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nolibgs_hello_worlds
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Remove empty lines, useless global initialization

This commit is contained in:
ABelliqueux 2021-07-26 18:00:40 +02:00
parent 52c2b3d015
commit 4eb99fee67
17 changed files with 25 additions and 994 deletions
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118
hello_2pads/hello_2pads.c
View File

@ -12,51 +12,33 @@
#include <libetc.h>
#include <libgpu.h>
#include <libapi.h>
#define VMODE 0 // Video Mode : 0 : NTSC, 1: PAL
#define SCREENXRES 320
#define SCREENYRES 240
#define CENTERX SCREENXRES/2
#define CENTERY SCREENYRES/2
#define MARGINX 32 // margins for text display
#define MARGINY 32
#define FONTSIZE 8 * 7 // Text Field Height
#define OTLEN 8 // Ordering Table Length
DISPENV disp[2]; // Double buffered DISPENV and DRAWENV
DRAWENV draw[2];
u_long ot[2][OTLEN]; // double ordering table of length 8 * 32 = 256 bits / 32 bytes
char primbuff[2][32768] = {1}; // double primitive buffer of length 32768 * 8 = 262.144 bits / 32,768 Kbytes
char primbuff[2][32768]; // double primitive buffer of length 32768 * 8 = 262.144 bits / 32,768 Kbytes
char *nextpri = primbuff[0]; // pointer to the next primitive in primbuff. Initially, points to the first bit of primbuff[0]
short db = 0; // index of which buffer is used, values 0, 1
// Pad stuff
// Structure for RAW hardware-based light gun position values
typedef struct
{
unsigned short v_count; // Y-axis (vertical scan counter)
unsigned short h_count; // H-axis (horizontal pixel clock value)
} Gun_Position;
// Structure for storing processed controller data
typedef struct
{
int xpos, ypos; // Stored position for sprite(s)
int xpos2, ypos2; // controlled by this controller.
unsigned char status; // These 8 values are obtained
unsigned char type; // directly from the controller
unsigned char button1; // buffer we installed with InitPAD.
@ -66,90 +48,63 @@ typedef struct
unsigned char analog2;
unsigned char analog3;
} Controller_Data;
// All-purpose controller data buffer
typedef struct
{
unsigned char pad[34]; // 8-bytes w/o Multi-Tap, 34-bytes w/Multi-Tap
} Controller_Buffer;
Controller_Buffer controllers[2]; // Buffers for reading controllers
Controller_Data theControllers[8]; // Processed controller data
void init(void)
{
ResetGraph(0);
SetDefDispEnv(&disp[0], 0, 0, SCREENXRES, SCREENYRES);
SetDefDispEnv(&disp[1], 0, SCREENYRES, SCREENXRES, SCREENYRES);
SetDefDrawEnv(&draw[0], 0, SCREENYRES, SCREENXRES, SCREENYRES);
SetDefDrawEnv(&draw[1], 0, 0, SCREENXRES, SCREENYRES);
if (VMODE)
{
SetVideoMode(MODE_PAL);
disp[0].screen.y += 8;
disp[1].screen.y += 8;
}
SetDispMask(1); // Display on screen
setRGB0(&draw[0], 50, 50, 50);
setRGB0(&draw[1], 50, 50, 50);
draw[0].isbg = 1;
draw[1].isbg = 1;
PutDispEnv(&disp[db]);
PutDrawEnv(&draw[db]);
FntLoad(960, 0);
FntOpen(MARGINX, SCREENYRES - MARGINY - FONTSIZE, SCREENXRES - MARGINX * 2, FONTSIZE, 0, 280 );
}
void display(void)
{
DrawSync(0);
VSync(0);
PutDispEnv(&disp[db]);
PutDrawEnv(&draw[db]);
DrawOTag(&ot[db][OTLEN - 1]);
db = !db;
nextpri = primbuff[db];
}
void get_digital_direction( Controller_Data *c, int buttondata ) // get analog stick values
{
int i;
i = ~(buttondata);
if( i & 0x80 )
c->xpos -= 1;
if( i & 0x20 )
c->xpos += 1;
if( i & 0x40 )
c->ypos += 1;
if( i & 0x10 )
c->ypos -= 1;
}
void read_controller( Controller_Data *c, unsigned char *buf, int port ) // get the raw values from controller
{
register int mouse_x, mouse_y, x;
register Gun_Position *g;
c->status = buf[0]; // Copy over raw controller data
c->type = buf[1];
c->button1 = buf[2];
@ -158,147 +113,97 @@ void read_controller( Controller_Data *c, unsigned char *buf, int port ) // get
c->analog1 = buf[5];
c->analog2 = buf[6];
c->analog3 = buf[7];
if( buf[0] == 0xff ) // If controller returns BAD status then bail on it.
{
c->type = 0;
return;
}
// Look at the controller type code & process controller data as indicated
switch( c->type )
{
case 0x12: // Sony Mouse
mouse_x = buf[4];
mouse_y = buf[5];
if( mouse_x & 0x80 )
mouse_x |= 0xffffff80;
if( mouse_y & 0x80 )
mouse_y |= 0xffffff80;
c->xpos += mouse_x;
c->ypos += mouse_y;
break;
case 0x23: // Namco negCon
// Steering wheel
// Sankyo Pachinko controler
get_digital_direction( c, buf[2] );
break;
case 0x53: // Analog 2-stick
get_digital_direction( c, buf[2] );
break;
case 0x41: // Standard Sony PAD controller
get_digital_direction( c, buf[2] );
break;
default: // If don't know what it is, treat it like standard controller
get_digital_direction( c, buf[2] );
break;
}
}
int main(void)
{
TILE * PADL; // Tile primitives
TILE * TRIGGERL;
TILE * PADR;
TILE * TRIGGERR;
TILE * START, * SELECT;
init();
InitPAD(controllers[0].pad, 34, controllers[1].pad, 34);
StartPAD();
while (1)
{
read_controller( &theControllers[0], &controllers[0].pad[0], 0 ); // Read controllers
read_controller( &theControllers[1], &controllers[1].pad[0], 1 );
ClearOTagR(ot[db], OTLEN);
// D-cross
PADL = (TILE *)nextpri;
setTile(PADL);
setRGB0(PADL, 80, 180, 255);
setXY0(PADL, CENTERX - 80, CENTERY);
setWH(PADL, 24, 24);
addPrim(ot[db], PADL);
nextpri += sizeof(TILE);
// L1+L2
TRIGGERL = (TILE *)nextpri;
setTile(TRIGGERL);
setRGB0(TRIGGERL, 255, 0, 0);
setXY0(TRIGGERL, CENTERX - 80, CENTERY - 80);
setWH(TRIGGERL, 24, 24);
addPrim(ot[db], TRIGGERL);
nextpri += sizeof(TILE);
// /\, X, O, []
PADR = (TILE *)nextpri;
setTile(PADR);
setRGB0(PADR, 0, 255, 0);
setXY0(PADR, CENTERX + 50, CENTERY);
setWH(PADR, 24, 24);
addPrim(ot[db], PADR);
nextpri += sizeof(TILE);
// R1+R2
TRIGGERR = (TILE *)nextpri;
setTile(TRIGGERR);
setRGB0(TRIGGERR, 255, 0, 255);
setXY0(TRIGGERR, CENTERX + 50, CENTERY -80);
setWH(TRIGGERR, 24, 24);
addPrim(ot[db], TRIGGERR);
nextpri += sizeof(TILE);
// START + SELECT
START = (TILE *)nextpri;
setTile(START);
setRGB0(START, 240, 240, 240);
setXY0(START, CENTERX - 16, CENTERY - 36);
setWH(START, 24, 24);
addPrim(ot[db], START);
nextpri += sizeof(TILE);
// D-pad
switch(theControllers[0].button1){
case 0xDF: // Right
PADL->x0 = CENTERX - 64;
break;
@ -311,34 +216,25 @@ int main(void)
case 0xBF: // Down
PADL->y0 = CENTERY + 16;
break;
// Start & Select
case 0xF7:
START->w = 32; START->h = 32;START->x0 -= 4;START->y0 -= 4; // START
break;
case 0xFE: // SELECT
START->r0 = 0;
break;
// Dualshock L3 + R3
case 0xFD: // L3
TRIGGERL->w += 10;
TRIGGERL->h += 10;
break;
case 0xFB: //R3
TRIGGERR->w += 10;
TRIGGERR->h += 10;
break;
}
// Buttons
switch(theControllers[0].button2){
case 0xDF: // ⭘
PADR->x0 = CENTERX + 66;
break;
@ -351,40 +247,30 @@ int main(void)
case 0xBF: // ╳
PADR->y0 = CENTERY + 16;
break;
// Shoulder buttons
case 0xFB: // L1
TRIGGERL->y0 = CENTERY - 64;
break;
case 0xFE: // L2
TRIGGERL->y0 = CENTERY - 96;
break;
case 0xF7: // R1
TRIGGERR->y0 = CENTERY - 96;
break;
case 0xFD: // R2
TRIGGERR->y0 = CENTERY - 64;
break;
// Mouse buttons
case 0xF4: // Mouse Left click
PADL->w += 10;
PADL->h += 10;
break;
case 0xF8: // Mouse Right click
PADL->w -= 10;
PADL->h -= 10;
break;
}
FntPrint("Hello 2 pads!\n\n");
FntPrint( "Pad 1 : %02x\nButtons:%02x %02x, Stick:%02x %02x %02x %02x\n",
theControllers[0].type, // Controller type : 00 == none, 41 == standard, 73 == analog/dualshock, 12 == mouse, 23 == steering wheel, 63 == gun, 53 == analog joystick
theControllers[0].button1, //
@ -393,7 +279,6 @@ int main(void)
theControllers[0].analog1,
theControllers[0].analog2,
theControllers[0].analog3 );
FntPrint( "Pad 2 : %02x\nButtons:%02x %02x, Stick:%02x %02x %02x %02x\n",
theControllers[1].type, // Controller type : 00 == none, 41 == standard, 73 == analog/dualshock, 12 == mouse, 23 == steering wheel, 63 == gun, 53 == analog joystick
theControllers[1].button1, //
@ -403,7 +288,6 @@ int main(void)
theControllers[1].analog2, // L3 horizontal
theControllers[1].analog3 ); // L3 vertical
FntFlush(-1);
display();
}
return 0;

2
hello_cube/hello_cube.c
View File

@ -28,7 +28,7 @@
DISPENV disp[2];
DRAWENV draw[2];
u_long ot[2][OTLEN]; // Ordering table (contains addresses to primitives)
char primbuff[2][PRIMBUFFLEN] = {0}; // Primitive list // That's our prim buffer
char primbuff[2][PRIMBUFFLEN]; // Primitive list // That's our prim buffer
char * nextpri = primbuff[0]; // Primitive counter
short db = 0; // Current buffer counter
// Prototypes

3
hello_light/hello_light.c
View File

@ -29,7 +29,7 @@
DISPENV disp[2];
DRAWENV draw[2];
u_long ot[2][OTLEN]; // Ordering table (contains addresses to primitives)
char primbuff[2][PRIMBUFFLEN] = {0}; // Primitive list // That's our prim buffer
char primbuff[2][PRIMBUFFLEN]; // Primitive list // That's our prim buffer
char * nextpri = primbuff[0]; // Primitive counter
short db = 0; // Current buffer counter
long t, p, OTz, Flag; // t == vertex count, p == depth cueing interpolation value, OTz == value to create Z-ordered OT, Flag == see LibOver47.pdf, p.143
@ -65,7 +65,6 @@ MATRIX cmat = {
// Prototypes
void init(void);
void display(void);
//~ void LoadTexture(u_long * tim, TIM_IMAGE * tparam);
void init(){
// Reset the GPU before doing anything and the controller
PadInit(0);

96
hello_multivag/hello_multivag.c
View File

@ -20,44 +20,29 @@
// libover47.pdf, p.271
// libref47.pdf, p.980
// URLS : http://psx.arthus.net/code/VAG/
#include <sys/types.h>
#include <stdio.h>
#include <libgte.h>
#include <libetc.h>
#include <libgpu.h>
// Sound system
#include <libsnd.h>
#include <libspu.h>
#define VMODE 0 // Video Mode : 0 : NTSC, 1: PAL
#define SCREENXRES 320
#define SCREENYRES 240
#define CENTERX SCREENXRES/2
#define CENTERY SCREENYRES/2
#define MARGINX 0 // margins for text display
#define MARGINY 32
#define FONTSIZE 8 * 7 // Text Field Height
DISPENV disp[2]; // Double buffered DISPENV and DRAWENV
DRAWENV draw[2];
short db = 0; // index of which buffer is used, values 0, 1
// Sound stuff
#define MALLOC_MAX 3 // Max number of time we can call SpuMalloc
//~ // convert Little endian to Big endian
#define SWAP_ENDIAN32(x) (((x)>>24) | (((x)>>8) & 0xFF00) | (((x)<<8) & 0x00FF0000) | ((x)<<24))
typedef struct VAGheader{ // All the values in this header must be big endian
char id[4]; // VAGp 4 bytes -> 1 char * 4
unsigned int version; // 4 bytes
@ -68,123 +53,82 @@ typedef struct VAGheader{ // All the values in this header must be big end
char name[16]; // 16 bytes -> 1 char * 16
// Waveform data after that
}VAGhdr;
SpuCommonAttr commonAttributes; // structure for changing common voice attributes
SpuVoiceAttr voiceAttributes ; // structure for changing individual voice attributes
u_long hello_spu_address; // address allocated in memory for first sound file
u_long poly_spu_address; // address allocated in memory for second sound file
// DEBUG : these allow printing values for debugging
u_long hello_spu_start_address;
u_long hello_get_start_addr;
u_long hello_transSize;
u_long poly_spu_start_address;
u_long poly_get_start_addr;
u_long poly_transSize;
#define HELLO SPU_0CH // Play first vag on channel 0
#define POLY SPU_2CH // Play second vag on channel 2
// Memory management table ; allow MALLOC_MAX calls to SpuMalloc() - ibref47.pdf p.1044
char spu_malloc_rec[SPU_MALLOC_RECSIZ * (2 + MALLOC_MAX+1)];
// VAG files
// We're using GrumpyCoder's Nugget wrapper to compile the code with a modern GCC : https://github.com/grumpycoders/pcsx-redux/tree/main/src/mips/psyq
// To include binary files in the exe, add your VAG files to the SRCS variable in Makefile
// and in common.mk, add this rule to include *.vag files :
//
//~ %.o: %.vag
//~ $(PREFIX)-objcopy -I binary --set-section-alignment .data=4 --rename-section .data=.rodata,alloc,load,readonly,data,contents -O elf32-tradlittlemips -B mips $< $@
// hello.vag - 44100 Khz
extern unsigned char _binary____VAG_hello_vag_start[]; // filename must begin with _binary____ followed by the full path, with . and / replaced, and then suffixed with _ and end with _start[]; or end[];
extern unsigned char _binary____VAG_hello_vag_end[]; // https://discord.com/channels/642647820683444236/663664210525290507/780866265077383189
// poly.vag - 44100 Khz
extern unsigned char _binary____VAG_poly_vag_start[];
extern unsigned char _binary____VAG_poly_vag_end[];
void initGraph(void)
{
ResetGraph(0);
SetDefDispEnv(&disp[0], 0, 0, SCREENXRES, SCREENYRES);
SetDefDispEnv(&disp[1], 0, SCREENYRES, SCREENXRES, SCREENYRES);
SetDefDrawEnv(&draw[0], 0, SCREENYRES, SCREENXRES, SCREENYRES);
SetDefDrawEnv(&draw[1], 0, 0, SCREENXRES, SCREENYRES);
if (VMODE)
{
SetVideoMode(MODE_PAL);
disp[0].screen.y += 8;
disp[1].screen.y += 8;
}
SetDispMask(1); // Display on screen
setRGB0(&draw[0], 50, 50, 50);
setRGB0(&draw[1], 50, 50, 50);
draw[0].isbg = 1;
draw[1].isbg = 1;
PutDispEnv(&disp[db]);
PutDrawEnv(&draw[db]);
FntLoad(960, 0);
FntOpen(8, 60, 304, 200, 0, 500 );
}
void display(void)
{
DrawSync(0);
VSync(0);
PutDispEnv(&disp[db]);
PutDrawEnv(&draw[db]);
db = !db;
}
// Audio initialisation & functions
void initSnd(void){
SpuInitMalloc(MALLOC_MAX, spu_malloc_rec); // Maximum number of blocks, mem. management table address.
commonAttributes.mask = (SPU_COMMON_MVOLL | SPU_COMMON_MVOLR); // Mask which attributes to set
commonAttributes.mvol.left = 0x3fff; // Master volume left
commonAttributes.mvol.right = 0x3fff; // see libref47.pdf, p.1058
SpuSetCommonAttr(&commonAttributes); // set attributes
SpuSetIRQ(SPU_OFF);
}
u_long sendVAGtoRAM(unsigned int VAG_data_size, unsigned char *VAG_data){
u_long size;
SpuSetTransferMode(SpuTransByDMA); // DMA transfer; can do other processing during transfer
size = SpuWrite (VAG_data + sizeof(VAGhdr), VAG_data_size); // transfer VAG_data_size bytes from VAG_data address to sound buffer
SpuIsTransferCompleted (SPU_TRANSFER_WAIT); // Checks whether transfer is completed and waits for completion
return size;
}
void setVoiceAttr(unsigned int pitch, long channel, unsigned long soundAddr ){
voiceAttributes.mask= //~ Attributes (bit string, 1 bit per attribute)
(
SPU_VOICE_VOLL |
@ -200,84 +144,53 @@ void setVoiceAttr(unsigned int pitch, long channel, unsigned long soundAddr ){
SPU_VOICE_ADSR_RR |
SPU_VOICE_ADSR_SL
);
voiceAttributes.voice = channel; //~ Voice (low 24 bits are a bit string, 1 bit per voice )
voiceAttributes.volume.left = 0x1000; //~ Volume
voiceAttributes.volume.right = 0x1000; //~ Volume
voiceAttributes.pitch = pitch; //~ Interval (set pitch)
voiceAttributes.addr = soundAddr; //~ Waveform data start address
voiceAttributes.a_mode = SPU_VOICE_LINEARIncN; //~ Attack rate mode = Linear Increase - see libref47.pdf p.1091
voiceAttributes.s_mode = SPU_VOICE_LINEARIncN; //~ Sustain rate mode = Linear Increase
voiceAttributes.r_mode = SPU_VOICE_LINEARDecN; //~ Release rate mode = Linear Decrease
voiceAttributes.ar = 0x0; //~ Attack rate
voiceAttributes.dr = 0x0; //~ Decay rate
voiceAttributes.rr = 0x0; //~ Release rate
voiceAttributes.sr = 0x0; //~ Sustain rate
voiceAttributes.sl = 0xf; //~ Sustain level
SpuSetVoiceAttr(&voiceAttributes); // set attributes
}
void playSFX(unsigned long fx){
SpuSetKey(SpuOn, fx);
}
int main(void)
{
short counter = 0;
const VAGhdr * HellofileHeader = (VAGhdr *) _binary____VAG_hello_vag_start; // get header of first VAG file
const VAGhdr * PolyfileHeader = (VAGhdr *) _binary____VAG_poly_vag_start; // get header of second VAG file
// From libover47.pdf :
// The sampling frequency of the original audio file can be used to determine the pitch
// at which to play the VAG. pitch = (sampling frequency << 12)/44100L
// Ex: 44.1kHz=0x1000 22.05kHz=0x800 etc
unsigned int Hellopitch = (SWAP_ENDIAN32(HellofileHeader->samplingFrequency) << 12) / 44100L;
unsigned int Polypitch = (SWAP_ENDIAN32(PolyfileHeader->samplingFrequency) << 12) / 44100L;
SpuInit(); // Initialize SPU. Called only once.
initSnd();
// First VAG
hello_spu_address = SpuMalloc(SWAP_ENDIAN32(HellofileHeader->dataSize)); // Allocate an area of dataSize bytes in the sound buffer.
hello_spu_start_address = SpuSetTransferStartAddr(hello_spu_address); // Sets a starting address in the sound buffer
hello_get_start_addr = SpuGetTransferStartAddr(); // SpuGetTransferStartAddr() returns current sound buffer transfer start address.
hello_transSize = sendVAGtoRAM(SWAP_ENDIAN32(HellofileHeader->dataSize), _binary____VAG_hello_vag_start);
// First VAG
poly_spu_address = SpuMalloc(SWAP_ENDIAN32(PolyfileHeader->dataSize)); // Allocate an area of dataSize bytes in the sound buffer.
poly_spu_start_address = SpuSetTransferStartAddr(poly_spu_address); // Sets a starting address in the sound buffer
poly_get_start_addr = SpuGetTransferStartAddr(); // SpuGetTransferStartAddr() returns current sound buffer transfer start address.
poly_transSize = sendVAGtoRAM(SWAP_ENDIAN32(PolyfileHeader->dataSize), _binary____VAG_poly_vag_start);
// set VAG to channel
setVoiceAttr(Hellopitch, HELLO, hello_spu_address); // SPU_0CH == hello
setVoiceAttr(Polypitch, POLY, poly_spu_address); // SPU_2CH == poly
initGraph();
while (1)
{
if(!counter){
playSFX(HELLO); // Play first VAG
counter = 240;
@ -288,8 +201,6 @@ int main(void)
if(counter == 80){
playSFX(HELLO|POLY); // Play both VAGs simultaneously
}
FntPrint("First VAG:");
FntPrint("\nPitch : %08x-%dKhz", Hellopitch, (SWAP_ENDIAN32(HellofileHeader->samplingFrequency)) );
FntPrint("\nSet Start addr : %08x", hello_spu_address);
@ -297,7 +208,6 @@ int main(void)
FntPrint("\nGet Start addr : %08x", hello_get_start_addr);
FntPrint("\nSend size : %08x", SWAP_ENDIAN32(HellofileHeader->dataSize));
FntPrint("\nReturn size : %08x\n", hello_transSize);
FntPrint("\nSecond VAG:");
FntPrint("\nPitch : %08x-%dKhz", Polypitch, (SWAP_ENDIAN32(HellofileHeader->samplingFrequency)) );
FntPrint("\nSet Start addr : %08x", poly_spu_address);
@ -305,16 +215,10 @@ int main(void)
FntPrint("\nGet Start addr : %08x", poly_get_start_addr);
FntPrint("\nSend size : %08x", SWAP_ENDIAN32(PolyfileHeader->dataSize));
FntPrint("\nReturn size : %08x\n", poly_transSize);
FntPrint("\nCounter : %d\n", counter);
FntFlush(-1);
counter --;
display();
}
return 0;
}

76
hello_pad/hello_pad.c
View File

@ -8,43 +8,28 @@
#include <libgte.h>
#include <libetc.h>
#include <libgpu.h>
#define VMODE 0 // Video Mode : 0 : NTSC, 1: PAL
#define SCREENXRES 320
#define SCREENYRES 240
#define CENTERX SCREENXRES/2
#define CENTERY SCREENYRES/2
#define MARGINX 32 // margins for text display
#define MARGINY 32
#define FONTSIZE 8 * 2 // Text Field Height
#define OTLEN 8 // Ordering Table Length
DISPENV disp[2]; // Double buffered DISPENV and DRAWENV
DRAWENV draw[2];
u_long ot[2][OTLEN]; // double ordering table of length 8 * 32 = 256 bits / 32 bytes
char primbuff[2][32768] = {1}; // double primitive buffer of length 32768 * 8 = 262.144 bits / 32,768 Kbytes
char primbuff[2][32768]; // double primitive buffer of length 32768 * 8 = 262.144 bits / 32,768 Kbytes
char *nextpri = primbuff[0]; // pointer to the next primitive in primbuff. Initially, points to the first bit of primbuff[0]
short db = 0; // index of which buffer is used, values 0, 1
void init(void)
{
ResetGraph(0);
SetDefDispEnv(&disp[0], 0, 0, SCREENXRES, SCREENYRES);
SetDefDispEnv(&disp[1], 0, SCREENYRES, SCREENXRES, SCREENYRES);
SetDefDrawEnv(&draw[0], 0, SCREENYRES, SCREENXRES, SCREENYRES);
SetDefDrawEnv(&draw[1], 0, 0, SCREENXRES, SCREENYRES);
if (VMODE)
{
SetVideoMode(MODE_PAL);
@ -52,160 +37,101 @@ void init(void)
disp[1].screen.y += 8;
}
SetDispMask(1); // Display on screen
setRGB0(&draw[0], 50, 50, 50);
setRGB0(&draw[1], 50, 50, 50);
draw[0].isbg = 1;
draw[1].isbg = 1;
PutDispEnv(&disp[db]);
PutDrawEnv(&draw[db]);
FntLoad(960, 0);
FntOpen(MARGINX, SCREENYRES - MARGINY - FONTSIZE, SCREENXRES - MARGINX * 2, FONTSIZE, 0, 280 );
}
void display(void)
{
DrawSync(0);
VSync(0);
PutDispEnv(&disp[db]);
PutDrawEnv(&draw[db]);
DrawOTag(&ot[db][OTLEN - 1]);
db = !db;
nextpri = primbuff[db];
}
int main(void)
{
TILE * PADL; // Tile primitives
TILE * TRIGGERL;
TILE * PADR;
TILE * TRIGGERR;
TILE * START, * SELECT;
int pad = 0;
init();
PadInit(0); // Initialize pad. Mode is always 0
while (1)
{
ClearOTagR(ot[db], OTLEN);
// D-cross
PADL = (TILE *)nextpri;
setTile(PADL);
setRGB0(PADL, 0, 0, 255);
setXY0(PADL, CENTERX - 80, CENTERY);
setWH(PADL, 24, 24);
addPrim(ot[db], PADL);
nextpri += sizeof(TILE);
// L1+L2
TRIGGERL = (TILE *)nextpri;
setTile(TRIGGERL);
setRGB0(TRIGGERL, 255, 0, 0);
setXY0(TRIGGERL, CENTERX - 80, CENTERY - 80);
setWH(TRIGGERL, 24, 24);
addPrim(ot[db], TRIGGERL);
nextpri += sizeof(TILE);
// /\, X, O, []
PADR = (TILE *)nextpri;
setTile(PADR);
setRGB0(PADR, 0, 255, 0);
setXY0(PADR, CENTERX + 50, CENTERY);
setWH(PADR, 24, 24);
addPrim(ot[db], PADR);
nextpri += sizeof(TILE);
// R1+R2
TRIGGERR = (TILE *)nextpri;
setTile(TRIGGERR);
setRGB0(TRIGGERR, 255, 0, 255);
setXY0(TRIGGERR, CENTERX + 50, CENTERY -80);
setWH(TRIGGERR, 24, 24);
addPrim(ot[db], TRIGGERR);
nextpri += sizeof(TILE);
// START + SELECT
START = (TILE *)nextpri;
setTile(START);
setRGB0(START, 240, 240, 240);
setXY0(START, CENTERX - 16, CENTERY - 36);
setWH(START, 24, 24);
addPrim(ot[db], START);
nextpri += sizeof(TILE);
// Pad stuff
pad = PadRead(0); // Read pads input. id is unused, always 0.
// PadRead() returns a 32 bit value, where input from pad 1 is stored in the low 2 bytes and input from pad 2 is stored in the high 2 bytes. (https://matiaslavik.wordpress.com/2015/02/13/diving-into-psx-development/)
// D-pad
if(pad & PADLup) {PADL->y0 = CENTERY - 16;} // 🡩 // To access pad 2, use ( pad >> 16 & PADLup)...
if(pad & PADLdown) {PADL->y0 = CENTERY + 16;} // 🡫
if(pad & PADLright){PADL->x0 = CENTERX - 64;} // 🡪
if(pad & PADLleft) {PADL->x0 = CENTERX - 96;} // 🡨
// Buttons
if(pad & PADRup) {PADR->y0 = CENTERY - 16;} // △
if(pad & PADRdown) {PADR->y0 = CENTERY + 16;} // ╳
if(pad & PADRright){PADR->x0 = CENTERX + 66;} // ⭘
if(pad & PADRleft) {PADR->x0 = CENTERX + 34;} // ⬜
// Shoulder buttons
if(pad & PADL1){TRIGGERL->y0 = CENTERY - 64;} // L1
if(pad & PADL2){TRIGGERL->y0 = CENTERY - 96;} // L2
if(pad & PADR1){TRIGGERR->y0 = CENTERY - 64;} // R1
if(pad & PADR2){TRIGGERR->y0 = CENTERY - 96;} // R2
// Start & Select
if(pad & PADstart){START->w = 32; START->h = 32;START->x0 -= 4;START->y0 -= 4;} // START
if(pad & PADselect){START->r0 = 0;} // SELECT
FntPrint("Hello Pad!");
FntFlush(-1);
display();
}
return 0;

83
hello_poly/hello_poly.c
View File

@ -4,182 +4,109 @@
//
// From ../psyq/addons/graphics/MESH/RMESH/TUTO0.C :
// Schnappy 2021
#include <sys/types.h>
#include <stdio.h>
#include <libgte.h>
#include <libetc.h>
#include <libgpu.h>
#include <libapi.h>
#define VMODE 0 // Video Mode : 0 : NTSC, 1: PAL
#define SCREENXRES 320 // Screen width
#define SCREENYRES 240 // Screen height
#define CENTERX SCREENXRES/2 // Center of screen on x
#define CENTERY SCREENYRES/2 // Center of screen on y
#define MARGINX 0 // margins for text display
#define MARGINY 32
#define FONTSIZE 8 * 7 // Text Field Height
#define OTLEN 8 // Ordering Table Length
DISPENV disp[2]; // Double buffered DISPENV and DRAWENV
DRAWENV draw[2];
u_long ot[2][OTLEN]; // double ordering table of length 8 * 32 = 256 bits / 32 bytes
char primbuff[2][32768]; // double primitive buffer of length 32768 * 8 = 262.144 bits / 32,768 Kbytes
char *nextpri = primbuff[0]; // pointer to the next primitive in primbuff. Initially, points to the first bit of primbuff[0]
short db = 0; // index of which buffer is used, values 0, 1
MATRIX identity(int num) // generate num x num matrix
{
int row, col;
MATRIX matrix;
for (row = 0; row < num; row++)
{
for (col = 0; col < num; col++)
{
if (row == col)
matrix.m[row][col] = 4096;
else
matrix.m[row][col] = 0;
}
}
return matrix;
}
void init(void)
{
ResetGraph(0);
// Initialize and setup the GTE
InitGeom();
SetGeomOffset(CENTERX,CENTERY);
SetGeomScreen(CENTERX);
SetDefDispEnv(&disp[0], 0, 0, SCREENXRES, SCREENYRES);
SetDefDispEnv(&disp[1], 0, SCREENYRES, SCREENXRES, SCREENYRES);
SetDefDrawEnv(&draw[0], 0, SCREENYRES, SCREENXRES, SCREENYRES);
SetDefDrawEnv(&draw[1], 0, 0, SCREENXRES, SCREENYRES);
if (VMODE)
{
if (VMODE) {
SetVideoMode(MODE_PAL);
disp[0].screen.y += 8;
disp[1].screen.y += 8;
disp[0].disp.y = disp[1].disp.y = 8;
}
SetDispMask(1); // Display on screen
SetDispMask(1);
setRGB0(&draw[0], 50, 50, 50);
setRGB0(&draw[1], 50, 50, 50);
draw[0].isbg = 1;
draw[1].isbg = 1;
PutDispEnv(&disp[db]);
PutDrawEnv(&draw[db]);
FntLoad(960, 0);
FntOpen(MARGINX, SCREENYRES - MARGINY - FONTSIZE, SCREENXRES - MARGINX * 2, FONTSIZE, 0, 280 );
}
void display(void)
{
DrawSync(0);
VSync(0);
PutDispEnv(&disp[db]);
PutDrawEnv(&draw[db]);
DrawOTag(&ot[db][OTLEN - 1]);
db = !db;
nextpri = primbuff[db];
}
int main(void)
{
MATRIX IDMATRIX = identity(3); // Generate 3x3 identity matrix
POLY_F4 *poly = {0}; // pointer to a POLY_F4
SVECTOR RotVector = {0, 0, 0}; // Initialize rotation vector {x, y, z}
VECTOR MovVector = {0, 0, CENTERX, 0}; // Initialize translation vector {x, y, z}
VECTOR ScaleVector ={ONE, ONE, ONE}; // ONE is define as 4096 in libgte.h
SVECTOR VertPos[4] = { // Set initial vertices position relative to 0,0 - see here : https://psx.arthus.net/docs/poly_f4.jpg
{-32, -32, 1 }, // Vert 1
{-32, 32, 1 }, // Vert 2
{ 32, -32, 1 }, // Vert 3
{ 32, 32, 1 } // Vert 4
};
MATRIX PolyMatrix = IDMATRIX;
MATRIX PolyMatrix = {0};
long polydepth;
long polyflag;
long OTz;
init();
while (1)
{
ClearOTagR(ot[db], OTLEN);
poly = (POLY_F4 *)nextpri; // Set poly to point to the address of the next primitiv in the buffer
// Set transform matrices for this polygon
RotMatrix(&RotVector, &PolyMatrix); // Apply rotation matrix
TransMatrix(&PolyMatrix, &MovVector);
ScaleMatrix(&PolyMatrix, &ScaleVector); // Apply translation matrix
SetRotMatrix(&PolyMatrix); // Set default rotation matrix
SetTransMatrix(&PolyMatrix); // Set default transformation matrix
setPolyF4(poly); // Initialize poly as a POLY_F4
setRGB0(poly, 255, 0, 255); // Set poly color
// RotTransPers
// RotTransPers using 4 calls
//~ OTz = RotTransPers(&VertPos[0], (long*)&poly->x0, &polydepth, &polyflag);
//~ RotTransPers(&VertPos[1], (long*)&poly->x1, &polydepth, &polyflag);
//~ RotTransPers(&VertPos[2], (long*)&poly->x2, &polydepth, &polyflag);
//~ RotTransPers(&VertPos[3], (long*)&poly->x3, &polydepth, &polyflag);
// RotTransPers4 equivalent
OTz = RotTransPers4(
&VertPos[0], &VertPos[1], &VertPos[2], &VertPos[3],
(long*)&poly->x0, (long*)&poly->x1, (long*)&poly->x2, (long*)&poly->x3,
&polydepth,
&polyflag
); // Perform coordinate and perspective transformation for 4 vertices
RotVector.vy += 4;
RotVector.vz += 4; // Apply rotation on Z-axis. On PSX, the Z-axis is pointing away from the screen.
addPrim(ot[db], poly); // add poly to the Ordering table
nextpri += sizeof(POLY_F4); // increment nextpri address with size of a POLY_F4 struct
FntPrint("Hello Poly !");
FntFlush(-1);
display();
}
return 0;

26
hello_poly_ft/hello_poly_ft.c
View File

@ -43,26 +43,6 @@ extern unsigned long _binary____TIM_bousai_tim_end[];
extern unsigned long _binary____TIM_bousai_tim_length;
TIM_IMAGE bousai;
MATRIX identity(int num) // generate num x num matrix
{
int row, col;
MATRIX matrix;
for (row = 0; row < num; row++)
{
for (col = 0; col < num; col++)
{
if (row == col)
matrix.m[row][col] = 4096;
else
matrix.m[row][col] = 0;
}
}
return matrix;
}
void LoadTexture(u_long * tim, TIM_IMAGE * tparam){ // This part is from Lameguy64's tutorial series : lameguy64.net/svn/pstutorials/chapter1/3-textures.html login/pw: annoyingmous
OpenTIM(tim); // Open the tim binary data, feed it the address of the data in memory
ReadTIM(tparam); // This read the header of the TIM data and sets the corresponding members of the TIM_IMAGE structure
@ -132,9 +112,7 @@ void display(void)
int main(void)
{
MATRIX IDMATRIX = identity(3); // Generate 3x3 identity matrix
POLY_FT4 *poly = {0}; // pointer to a POLY_G4
SVECTOR RotVector = {0, 0, 0}; // Initialize rotation vector {x, y, z}
VECTOR MovVector = {0, 0, CENTERX/2, 0}; // Initialize translation vector {x, y, z, pad}
@ -146,7 +124,7 @@ int main(void)
{ 32, -32, 1 }, // Vert 3
{ 32, 32, 1 } // Vert 4
};
MATRIX PolyMatrix = IDMATRIX;
MATRIX PolyMatrix = {0};
long polydepth;
long polyflag;

194
hello_poly_fun/hello_poly_fun.c
View File

@ -2,51 +2,35 @@
// Credits : Schnappy
//With great help from Jaby smoll Seamonstah, Nicolas Noble, NDR008, paul, sickle on https://discord.com/invite/Zd82yXvs
// 11/2020
#include <sys/types.h>
#include <stdio.h>
#include <libgte.h>
#include <libetc.h>
#include <libgpu.h>
#include <kernel.h>
#define VMODE 0 // Video Mode : 0 : NTSC, 1: PAL
#define SPIN 16 // Rotation speed increment
#define SCREENXRES 320
#define SCREENYRES 240
#define CENTERX SCREENXRES/2
#define CENTERY SCREENYRES/2
#define MARGINX 10 // margins for text display
#define MARGINY 4
#define FONTSIZE 8 * 7 // Text Field Height
#define OTLEN 16 // Ordering Table Length
DISPENV disp[2]; // Double buffered DISPENV and DRAWENV
DRAWENV draw[2];
u_long ot[2][OTLEN]; // double ordering table of length 8 * 32 = 256 bits / 32 bytes
char primbuff[2][32768]; // double primitive buffer of length 32768 * 8 = 262.144 bits / 32,768 Kbytes
char *nextpri = primbuff[0]; // pointer to the next primitive in primbuff. Initially, points to the first bit of primbuff[0]
short db = 0; // index of which buffer is used, values 0, 1
CVECTOR BgColor[3] = {20, 20, 20};
struct polygon
{
POLY_F4 * poly_f4;
CVECTOR color;
short width;
short height;
//~ VECTOR PosV_L; // Not used anymore
SVECTOR RotV_L;
VECTOR TransV_L;
VECTOR ScaleV_L;
@ -58,118 +42,66 @@ struct polygon
short rotSpeed;
int otz;
};
void init(void)
{
ResetGraph(0);
// Initialize and setup the GTE : Not needed ?
InitGeom();
SetGeomOffset(CENTERX,CENTERY);
SetGeomScreen(CENTERX);
PadInit(0);
SetDefDispEnv(&disp[0], 0, 0, SCREENXRES, SCREENYRES);
SetDefDispEnv(&disp[1], 0, SCREENYRES, SCREENXRES, SCREENYRES);
SetDefDrawEnv(&draw[0], 0, SCREENYRES, SCREENXRES, SCREENYRES);
SetDefDrawEnv(&draw[1], 0, 0, SCREENXRES, SCREENYRES);
if (VMODE)
{
SetVideoMode(MODE_PAL);
disp[0].screen.y += 8;
disp[1].screen.y += 8;
}
}
SetDispMask(1); // Display on screen
setRGB0(&draw[0], BgColor->r, BgColor->g, BgColor->b);
setRGB0(&draw[1], BgColor->r, BgColor->g, BgColor->b);
draw[0].isbg = 1;
draw[1].isbg = 1;
PutDispEnv(&disp[db]);
PutDrawEnv(&draw[db]);
FntLoad(960, 0);
FntOpen(MARGINX, SCREENYRES - MARGINY - FONTSIZE, SCREENXRES - MARGINX * 2, FONTSIZE, 0, 280 );
}
void display(void)
{
DrawSync(0);
VSync(0);
PutDispEnv(&disp[db]);
PutDrawEnv(&draw[db]);
DrawOTag(&ot[db][OTLEN - 1]);
db = !db;
nextpri = primbuff[db];
}
void pivotPoint(SVECTOR VertPos[3],short width,short height, SVECTOR pivot){
// Not very efficient I think
VertPos[0].vx = -pivot.vx;
VertPos[0].vy = -pivot.vy;
VertPos[0].vz = 1;
VertPos[1].vx = width - pivot.vx;
VertPos[1].vy = -pivot.vy;
VertPos[1].vz = 1;
VertPos[2].vx = -pivot.vx;
VertPos[2].vy = height-pivot.vy;
VertPos[2].vz = 1;
VertPos[3].vx = width - pivot.vx;
VertPos[3].vy = height - pivot.vy;
VertPos[3].vz = 1;
}
MATRIX identity(int num)
{
int row, col;
MATRIX matrix;
for (row = 0; row < num; row++)
{
for (col = 0; col < num; col++)
{
if (row == col)
matrix.m[row][col] = 4096;
else
matrix.m[row][col] = 0;
}
}
return matrix;
}
int main(void)
{
MATRIX IDMATRIX = identity(3);
u_short BtnTimer = 0; // Timer to limit pad input rate
u_short polyCount = 1; // current polygon index
int otz; // z-index
struct polygon *CurrentPoly; // points to the address of selected polygon
// White cursor : shows which polygon is selected
struct polygon cursorS = {
cursorS.poly_f4,
{255, 255, 255}, // color
@ -184,11 +116,9 @@ int main(void)
{-1, 1, 1},
{ 1, 1, 1}
},
IDMATRIX // Matrix
{0} // Matrix
};
//Red
struct polygon polyS = {
polyS.poly_f4,
{255, 0, 0}, // color
@ -203,15 +133,12 @@ int main(void)
{0, 0, 0},
{0, 0, 0}
},
IDMATRIX, // Matrix
{0}, // Matrix
0,0, // depth, flag
8, // rotSpeed
1 // z-index
};
//Yellow
struct polygon poly1S = {
poly1S.poly_f4,
{255, 187, 0}, // color
@ -226,15 +153,12 @@ int main(void)
{0, 0, 0},
{0, 0, 0}
},
IDMATRIX, // Matrix
{0}, // Matrix
0,0, // depth, flag
-12, // rotSpeed
2 // z-index
};
//Green
struct polygon poly2S = {
poly2S.poly_f4,
{0, 255, 153}, // color
@ -249,15 +173,12 @@ int main(void)
{0, 0, 0},
{0, 0, 0}
},
IDMATRIX, // Matrix
{0}, // Matrix
0,0, // depth, flag
-6, // rotSpeed
3 // z-index
};
//Blue
struct polygon poly3S = {
poly3S.poly_f4,
{112, 254, 254}, // color
@ -272,64 +193,45 @@ int main(void)
{0, 0, 0},
{0, 0, 0}
},
IDMATRIX, // Matrix
{0}, // Matrix
0,0, //depth, flag
256, //rotSpeed
4 // z-index
};
/////
CurrentPoly = &polyS;
pivotPoint(polyS.Verts, polyS.width, polyS.height, polyS.PivotV_L);
pivotPoint(poly1S.Verts, poly1S.width, poly1S.height, poly1S.PivotV_L);
pivotPoint(poly2S.Verts, poly2S.width, poly2S.height, poly2S.PivotV_L);
pivotPoint(poly3S.Verts, poly3S.width, poly3S.height, poly3S.PivotV_L);
init();
while (1)
{
ClearOTagR(ot[db], OTLEN);
cursorS.poly_f4 = (POLY_F4 *)nextpri;
RotMatrix(&cursorS.RotV_L , &cursorS.Matrix);
TransMatrix(&cursorS.Matrix, &CurrentPoly->TransV_L);
SetRotMatrix(&cursorS.Matrix);
SetTransMatrix(&cursorS.Matrix);
setPolyF4(cursorS.poly_f4);
setRGB0(cursorS.poly_f4,cursorS.color.r,cursorS.color.g,cursorS.color.b);
//~ setXY4(cursorS, MovVector.vx-1, MovVector.vy-1 ,MovVector.vx + 1, MovVector.vy -1,MovVector.vx-1, MovVector.vy+1,MovVector.vx+1, MovVector.vy+1);
RotTransPers4(
&cursorS.Verts[0], &cursorS.Verts[1], &cursorS.Verts[2], &cursorS.Verts[3],
(long*)&cursorS.poly_f4->x0, (long*)&cursorS.poly_f4->x1, (long*)&cursorS.poly_f4->x2, (long*)&cursorS.poly_f4->x3,
&cursorS.depth,
&cursorS.flag
);
addPrim(ot[db], cursorS.poly_f4);
nextpri += sizeof(POLY_F4);
///// Red
polyS.poly_f4 = (POLY_F4 *)nextpri;
polyS.RotV_L.vz += polyS.rotSpeed;
RotMatrix(&polyS.RotV_L, &polyS.Matrix);
TransMatrix(&polyS.Matrix, &polyS.TransV_L);
ScaleMatrix(&polyS.Matrix, &polyS.ScaleV_L);
SetRotMatrix(&polyS.Matrix);
SetTransMatrix(&polyS.Matrix);
setPolyF4(polyS.poly_f4);
setRGB0(polyS.poly_f4, polyS.color.r,polyS.color.g,polyS.color.b);
RotTransPers4(
@ -338,25 +240,16 @@ int main(void)
&polyS.depth,
&polyS.flag
);
addPrim(ot[db]+polyS.otz, polyS.poly_f4);
nextpri += sizeof(POLY_F4);
///// Yellow
poly1S.poly_f4 = (POLY_F4 *)nextpri;
poly1S.RotV_L.vz += poly1S.rotSpeed;
RotMatrix(&poly1S.RotV_L, &poly1S.Matrix);
TransMatrix(&poly1S.Matrix, &poly1S.TransV_L);
ScaleMatrix(&poly1S.Matrix, &poly1S.ScaleV_L);
SetRotMatrix(&poly1S.Matrix);
SetTransMatrix(&poly1S.Matrix);
setPolyF4(poly1S.poly_f4);
setRGB0(poly1S.poly_f4, poly1S.color.r,poly1S.color.g,poly1S.color.b);
RotTransPers4(
@ -365,26 +258,16 @@ int main(void)
&poly1S.depth,
&poly1S.flag
);
addPrim(ot[db]+poly1S.otz, poly1S.poly_f4);
nextpri += sizeof(POLY_F4);
///// Green
poly2S.poly_f4 = (POLY_F4 *)nextpri;
poly2S.RotV_L.vz += poly2S.rotSpeed;
RotMatrix(&poly2S.RotV_L, &poly2S.Matrix);
TransMatrix(&poly2S.Matrix, &poly2S.TransV_L);
ScaleMatrix(&poly2S.Matrix, &poly2S.ScaleV_L);
SetRotMatrix(&poly2S.Matrix);
SetTransMatrix(&poly2S.Matrix);
setPolyF4(poly2S.poly_f4);
setRGB0(poly2S.poly_f4, poly2S.color.r,poly2S.color.g,poly2S.color.b);
RotTransPers4(
@ -393,24 +276,16 @@ int main(void)
&poly2S.depth,
&poly2S.flag
);
addPrim(ot[db]+poly2S.otz, poly2S.poly_f4);
nextpri += sizeof(POLY_F4);
///// Blue
poly3S.poly_f4 = (POLY_F4 *)nextpri;
poly3S.RotV_L.vz += poly3S.rotSpeed;
RotMatrix(&poly3S.RotV_L, &poly3S.Matrix);
TransMatrix(&poly3S.Matrix, &poly3S.TransV_L);
ScaleMatrix(&poly3S.Matrix, &poly3S.ScaleV_L);
SetRotMatrix(&poly3S.Matrix);
SetTransMatrix(&poly3S.Matrix);
setPolyF4(poly3S.poly_f4);
setRGB0(poly3S.poly_f4, poly3S.color.r,poly3S.color.g,poly3S.color.b);
RotTransPers4(
@ -419,19 +294,11 @@ int main(void)
&poly3S.depth,
&poly3S.flag
);
addPrim(ot[db]+poly3S.otz, poly3S.poly_f4);
nextpri += sizeof(POLY_F4);
// Pad stuff
int pad = PadRead(0); // init pad
// Right D-pad
if(pad & PADRup){
if (CurrentPoly->PivotV_L.vy >= 0){
CurrentPoly->PivotV_L.vy -= 1;
@ -441,7 +308,6 @@ int main(void)
CurrentPoly->PivotV_L.vy = CurrentPoly->PivotV_L.vy;
}
};
if(pad & PADRdown){
if (CurrentPoly->PivotV_L.vy <= CurrentPoly->height ){
CurrentPoly->PivotV_L.vy += 1;
@ -451,7 +317,6 @@ int main(void)
CurrentPoly->PivotV_L.vy = CurrentPoly->PivotV_L.vy;
}
};
if(pad & PADRleft){
if (CurrentPoly->PivotV_L.vx >= 0){
CurrentPoly->PivotV_L.vx -= 1;
@ -461,7 +326,6 @@ int main(void)
CurrentPoly->PivotV_L.vx = CurrentPoly->PivotV_L.vx;
}
};
if(pad & PADRright){
if (CurrentPoly->PivotV_L.vx <= CurrentPoly->width ){
CurrentPoly->PivotV_L.vx += 1;
@ -471,13 +335,9 @@ int main(void)
CurrentPoly->PivotV_L.vx = CurrentPoly->PivotV_L.vx;
}
};
// R1, R2, L2, L2
if(pad & PADR1){
if(BtnTimer == 0){
if (polyCount < 4){
CurrentPoly -= 1;
BtnTimer = 10;
@ -489,9 +349,7 @@ int main(void)
}
}
}
if(pad & PADR2){
if(BtnTimer == 0){
if(CurrentPoly->otz < 5 ){
CurrentPoly->otz += 1;
@ -502,9 +360,7 @@ int main(void)
}
}
}
if(pad & PADL1){
if(BtnTimer == 0){
if (CurrentPoly->rotSpeed <= 320){
CurrentPoly->rotSpeed += 8;
@ -512,9 +368,7 @@ int main(void)
BtnTimer = 10;
}
}
if(pad & PADL2){
if(BtnTimer == 0){
if (CurrentPoly->rotSpeed >= -320){
CurrentPoly->rotSpeed -= 8;
@ -522,84 +376,50 @@ int main(void)
BtnTimer = 10;
}
}
// Left D-Pad
if(pad & PADLup){
if(BtnTimer == 0){
CurrentPoly->TransV_L.vy -= 1;
//~ BtnTimer = 2;
}
}
if(pad & PADLdown){
if(BtnTimer == 0){
CurrentPoly->TransV_L.vy += 1;
//~ BtnTimer = 2;
}
}
if(pad & PADLleft){
if(BtnTimer == 0){
CurrentPoly->TransV_L.vx -= 1;
//~ BtnTimer = 2;
}
}
if(pad & PADLright){
if(BtnTimer == 0){
CurrentPoly->TransV_L.vx += 1;
//~ BtnTimer = 2;
}
}
if(pad & PADstart){
if(BtnTimer == 0){
CurrentPoly->ScaleV_L.vx += 100;
CurrentPoly->ScaleV_L.vy += 100;
//~ CurrentPoly->TransV_L.vz += 1;
}
}
if(pad & PADselect){
if(BtnTimer == 0){
CurrentPoly->ScaleV_L.vx -= 100;
CurrentPoly->ScaleV_L.vy -= 100;
//~ CurrentPoly->TransV_L.vz -= 1;
}
}
// Btn_timer decrement
if(BtnTimer > 0){
BtnTimer -= 1;
}
// Debug stuff
// Display Rotation matrix
//~ FntPrint("Rotmatrix:\n%d %d %d\n%d %d %d\n%d %d %d \n",
//~ Poly1Matrix.m[0][0], Poly1Matrix.m[0][1], Poly1Matrix.m[0][2],
//~ Poly1Matrix.m[1][0], Poly1Matrix.m[1][1], Poly1Matrix.m[1][2],
//~ Poly1Matrix.m[2][0], Poly1Matrix.m[2][1], Poly1Matrix.m[2][2]);
// Display Mem adress and values of verticess
//~ FntPrint("cur:%x\n 0:%x\n 1:%x\n 2:%x\n 3:%x\n", CurrentPoly, &polyS, &poly1S, &poly2S, &poly3S);
//~ FntPrint("timer:%d polyCount:%d speed:%d", BtnTimer, polyCount, CurrentPoly->rotSpeed );
//~ FntPrint("&poly->x0 Addr:%x Value:%d \n&poly->y0 Addr:%x Value:%d \n&poly->x1 Addr:%x Value:%d",
//~ (long)&poly->x0, poly->x0,
//~ (long)&poly->y0, poly->y0,
//~ (long)&poly->x1, poly->x1);
//~ FntPrint("otz : %d\n" , CurrentPoly->rotSpeed);
// On-screen instructions
FntPrint("\
D-Pad:move polygon.\n\
[],X,O,\/\\ : Move pivot point.\n\
@ -608,9 +428,7 @@ R1 : select polygon\n\
R2 : change z-index\n\
Start,Select : Scale polygon +/-\
");
FntFlush(-1);
display();
}
return 0;

79
hello_poly_gt/hello_poly_gt.c
View File

@ -4,95 +4,52 @@
//
// From ../psyq/addons/graphics/MESH/RMESH/TUTO0.C :
// Schnappy 2021
#include <sys/types.h>
#include <stdio.h>
#include <libgte.h>
#include <libetc.h>
#include <libgpu.h>
#define VMODE 0 // Video Mode : 0 : NTSC, 1: PAL
#define SCREENXRES 320 // Screen width
#define SCREENYRES 240 // Screen height
#define CENTERX SCREENXRES/2 // Center of screen on x
#define CENTERY SCREENYRES/2 // Center of screen on y
#define MARGINX 32 // margins for text display
#define MARGINY 32
#define FONTSIZE 8 * 5 // Text Field Height
#define OTLEN 8 // Ordering Table Length
DISPENV disp[2]; // Double buffered DISPENV and DRAWENV
DRAWENV draw[2];
u_long ot[2][OTLEN]; // double ordering table of length 8 * 32 = 256 bits / 32 bytes
char primbuff[2][32768]; // double primitive buffer of length 32768 * 8 = 262.144 bits / 32,768 Kbytes
char *nextpri = primbuff[0]; // pointer to the next primitive in primbuff. Initially, points to the first bit of primbuff[0]
short db = 0; // index of which buffer is used, values 0, 1
// 16bpp TIM
extern unsigned long _binary____TIM_bousai_tim_start[];
extern unsigned long _binary____TIM_bousai_tim_end[];
extern unsigned long _binary____TIM_bousai_tim_length;
TIM_IMAGE bousai;
MATRIX identity(int num) // generate num x num matrix
{
int row, col;
MATRIX matrix;
for (row = 0; row < num; row++)
{
for (col = 0; col < num; col++)
{
if (row == col)
matrix.m[row][col] = 4096;
else
matrix.m[row][col] = 0;
}
}
return matrix;
}
void LoadTexture(u_long * tim, TIM_IMAGE * tparam){ // This part is from Lameguy64's tutorial series : lameguy64.net/svn/pstutorials/chapter1/3-textures.html login/pw: annoyingmous
OpenTIM(tim); // Open the tim binary data, feed it the address of the data in memory
ReadTIM(tparam); // This read the header of the TIM data and sets the corresponding members of the TIM_IMAGE structure
LoadImage(tparam->prect, tparam->paddr); // Transfer the data from memory to VRAM at position prect.x, prect.y
DrawSync(0); // Wait for the drawing to end
if (tparam->mode & 0x8){ // check 4th bit // If 4th bit == 1, TIM has a CLUT
LoadImage(tparam->crect, tparam->caddr); // Load it to VRAM at position crect.x, crect.y
DrawSync(0); // Wait for drawing to end
}
}
void init(void)
{
ResetGraph(0);
// Initialize and setup the GTE
InitGeom();
SetGeomOffset(CENTERX,CENTERY);
SetGeomScreen(CENTERX);
SetDefDispEnv(&disp[0], 0, 0, SCREENXRES, SCREENYRES);
SetDefDispEnv(&disp[1], 0, SCREENYRES, SCREENXRES, SCREENYRES);
SetDefDrawEnv(&draw[0], 0, SCREENYRES, SCREENXRES, SCREENYRES);
SetDefDrawEnv(&draw[1], 0, 0, SCREENXRES, SCREENYRES);
if (VMODE)
{
SetVideoMode(MODE_PAL);
@ -102,102 +59,68 @@ void init(void)
SetDispMask(1); // Display on screen
setRGB0(&draw[0], 128, 128, 128);
setRGB0(&draw[1], 128, 128, 128);
draw[0].isbg = 1;
draw[1].isbg = 1;
PutDispEnv(&disp[db]);
PutDrawEnv(&draw[db]);
FntLoad(960, 0);
FntOpen(MARGINX, SCREENYRES - MARGINY - FONTSIZE, SCREENXRES - MARGINX * 2, FONTSIZE, 0, 280 );
}
void display(void)
{
DrawSync(0);
VSync(0);
PutDispEnv(&disp[db]);
PutDrawEnv(&draw[db]);
DrawOTag(&ot[db][OTLEN - 1]);
db = !db;
nextpri = primbuff[db];
}
int main(void)
{
int i;
MATRIX IDMATRIX = identity(3); // Generate 3x3 identity matrix
POLY_GT4 *poly = {0}; // pointer to a POLY_G4
SVECTOR RotVector = {0, 0, 0}; // Initialize rotation vector {x, y, z}
VECTOR MovVector = {0, 0, 120, 0}; // Initialize translation vector {x, y, z}
SVECTOR VertPos[4] = { // Set initial vertices position relative to 0,0 - see here : https://psx.arthus.net/docs/poly_f4.jpg
{-32, -32, 0 }, // Vert 1
{-32, 32, 0 }, // Vert 2
{ 32, -32, 0 }, // Vert 3
{ 32, 32, 0 } // Vert 4
};
MATRIX PolyMatrix = IDMATRIX;
MATRIX PolyMatrix = {0};
DR_TPAGE * bousai_tpage;
long polydepth;
long polyflag;
init();
LoadTexture(_binary____TIM_bousai_tim_start, &bousai);
while (1)
{
ClearOTagR(ot[db], OTLEN);
poly = (POLY_GT4 *)nextpri; // Set poly to point to the address of the next primitiv in the buffer
// Set transform matrices for this polygon
RotMatrix(&RotVector, &PolyMatrix); // Apply rotation matrix
TransMatrix(&PolyMatrix, &MovVector); // Apply translation matrix
SetRotMatrix(&PolyMatrix); // Set default rotation matrix
SetTransMatrix(&PolyMatrix); // Set default transformation matrix
setPolyGT4(poly); // Initialize poly as a POLY_F4
poly->tpage = getTPage(bousai.mode&0x3, 0, bousai.prect->x, bousai.prect->y);
setRGB0(poly, 128, 128, 128); // Set vertice 1 color
setRGB1(poly, 255, 0, 0); // Set vertice 2 color
setRGB2(poly, 0, 255, 0); // Set vertice 3 color
setRGB3(poly, 0, 0, 255); // Set vertice 4 color
RotTransPers4(
&VertPos[0], &VertPos[1], &VertPos[2], &VertPos[3],
(long*)&poly->x0, (long*)&poly->x1, (long*)&poly->x2, (long*)&poly->x3,
&polydepth,
&polyflag
); // Perform coordinate and perspective transformation for 4 vertices
setUV4(poly, 0, 0, 0, 144, 144, 0, 144, 144); // Set UV coordinates in order Top Left, Bottom Left, Top Right, Bottom Right
RotVector.vx += 8; // Apply rotation on Z-axis. On PSX, the Z-axis is pointing away from the screen.
addPrim(ot[db], poly); // add poly to the Ordering table
nextpri += sizeof(POLY_GT4); // increment nextpri address with size of a POLY_F4 struct
FntPrint("Hello textured shaded !");
FntFlush(-1);
display();
}
return 0;

90
hello_poly_gt_tw/hello_poly_gt_tw.c
View File

@ -4,95 +4,52 @@
//
// From ../psyq/addons/graphics/MESH/RMESH/TUTO0.C :
// Schnappy 2021
#include <sys/types.h>
#include <stdio.h>
#include <libgte.h>
#include <libetc.h>
#include <libgpu.h>
#define VMODE 0 // Video Mode : 0 : NTSC, 1: PAL
#define SCREENXRES 320 // Screen width
#define SCREENYRES 240 // Screen height
#define CENTERX SCREENXRES/2 // Center of screen on x
#define CENTERY SCREENYRES/2 // Center of screen on y
#define MARGINX 32 // margins for text display
#define MARGINY 32
#define FONTSIZE 8 * 5 // Text Field Height
#define OTLEN 8 // Ordering Table Length
DISPENV disp[2]; // Double buffered DISPENV and DRAWENV
DRAWENV draw[2];
u_long ot[2][OTLEN]; // double ordering table of length 8 * 32 = 256 bits / 32 bytes
char primbuff[2][32768]; // double primitive buffer of length 32768 * 8 = 262.144 bits / 32,768 Kbytes
char *nextpri = primbuff[0]; // pointer to the next primitive in primbuff. Initially, points to the first bit of primbuff[0]
short db = 0; // index of which buffer is used, values 0, 1
// 16bpp TIM
extern unsigned long _binary____TIM_bousai_tim_start[];
extern unsigned long _binary____TIM_bousai_tim_end[];
extern unsigned long _binary____TIM_bousai_tim_length;
TIM_IMAGE bousai;
MATRIX identity(int num) // generate num x num matrix
{
int row, col;
MATRIX matrix;
for (row = 0; row < num; row++)
{
for (col = 0; col < num; col++)
{
if (row == col)
matrix.m[row][col] = 4096;
else
matrix.m[row][col] = 0;
}
}
return matrix;
}
void LoadTexture(u_long * tim, TIM_IMAGE * tparam){ // This part is from Lameguy64's tutorial series : lameguy64.net/svn/pstutorials/chapter1/3-textures.html login/pw: annoyingmous
OpenTIM(tim); // Open the tim binary data, feed it the address of the data in memory
ReadTIM(tparam); // This read the header of the TIM data and sets the corresponding members of the TIM_IMAGE structure
LoadImage(tparam->prect, tparam->paddr); // Transfer the data from memory to VRAM at position prect.x, prect.y
DrawSync(0); // Wait for the drawing to end
if (tparam->mode & 0x8){ // check 4th bit // If 4th bit == 1, TIM has a CLUT
LoadImage(tparam->crect, tparam->caddr); // Load it to VRAM at position crect.x, crect.y
DrawSync(0); // Wait for drawing to end
}
}
void init(void)
{
ResetGraph(0);
// Initialize and setup the GTE
InitGeom();
SetGeomOffset(CENTERX,CENTERY);
SetGeomScreen(CENTERX);
SetDefDispEnv(&disp[0], 0, 0, SCREENXRES, SCREENYRES);
SetDefDispEnv(&disp[1], 0, SCREENYRES, SCREENXRES, SCREENYRES);
SetDefDrawEnv(&draw[0], 0, SCREENYRES, SCREENXRES, SCREENYRES);
SetDefDrawEnv(&draw[1], 0, 0, SCREENXRES, SCREENYRES);
if (VMODE)
{
SetVideoMode(MODE_PAL);
@ -100,124 +57,79 @@ void init(void)
disp[1].screen.y += 8;
}
SetDispMask(1); // Display on screen
setRGB0(&draw[0], 128, 128, 128);
setRGB0(&draw[1], 128, 128, 128);
draw[0].isbg = 1;
draw[1].isbg = 1;
PutDispEnv(&disp[db]);
PutDrawEnv(&draw[db]);
FntLoad(960, 0);
FntOpen(MARGINX, SCREENYRES - MARGINY - FONTSIZE, SCREENXRES - MARGINX * 2, FONTSIZE, 0, 280 );
}
void display(void)
{
DrawSync(0);
VSync(0);
PutDispEnv(&disp[db]);
PutDrawEnv(&draw[db]);
DrawOTag(&ot[db][OTLEN - 1]);
db = !db;
nextpri = primbuff[db];
}
int main(void)
{
int i;
MATRIX IDMATRIX = identity(3); // Generate 3x3 identity matrix
POLY_GT4 *poly = {0}; // pointer to a POLY_G4
SVECTOR RotVector = {0, 0, 0}; // Initialize rotation vector {x, y, z}
VECTOR MovVector = {0, 0, 120, 0}; // Initialize translation vector {x, y, z}
SVECTOR VertPos[4] = { // Set initial vertices position relative to 0,0 - see here : https://psx.arthus.net/docs/poly_f4.jpg
{-32, -32, 0 }, // Vert 1
{-32, 32, 0 }, // Vert 2
{ 32, -32, 0 }, // Vert 3
{ 32, 32, 0 } // Vert 4
};
MATRIX PolyMatrix = IDMATRIX;
MATRIX PolyMatrix = {0};
DR_TPAGE * bousai_tpage;
long polydepth;
long polyflag;
// Texture window
DR_MODE * dr_mode; // Pointer to dr_mode prim
RECT tws = {64, 32, 32, 32}; // Texture window coordinates : x, y, w, h
// See libref47.pdf, p.242, 7-6, table 7-2 for possible values
init();
LoadTexture(_binary____TIM_bousai_tim_start, &bousai);
while (1)
{
ClearOTagR(ot[db], OTLEN);
poly = (POLY_GT4 *)nextpri; // Set poly to point to the address of the next primitiv in the buffer
// Set transform matrices for this polygon
RotMatrix(&RotVector, &PolyMatrix); // Apply rotation matrix
TransMatrix(&PolyMatrix, &MovVector); // Apply translation matrix
SetRotMatrix(&PolyMatrix); // Set default rotation matrix
SetTransMatrix(&PolyMatrix); // Set default transformation matrix
setPolyGT4(poly); // Initialize poly as a POLY_F4
poly->tpage = getTPage(bousai.mode&0x3, 0, bousai.prect->x, bousai.prect->y);
setRGB0(poly, 128, 128, 128); // Set vertice 1 color
setRGB1(poly, 255, 0, 0); // Set vertice 2 color
setRGB2(poly, 0, 255, 0); // Set vertice 3 color
setRGB3(poly, 0, 0, 255); // Set vertice 4 color
RotTransPers4(
&VertPos[0], &VertPos[1], &VertPos[2], &VertPos[3],
(long*)&poly->x0, (long*)&poly->x1, (long*)&poly->x2, (long*)&poly->x3,
&polydepth,
&polyflag
); // Perform coordinate and perspective transformation for 4 vertices
setUV4(poly, 0, 0, 0, 144, 144, 0, 144, 144); // Set UV coordinates in order Top Left, Bottom Left, Top Right, Bottom Right
RotVector.vy += 14; // Apply rotation on Z-axis. On PSX, the Z-axis is pointing away from the screen.
addPrim(ot[db], poly); // add poly to the Ordering table
nextpri += sizeof(POLY_GT4); // increment nextpri address with size of a POLY_GT4 struct
// drawing mode primitive
dr_mode = (DR_MODE *)nextpri; // initialize drawing mode primitive
setDrawMode(dr_mode, 1, 0, getTPage(bousai.mode&0x3, 0, bousai.prect->x, bousai.prect->y), &tws); //set texture window
addPrim(ot[db], dr_mode);
nextpri += sizeof(DR_MODE); // increment nextpri address with size of a DR_MODE struct
FntPrint("Hello textured shaded !");
FntFlush(-1);
display();
}
return 0;

9
hello_poly_inline/hello_poly_inline.c
View File

@ -34,7 +34,7 @@
DISPENV disp[2]; // Double buffered DISPENV and DRAWENV
DRAWENV draw[2];
u_long ot[2][OTLEN]; // double ordering table of length 8 * 32 = 256 bits / 32 bytes
char primbuff[2][32768] = {0}; // double primitive buffer of length 32768 * 8 = 262.144 bits / 32,768 Kbytes
char primbuff[2][32768]; // double primitive buffer of length 32768 * 8 = 262.144 bits / 32,768 Kbytes
char *nextpri = primbuff[0]; // pointer to the next primitive in primbuff. Initially, points to the first bit of primbuff[0]
short db = 0; // index of which buffer is used, values 0, 1
@ -53,12 +53,7 @@ void init(void)
SetDefDrawEnv(&draw[0], 0, SCREENYRES, SCREENXRES, SCREENYRES);
SetDefDrawEnv(&draw[1], 0, 0, SCREENXRES, SCREENYRES);
// If PAL, use 320x256, hence 256 - 240 = 16 / 2 = 8 px vertical offset
if (VMODE)
{
SetVideoMode(MODE_PAL);
disp[0].screen.y += 8;
disp[1].screen.y += 8;
}
if (VMODE) SetVideoMode(MODE_PAL);
SetDispMask(1);
// Set background color
setRGB0(&draw[0], 50, 50, 50);

9
hello_poly_subdiv/hello_poly_subdiv.c
View File

@ -34,7 +34,7 @@
DISPENV disp[2]; // Double buffered DISPENV and DRAWENV
DRAWENV draw[2];
u_long ot[2][OTLEN]; // double ordering table of length 8 * 32 = 256 bits / 32 bytes
char primbuff[2][32768] = {1}; // double primitive buffer of length 32768 * 8 = 262.144 bits / 32,768 Kbytes
char primbuff[2][32768]; // double primitive buffer of length 32768 * 8 = 262.144 bits / 32,768 Kbytes
char *nextpri = primbuff[0]; // pointer to the next primitive in primbuff. Initially, points to the first bit of primbuff[0]
short db = 0; // index of which buffer is used, values 0, 1
@ -55,12 +55,7 @@ void init(void)
SetDefDrawEnv(&draw[0], 0, SCREENYRES, SCREENXRES, SCREENYRES);
SetDefDrawEnv(&draw[1], 0, 0, SCREENXRES, SCREENYRES);
// If PAL, use 320x256, hence 256 - 240 = 16 / 2 = 8 px vertical offset
if (VMODE)
{
SetVideoMode(MODE_PAL);
disp[0].screen.y += 8;
disp[1].screen.y += 8;
}
if (VMODE) SetVideoMode(MODE_PAL);
SetDispMask(1);
// Set background color
setRGB0(&draw[0], 50, 50, 50);

2
hello_sio/hello_sio.c
View File

@ -29,7 +29,7 @@
DISPENV disp[2];
DRAWENV draw[2];
u_long ot[2][OTLEN]; // Ordering table (contains addresses to primitives)
char primbuff[2][PRIMBUFFLEN] = {0}; // Primitive list // That's our prim buffer
char primbuff[2][PRIMBUFFLEN]; // Primitive list // That's our prim buffer
char * nextpri = primbuff[0]; // Primitive counter
short db = 0; // Current buffer counter
// SIO

78
hello_sprt/hello_sprt.c
View File

@ -7,229 +7,151 @@
#include <libgte.h>
#include <libetc.h>
#include <libgpu.h>
#define VMODE 0 // Video Mode : 0 : NTSC, 1: PAL
#define SCREENXRES 320
#define SCREENYRES 240
#define CENTERX SCREENXRES/2
#define CENTERY SCREENYRES/2
#define MARGINX 32 // margins for text display
#define MARGINY 44
#define FONTSIZE 8 * 3 // Text Field Height
#define OTLEN 8 // Ordering Table Length
DISPENV disp[2]; // Double buffered DISPENV and DRAWENV
DRAWENV draw[2];
u_long ot[2][OTLEN]; // double ordering table of length 8 * 32 = 256 bits / 32 bytes
char primbuff[2][32768]; // double primitive buffer of length 32768 * 8 = 262.144 bits / 32,768 Kbytes
char *nextpri = primbuff[0]; // pointer to the next primitive in primbuff. Initially, points to the first bit of primbuff[0]
short db = 0; // index of which buffer is used, values 0, 1
// Embed TIM files
// See https://github.com/ABelliqueux/nolibgs_hello_worlds#embedding-binary-data-in-a-ps-exe
// 16bpp TIM
extern unsigned long _binary____TIM_TIM16_tim_start[];
extern unsigned long _binary____TIM_TIM16_tim_end[];
extern unsigned long _binary____TIM_TIM16_tim_length;
// 8bpp TIM
extern unsigned long _binary____TIM_TIM8_tim_start[];
extern unsigned long _binary____TIM_TIM8_tim_end[];
extern unsigned long _binary____TIM_TIM8_TIM_length;
// 4bpp TIM
extern unsigned long _binary____TIM_TIM4_tim_start[];
extern unsigned long _binary____TIM_TIM4_tim_end[];
extern unsigned long _binary____TIM_TIM4_tim_length;
TIM_IMAGE TIM_16;
TIM_IMAGE TIM_8;
TIM_IMAGE TIM_4;
void LoadTexture(u_long * tim, TIM_IMAGE * tparam){ // This part is from Lameguy64's tutorial series : lameguy64.net/svn/pstutorials/chapter1/3-textures.html login/pw: annoyingmous
OpenTIM(tim); // Open the tim binary data, feed it the address of the data in memory
ReadTIM(tparam); // This read the header of the TIM data and sets the corresponding members of the TIM_IMAGE structure
LoadImage(tparam->prect, tparam->paddr); // Transfer the data from memory to VRAM at position prect.x, prect.y
DrawSync(0); // Wait for the drawing to end
if (tparam->mode & 0x8){ // check 4th bit // If 4th bit == 1, TIM has a CLUT
LoadImage(tparam->crect, tparam->caddr); // Load it to VRAM at position crect.x, crect.y
DrawSync(0); // Wait for drawing to end
}
}
void init(void)
{
ResetGraph(0);
SetDefDispEnv(&disp[0], 0, 0, SCREENXRES, SCREENYRES);
SetDefDispEnv(&disp[1], 0, SCREENYRES, SCREENXRES, SCREENYRES);
SetDefDrawEnv(&draw[0], 0, SCREENYRES, SCREENXRES, SCREENYRES);
SetDefDrawEnv(&draw[1], 0, 0, SCREENXRES, SCREENYRES);
if (VMODE)
{
SetVideoMode(MODE_PAL);
disp[0].screen.y += 8;
disp[1].screen.y += 8;
}
SetDispMask(1); // Display on screen
setRGB0(&draw[0], 50, 50, 50);
setRGB0(&draw[1], 50, 50, 50);
draw[0].isbg = 1;
draw[1].isbg = 1;
PutDispEnv(&disp[db]);
PutDrawEnv(&draw[db]);
FntLoad(960, 0);
FntOpen(MARGINX, SCREENYRES - MARGINY - FONTSIZE, SCREENXRES - MARGINX * 2, FONTSIZE, 0, 280 );
}
void display(void)
{
DrawSync(0);
VSync(0);
PutDispEnv(&disp[db]);
PutDrawEnv(&draw[db]);
DrawOTag(&ot[db][OTLEN - 1]);
db = !db;
nextpri = primbuff[db];
}
int main(void)
{
SPRT * sprt_16b; // Define 3 pointers to SPRT struct
SPRT * sprt_8b;
SPRT * sprt_4b;
DR_TPAGE * tpage_16b; // Define 3 pointers to DR_TPAGE struct. We need three because our images are on three
DR_TPAGE * tpage_8b; // different texture pages.
DR_TPAGE * tpage_4b;
init();
LoadTexture(_binary____TIM_TIM16_tim_start, &TIM_16); // Load everything to vram
LoadTexture(_binary____TIM_TIM8_tim_start, &TIM_8);
LoadTexture(_binary____TIM_TIM4_tim_start, &TIM_4);
while (1)
{
ClearOTagR(ot[db], OTLEN);
// Loading a 16 bit TIM
sprt_16b = (SPRT *)nextpri; // Cast whats at nexpri as a SPRT named sprt_16b
setSprt(sprt_16b); // Initialize the SPRT struct
setRGB0(sprt_16b, 128, 128, 128); // Set RGB color. 128,128,128 is neutral. You can color the image by adjusting these values
setXY0(sprt_16b, 28, MARGINY); // Set sprite position
setWH(sprt_16b, 64, 128 ); // Set sprite width and height
addPrim(ot[db], sprt_16b); // add the sprite primitive to the ordering table
nextpri += sizeof(SPRT); // increment nextpri so that it points just after sprt_16b in the primitive buffer
// Set Texture page for the 16bit tim : 768, 0 - No CLUT
// Note : You need to use setDrawTPage each time you want to use a texture that's on a different texture page
tpage_16b = (DR_TPAGE*)nextpri;
setDrawTPage(tpage_16b, 0, 1, // Set the Texture Page the texture we want resides on.
getTPage(TIM_16.mode&0x3, 0, // Here we are using bitmasking to deduce the picture mode : &0x3
TIM_16.prect->x, TIM_16.prect->y)); // In binary, 3 is 11, so we only keep the first two bits
// Values can be 00 (0), 01 (1), 10(2), respectively, 4bpp, 8bpp, 15bpp, 24bpp. See Fileformat47.pdf, p.180
// Similarly, we could use bitmasking to deduce if there is a CLUT by bitmasking the 4th bit : if(TIM_IMAGE.mode & 0x8) LoadImage... :
addPrim(ot[db], tpage_16b); // add the sprite primitive to the ordering table
nextpri += sizeof(DR_TPAGE); // Advance next primitive address
// Loading a 8 bit TIM
sprt_8b = (SPRT *)nextpri;
setSprt(sprt_8b);
setRGB0(sprt_8b, 128, 128, 128);
setXY0(sprt_8b, sprt_16b->x0 + sprt_16b->w + 32, MARGINY);
setWH(sprt_8b, 64, 128 );
setClut(sprt_8b, TIM_8.crect->x, TIM_8.crect->y); // Only difference here is we set the CLUT to the position of the VRAM we loaded the palette earlier (see LoadTexture())
addPrim(ot[db], sprt_8b);
nextpri += sizeof(SPRT);
// Set Texture page for the 8bit tim : 512, 256 - CLUT is at 0, 480
tpage_8b = (DR_TPAGE*)nextpri;
setDrawTPage(tpage_8b, 0, 1,
getTPage(TIM_8.mode&0x3, 0,
TIM_8.prect->x, TIM_8.prect->y));
addPrim(ot[db], tpage_8b);
nextpri += sizeof(DR_TPAGE);
// Loading a 4 bit TIM
sprt_4b = (SPRT *)nextpri;
setSprt(sprt_4b);
setRGB0(sprt_4b, 128, 128, 128);
setXY0(sprt_4b, sprt_8b->x0 + sprt_8b->w + 32, MARGINY);
setWH(sprt_4b, 64, 128 );
setClut(sprt_4b, TIM_4.crect->x, TIM_4.crect->y);
addPrim(ot[db], sprt_4b);
nextpri += sizeof(SPRT);
// Set Texture page for the 4bit tim : 512, 256 - CLUT is at 0, 480
tpage_4b = (DR_TPAGE*)nextpri;
setDrawTPage(tpage_4b, 0, 1,
getTPage(TIM_4.mode&0x3, 0,
TIM_4.prect->x, TIM_4.prect->y));
addPrim(ot[db], tpage_4b);
nextpri += sizeof(DR_TPAGE);
FntPrint("16 Bit! ");
FntPrint("8 Bit! ");
FntPrint("4 Bit!\n\n");
FntPrint("Check VRAM in emu to see the dif");
FntFlush(-1);
display();
}
return 0;

46
hello_tile/hello_tile.c
View File

@ -6,84 +6,57 @@
#include <libgte.h>
#include <libetc.h>
#include <libgpu.h>
#define VMODE 0 // Video Mode : 0 : NTSC, 1: PAL
#define SCREENXRES 320
#define SCREENYRES 240
#define CENTERX SCREENXRES/2
#define CENTERY SCREENYRES/2
#define MARGINX 0 // margins for text display
#define MARGINY 32
#define FONTSIZE 8 * 7 // Text Field Height
#define OTLEN 8 // Ordering Table Length
DISPENV disp[2]; // Double buffered DISPENV and DRAWENV
DRAWENV draw[2];
u_long ot[2][OTLEN]; // double ordering table of length 8 * 32 = 256 bits / 32 bytes
char primbuff[2][32768] = {0};// double primitive buffer of length 32768 * 8 = 262.144 bits / 32,768 Kbytes
char primbuff[2][32768];// double primitive buffer of length 32768 * 8 = 262.144 bits / 32,768 Kbytes
char *nextpri = primbuff[0]; // pointer to the next primitive in primbuff. Initially, points to the first bit of primbuff[0]
short db = 0; // index of which buffer is used, values 0, 1
void init(void)
{
ResetGraph(0);
SetDefDispEnv(&disp[0], 0, 0, SCREENXRES, SCREENYRES);
SetDefDispEnv(&disp[1], 0, SCREENYRES, SCREENXRES, SCREENYRES);
SetDefDrawEnv(&draw[0], 0, SCREENYRES, SCREENXRES, SCREENYRES);
SetDefDrawEnv(&draw[1], 0, 0, SCREENXRES, SCREENYRES);
if (VMODE)
{
SetVideoMode(MODE_PAL);
disp[0].screen.y += 8;
disp[1].screen.y += 8;
}
SetDispMask(1); // Display on screen
setRGB0(&draw[0], 50, 50, 50);
setRGB0(&draw[1], 50, 50, 50);
draw[0].isbg = 1;
draw[1].isbg = 1;
PutDispEnv(&disp[db]);
PutDrawEnv(&draw[db]);
FntLoad(960, 0);
FntOpen(MARGINX, SCREENYRES - MARGINY - FONTSIZE, SCREENXRES - MARGINX * 2, FONTSIZE, 0, 280 );
}
void display(void)
{
DrawSync(0);
VSync(0);
PutDispEnv(&disp[db]);
PutDrawEnv(&draw[db]);
// We're using a reverse OT, so we want to display the last item first. See PsyQ's LibRef47.pdf, p.277
DrawOTag(&ot[db][OTLEN - 1]);
// Uncomment the following line to use a regular oredered OT. Uncomment l.100 accordingly
//~ DrawOTag(ot[db]);
db = !db;
nextpri = primbuff[db];
}
int main(void)
{
// These two tiles are added at the same OT index
@ -91,61 +64,44 @@ int main(void)
TILE * pink_tile;
// This one is added at a different OT index
TILE * yellow_tile;
init();
while (1)
{
// Initialize the reversed ordering table. This means the elements at index OTLEN - 1 is drawn first.
ClearOTagR(ot[db], OTLEN);
// Use regular order OT, uncomment l.77 accordingly
//~ ClearOTag(ot[db], OTLEN);
// yellow_tile is before pink and blue tile in the code,
// and it displays behind because it is added to a different ot index (od[db] + OTLEN - 1)
// Using a Regular or Reverse OT will have an effect on drawing order. (See lines 77 and 100)
yellow_tile = (TILE * ) nextpri; // yellow_tile is a pointer to primbuf content at adress nextpri, that's cast (type converted) to a TILE struc.
setTile(yellow_tile); // initialize the TILE structure ( fill the length and tag(?) value )
setXY0(yellow_tile, CENTERX - 32 , CENTERY - 48); // Set X,Y
setWH(yellow_tile, 128, 40); // Set Width, Height
setRGB0(yellow_tile, 255, 255, 0); // Set color
addPrim(ot[db] + OTLEN - 1, yellow_tile); // Add primitive to ordering table
nextpri += sizeof(TILE);
// blue_tile added at od[db] + OTLEN - 2
blue_tile = (TILE * ) nextpri; // blue_tile is a pointer to primbuf content at adress nextpri, that's cast (type converted) to a blue_tile struc.
setTile(blue_tile); // initialize the blue_tile structure ( fill the length and tag(?) value )
setXY0(blue_tile, CENTERX - 16, CENTERY - 32); // Set X,Y
setWH(blue_tile, 32, 64); // Set Width, Height
setRGB0(blue_tile, 60, 180, 255); // Set color
addPrim(ot[db] + OTLEN - 2, blue_tile); // Add primitive to ordering table
nextpri += sizeof(TILE); // Increment the adress nextpri points to by the size of TILE struct
// pink_tile is after blue_tile in the code,
// so it is drawn before, thus under blue_tile.
// However, it is added at the same ot index (od[db] + OTLEN - 2)
// so using a Regular or Reverse OT won't have an effect on drawing order.
pink_tile = (TILE * ) nextpri; // pink_tile is a pointer to primbuf content at adress nextpri, that's cast (type converted) to a TILE struc.
setTile(pink_tile); // initialize the TILE structure ( fill the length and tag(?) value )
setXY0(pink_tile, CENTERX, CENTERY - 64); // Set X,Y
setWH(pink_tile, 64, 64); // Set Width, Height
setRGB0(pink_tile, 255, 32, 255); // Set color
addPrim(ot[db] + OTLEN - 2, pink_tile); // Add primitive to ordering table
nextpri += sizeof(TILE);
FntPrint("Hello tile !");
FntFlush(-1);
display();
}
return 0;

81
hello_vag/hello_vag.c
View File

@ -20,44 +20,29 @@
// libover47.pdf, p.271
// libref47.pdf, p.980
// URLS : http://psx.arthus.net/code/VAG/
#include <sys/types.h>
#include <stdio.h>
#include <libgte.h>
#include <libetc.h>
#include <libgpu.h>
// Sound system
#include <libsnd.h>
#include <libspu.h>
#define VMODE 0 // Video Mode : 0 : NTSC, 1: PAL
#define SCREENXRES 320
#define SCREENYRES 240
#define CENTERX SCREENXRES/2
#define CENTERY SCREENYRES/2
#define MARGINX 0 // margins for text display
#define MARGINY 32
#define FONTSIZE 8 * 7 // Text Field Height
DISPENV disp[2]; // Double buffered DISPENV and DRAWENV
DRAWENV draw[2];
short db = 0; // index of which buffer is used, values 0, 1
// Sound stuff
#define MALLOC_MAX 3 // Max number of time we can call SpuMalloc
//~ // convert Little endian to Big endian
#define SWAP_ENDIAN32(x) (((x)>>24) | (((x)>>8) & 0xFF00) | (((x)<<8) & 0x00FF0000) | ((x)<<24))
typedef struct VAGheader{ // All the values in this header must be big endian
char id[4]; // VAGp 4 bytes -> 1 char * 4
unsigned int version; // 4 bytes
@ -68,111 +53,74 @@ typedef struct VAGheader{ // All the values in this header must be big end
char name[16]; // 16 bytes -> 1 char * 16
// Waveform data after that
}VAGhdr;
SpuCommonAttr commonAttributes; // structure for changing common voice attributes
SpuVoiceAttr voiceAttributes ; // structure for changing individual voice attributes
u_long vag_spu_address; // address allocated in memory for first sound file
// DEBUG : these allow printing values for debugging
u_long spu_start_address;
u_long get_start_addr;
u_long transSize;
// Memory management table ; allow MALLOC_MAX calls to SpuMalloc() - ibref47.pdf p.1044
char spu_malloc_rec[SPU_MALLOC_RECSIZ * (2 + MALLOC_MAX+1)];
// VAG files
// We're using GrumpyCoder's Nugget wrapper to compile the code with a modern GCC : https://github.com/grumpycoders/pcsx-redux/tree/main/src/mips/psyq
// To include binary files in the exe, add your VAG files to the SRCS variable in Makefile
// and in common.mk, add this rule to include *.vag files :
//
//~ %.o: %.vag
//~ $(PREFIX)-objcopy -I binary --set-section-alignment .data=4 --rename-section .data=.rodata,alloc,load,readonly,data,contents -O elf32-tradlittlemips -B mips $< $@
// hello_poly.vag - 44100 Khz
extern unsigned char _binary____VAG_hello_poly_vag_start[]; // filename must begin with _binary_ followed by the full path, with . and / replaced, and then suffixed with _ and end with _start[]; or end[];
extern unsigned char _binary____VAG_hello_poly_vag_end[]; // Going up one directory level is 4 '_' : ____ as ./ is replaced by __
// https://discord.com/channels/642647820683444236/663664210525290507/780866265077383189
void initGraph(void)
{
ResetGraph(0);
SetDefDispEnv(&disp[0], 0, 0, SCREENXRES, SCREENYRES);
SetDefDispEnv(&disp[1], 0, SCREENYRES, SCREENXRES, SCREENYRES);
SetDefDrawEnv(&draw[0], 0, SCREENYRES, SCREENXRES, SCREENYRES);
SetDefDrawEnv(&draw[1], 0, 0, SCREENXRES, SCREENYRES);
if (VMODE)
{
SetVideoMode(MODE_PAL);
disp[0].screen.y += 8;
disp[1].screen.y += 8;
}
SetDispMask(1); // Display on screen
setRGB0(&draw[0], 50, 50, 50);
setRGB0(&draw[1], 50, 50, 50);
draw[0].isbg = 1;
draw[1].isbg = 1;
PutDispEnv(&disp[db]);
PutDrawEnv(&draw[db]);
FntLoad(960, 0);
FntOpen(8, 60, 304, 200, 0, 500 );
}
void display(void)
{
DrawSync(0);
VSync(0);
PutDispEnv(&disp[db]);
PutDrawEnv(&draw[db]);
db = !db;
}
// Audio initialisation & functions
void initSnd(void){
SpuInitMalloc(MALLOC_MAX, spu_malloc_rec); // Maximum number of blocks, mem. management table address.
commonAttributes.mask = (SPU_COMMON_MVOLL | SPU_COMMON_MVOLR); // Mask which attributes to set
commonAttributes.mvol.left = 0x3fff; // Master volume left
commonAttributes.mvol.right = 0x3fff; // see libref47.pdf, p.1058
SpuSetCommonAttr(&commonAttributes); // set attributes
SpuSetIRQ(SPU_OFF);
}
u_long sendVAGtoRAM(unsigned int VAG_data_size, unsigned char *VAG_data){
u_long size;
SpuSetTransferMode(SpuTransByDMA); // DMA transfer; can do other processing during transfer
size = SpuWrite (VAG_data + sizeof(VAGhdr), VAG_data_size); // transfer VAG_data_size bytes from VAG_data address to sound buffer
SpuIsTransferCompleted (SPU_TRANSFER_WAIT); // Checks whether transfer is completed and waits for completion
return size;
}
void setVoiceAttr(unsigned int pitch, long channel, unsigned long soundAddr ){
voiceAttributes.mask= //~ Attributes (bit string, 1 bit per attribute)
(
SPU_VOICE_VOLL |
@ -188,74 +136,49 @@ void setVoiceAttr(unsigned int pitch, long channel, unsigned long soundAddr ){
SPU_VOICE_ADSR_RR |
SPU_VOICE_ADSR_SL
);
voiceAttributes.voice = channel; //~ Voice (low 24 bits are a bit string, 1 bit per voice )
voiceAttributes.volume.left = 0x1000; //~ Volume
voiceAttributes.volume.right = 0x1000; //~ Volume
voiceAttributes.pitch = pitch; //~ Interval (set pitch)
voiceAttributes.addr = soundAddr; //~ Waveform data start address
voiceAttributes.a_mode = SPU_VOICE_LINEARIncN; //~ Attack rate mode = Linear Increase - see libref47.pdf p.1091
voiceAttributes.s_mode = SPU_VOICE_LINEARIncN; //~ Sustain rate mode = Linear Increase
voiceAttributes.r_mode = SPU_VOICE_LINEARDecN; //~ Release rate mode = Linear Decrease
voiceAttributes.ar = 0x0; //~ Attack rate
voiceAttributes.dr = 0x0; //~ Decay rate
voiceAttributes.rr = 0x0; //~ Release rate
voiceAttributes.sr = 0x0; //~ Sustain rate
voiceAttributes.sl = 0xf; //~ Sustain level
SpuSetVoiceAttr(&voiceAttributes); // set attributes
}
void playSFX(void){
SpuSetKey(SpuOn,SPU_0CH); // Set several channels by ORing each channel bit ; ex : SpuSetKey(SpuOn,SPU_0CH | SPU_3CH | SPU_8CH); channels 0, 3, 8 are on.
}
int main(void)
{
short counter = 0;
const VAGhdr * VAGfileHeader = (VAGhdr *) _binary____VAG_hello_poly_vag_start; // get header of VAG file
// From libover47.pdf :
// The sampling frequency of the original audio file can be used to determine the pitch
// at which to play the VAG. pitch = (sampling frequency << 12)/44100L
// Ex: 44.1kHz=0x1000 22.05kHz=0x800 etc
unsigned int pitch = (SWAP_ENDIAN32(VAGfileHeader->samplingFrequency) << 12) / 44100L;
SpuInit(); // Initialize SPU. Called only once.
initSnd();
//~ // First VAG
vag_spu_address = SpuMalloc(SWAP_ENDIAN32(VAGfileHeader->dataSize)); // Allocate an area of dataSize bytes in the sound buffer.
spu_start_address = SpuSetTransferStartAddr(vag_spu_address); // Sets a starting address in the sound buffer
get_start_addr = SpuGetTransferStartAddr(); // SpuGetTransferStartAddr() returns current sound buffer transfer start address.
transSize = sendVAGtoRAM(SWAP_ENDIAN32(VAGfileHeader->dataSize), _binary____VAG_hello_poly_vag_start);
// set VAG to channel
setVoiceAttr(pitch, SPU_0CH, vag_spu_address);
initGraph();
while (1)
{
if(!counter){
playSFX();
counter = 180;
}
FntPrint("\nPitch : %08x-%dKhz", pitch, (SWAP_ENDIAN32(VAGfileHeader->samplingFrequency)) );
FntPrint("\nSet Start addr : %08x", vag_spu_address);
FntPrint("\nReturn start addr : %08x", spu_start_address);
@ -263,13 +186,9 @@ int main(void)
FntPrint("\nSend size : %08x", SWAP_ENDIAN32(VAGfileHeader->dataSize));
FntPrint("\nReturn size : %08x\n", transSize);
FntPrint("\nCounter : %d\n", counter);
FntFlush(-1);
counter --;
display();
}
return 0;
}

27
hello_world/hello_world.c
View File

@ -1,87 +1,60 @@
// Demonstrate DISP/DRAW env, font setup, and display a text.
// Schnappy 2020
// Based on Lameguy64 tutorial : http://lameguy64.net/svn/pstutorials/chapter1/1-display.html
#include <sys/types.h>
#include <stdio.h>
#include <libgte.h>
#include <libetc.h>
#include <libgpu.h>
#define VMODE 0 // Video Mode : 0 : NTSC, 1: PAL
#define SCREENXRES 320 // Screen width
#define SCREENYRES 240 // Screen height
#define CENTERX SCREENXRES/2 // Center of screen on x
#define CENTERY SCREENYRES/2 // Center of screen on y
#define MARGINX 0 // margins for text display
#define MARGINY 32
#define FONTSIZE 8 * 7 // Text Field Height
DISPENV disp[2]; // Double buffered DISPENV and DRAWENV
DRAWENV draw[2];
short db = 0; // index of which buffer is used, values 0, 1
void init(void)
{
ResetGraph(0); // Initialize drawing engine with a complete reset (0)
SetDefDispEnv(&disp[0], 0, 0 , SCREENXRES, SCREENYRES); // Set display area for both &disp[0] and &disp[1]
SetDefDispEnv(&disp[1], 0, SCREENYRES, SCREENXRES, SCREENYRES); // &disp[0] is on top of &disp[1]
SetDefDrawEnv(&draw[0], 0, SCREENYRES, SCREENXRES, SCREENYRES); // Set draw for both &draw[0] and &draw[1]
SetDefDrawEnv(&draw[1], 0, 0 , SCREENXRES, SCREENYRES); // &draw[0] is below &draw[1]
if (VMODE) // PAL
{
SetVideoMode(MODE_PAL);
disp[0].screen.y += 8; // add offset : 240 + 8 + 8 = 256
disp[1].screen.y += 8;
}
SetDispMask(1); // Display on screen
setRGB0(&draw[0], 50, 50, 50); // set color for first draw area
setRGB0(&draw[1], 50, 50, 50); // set color for second draw area
draw[0].isbg = 1; // set mask for draw areas. 1 means repainting the area with the RGB color each frame
draw[1].isbg = 1;
PutDispEnv(&disp[db]); // set the disp and draw environnments
PutDrawEnv(&draw[db]);
FntLoad(960, 0); // Load font to vram at 960,0(+128)
FntOpen(MARGINX, SCREENYRES - MARGINY - FONTSIZE, SCREENXRES - MARGINX * 2, FONTSIZE, 0, 280 ); // FntOpen(x, y, width, height, black_bg, max. nbr. chars
}
void display(void)
{
DrawSync(0); // Wait for all drawing to terminate
VSync(0); // Wait for the next vertical blank
PutDispEnv(&disp[db]); // set alternate disp and draw environnments
PutDrawEnv(&draw[db]);
db = !db; // flip db value (0 or 1)
}
int main(void)
{
init(); // execute init()
while (1) // infinite loop
{
FntPrint("Hello world !"); // Send string to print stream
FntFlush(-1); // Draw printe stream
display(); // Execute display()
}
return 0;