Improvements with nasm preproc

boot/loader/io/ata.asm

@@ -34,7 +34,7 @@
 ;; GLOBAL DATA
 
 Bootdrv         db  0
-end             db "[End of Sector]", 0x0A, 0x0D, 0x0
+ended           db  "[End of Sector]", 0x0A, 0x0A, 0x0D, 0x0
 buffer:         times 513 db "_"
 
 ;; TEXT
@@ -124,12 +124,19 @@ still_going:
     mov dx, 0x1f0                            ; Data port - data comes in and out of here.
     rep insw
     pop rdi
+%ifdef DEBUG
     mov bl, 0x0F
     mov esi, buffer
     call dump
     mov bl, 0x0A
-    mov esi, end
+    mov esi, ended
     call write
+    add qword [NextTRAM], 120                ; Cursor moving : 1120 = 80 * 2 * 7 lignes
+%else
+    mov bl, 0x0A
+    mov esi, Pass
+    call write
+%endif
     pop rdx
     pop rcx
     pop rbx

boot/loader/io/lmterm.asm

@@ -93,9 +93,9 @@ write:
 
 dump:
 ;-----------------------------------------------------------------------;
-; x64/LM Dump Printing Functions                                        ;
+; x64/LM Dump 512 bytes of a buffer                                     ;
 ; bl  : color code                                                      ;
-; esi : string address                                                  ;
+; esi : buffer address                                                  ;
 ;-----------------------------------------------------------------------;
     mov  edi, [NextTRAM]                    ; TRAM ADDRESS
     push rsi
@@ -107,10 +107,9 @@ dump:
     stosb                                   ; text subpixel
     mov al, bl
     stosb                                   ; color subpixel
-    add qword [NextTRAM], 0x2               ; Cursor moving
-    add qword [VGA_X], 0x2                  ; coord + 2 because 2 subpixels
     loop .pLoop
     pop rcx
     pop rdi
     pop rsi
+    add qword [NextTRAM], 1000              ; Cursor moving : 1120 = 80 * 2 * 7 lignes
     ret

boot/loader/loader.asm

@@ -8,6 +8,8 @@
 ;                   (x86_64 architecture only)                                 ;
 ;=----------------------------------------------------------------------------=;
 
+%define DEBUG
+
 [BITS 16]
 [ORG 0x1000]
 
@@ -161,18 +163,23 @@ main32:
 [BITS 64]
 
 ;; DATA
-Init            db  "Booting OS/K !", 0x0D, 0x0A, 0x0D, 0x0A, 0x09, " Checking CPUID...",0
+    Init            db  "Booting OS/K !", 0x0D, 0x0A, 0x0D, 0x0A, 0x09, " Checking CPUID...",0
-CPUIDD          db  0x09, " Checking CPUID...", 0
+    CPUIDD          db  0x09, " Checking CPUID...", 0
-EnA20           db  0x09, " Enabling A20 line...", 0
+    EnA20           db  0x09, " Enabling A20 line...", 0
-ReadAttempt     db  0x09, " Attempt to read a sector with ATA commands...", 0x0A, 0x0D, 0x0A, 0x0D,0
+%ifdef DEBUG
-txt             db  0x09, " Switching to Long Mode... ", 0
+    ReadAttempt     db  0x09, " Attempt to read a sector with ATA commands...", 0x0A, 0x0D, 0x0A, 0x0D, 0
-Reinit          db  "Booting OS/K !", 0x0D, 0x0A, 0x0D, 0x0A, 0
+%else
-Pass            db  " OK", 0x0A, 0x0D, 0
+    ReadAttempt     db  0x09, " Attempt to read a sector with ATA commands...", 0
-Fail            db  " FAIL!", 0x0A, 0x0D, 0
+%endif
-msg             db  "The system is now in x64 mode. Is this not beautiful ?", 0x0A, 0x0D, 0
+    txt             db  0x09, " Switching to Long Mode... ", 0
-FileNotFound    db  "Second Stage Error : The Kernel was not found.", 0x0A, 0x0D, 0
+    EndOfLoader     db  "End of loader.bin. System will halt !", 0x0A, 0x0D, 0
-DiskError       db  "Second Stage Error : The Disk has crashed.", 0x0A, 0x0D, 0
+    Reinit          db  "Booting OS/K !", 0x0D, 0x0A, 0x0D, 0x0A, 0
-filename        db  "KERNEL  BIN"
+    Pass            db  " OK", 0x0A, 0x0D, 0
+    Fail            db  " FAIL!", 0x0A, 0x0D, 0
+    msg             db  "The system is now in x64 mode. Is this not beautiful ?", 0x0A, 0x0D, 0
+    FileNotFound    db  "Second Stage Error : The Kernel was not found.", 0x0A, 0x0D, 0
+    DiskError       db  "Second Stage Error : The Disk has crashed.", 0x0A, 0x0D, 0
+    filename        db  "KERNEL  BIN"
 
 %include "boot/loader/io/lmmem.asm"
 %include "boot/loader/io/lmterm.asm"
@@ -229,10 +236,9 @@ main64:
     mov bh, 1
     call ata_read
 
-    call bitemporize                           ; Temporized because the ATA drive must be ready
+    mov bl, 0x0D
+    mov esi, EndOfLoader
+    call write
 
     jmp Die
 
-    ; times 1024 nop
-    ; XXX ;
-    ;   It seems impossible to have an executable > 2.0 kB...