58 lines
2.3 KiB
C
58 lines
2.3 KiB
C
#include <pcdrv.h>
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int waitForSIODone( int * flag ){
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// This should wait for a signal from the SIO to tell when it's done
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// Returns val < 0 if wrong
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uint timeOut = 1000;
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int result = 0;
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for ( uint t = 0; t < timeOut; t ++){
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if ( * flag == 1 ){
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result = * flag;
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break;
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}
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}
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return result;
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};
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void PCload( u_long * loadAddress, u_short * flagAddress, const char * filename ) {
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// Send filename , load address, and flag address
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// flag address points to an int16 that when set to 1 enable lvl/pointers/screen refresh
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// Returns 1 if all good, 0 else
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//~ int flag = 0;
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printf("load:%08x:%08x:%s", loadAddress, flagAddress, filename);
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//~ return ; // If all is well, returns a positive int . If -1, wrong
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};
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//~ int PCopen(const char * filename, int attributes) {
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//~ // Send filename and attributes (ro,wo,rw..)
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//~ // expects an int referring to a file descriptor on the PC
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//~ int fd = 0; // File Descriptor https://en.wikipedia.org/wiki/File_descriptor
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//~ printf("open:%s:%i:%08x", filename, attributes, &fd);
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//~ waitForSIODone(0);
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//~ return fd; // If all is well, returns a positive int . If -1, wrong
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//~ };
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//~ int PCcreate(const char * filename, int attributes) {
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//~ // Send filename and attributes (ro,wo,rw..)
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//~ // expects an int referring to a file descriptor on the PC
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//~ int fd = 0; // File Descriptor https://en.wikipedia.org/wiki/File_descriptor
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//~ printf("create:%s:%i:%08x", filename, attributes, &fd);
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//~ waitForSIODone(5); // Should return int fd, -1 else
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//~ return fd; // If all is well, returns a positive int . If -1, wrong
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//~ };
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//~ int PCclose( int fd ) {
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//~ // Send the close command and fd as int
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//~ printf("close:%d", fd);
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//~ return waitForSIODone(1); // Should return 1 if ok, 0 if wrong, or -1 if wrong ?
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//~ };
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//~ int PCseek( int fd, int offset, int accessMode){
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//~ // Move file pointer in fd at offset
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//~ // Access mode can be 0 abs, 1 rel to start, 2 rel to end
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//~ printf("seek:%i:%08x:%i", fd, offset, accessMode);
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//~ return waitForSIODone(2);
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//~ };
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//~ int PCread( int fd, int len, char * buffer ){
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//~ // Read len bytes of fd and put them in buff
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//~ int count = 0;
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//~ printf("read:%i:%08x:%i", fd, len, buffer, count);
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//~ waitForSIODone(3);
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//~ return count;
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//~ };
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