int BIOS386_Int10(struct CPU386 * cpu){
struct Video * video = cpu->machine->video;
switch(cpu->ah){
case 0x0E:{
unsigned char * data = Memory_GetAddress(&cpu->machine->memory, 0xB8000);
if(cpu->al==10){
video->cursor.row++;
}else if(cpu->al==13){
video->cursor.column = 0;
}else{
data[video->cursor.column * 2 + video->cursor.row * video->source.scanline + 0] = cpu->al;
data[video->cursor.column * 2 + video->cursor.row * video->source.scanline + 1] = cpu->bl;
video->cursor.column++;
}
if(video->cursor.column >= video->source.width){
video->cursor.column = 0;
video->cursor.row++;
}
if(video->cursor.row >= video->source.height){
video->cursor.row = 0;
}
return 0;
}break;
}
return 1;
}
void BIOS386_Load(struct CPU386 * cpu){
struct Machine * machine = cpu->machine;
unsigned char * bootcode = Memory_GetAddress(&machine->memory, 0x7C00);
if(machine->floppy){
fseek(machine->floppy, 0, SEEK_SET);
fread(bootcode, 1, 512, machine->floppy);
if(bootcode[0x1FE]==0x55 && bootcode[0x1FF]==0xAA){
cpu->eip = 0x7C00;
return;
}
}
printf("No bootable media found\n");
}
void x86_Dos_Load(struct x86_CPU * cpu, const char * file){
struct Machine * machine = cpu->machine;
FILE * f = fopen(file, "rb");
if(f){
unsigned char * comfile = Memory_GetAddress(&machine->memory, 0x100);
fseek(f, 0, SEEK_END);
long size = ftell(f);
fseek(f, 0, SEEK_SET);
fread(comfile, 1, size, f);
fclose(f);
cpu->eip = 0x100;
return;
}
printf("Failed to open COM file\n");
}
