int main(int argc, char *argv[])
{
char* filename;
s32 ret;
mipsCpu* cpu;
printf("greenLeaf 0.1\n");
printf("mips emulator by The Lemon Man and SquidMan\n");
if(argc < 2) { /* No arguments passed. */
filename = calloc(5, 1);
sprintf(filename, "test/mmon");
}else{
filename = calloc(strlen(argv[1]) + 1, 1);
sprintf(filename, argv[1]);
}
#ifdef DEBUG
printf("Debug mode enabled\n");
#endif
printf("Initializing the CPU core...\n");
cpu = initializeCPU(ENDIANNESS_LE, 0x80000000);
printf("Mapping the ram...\n");
printf("Main memory %d\n", mapMemory(cpu, 0x80000000, 0x40000, FLAG_RAM));
printf("Reset vector %d\n", mapMemory(cpu, 0xBFC00000, 0x40000, FLAG_RAM));
printf("Additional mem %d\n", mapMemory(cpu, 0xA0000010, 0x2000, FLAG_RAM));
// ret = openRaw(cpu, filename, 0xBFC00000);
ret = openElf32(cpu, filename);
printf("Entry %#x\n", (u32)ret);
printf("Uart %i\n", setupUart(cpu, 0xB40003f8));
setPC(cpu, ret);
printf("Press enter to run a tick and print the registers...\n");
printf("Press enter to continue.\n");
for(;;) {
#ifdef TICK_AT_A_TIME
fgetc(stdin);
#endif
runProcessor(cpu, 1); /* Run a single cycle at a time */
//~ printRegisters(cpu);
}
printf("Execution finished... unmapping the ram\n");
unmapMemory(cpu);
free(filename);
return 1;
}
int main(int argc, char *argv[]) {
// A201860038A00798E903A818A9028501A60165008501860088D0F5
// const char program[] = { 0xC8, 0x20, 0x00, 0x00 };
// const char program[] = { 0xA2, 0x01, 0x86, 0x00, 0x38, 0xA0, 0x07, 0x98, 0xE9, 0x03, 0xA8, 0x18, 0xA9, 0x02, 0x85, 0x01, 0xA6, 0x01, 0x65, 0x00, 0x85, 0x01, 0x86, 0x00, 0x88, 0xD0, 0xF5 };
if(argc != 2) {
printf("Usage: %s program \n", argv[0]);
return -1;
}
char *program;
int program_length = readFileBytes(argv[1], &program);
printf("Program (%i bytes): \n", program_length);
int i;
for(i = 0; i < program_length; i++) {
printf("%i:%02X ", i, (unsigned char)program[i]);
}
printf("\n");
CPU cpu;
initializeCPU(&cpu);
cpu.pc = 0x4000;
writeMemory(&cpu, program, cpu.pc, program_length);
// cpu.pc += 559; // 700 // 799
// cpu.pc += 799; // test 06
// cpu.pc += 1192; // test 09
// char *buf = malloc(sizeof(char) * 2);
// buf[0] = 0xC0;
// buf[1] = 0x01;
// writeMemory(&cpu, buf, 0x0105, 2);
// cpu.ps = 0x1;
// cpu.a = 0x7;
// cpu.x = 0x2;
// cpu.y = 0x3;
// char *buf2 = malloc(sizeof(char) * 2);
// buf2[0] = 0x08;
// buf2[1] = 0xEE;
// writeMemory(&cpu, buf2, 0x0105, 2);
// printf("cpu->ps: %i\n", cpu.ps);
// printf("cpu->sp: %i\n", cpu.sp);
char str[1];
// int i;
for(;;) {
printf("cpu->pc: %i\n", cpu.pc);
// scanf("%s", str);
step(&cpu);
printMemory(&cpu);
printf("\n\n\n");
printf("cpu->sp: %x\n", cpu.sp);
printf("cpu->a: %x\n", cpu.a);
printf("cpu->x: %x\n", cpu.x);
printf("cpu->y: %x\n", cpu.y);
printf("cpu->ps: %x\n\n", cpu.ps);
if(cpu.pc == 17825) {
break;
}
}
printMemory(&cpu);
printf("### results:\n");
printf("cpu->sp: %x\n", cpu.sp);
printf("cpu->a: %x\n", cpu.a);
printf("cpu->x: %x\n", cpu.x);
printf("cpu->y: %x\n", cpu.y);
printf("cpu->ps: %x\n", cpu.ps);
printf("cpu->cycles: %i\n", cpu.cycles);
// printf("%s\n", );
// printbitssimple(cpu.ps);
printf("MEMORY 9: %x\n", *cpu.memory[0x80]);
printf("MEMORY final: %x\n", *cpu.memory[0x0210]);
freeCPU(&cpu);
return 0;
}
int main(int argc, const char* argv[]) {
initializeMemory();
initializeCPU();
mainLoop();
}