/* ============================================================================
* CycleDevice: Advances the state of the device by one MasterClock cycle.
* ========================================================================= */
void
CycleDevice(struct CEN64Device *device) {
CycleAIF(device->aif);
CycleVIF(device->vif);
CycleRSP(device->rsp);
CycleVR4300(device->vr4300);
CycleAIF(device->aif);
CycleVIF(device->vif);
CycleRSP(device->rsp);
CycleVR4300(device->vr4300);
CycleVR4300(device->vr4300);
}
/* Entry point. */
int main(int argc, const char *argv[]) {
FILE *rspUCodeFile;
struct RSP *rsp;
size_t total, size;
long i, cycles;
if (argc != 3) {
printf("Usage: %s <uCode> <Cycles>\n", argv[0]);
return 0;
}
/* Open the uCode file, create an RSP instance. */
if ((rspUCodeFile = fopen(argv[1], "rb")) == NULL) {
printf("Failed to open RSP uCode.\n");
return 1;
}
if ((rsp = CreateRSP()) == NULL) {
printf("Failed to initialize the RSP.\n");
fclose(rspUCodeFile);
return 2;
}
/* Read the uCode into the RSP. */
for (size = 0, total = 0; total < 4096; total += size) {
size = fread(rsp->imem + total, 1, 4096 - total, rspUCodeFile);
if (ferror(rspUCodeFile)) {
printf("Unable to read the uCode file.\n");
fclose(rspUCodeFile);
DestroyRSP(rsp);
return 3;
}
}
/* Read the uCode into the RSP. */
for (size = 0, total = 0; total < 4096; total += size) {
size = fread(rsp->dmem + total, 1, 4096 - total, rspUCodeFile);
if (ferror(rspUCodeFile)) {
printf("Unable to read the uCode file.\n");
fclose(rspUCodeFile);
DestroyRSP(rsp);
return 3;
}
}
fclose(rspUCodeFile);
cycles = strtol(argv[2], NULL, 10);
printf("Running RSP for %ld cycles.\n", cycles);
rsp->cp0.regs[SP_STATUS_REG] = 0; /* Unhalt. */
for (i = 0; i < cycles; i++)
CycleRSP(rsp);
RSPDumpRegisters(rsp);
return 0;
}