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hide debug msgs

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Nicholas Orlowsky 2023-08-31 18:26:49 -04:00
parent 8ea35b725e
commit 2f88a50761
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GPG key ID: 24C84C4DDAD95065
1 changed files with 7 additions and 30 deletions
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37
main.c
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@ -114,8 +114,9 @@ void instr_SE(struct emu_state *emulator_state) {
emulator_state->registers[reg]; emulator_state->registers[reg];
uint8_t byte_val = emulator_state->opcode & 0x00FFU; uint8_t byte_val = emulator_state->opcode & 0x00FFU;
#ifndef NDEBUG
printf("SE R[%#x] %d (reg_val: %d, skip?: %d)\n", reg, byte_val, register_val, register_val == byte_val); printf("SE R[%#x] %d (reg_val: %d, skip?: %d)\n", reg, byte_val, register_val, register_val == byte_val);
#endif
if (byte_val == register_val) { if (byte_val == register_val) {
emulator_state->program_counter += 2; emulator_state->program_counter += 2;
@ -175,7 +176,9 @@ void instr_ADD(struct emu_state *emulator_state) {
uint8_t reg = (emulator_state->opcode & 0x0F00U) >> 8; uint8_t reg = (emulator_state->opcode & 0x0F00U) >> 8;
uint8_t num = emulator_state->opcode & 0x00FFU; uint8_t num = emulator_state->opcode & 0x00FFU;
#ifndef NDEBUG
printf("ADD R[%#x] %d (was: %d, now: %d)\n", reg, num, emulator_state->registers[reg], emulator_state->registers[reg] + num); printf("ADD R[%#x] %d (was: %d, now: %d)\n", reg, num, emulator_state->registers[reg], emulator_state->registers[reg] + num);
#endif
emulator_state->registers[reg] += num; emulator_state->registers[reg] += num;
emulator_state->program_counter += 2; emulator_state->program_counter += 2;
@ -328,6 +331,7 @@ void instr_DRW(struct emu_state *emulator_state) {
} }
void *get_op_func(uint16_t opcode) { void *get_op_func(uint16_t opcode) {
// TODO: Move to lookup table
if (opcode == 0x00E0U) { if (opcode == 0x00E0U) {
return &instr_CLS; return &instr_CLS;
} else if (opcode == 0x00EEU) { } else if (opcode == 0x00EEU) {
@ -387,33 +391,6 @@ void *get_op_func(uint16_t opcode) {
return NULL; return NULL;
} }
char* get_instr_name(void* function) {
if (function == &instr_CLS) {
return "CLS";
} else if (function == &instr_RET) {
return "RET";
} else if (function == &instr_JP) {
return "JP";
} else if (function == &instr_CALL) {
return "CALL";
} else if (function == &instr_SE) {
return "SE";
} else if (function == &instr_LD_I) {
return "LD_I";
} else if (function == &instr_LD) {
return "LD";
} else if (function == &instr_ADD) {
return "ADD";
} else if (function == &instr_DRW) {
return "DRW";
} else if (function == &instr_AND_reg) {
return "AND_reg";
} else {
return "UNKNOWN"; // Handle unknown instructions
}
}
int main(int argc, char *argv[]) { int main(int argc, char *argv[]) {
struct emu_state state; struct emu_state state;
load_rom(argv[1], &state); load_rom(argv[1], &state);
@ -435,14 +412,14 @@ int main(int argc, char *argv[]) {
(uint16_t)state.memory[state.program_counter + 1]; (uint16_t)state.memory[state.program_counter + 1];
void (*op_func)(struct emu_state *) = get_op_func(state.opcode); void (*op_func)(struct emu_state *) = get_op_func(state.opcode);
printf("\n[%d] | PC: %#x / OPCODE: %#x (%s) - ", i, state.program_counter, state.opcode, get_instr_name(op_func)); printf("\n[%d] | PC: %#x / OPCODE: %#x (%s) \n", i, state.program_counter, state.opcode, get_instr_name(op_func));
if (op_func == NULL) { if (op_func == NULL) {
printf("Illegal Instruction.\n"); printf("Illegal Instruction.\n");
return 1; return 1;
} }
op_func(&state);
op_func(&state);
SDL_UpdateTexture(texture, NULL, state.screen, sizeof(state.screen[0]) * SCREEN_WIDTH); SDL_UpdateTexture(texture, NULL, state.screen, sizeof(state.screen[0]) * SCREEN_WIDTH);
SDL_RenderClear(renderer); SDL_RenderClear(renderer);