diff options
| author | Manuel Palenzuela <manuelpalenzuelamerino@gmail.com> | 2021-07-19 17:17:05 +0100 |
|---|---|---|
| committer | Manuel Palenzuela <manuelpalenzuelamerino@gmail.com> | 2021-07-19 17:17:05 +0100 |
| commit | 63dd156d873bb96eeaa19b78f9baccacf2f977fd (patch) | |
| tree | a0dc1c223550e3b33fc2c90c6f555fce789bdfc7 | |
| parent | Feature: Implemented instructions to run the logo rom (diff) | |
| download | CHIP8-Emulator-63dd156d873bb96eeaa19b78f9baccacf2f977fd.tar.gz CHIP8-Emulator-63dd156d873bb96eeaa19b78f9baccacf2f977fd.tar.bz2 CHIP8-Emulator-63dd156d873bb96eeaa19b78f9baccacf2f977fd.zip | |
Misc: Added the dbgprintf() macro
| -rw-r--r-- | Makefile | 4 | ||||
| -rw-r--r-- | config.h | 6 | ||||
| -rw-r--r-- | emulator.c | 19 | ||||
| -rw-r--r-- | main.c | 7 |
4 files changed, 18 insertions, 18 deletions
diff --git a/Makefile b/Makefile index d13a7ff..17f9717 100644 --- a/Makefile +++ b/Makefile @@ -1,5 +1,5 @@ -CC=cc -CFLAGS=-g -Wall -I. +CC=egcc +CFLAGS=-std=c99 -g -Wall -I. all: chip8_emulator diff --git a/config.h b/config.h index dc5778a..a0d6073 100644 --- a/config.h +++ b/config.h @@ -1,8 +1,14 @@ #ifndef _CONFIG_H_ #define _CONFIG_H_ +#define DEBUG 1 + #define INSTRUCTIONS_PER_SECOND 700 #define GAME_LOAD_LOCATION 0x200 #define FONT_LOAD_LOCATION 0x50 + +#define dbgprintf(fmt, ...) \ + do { if(DEBUG) fprintf (stdout, fmt, ##__VA_ARGS__); } while(0) + #endif diff --git a/emulator.c b/emulator.c index 5962dc1..94cd3d8 100644 --- a/emulator.c +++ b/emulator.c @@ -72,8 +72,8 @@ int emulator_tick(Emulator* emulator) uint8_t NN = (instr & 0x00FF); //second_byte uint16_t NNN = (instr & 0x0FFF); //last three nibbles - printf("instr: 0x%x\n", instr); - printf("A: 0x%x\nX: 0x%x\nY: 0x%x\nN: 0x%x\nNN: 0x%x\nNNN: 0x%x\n", first_nibble, X, Y, N, NN, NNN); + dbgprintf("instr: 0x%x\n", instr); + dbgprintf("A: 0x%x\nX: 0x%x\nY: 0x%x\nN: 0x%x\nNN: 0x%x\nNNN: 0x%x\n", first_nibble, X, Y, N, NN, NNN); switch(first_nibble) { @@ -81,15 +81,16 @@ int emulator_tick(Emulator* emulator) switch(NNN) { case 0x000: + emulator_dump_registers(emulator); exit(1); //stop executing when program over case 0x0E0: //00E0: Clear screen - printf("CLEAR SCREEN!\n"); + dbgprintf("CLEAR SCREEN!\n"); break; } break; case 0x1: - printf("JUMP! (0x%x)\n", NNN); + dbgprintf("JUMP! (0x%x)\n", NNN); emulator->pc = NNN; break; case 0x2: @@ -101,17 +102,17 @@ int emulator_tick(Emulator* emulator) case 0x5: break; case 0x6: - printf("SET REGISTER VX! (0x%x)\n", NN); + dbgprintf("SET REGISTER VX! (0x%x)\n", NN); emulator->regs.V[X] = NN; break; case 0x7: - printf("ADD VALUE TO REGISTER VX! (0x%x)\n", NN); + dbgprintf("ADD VALUE TO REGISTER VX! (0x%x)\n", NN); emulator->regs.V[X] += NN; break; case 0x8: break; case 0xA: - printf("SET INDEX REGISTER I! (0x%x)\n", NNN); + dbgprintf("SET INDEX REGISTER I! (0x%x)\n", NNN); emulator->regs.I = NNN; break; case 0xB: @@ -119,7 +120,7 @@ int emulator_tick(Emulator* emulator) case 0xC: break; case 0xD: - printf("DRAW!\n"); + dbgprintf("DRAW!\n"); break; case 0xE: break; @@ -127,7 +128,7 @@ int emulator_tick(Emulator* emulator) break; } - putchar('\n'); + dbgprintf("\n"); return 0; } diff --git a/main.c b/main.c index 94e4a95..b97ab9f 100644 --- a/main.c +++ b/main.c @@ -23,13 +23,6 @@ int main(int argc, char** argv) printf("Hello brother!\n"); - /*for(int i = 0; i < sizeof(emulator.memory); ++i) - { - printf("0x%x ", emulator.memory[i]); - } - - putchar('\n');*/ - while(emulator.is_on == 1) { emulator_tick(&emulator); |