Added on-screen info rendering
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0xmac
parent
f1ff0606e7
commit
f99d710a8b
112
src/main.c
112
src/main.c
@ -1,3 +1,4 @@
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#include <SDL2/SDL_render.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <stdlib.h>
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@ -25,19 +26,23 @@ uint8_t halt = 0;
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uint8_t showHelp = 0;
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uint8_t showDebug = 0;
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uint8_t fpsCount = 0;
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uint8_t displayMmap = 0;
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uint8_t documentReload = 0;
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uint8_t fpsStore;
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uint8_t fpsStore = 60;
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uint8_t FPS = 30;
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uint8_t cpuHealth;
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unsigned long cpuTicks = 0;
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unsigned long tickTrigger = 0;
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unsigned long renderTrigger = 0;
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char debugString[255];
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char debugString[512];
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char snapshotFile[32];
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char *inputFile;
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int openFile(const char *inputFile){
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int openFile(){
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FILE *file = fopen(inputFile, "rb");
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int retCode = 0;
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@ -60,32 +65,23 @@ void resetSystem(){
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reset6502();
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}
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void writeHelp(int type){
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if (!type) printf(HELP);
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else printf(HELPKEYS);
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exit(EXIT_SUCCESS);
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}
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void writePreamble() {
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printf(PREAMBLE);
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}
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void fetchArgs(int argc, char *argv[]){
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writePreamble();
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printf(PREAMBLE);
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for (int i = 1; i < argc; i++) {
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if (!strcmp(argv[i], "--help")) writeHelp(0);
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else if (!strcmp(argv[i], "--help-keys")) writeHelp(1);
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if (!strcmp(argv[i], "--help")) printf(HELP);
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else if (!strcmp(argv[i], "--help-keys")) printf(HELPKEYS);
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else if (!strcmp(argv[i], "--cpuspeed")) cpuSpeed = atoi(argv[++i]);
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else if (!strcmp(argv[i], "--scale")) displayScale = atof(argv[++i]);
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else if (!strcmp(argv[i], "--singlestep")) singleStep = 1;
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else if (!strcmp(argv[i], "--clocksteps")) clockSteps = atoi(argv[++i]);
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//else if (!strcmp(argv[i], "--snapshot")) snapshotFile = &argv[i];
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else if (!strcmp(argv[i], "--fps")) FPS = atoi(argv[++i]);
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else if (!strcmp(argv[i], "--enable-reload")) documentReload = 1;
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else {
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if (openFile(argv[i])){
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printf("Unknown parameter or file '%s'\nTry '--help' for help\n", argv[i]);
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inputFile = argv[i];
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if (openFile()){
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printf("%s: Unknown parameter or file '%s'\nTry '--help' for help\n", argv[0], argv[i]);
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exit(EXIT_FAILURE);
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}
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}
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@ -100,48 +96,80 @@ int main(int argc, char *argv[]){
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resetSystem();
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while (1){
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SDL_Delay(32);
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SDL_Delay(1000.f / FPS);
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pollEvents();
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fpsCount++;
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fpsCount++;
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updateVideo();
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if (!singleStep && !halt){
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for (int i = 0; i < (cpuSpeed / FPS) * 2; i++) {
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for (int i = 0; i < ((float)cpuSpeed / (float)fpsStore); i++) {
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step6502();
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cpuTicks++;
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}
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irq6502();
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}
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if ((unsigned)time(NULL) != tickTrigger){
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tickTrigger = (unsigned)time(NULL);
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cpuHealth = (uint8_t)((cpuTicks / (float)cpuSpeed) * 100.);
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cpuTicks = 0;
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fpsStore = fpsCount;
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fpsCount = 0;
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fpsStore = fpsCount; fpsCount = 0;
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/* Refresh entire video buffer */
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videoModified = 1;
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}
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/* Redraw entire screen every X seconds */
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//if ((unsigned)time(NULL) > renderTrigger + 0){
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renderTrigger = (unsigned)time(NULL);
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uint16_t vStack = 16;
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if (halt) {
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drawString("!CPU Haltet!", renderMemory,
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SDL_X_SIZE, 0x000000FF, time(NULL) % 2 ? 0xAAAAAAFF : 0xFFFFFFFF, 16, vStack, 2);
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if (SDL_UpdateTexture(texture, NULL, renderMemory, (sizeof(uint32_t) * SDL_X_SIZE))) {
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fprintf(stderr, "Could not update SDL texture: %s.\n", SDL_GetError());
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exit(EXIT_FAILURE);
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}
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if (SDL_RenderCopy(renderer, texture, NULL, NULL)) {
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fprintf(stderr, "Could not display SDL texture: %s.\n", SDL_GetError());
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exit(EXIT_FAILURE);
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}
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SDL_RenderPresent(renderer);
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//}
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vStack += (FONT_HEIGHT * 2 * 2);
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} if (showDebug){
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sprintf(debugString, "LOADED BINARY: \"%s\"\nSCREENSIZE: %dx%d\nFPS: %d\nSCALE: %d", inputFile, SDL_X_SIZE, SDL_Y_SIZE, fpsStore, (int)displayScale);
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drawString(debugString, renderMemory,
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SDL_X_SIZE, 0x000000FF, 0xAAAAAAFF, 16, vStack, 2);
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vStack += (FONT_HEIGHT * 4 * 2);
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sprintf(debugString, "CPU: %d%%", cpuHealth);
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drawString(debugString, renderMemory,
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SDL_X_SIZE, 0x000000FF, time(NULL) % 2 ? 0xAAAAAAFF : cpuHealth < 10 ?
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0xFF0000FF : cpuHealth < 50 ? 0xFFFF00FF : 0xAAAAAAFF, 16, vStack, 2);
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vStack += (FONT_HEIGHT * 2 * 2);
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} if (displayMmap){
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sprintf(debugString, "RAM: $%04X - $%04X\nROM: $%04X - $%04X\nVIAADDRS: $%04X\nKBDADDRS: $%04X\nVIDADDRS: $%04X", RAMLOC, RAMLOC + RAMSIZE, ROMLOC, ROMLOC + ROMSIZE, VIAADDRS, KBDADDRS, VIDADDRS);
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drawString(debugString, renderMemory, SDL_X_SIZE, 0x000000FF, 0xAAAAAAFF, 16, vStack, 2);
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vStack += (FONT_HEIGHT * 6 * 2);
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} if (showHelp) {
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drawString(HELPKEYS, renderMemory, SDL_X_SIZE, 0x000000FF, 0xAAAAAAFF, 16, vStack, 2);
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vStack += (FONT_HEIGHT * 2 * 2);
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}
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if (SDL_UpdateTexture(texture, NULL, renderMemory, (sizeof(uint32_t) * SDL_X_SIZE))) {
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fprintf(stderr, "Could not update SDL texture: %s.\n", SDL_GetError());
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exit(EXIT_FAILURE);
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}
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if (SDL_RenderCopy(renderer, texture, NULL, NULL)) {
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fprintf(stderr, "Could not display SDL texture: %s.\n", SDL_GetError());
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exit(EXIT_FAILURE);
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}
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SDL_RenderPresent(renderer);
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}
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return EXIT_SUCCESS;
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}
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