all repos — mgba @ c9b01e0aff832ea0e2acc0ac56dda76b66117afd

mGBA Game Boy Advance Emulator

PSP2: Use GBAContext
Jeffrey Pfau jeffrey@endrift.com
Sat, 22 Aug 2015 00:41:24 -0700
commit

c9b01e0aff832ea0e2acc0ac56dda76b66117afd

parent

540e1ff1e65e7616daf94eab19a0994fbbc5bb24

3 files changed, 94 insertions(+), 140 deletions(-)

jump to
M src/platform/psp2/main.csrc/platform/psp2/main.c

@@ -72,7 +72,9 @@ char path[256];

if (!selectFile(&params, "cache0:", path, sizeof(path), "gba")) { break; } - GBAPSP2LoadROM(path); + if (!GBAPSP2LoadROM(path)) { + continue; + } GBAPSP2Runloop(); GBAPSP2UnloadROM(); }
M src/platform/psp2/psp2-context.csrc/platform/psp2/psp2-context.c

@@ -8,8 +8,7 @@

#include "gba/gba.h" #include "gba/input.h" #include "gba/audio.h" -#include "gba/supervisor/overrides.h" -#include "gba/video.h" +#include "gba/supervisor/context.h" #include "gba/renderers/video-software.h" #include "util/circle-buffer.h"

@@ -27,13 +26,8 @@ #include <psp2/kernel/sysmem.h>

#include <vita2d.h> -static char gameName[13]; -static struct GBA* gba; -static struct ARMCore* cpu; -static struct VFile* rom; -static struct VFile* save; +static struct GBAContext context; static struct GBAVideoSoftwareRenderer renderer; -static struct GBAInputMap inputMap; static vita2d_texture* tex; static Thread audioThread;

@@ -81,172 +75,130 @@ return 0;

} void GBAPSP2Setup() { - GBAInputMapInit(&inputMap); - _mapVitaKey(&inputMap, PSP2_CTRL_CROSS, GBA_KEY_A); - _mapVitaKey(&inputMap, PSP2_CTRL_CIRCLE, GBA_KEY_B); - _mapVitaKey(&inputMap, PSP2_CTRL_START, GBA_KEY_START); - _mapVitaKey(&inputMap, PSP2_CTRL_SELECT, GBA_KEY_SELECT); - _mapVitaKey(&inputMap, PSP2_CTRL_UP, GBA_KEY_UP); - _mapVitaKey(&inputMap, PSP2_CTRL_DOWN, GBA_KEY_DOWN); - _mapVitaKey(&inputMap, PSP2_CTRL_LEFT, GBA_KEY_LEFT); - _mapVitaKey(&inputMap, PSP2_CTRL_RIGHT, GBA_KEY_RIGHT); - _mapVitaKey(&inputMap, PSP2_CTRL_LTRIGGER, GBA_KEY_L); - _mapVitaKey(&inputMap, PSP2_CTRL_RTRIGGER, GBA_KEY_R); + GBAContextInit(&context, 0); + struct GBAOptions opts = { + .useBios = true, + .logLevel = 0, + .idleOptimization = IDLE_LOOP_DETECT + }; + GBAConfigLoadDefaults(&context.config, &opts); + _mapVitaKey(&context.inputMap, PSP2_CTRL_CROSS, GBA_KEY_A); + _mapVitaKey(&context.inputMap, PSP2_CTRL_CIRCLE, GBA_KEY_B); + _mapVitaKey(&context.inputMap, PSP2_CTRL_START, GBA_KEY_START); + _mapVitaKey(&context.inputMap, PSP2_CTRL_SELECT, GBA_KEY_SELECT); + _mapVitaKey(&context.inputMap, PSP2_CTRL_UP, GBA_KEY_UP); + _mapVitaKey(&context.inputMap, PSP2_CTRL_DOWN, GBA_KEY_DOWN); + _mapVitaKey(&context.inputMap, PSP2_CTRL_LEFT, GBA_KEY_LEFT); + _mapVitaKey(&context.inputMap, PSP2_CTRL_RIGHT, GBA_KEY_RIGHT); + _mapVitaKey(&context.inputMap, PSP2_CTRL_LTRIGGER, GBA_KEY_L); + _mapVitaKey(&context.inputMap, PSP2_CTRL_RTRIGGER, GBA_KEY_R); struct GBAAxis desc = { GBA_KEY_DOWN, GBA_KEY_UP, 192, 64 }; - GBAInputBindAxis(&inputMap, PSP2_INPUT, 0, &desc); + GBAInputBindAxis(&context.inputMap, PSP2_INPUT, 0, &desc); desc = (struct GBAAxis) { GBA_KEY_RIGHT, GBA_KEY_LEFT, 192, 64 }; - GBAInputBindAxis(&inputMap, PSP2_INPUT, 1, &desc); + GBAInputBindAxis(&context.inputMap, PSP2_INPUT, 1, &desc); tex = vita2d_create_empty_texture_format(256, 256, SCE_GXM_TEXTURE_FORMAT_X8U8U8U8_1BGR); + GBAVideoSoftwareRendererCreate(&renderer); renderer.outputBuffer = vita2d_texture_get_datap(tex); renderer.outputBufferStride = 256; + GBAVideoAssociateRenderer(&context.gba->video, &renderer.d); + printf("%s starting", projectName); } -void GBAPSP2LoadROM(const char* path) { - GBAVideoSoftwareRendererCreate(&renderer); - - gba = anonymousMemoryMap(sizeof(struct GBA)); - cpu = anonymousMemoryMap(sizeof(struct ARMCore)); - - printf("GBA: %08X", gba); - printf("CPU: %08X", cpu); - - rom = VFileOpenSce(path, PSP2_O_RDONLY, 0666); - save = VDirOptionalOpenFile(0, path, 0, ".sav", PSP2_O_RDWR | PSP2_O_CREAT); - - printf("ROM: %08X", rom); - printf("Save: %08X", save); - - GBACreate(gba); - ARMSetComponents(cpu, &gba->d, 0, 0); - ARMInit(cpu); - printf("%s initialized.", "CPU"); - - gba->sync = 0; - - GBAVideoAssociateRenderer(&gba->video, &renderer.d); - - GBALoadROM(gba, rom, save, 0); - GBAOverrideApplyDefaults(gba); - GBAGetGameTitle(gba, gameName); - printf("ROM loaded: %s", gameName); - - ARMReset(cpu); +bool GBAPSP2LoadROM(const char* path) { + if (!GBAContextLoadROM(&context, path, true)) { + printf("%s failed to load!", path); + return false; + } + printf("%s loaded, starting...", path); + GBAContextStart(&context); + char gameTitle[13]; + GBAGetGameTitle(context.gba, gameTitle); + printf("%s started!", gameTitle); double ratio = GBAAudioCalculateRatio(1, 60, 1); - blip_set_rates(gba->audio.left, GBA_ARM7TDMI_FREQUENCY, 48000 * ratio); - blip_set_rates(gba->audio.right, GBA_ARM7TDMI_FREQUENCY, 48000 * ratio); + blip_set_rates(context.gba->audio.left, GBA_ARM7TDMI_FREQUENCY, 48000 * ratio); + blip_set_rates(context.gba->audio.right, GBA_ARM7TDMI_FREQUENCY, 48000 * ratio); CircleBufferInit(&audioContext.buffer, PSP2_AUDIO_BUFFER_SIZE * sizeof(struct GBAStereoSample)); MutexInit(&audioContext.mutex); ConditionInit(&audioContext.cond); audioContext.running = true; ThreadCreate(&audioThread, _audioThread, &audioContext); - - printf("%s all set and ready to roll.", projectName); + return true; } void GBAPSP2Runloop(void) { int activeKeys = 0; - gba->keySource = &activeKeys; bool fsToggle = false; - int frameCounter = 0; while (true) { - ARMRunLoop(cpu); - - if (frameCounter != gba->video.frameCounter) { - SceCtrlData pad; - sceCtrlPeekBufferPositive(0, &pad, 1); - if (pad.buttons & PSP2_CTRL_TRIANGLE) { - break; - } - if (pad.buttons & PSP2_CTRL_SQUARE) { - if (!fsToggle) { - fullscreen = !fullscreen; - } - fsToggle = true; - } else { - fsToggle = false; - } - - activeKeys = GBAInputMapKeyBits(&inputMap, PSP2_INPUT, pad.buttons, 0); - enum GBAKey angles = GBAInputMapAxis(&inputMap, PSP2_INPUT, 0, pad.ly); - if (angles != GBA_KEY_NONE) { - activeKeys |= 1 << angles; + SceCtrlData pad; + sceCtrlPeekBufferPositive(0, &pad, 1); + if (pad.buttons & PSP2_CTRL_TRIANGLE) { + break; + } + if (pad.buttons & PSP2_CTRL_SQUARE) { + if (!fsToggle) { + fullscreen = !fullscreen; } - angles = GBAInputMapAxis(&inputMap, PSP2_INPUT, 1, pad.lx); - if (angles != GBA_KEY_NONE) { - activeKeys |= 1 << angles; - } - angles = GBAInputMapAxis(&inputMap, PSP2_INPUT, 2, pad.ry); - if (angles != GBA_KEY_NONE) { - activeKeys |= 1 << angles; - } - angles = GBAInputMapAxis(&inputMap, PSP2_INPUT, 3, pad.rx); - if (angles != GBA_KEY_NONE) { - activeKeys |= 1 << angles; - } + fsToggle = true; + } else { + fsToggle = false; + } - MutexLock(&audioContext.mutex); - while (blip_samples_avail(gba->audio.left) >= PSP2_SAMPLES) { - if (CircleBufferSize(&audioContext.buffer) + PSP2_SAMPLES * sizeof(struct GBAStereoSample) > CircleBufferCapacity(&audioContext.buffer)) { - break; - } - struct GBAStereoSample samples[PSP2_SAMPLES]; - blip_read_samples(gba->audio.left, &samples[0].left, PSP2_SAMPLES, true); - blip_read_samples(gba->audio.right, &samples[0].right, PSP2_SAMPLES, true); - int i; - for (i = 0; i < PSP2_SAMPLES; ++i) { - CircleBufferWrite16(&audioContext.buffer, samples[i].left); - CircleBufferWrite16(&audioContext.buffer, samples[i].right); - } - } - ConditionWake(&audioContext.cond); - MutexUnlock(&audioContext.mutex); + activeKeys = GBAInputMapKeyBits(&context.inputMap, PSP2_INPUT, pad.buttons, 0); + enum GBAKey angles = GBAInputMapAxis(&context.inputMap, PSP2_INPUT, 0, pad.ly); + if (angles != GBA_KEY_NONE) { + activeKeys |= 1 << angles; + } + angles = GBAInputMapAxis(&context.inputMap, PSP2_INPUT, 1, pad.lx); + if (angles != GBA_KEY_NONE) { + activeKeys |= 1 << angles; + } + angles = GBAInputMapAxis(&context.inputMap, PSP2_INPUT, 2, pad.ry); + if (angles != GBA_KEY_NONE) { + activeKeys |= 1 << angles; + } + angles = GBAInputMapAxis(&context.inputMap, PSP2_INPUT, 3, pad.rx); + if (angles != GBA_KEY_NONE) { + activeKeys |= 1 << angles; + } - vita2d_start_drawing(); - vita2d_clear_screen(); - GBAPSP2Draw(); - vita2d_end_drawing(); - vita2d_swap_buffers(); + GBAContextFrame(&context, activeKeys); - frameCounter = gba->video.frameCounter; + MutexLock(&audioContext.mutex); + while (blip_samples_avail(context.gba->audio.left) >= PSP2_SAMPLES) { + if (CircleBufferSize(&audioContext.buffer) + PSP2_SAMPLES * sizeof(struct GBAStereoSample) > CircleBufferCapacity(&audioContext.buffer)) { + break; + } + struct GBAStereoSample samples[PSP2_SAMPLES]; + blip_read_samples(context.gba->audio.left, &samples[0].left, PSP2_SAMPLES, true); + blip_read_samples(context.gba->audio.right, &samples[0].right, PSP2_SAMPLES, true); + int i; + for (i = 0; i < PSP2_SAMPLES; ++i) { + CircleBufferWrite16(&audioContext.buffer, samples[i].left); + CircleBufferWrite16(&audioContext.buffer, samples[i].right); + } } + ConditionWake(&audioContext.cond); + MutexUnlock(&audioContext.mutex); + + vita2d_start_drawing(); + vita2d_clear_screen(); + GBAPSP2Draw(); + vita2d_end_drawing(); + vita2d_swap_buffers(); } } void GBAPSP2UnloadROM(void) { - printf("%s shutting down...", projectName); - - ARMDeinit(cpu); - GBADestroy(gba); - - rom->close(rom); - save->close(save); - - MutexLock(&audioContext.mutex); - audioContext.running = false; - ConditionWake(&audioContext.cond); - MutexUnlock(&audioContext.mutex); - ThreadJoin(audioThread); - CircleBufferDeinit(&audioContext.buffer); - MutexDeinit(&audioContext.mutex); - ConditionDeinit(&audioContext.cond); - - mappedMemoryFree(gba, 0); - mappedMemoryFree(cpu, 0); - - gba = 0; - cpu = 0; - rom = 0; - save = 0; + GBAContextStop(&context); } void GBAPSP2Teardown(void) { - GBAInputMapDeinit(&inputMap); - + GBAContextDeinit(&context); vita2d_free_texture(tex); }
M src/platform/psp2/psp2-context.hsrc/platform/psp2/psp2-context.h

@@ -11,7 +11,7 @@

void GBAPSP2Setup(void); void GBAPSP2Teardown(void); -void GBAPSP2LoadROM(const char* path); +bool GBAPSP2LoadROM(const char* path); void GBAPSP2Runloop(void); void GBAPSP2UnloadROM(void);