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3DS: Use GBAContext

This commit is contained in:
Jeffrey Pfau 2015-08-22 17:22:25 -07:00
parent 2c7926ef66
commit ca42faae3c
1 changed files with 36 additions and 55 deletions
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65
src/platform/3ds/main.c
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@ -3,10 +3,10 @@
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "gba/gba.h"
#include "gba/video.h"
#include "gba/renderers/video-software.h"
#include "gba/supervisor/context.h"
#include "gba/video.h"
#include "util/memory.h"
#include "3ds-vfs.h"
@ -19,6 +19,7 @@ static void GBA3DSLog(struct GBAThread* thread, enum GBALogLevel level, const ch
static Handle logFile;
int main() {
struct GBAContext context;
srvInit();
aptInit();
hidInit(0);
@ -32,41 +33,34 @@ int main() {
FSUSER_OpenArchive(0, &sdmcArchive);
FSUSER_OpenFile(0, &logFile, sdmcArchive, FS_makePath(PATH_CHAR, "/mgba.log"), FS_OPEN_WRITE | FS_OPEN_CREATE, FS_ATTRIBUTE_NONE);
GBAContextInit(&context, 0);
struct GBAOptions opts = {
.useBios = true,
.logLevel = 0,
.idleOptimization = IDLE_LOOP_REMOVE
};
GBAConfigLoadDefaults(&context.config, &opts);
context.gba->logHandler = GBA3DSLog;
struct GBAVideoSoftwareRenderer renderer;
GBAVideoSoftwareRendererCreate(&renderer);
size_t stride = VIDEO_HORIZONTAL_PIXELS * BYTES_PER_PIXEL;
color_t* videoBuffer = anonymousMemoryMap(stride * VIDEO_VERTICAL_PIXELS);
struct GBA* gba = anonymousMemoryMap(sizeof(struct GBA));
struct ARMCore* cpu = anonymousMemoryMap(sizeof(struct ARMCore));
int activeKeys = 0;
renderer.outputBuffer = videoBuffer;
renderer.outputBufferStride = VIDEO_HORIZONTAL_PIXELS;
GBAVideoAssociateRenderer(&context.gba->video, &renderer.d);
struct VFile* rom = VFileOpen3DS(&sdmcArchive, "/rom.gba", FS_OPEN_READ);
struct VFile* save = VFileOpen3DS(&sdmcArchive, "/rom.sav", FS_OPEN_READ | FS_OPEN_WRITE);
GBAContextLoadROM(&context, "/rom.gba", true);
GBAContextStart(&context);
GBACreate(gba);
ARMSetComponents(cpu, &gba->d, 0, 0);
ARMInit(cpu);
gba->keySource = &activeKeys;
gba->sync = 0;
GBAVideoAssociateRenderer(&gba->video, &renderer.d);
GBALoadROM(gba, rom, save, 0);
gba->logHandler = GBA3DSLog;
ARMReset(cpu);
int frameCounter = 0;
while (aptMainLoop()) {
ARMRunLoop(cpu);
hidScanInput();
int activeKeys = hidKeysHeld() & 0x3FF;
if (hidKeysDown() & KEY_X) {
break;
}
GBAContextFrame(&context, activeKeys);
if (frameCounter != gba->video.frameCounter) {
u16 width, height;
u16* screen = (u16*) gfxGetFramebuffer(GFX_BOTTOM, GFX_BOTTOM, &height, &width);
u32 startX = (width - VIDEO_HORIZONTAL_PIXELS) / 2;
@ -80,23 +74,10 @@ int main() {
gfxFlushBuffers();
gfxSwapBuffers();
gspWaitForVBlank1();
hidScanInput();
activeKeys = hidKeysHeld() & 0x3FF;
if (hidKeysDown() & KEY_X) {
break;
}
frameCounter = gba->video.frameCounter;
}
}
ARMDeinit(cpu);
GBADestroy(gba);
rom->close(rom);
save->close(save);
mappedMemoryFree(gba, 0);
mappedMemoryFree(cpu, 0);
GBAContextStop(&context);
GBAContextDeinit(&context);
mappedMemoryFree(videoBuffer, 0);