agb/mgba-test-runner/c/include/mgba/internal/gba/gba.h

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2021-04-20 07:21:44 +10:00
/* Copyright (c) 2013-2016 Jeffrey Pfau
*
* 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/. */
#ifndef GBA_H
#define GBA_H
#include <mgba-util/common.h>
CXX_GUARD_START
#include <mgba/core/log.h>
#include <mgba/core/timing.h>
#include <mgba/internal/gba/memory.h>
#include <mgba/internal/gba/video.h>
#include <mgba/internal/gba/audio.h>
#include <mgba/internal/gba/sio.h>
#include <mgba/internal/gba/timer.h>
#define GBA_ARM7TDMI_FREQUENCY 0x1000000U
enum GBAIRQ {
IRQ_VBLANK = 0x0,
IRQ_HBLANK = 0x1,
IRQ_VCOUNTER = 0x2,
IRQ_TIMER0 = 0x3,
IRQ_TIMER1 = 0x4,
IRQ_TIMER2 = 0x5,
IRQ_TIMER3 = 0x6,
IRQ_SIO = 0x7,
IRQ_DMA0 = 0x8,
IRQ_DMA1 = 0x9,
IRQ_DMA2 = 0xA,
IRQ_DMA3 = 0xB,
IRQ_KEYPAD = 0xC,
IRQ_GAMEPAK = 0xD
};
enum GBAIdleLoopOptimization {
IDLE_LOOP_IGNORE = -1,
IDLE_LOOP_REMOVE = 0,
IDLE_LOOP_DETECT
};
enum {
SP_BASE_SYSTEM = 0x03007F00,
SP_BASE_IRQ = 0x03007FA0,
SP_BASE_SUPERVISOR = 0x03007FE0
};
struct ARMCore;
struct GBA;
struct Patch;
struct VFile;
mLOG_DECLARE_CATEGORY(GBA);
mLOG_DECLARE_CATEGORY(GBA_DEBUG);
DECL_BITFIELD(GBADebugFlags, uint16_t);
DECL_BITS(GBADebugFlags, Level, 0, 3);
DECL_BIT(GBADebugFlags, Send, 8);
struct GBA {
struct mCPUComponent d;
struct ARMCore* cpu;
struct GBAMemory memory;
struct GBAVideo video;
struct GBAAudio audio;
struct GBASIO sio;
struct mCoreSync* sync;
struct mTiming timing;
struct ARMDebugger* debugger;
uint32_t bus;
int performingDMA;
struct GBATimer timers[4];
int springIRQ;
struct mTimingEvent irqEvent;
uint32_t biosChecksum;
int* keySource;
struct mRotationSource* rotationSource;
struct GBALuminanceSource* luminanceSource;
struct mRTCSource* rtcSource;
struct mRumble* rumble;
bool isPristine;
size_t pristineRomSize;
size_t yankedRomSize;
uint32_t romCrc32;
struct VFile* romVf;
struct VFile* biosVf;
struct mAVStream* stream;
struct mKeyCallback* keyCallback;
struct mCoreCallbacksList coreCallbacks;
enum GBAIdleLoopOptimization idleOptimization;
uint32_t idleLoop;
uint32_t lastJump;
bool haltPending;
bool cpuBlocked;
bool earlyExit;
uint32_t dmaPC;
uint32_t biosStall;
int idleDetectionStep;
int idleDetectionFailures;
int32_t cachedRegisters[16];
bool taintedRegisters[16];
bool vbaBugCompat;
bool hardCrash;
bool allowOpposingDirections;
bool debug;
char debugString[0x100];
GBADebugFlags debugFlags;
};
struct GBACartridge {
uint32_t entry;
uint8_t logo[156];
char title[12];
uint32_t id;
uint16_t maker;
uint8_t type;
uint8_t unit;
uint8_t device;
uint8_t reserved[7];
uint8_t version;
uint8_t checksum;
// And ROM data...
};
void GBACreate(struct GBA* gba);
void GBADestroy(struct GBA* gba);
void GBAReset(struct ARMCore* cpu);
void GBASkipBIOS(struct GBA* gba);
void GBARaiseIRQ(struct GBA* gba, enum GBAIRQ irq, uint32_t cyclesLate);
void GBATestIRQ(struct GBA* gba, uint32_t cyclesLate);
void GBAHalt(struct GBA* gba);
void GBAStop(struct GBA* gba);
void GBADebug(struct GBA* gba, uint16_t value);
#ifdef USE_DEBUGGERS
struct mDebugger;
void GBAAttachDebugger(struct GBA* gba, struct mDebugger* debugger);
void GBADetachDebugger(struct GBA* gba);
#endif
void GBASetBreakpoint(struct GBA* gba, struct mCPUComponent* component, uint32_t address, enum ExecutionMode mode,
uint32_t* opcode);
void GBAClearBreakpoint(struct GBA* gba, uint32_t address, enum ExecutionMode mode, uint32_t opcode);
bool GBALoadROM(struct GBA* gba, struct VFile* vf);
bool GBALoadSave(struct GBA* gba, struct VFile* sav);
void GBAYankROM(struct GBA* gba);
void GBAUnloadROM(struct GBA* gba);
void GBALoadBIOS(struct GBA* gba, struct VFile* vf);
void GBAApplyPatch(struct GBA* gba, struct Patch* patch);
bool GBALoadMB(struct GBA* gba, struct VFile* vf);
bool GBALoadNull(struct GBA* gba);
void GBAGetGameCode(const struct GBA* gba, char* out);
void GBAGetGameTitle(const struct GBA* gba, char* out);
void GBATestKeypadIRQ(struct GBA* gba);
void GBAFrameStarted(struct GBA* gba);
void GBAFrameEnded(struct GBA* gba);
CXX_GUARD_END
#endif