1/* Copyright (c) 2013-2016 Jeffrey Pfau
  2 *
  3 * This Source Code Form is subject to the terms of the Mozilla Public
  4 * License, v. 2.0. If a copy of the MPL was not distributed with this
  5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
  6#ifndef DS_H
  7#define DS_H
  8
  9#include "util/common.h"
 10
 11#include "arm/arm.h"
 12#include "core/log.h"
 13
 14#include "ds/memory.h"
 15#include "ds/timer.h"
 16#include "ds/video.h"
 17
 18extern const uint32_t DS_ARM946ES_FREQUENCY;
 19extern const uint32_t DS_ARM7TDMI_FREQUENCY;
 20
 21enum DSIRQ {
 22	DS_IRQ_VBLANK = 0x0,
 23	DS_IRQ_HBLANK = 0x1,
 24	DS_IRQ_VCOUNTER = 0x2,
 25	DS_IRQ_TIMER0 = 0x3,
 26	DS_IRQ_TIMER1 = 0x4,
 27	DS_IRQ_TIMER2 = 0x5,
 28	DS_IRQ_TIMER3 = 0x6,
 29	DS_IRQ_SIO = 0x7,
 30	DS_IRQ_DMA0 = 0x8,
 31	DS_IRQ_DMA1 = 0x9,
 32	DS_IRQ_DMA2 = 0xA,
 33	DS_IRQ_DMA3 = 0xB,
 34	DS_IRQ_KEYPAD = 0xC,
 35	DS_IRQ_SLOT2 = 0xD,
 36	DS_IRQ_IPC_SYNC = 0x10,
 37	DS_IRQ_IPC_EMPTY = 0x11,
 38	DS_IRQ_IPC_NOT_EMPTY = 0x12,
 39	DS_IRQ_SLOT1_TRANS = 0x13,
 40	DS_IRQ_SLOT1 = 0x14,
 41	DS_IRQ_GEOM_FIFO = 0x15,
 42	DS_IRQ_LID = 0x16,
 43	DS_IRQ_SPI = 0x17,
 44	DS_IRQ_WIFI = 0x18,
 45};
 46
 47struct DS;
 48struct Patch;
 49struct VFile;
 50struct mDebugger;
 51
 52mLOG_DECLARE_CATEGORY(DS);
 53
 54struct DS {
 55	struct mCPUComponent d;
 56
 57	struct ARMCore* arm7;
 58	struct ARMCore* arm9;
 59	struct DSMemory memory;
 60	struct DSVideo video;
 61	int timersEnabled7;
 62	int timersEnabled9;
 63	struct DSTimer timers7[4];
 64	struct DSTimer timers9[4];
 65
 66	struct mCoreSync* sync;
 67
 68	struct ARMDebugger* debugger;
 69
 70	int springIRQ7;
 71	int springIRQ9;
 72
 73	uint32_t bios7Checksum;
 74	uint32_t bios9Checksum;
 75	int* keySource;
 76	struct mRTCSource* rtcSource;
 77	struct mRumble* rumble;
 78
 79	struct VFile* romVf;
 80	struct VFile* bios7Vf;
 81	struct VFile* bios9Vf;
 82
 83	struct mKeyCallback* keyCallback;
 84};
 85
 86struct DSCartridge {
 87	char title[12];
 88	uint32_t id;
 89
 90	uint16_t maker;
 91	uint8_t type;
 92	uint8_t encryptionSeed;
 93	uint8_t size;
 94	uint8_t reserved[8];
 95	uint8_t region;
 96	uint8_t version;
 97	uint8_t autostart;
 98	uint32_t arm9Offset;
 99	uint32_t arm9Entry;
100	uint32_t arm9Base;
101	uint32_t arm9Size;
102	uint32_t arm7Offset;
103	uint32_t arm7Entry;
104	uint32_t arm7Base;
105	uint32_t arm7Size;
106	uint32_t fntOffset;
107	uint32_t fntSize;
108	uint32_t fatOffset;
109	uint32_t fatSize;
110	uint32_t arm9FileOverlayOffset;
111	uint32_t arm9FileOverlaySize;
112	uint32_t arm7FileOverlayOffset;
113	uint32_t arm7FileOverlaySize;
114	uint32_t busTiming;
115	uint32_t busKEY1Timing;
116	uint32_t iconOffset;
117	uint16_t secureAreaCrc16;
118	uint16_t secureAreaDelay;
119	// TODO: Fill in more
120	// And ROM data...
121};
122
123void DSCreate(struct DS* ds);
124void DSDestroy(struct DS* ds);
125
126void DSAttachDebugger(struct DS* ds, struct mDebugger* debugger);
127void DSDetachDebugger(struct DS* ds);
128
129bool DSLoadROM(struct DS* ds, struct VFile* vf);
130void DSUnloadROM(struct DS* ds);
131void DSApplyPatch(struct DS* ds, struct Patch* patch);
132
133bool DSLoadBIOS(struct DS* ds, struct VFile* vf);
134
135bool DSIsROM(struct VFile* vf);
136void DSGetGameCode(struct DS* ds, char* out);
137void DSGetGameTitle(struct DS* ds, char* out);
138
139void DSWriteIME(struct ARMCore* cpu, uint16_t* io, uint16_t value);
140void DSWriteIE(struct ARMCore* cpu, uint16_t* io, uint32_t value);
141void DSRaiseIRQ(struct ARMCore* cpu, uint16_t* io, enum DSIRQ irq);
142
143#endif