mirror of https://github.com/mgba-emu/mgba.git
GBA Memory: Add initial support for N-in-1 style multicarts
This commit is contained in:
Vicki Pfau
parent
d5fbd0ff1c
commit
91cf829261
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@ -0,0 +1,75 @@
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/* Copyright (c) 2013-2024 Jeffrey Pfau
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* Copyright (c) 2016 taizou
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef GBA_UNLICENSED_H
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#define GBA_UNLICENSED_H
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#include <mgba-util/common.h>
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CXX_GUARD_START
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#include <mgba/core/timing.h>
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enum GBAVFameCartType {
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VFAME_STANDARD = 0,
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VFAME_GEORGE = 1,
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VFAME_ALTERNATE = 2,
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};
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enum GBAUnlCartType {
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GBA_UNL_CART_NONE = 0,
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GBA_UNL_CART_VFAME = 1,
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GBA_UNL_CART_MULTICART = 2,
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};
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struct GBAVFameCart {
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enum GBAVFameCartType cartType;
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int sramMode;
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int romMode;
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int8_t writeSequence[5];
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bool acceptingModeChange;
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};
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struct GBAMulticart {
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struct mTimingEvent settle;
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uint32_t* rom;
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size_t fullSize;
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uint8_t bank;
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uint8_t offset;
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uint8_t size;
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bool sramActive;
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uint8_t unk;
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};
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struct GBAUnlCart {
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enum GBAUnlCartType type;
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union {
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struct GBAVFameCart vfame;
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struct GBAMulticart multi;
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};
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};
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struct GBA;
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struct GBAMemory;
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void GBAUnlCartInit(struct GBA*);
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void GBAUnlCartReset(struct GBA*);
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void GBAUnlCartUnload(struct GBA*);
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void GBAUnlCartDetect(struct GBA*);
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void GBAUnlCartWriteSRAM(struct GBA*, uint32_t address, uint8_t value);
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struct GBASerializedState;
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void GBAUnlCartSerialize(const struct GBA* gba, struct GBASerializedState* state);
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void GBAUnlCartDeserialize(struct GBA* gba, const struct GBASerializedState* state);
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bool GBAVFameDetect(struct GBAVFameCart* cart, uint32_t* rom, size_t romSize, uint32_t crc32);
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void GBAVFameSramWrite(struct GBAVFameCart* cart, uint32_t address, uint8_t value, uint8_t* sramData);
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uint32_t GBAVFameModifyRomAddress(struct GBAVFameCart* cart, uint32_t address, size_t romSize);
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uint32_t GBAVFameGetPatternValue(uint32_t address, int bits);
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CXX_GUARD_END
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#endif
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@ -1,41 +0,0 @@
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/* Copyright (c) 2016 taizou
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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// Support for copy protected unlicensed games from the company Vast Fame
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#ifndef GBA_VFAME_H
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#define GBA_VFAME_H
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#include <mgba-util/common.h>
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CXX_GUARD_START
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#define DIGIMON_SAPPHIRE_CHINESE_CRC32 0x793A328F
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enum GBAVFameCartType {
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VFAME_NO = 0,
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VFAME_STANDARD = 1,
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VFAME_GEORGE = 2,
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VFAME_ALTERNATE = 3,
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};
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struct GBAVFameCart {
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enum GBAVFameCartType cartType;
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int sramMode;
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int romMode;
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int8_t writeSequence[5];
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bool acceptingModeChange;
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};
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void GBAVFameInit(struct GBAVFameCart* cart);
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void GBAVFameDetect(struct GBAVFameCart* cart, uint32_t* rom, size_t romSize, uint32_t crc32);
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void GBAVFameSramWrite(struct GBAVFameCart* cart, uint32_t address, uint8_t value, uint8_t* sramData);
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uint32_t GBAVFameModifyRomAddress(struct GBAVFameCart* cart, uint32_t address, size_t romSize);
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uint32_t GBAVFameGetPatternValue(uint32_t address, int bits);
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CXX_GUARD_END
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#endif
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@ -18,7 +18,7 @@ CXX_GUARD_START
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#include <mgba/internal/gba/cart/ereader.h>
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#include <mgba/internal/gba/cart/gpio.h>
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#include <mgba/internal/gba/cart/matrix.h>
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#include <mgba/internal/gba/cart/vfame.h>
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#include <mgba/internal/gba/cart/unlicensed.h>
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enum GBAMemoryRegion {
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GBA_REGION_BIOS = 0x0,
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@ -108,8 +108,8 @@ struct GBAMemory {
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struct GBACartridgeHardware hw;
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struct GBASavedata savedata;
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struct GBAVFameCart vfame;
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struct GBAMatrix matrix;
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struct GBAUnlCart unl;
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struct GBACartEReader ereader;
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size_t romSize;
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uint32_t romMask;
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@ -186,11 +186,14 @@ mLOG_DECLARE_CATEGORY(GBA_STATE);
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* | bit 3: Reserved
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* | bits 4 - 15: Light counter
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* | 0x002C0 - 0x002C0: Light sample
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* | 0x002C1 - 0x002C3: Flags
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* | 0x002C1: Flags
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* | bits 0 - 1: Tilt state machine
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* | bits 2 - 3: GB Player inputs posted
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* | bits 4 - 8: GB Player transmit position
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* | bits 9 - 23: Reserved
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* | bits 4 - 7: GB Player transmit position
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* | 0x002C2 - 0x002C3: Unlicensed cart flags
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* | bits 0 - 4: Cartridge type
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* | bits 5 - 7: Cartridge subtype
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* | bits 8 - 15: Reserved
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* 0x002C4 - 0x002C7: SIO next event
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* 0x002C8 - 0x002CB: Current DMA transfer word
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* 0x002CC - 0x002CF: Last DMA transfer PC
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@ -230,8 +233,23 @@ mLOG_DECLARE_CATEGORY(GBA_STATE);
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* | bits 15 - 31: Reserved
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* 0x00320 - 0x00323: Next IRQ event
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* 0x00324 - 0x00327: Interruptable BIOS stall cycles
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* 0x00328 - 0x00367: Matrix memory mapping table
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* 0x00368 - 0x0036F: Reserved (leave zero)
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* 0x00328 - 0x0036F: Special cartridge state, one of:
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* | Matrix Memory:
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* | 0x00328 - 0x00367: Matrix memory mapping table
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* | 0x00368 - 0x0036F: Reserved (leave zero)
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* | Unlicensed multicart:
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* | 0x00328: Bank value
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* | 0x00329: Offset value
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* | 0x0032A: Size value
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* | 0x0032B: SRAM active value
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* | 0x0032C: Unknown value
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* | 0x0032D: Current size
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* | 0x0032E - 0x0032F: Current bank/offset
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* | 0x00330 - 0x00333: Next settle event
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* | 0x00334 - 0x00337: Flags
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* | bit 0: Is settling occuring?
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* | bits 1 - 31: Reserved
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* | 0x00338 - 0x0036F: Reserved (leave zero)
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* 0x00370 - 0x0037F: Audio FIFO A samples
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* 0x00380 - 0x0038F: Audio FIFO B samples
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* 0x00390 - 0x003CF: Audio rendered samples
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@ -269,9 +287,14 @@ DECL_BITS(GBASerializedHWFlags1, LightCounter, 4, 12);
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DECL_BITFIELD(GBASerializedHWFlags2, uint8_t);
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DECL_BITS(GBASerializedHWFlags2, TiltState, 0, 2);
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DECL_BITS(GBASerializedHWFlags2, GbpInputsPosted, 2, 2);
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DECL_BITS(GBASerializedHWFlags2, GbpTxPosition, 4, 5);
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DECL_BITS(GBASerializedHWFlags2, GbpTxPosition, 4, 4);
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DECL_BITFIELD(GBASerializedHWFlags3, uint16_t);
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DECL_BITFIELD(GBASerializedUnlCartFlags, uint16_t);
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DECL_BITS(GBASerializedUnlCartFlags, Type, 0, 5);
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DECL_BITS(GBASerializedUnlCartFlags, Subtype, 5, 3);
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DECL_BITFIELD(GBASerializedMulticartFlags, uint32_t);
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DECL_BIT(GBASerializedMulticartFlags, DustSettling, 0);
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DECL_BITFIELD(GBASerializedSavedataFlags, uint8_t);
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DECL_BITS(GBASerializedSavedataFlags, FlashState, 0, 2);
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@ -370,7 +393,7 @@ struct GBASerializedState {
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GBASerializedHWFlags1 flags1;
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uint8_t lightSample;
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GBASerializedHWFlags2 flags2;
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GBASerializedHWFlags3 flags3;
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GBASerializedUnlCartFlags unlCartFlags;
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uint32_t sioNextEvent;
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} hw;
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@ -407,8 +430,23 @@ struct GBASerializedState {
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uint32_t nextIrq;
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int32_t biosStall;
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uint32_t matrixMappings[16];
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uint32_t reservedMatrix[2];
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union {
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struct {
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uint32_t mappings[16];
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uint32_t reserved[2];
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} matrix2;
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struct {
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uint8_t bank;
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uint8_t offset;
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uint8_t size;
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uint8_t sramActive;
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uint8_t unk;
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uint8_t currentSize;
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uint16_t currentOffset;
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uint32_t settleNextEvent;
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GBASerializedMulticartFlags flags;
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} multicart;
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};
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struct {
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int8_t chA[16];
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@ -6,6 +6,7 @@ set(SOURCE_FILES
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cart/ereader.c
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cart/gpio.c
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cart/matrix.c
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cart/unlicensed.c
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cart/vfame.c
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cheats.c
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cheats/codebreaker.c
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@ -109,7 +109,7 @@ void GBAMatrixSerialize(const struct GBA* gba, struct GBASerializedState* state)
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int i;
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for (i = 0; i < 16; ++i) {
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STORE_32(gba->memory.matrix.mappings[i], i << 2, state->matrixMappings);
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STORE_32(gba->memory.matrix.mappings[i], i << 2, state->matrix2.mappings);
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}
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}
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@ -121,7 +121,7 @@ void GBAMatrixDeserialize(struct GBA* gba, const struct GBASerializedState* stat
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int i;
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for (i = 0; i < 16; ++i) {
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LOAD_32(gba->memory.matrix.mappings[i], i << 2, state->matrixMappings);
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LOAD_32(gba->memory.matrix.mappings[i], i << 2, state->matrix2.mappings);
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gba->memory.matrix.paddr = gba->memory.matrix.mappings[i];
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gba->memory.matrix.vaddr = i << 9;
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_remapMatrix(gba);
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@ -0,0 +1,219 @@
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/* Copyright (c) 2013-2024 Jeffrey Pfau
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include <mgba/internal/gba/cart/unlicensed.h>
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#include <mgba/internal/arm/macros.h>
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#include <mgba/internal/gba/gba.h>
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#include <mgba/internal/gba/serialize.h>
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#include <mgba-util/vfs.h>
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#define MULTI_SETTLE 512
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#define MULTI_BLOCK 0x80000
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#define MULTI_BANK 0x2000000
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enum GBMulticartCfgOffset {
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GBA_MULTICART_CFG_BANK = 0x2,
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GBA_MULTICART_CFG_OFFSET = 0x3,
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GBA_MULTICART_CFG_SIZE = 0x4,
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GBA_MULTICART_CFG_SRAM = 0x5,
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GBA_MULTICART_CFG_UNK = 0x6,
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};
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static void _multicartSettle(struct mTiming* timing, void* context, uint32_t cyclesLate);
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void GBAUnlCartInit(struct GBA* gba) {
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memset(&gba->memory.unl, 0, sizeof(gba->memory.unl));
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}
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void GBAUnlCartDetect(struct GBA* gba) {
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if (!gba->memory.rom) {
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return;
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}
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struct GBACartridge* cart = (struct GBACartridge*) gba->memory.rom;
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if (GBAVFameDetect(&gba->memory.unl.vfame, gba->memory.rom, gba->memory.romSize, gba->romCrc32)) {
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gba->memory.unl.type = GBA_UNL_CART_VFAME;
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return;
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}
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if (memcmp(&cart->id, "AXVJ01", 6) == 0) {
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if (gba->romVf && gba->romVf->size(gba->romVf) >= 0x04000000) {
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// Bootleg multicart
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// TODO: Identify a bit more precisely
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gba->isPristine = false;
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GBASavedataInitSRAM(&gba->memory.savedata);
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gba->memory.unl.type = GBA_UNL_CART_MULTICART;
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gba->romVf->unmap(gba->romVf, gba->memory.rom, gba->memory.romSize);
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gba->memory.unl.multi.fullSize = gba->romVf->size(gba->romVf);
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gba->memory.unl.multi.rom = gba->romVf->map(gba->romVf, gba->memory.unl.multi.fullSize, MAP_READ);
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gba->memory.rom = gba->memory.unl.multi.rom;
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gba->memory.hw.gpioBase = NULL;
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gba->memory.unl.multi.settle.context = gba;
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gba->memory.unl.multi.settle.callback = _multicartSettle;
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gba->memory.unl.multi.settle.name = "GBA Unlicensed Multicart Settle";
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gba->memory.unl.multi.settle.priority = 0x71;
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}
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}
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}
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void GBAUnlCartReset(struct GBA* gba) {
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if (gba->memory.unl.type == GBA_UNL_CART_MULTICART) {
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gba->memory.unl.multi.bank = 0;
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gba->memory.unl.multi.offset = 0;
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gba->memory.unl.multi.size = 0;
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gba->memory.rom = gba->memory.unl.multi.rom;
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gba->memory.romSize = GBA_SIZE_ROM0;
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}
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}
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void GBAUnlCartUnload(struct GBA* gba) {
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if (gba->memory.unl.type == GBA_UNL_CART_MULTICART && gba->romVf) {
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gba->romVf->unmap(gba->romVf, gba->memory.unl.multi.rom, gba->memory.unl.multi.size);
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gba->memory.unl.multi.rom = NULL;
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gba->memory.rom = NULL;
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}
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}
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void GBAUnlCartWriteSRAM(struct GBA* gba, uint32_t address, uint8_t value) {
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struct GBAUnlCart* unl = &gba->memory.unl;
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switch (unl->type) {
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case GBA_UNL_CART_VFAME:
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GBAVFameSramWrite(&unl->vfame, address, value, gba->memory.savedata.data);
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return;
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case GBA_UNL_CART_MULTICART:
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mLOG(GBA_MEM, DEBUG, "Multicart writing SRAM %06X:%02X", address, value);
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switch (address) {
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case GBA_MULTICART_CFG_BANK:
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unl->multi.bank = value >> 4;
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mTimingDeschedule(&gba->timing, &unl->multi.settle);
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mTimingSchedule(&gba->timing, &unl->multi.settle, MULTI_SETTLE);
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break;
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case GBA_MULTICART_CFG_OFFSET:
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unl->multi.offset = value & 0x3F;
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mTimingDeschedule(&gba->timing, &unl->multi.settle);
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mTimingSchedule(&gba->timing, &unl->multi.settle, MULTI_SETTLE);
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break;
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case GBA_MULTICART_CFG_SIZE:
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unl->multi.size = 0x40 - (value & 0x3F);
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mTimingDeschedule(&gba->timing, &unl->multi.settle);
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mTimingSchedule(&gba->timing, &unl->multi.settle, MULTI_SETTLE);
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break;
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case GBA_MULTICART_CFG_SRAM:
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if (value == 0 && unl->multi.sramActive) {
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unl->multi.sramActive = false;
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} else if (value == 1 && !unl->multi.sramActive) {
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unl->multi.sramActive = true;
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}
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break;
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case GBA_MULTICART_CFG_UNK:
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// TODO: What does this do?
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unl->multi.unk = value;
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break;
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default:
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break;
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}
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break;
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case GBA_UNL_CART_NONE:
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break;
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}
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gba->memory.savedata.data[address & (GBA_SIZE_SRAM - 1)] = value;
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}
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static void _multicartSettle(struct mTiming* timing, void* context, uint32_t cyclesLate) {
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UNUSED(timing);
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UNUSED(cyclesLate);
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struct GBA* gba = context;
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mLOG(GBA_MEM, INFO, "Switching to bank %i offset %i, size %i",
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gba->memory.unl.multi.bank, gba->memory.unl.multi.offset, gba->memory.unl.multi.size);
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size_t offset = gba->memory.unl.multi.bank * (MULTI_BANK >> 2) + gba->memory.unl.multi.offset * (MULTI_BLOCK >> 2);
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size_t size = gba->memory.unl.multi.size * MULTI_BLOCK;
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if (offset * 4 >= gba->memory.unl.multi.fullSize || offset * 4 + size > gba->memory.unl.multi.fullSize) {
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mLOG(GBA_MEM, GAME_ERROR, "Bank switch was out of bounds, %07" PRIz "X + %" PRIz "X > %07" PRIz "X",
|
||||
offset * 4, size, gba->memory.unl.multi.fullSize);
|
||||
return;
|
||||
}
|
||||
gba->memory.rom = gba->memory.unl.multi.rom + offset;
|
||||
gba->memory.romSize = size;
|
||||
}
|
||||
|
||||
void GBAUnlCartSerialize(const struct GBA* gba, struct GBASerializedState* state) {
|
||||
GBASerializedUnlCartFlags flags = 0;
|
||||
const struct GBAUnlCart* unl = &gba->memory.unl;
|
||||
switch (unl->type) {
|
||||
case GBA_UNL_CART_NONE:
|
||||
return;
|
||||
case GBA_UNL_CART_VFAME:
|
||||
flags = GBASerializedUnlCartFlagsSetType(flags, GBA_UNL_CART_VFAME);
|
||||
flags = GBASerializedUnlCartFlagsSetSubtype(flags, unl->vfame.cartType);
|
||||
mLOG(GBA_MEM, STUB, "Vast Fame save states are not yet implemented");
|
||||
break;
|
||||
case GBA_UNL_CART_MULTICART:
|
||||
flags = GBASerializedUnlCartFlagsSetType(0, GBA_UNL_CART_MULTICART);
|
||||
state->multicart.bank = unl->multi.bank;
|
||||
state->multicart.offset = unl->multi.offset;
|
||||
state->multicart.size = unl->multi.size;
|
||||
state->multicart.sramActive = unl->multi.sramActive;
|
||||
state->multicart.unk = unl->multi.unk;
|
||||
state->multicart.currentSize = gba->memory.romSize / MULTI_BLOCK;
|
||||
STORE_16((gba->memory.rom - unl->multi.rom) / 0x20000, 0, &state->multicart.currentOffset);
|
||||
STORE_32(unl->multi.settle.when, 0, &state->multicart.settleNextEvent);
|
||||
if (mTimingIsScheduled(&gba->timing, &unl->multi.settle)) {
|
||||
STORE_32(GBASerializedMulticartFlagsFillDustSettling(0), 0, &state->multicart.flags);
|
||||
}
|
||||
break;
|
||||
}
|
||||
STORE_32(flags, 0, &state->hw.unlCartFlags);
|
||||
}
|
||||
|
||||
void GBAUnlCartDeserialize(struct GBA* gba, const struct GBASerializedState* state) {
|
||||
GBASerializedUnlCartFlags flags;
|
||||
struct GBAUnlCart* unl = &gba->memory.unl;
|
||||
|
||||
LOAD_32(flags, 0, &state->hw.unlCartFlags);
|
||||
enum GBAUnlCartType type = GBASerializedUnlCartFlagsGetType(flags);
|
||||
if (type != unl->type) {
|
||||
mLOG(GBA_STATE, WARN, "Save state expects different bootleg type; not restoring bootleg state");
|
||||
return;
|
||||
}
|
||||
|
||||
uint32_t when;
|
||||
uint32_t offset;
|
||||
size_t size;
|
||||
GBASerializedMulticartFlags multiFlags;
|
||||
|
||||
switch (type) {
|
||||
case GBA_UNL_CART_NONE:
|
||||
return;
|
||||
case GBA_UNL_CART_VFAME:
|
||||
mLOG(GBA_MEM, STUB, "Vast Fame save states are not yet implemented");
|
||||
return;
|
||||
case GBA_UNL_CART_MULTICART:
|
||||
unl->multi.bank = state->multicart.bank;
|
||||
unl->multi.offset = state->multicart.offset;
|
||||
unl->multi.size = state->multicart.size;
|
||||
unl->multi.sramActive = state->multicart.sramActive;
|
||||
unl->multi.unk = state->multicart.unk;
|
||||
size = state->multicart.currentSize * MULTI_BLOCK;
|
||||
LOAD_16(offset, 0, &state->multicart.currentOffset);
|
||||
offset *= 0x20000;
|
||||
if (offset * 4 >= gba->memory.unl.multi.fullSize || offset * 4 + size > gba->memory.unl.multi.fullSize) {
|
||||
mLOG(GBA_STATE, WARN, "Multicart save state has corrupted ROM offset");
|
||||
} else {
|
||||
gba->memory.romSize = size;
|
||||
gba->memory.rom = unl->multi.rom + offset;
|
||||
}
|
||||
LOAD_32(multiFlags, 0, &state->multicart.flags);
|
||||
if (GBASerializedMulticartFlagsIsDustSettling(multiFlags)) {
|
||||
LOAD_32(when, 0, &state->multicart.settleNextEvent);
|
||||
mTimingSchedule(&gba->timing, &unl->multi.settle, when);
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
|
@ -4,7 +4,7 @@
|
|||
* 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 <mgba/internal/gba/cart/vfame.h>
|
||||
#include <mgba/internal/gba/cart/unlicensed.h>
|
||||
|
||||
#include <mgba/internal/gba/gba.h>
|
||||
#include <mgba/internal/gba/memory.h>
|
||||
|
|
@ -60,25 +60,19 @@ static int8_t _modifySramValue(enum GBAVFameCartType type, uint8_t value, int mo
|
|||
static uint32_t _modifySramAddress(enum GBAVFameCartType type, uint32_t address, int mode);
|
||||
static int _reorderBits(uint32_t value, const uint8_t* reordering, int reorderLength);
|
||||
|
||||
void GBAVFameInit(struct GBAVFameCart* cart) {
|
||||
cart->cartType = VFAME_NO;
|
||||
cart->sramMode = -1;
|
||||
cart->romMode = -1;
|
||||
cart->acceptingModeChange = false;
|
||||
}
|
||||
|
||||
void GBAVFameDetect(struct GBAVFameCart* cart, uint32_t* rom, size_t romSize, uint32_t crc32) {
|
||||
cart->cartType = VFAME_NO;
|
||||
|
||||
bool GBAVFameDetect(struct GBAVFameCart* cart, uint32_t* rom, size_t romSize, uint32_t crc32) {
|
||||
// The initialisation code is also present & run in the dumps of Digimon Ruby & Sapphire from hacked/deprotected reprint carts,
|
||||
// which would break if run in "proper" VFame mode so we need to exclude those..
|
||||
if (romSize == 0x2000000) { // the deprotected dumps are 32MB but no real VF games are this size
|
||||
return;
|
||||
return false;
|
||||
}
|
||||
|
||||
bool detected = false;
|
||||
|
||||
// Most games have the same init sequence in the same place
|
||||
// but LOTR/Mo Jie Qi Bing doesn't, probably because it's based on the Kiki KaiKai engine, so just detect based on its title
|
||||
if (memcmp(INIT_SEQUENCE, &rom[0x57], sizeof(INIT_SEQUENCE)) == 0 || memcmp("\0LORD\0WORD\0\0AKIJ", &((struct GBACartridge*) rom)->title, 16) == 0) {
|
||||
detected = true;
|
||||
cart->cartType = VFAME_STANDARD;
|
||||
mLOG(GBA_MEM, INFO, "Vast Fame game detected");
|
||||
}
|
||||
|
|
@ -87,13 +81,23 @@ void GBAVFameDetect(struct GBAVFameCart* cart, uint32_t* rom, size_t romSize, ui
|
|||
// Their initialisation seems to be identical so the difference must be in the cart HW itself
|
||||
// Other undumped games may have similar differences
|
||||
if (memcmp("George Sango", &((struct GBACartridge*) rom)->title, 12) == 0) {
|
||||
detected = true;
|
||||
cart->cartType = VFAME_GEORGE;
|
||||
mLOG(GBA_MEM, INFO, "George mode");
|
||||
} else if (crc32 == DIGIMON_SAPPHIRE_CHINESE_CRC32) {
|
||||
// Chinese version of Digimon Sapphire; header is identical to the English version which uses the normal reordering
|
||||
// so we have to use some other way to detect it
|
||||
detected = true;
|
||||
cart->cartType = VFAME_ALTERNATE;
|
||||
}
|
||||
|
||||
if (detected) {
|
||||
cart->sramMode = -1;
|
||||
cart->romMode = -1;
|
||||
cart->acceptingModeChange = false;
|
||||
}
|
||||
|
||||
return detected;
|
||||
}
|
||||
|
||||
// This is not currently being used but would be called on ROM reads
|
||||
|
|
@ -235,7 +239,6 @@ static uint32_t _patternRightShift2(uint32_t addr) {
|
|||
}
|
||||
|
||||
void GBAVFameSramWrite(struct GBAVFameCart* cart, uint32_t address, uint8_t value, uint8_t* sramData) {
|
||||
address &= 0x00FFFFFF;
|
||||
// A certain sequence of writes to SRAM FFF8->FFFC can enable or disable "mode change" mode
|
||||
// Currently unknown if these writes have to be sequential, or what happens if you write different values, if anything
|
||||
if (address >= 0xFFF8 && address <= 0xFFFC) {
|
||||
|
|
|
|||
|
|
@ -140,6 +140,9 @@ static void GBAInit(void* cpu, struct mCPUComponent* component) {
|
|||
|
||||
void GBAUnloadROM(struct GBA* gba) {
|
||||
GBAMemoryClearAGBPrint(gba);
|
||||
if (gba->memory.unl.type) {
|
||||
GBAUnlCartUnload(gba);
|
||||
}
|
||||
if (gba->memory.rom && !gba->isPristine) {
|
||||
if (gba->yankedRomSize) {
|
||||
gba->yankedRomSize = 0;
|
||||
|
|
@ -492,7 +495,7 @@ bool GBALoadROM(struct GBA* gba, struct VFile* vf) {
|
|||
gba->cpu->memory.setActiveRegion(gba->cpu, gba->cpu->gprs[ARM_PC]);
|
||||
}
|
||||
GBAHardwareInit(&gba->memory.hw, &((uint16_t*) gba->memory.rom)[GPIO_REG_DATA >> 1]);
|
||||
GBAVFameDetect(&gba->memory.vfame, gba->memory.rom, gba->memory.romSize, gba->romCrc32);
|
||||
GBAUnlCartDetect(gba);
|
||||
// TODO: error check
|
||||
return true;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1033,6 +1033,7 @@ void GBAIOSerialize(struct GBA* gba, struct GBASerializedState* state) {
|
|||
STORE_32(gba->bus, 0, &state->bus);
|
||||
|
||||
GBAHardwareSerialize(&gba->memory.hw, state);
|
||||
GBAUnlCartSerialize(gba, state);
|
||||
}
|
||||
|
||||
void GBAIODeserialize(struct GBA* gba, const struct GBASerializedState* state) {
|
||||
|
|
@ -1082,4 +1083,5 @@ void GBAIODeserialize(struct GBA* gba, const struct GBASerializedState* state) {
|
|||
GBADMARecalculateCycles(gba);
|
||||
GBADMAUpdate(gba);
|
||||
GBAHardwareDeserialize(&gba->memory.hw, state);
|
||||
GBAUnlCartDeserialize(gba, state);
|
||||
}
|
||||
|
|
|
|||
|
|
@ -93,7 +93,7 @@ void GBAMemoryInit(struct GBA* gba) {
|
|||
gba->memory.iwram = &gba->memory.wram[GBA_SIZE_EWRAM >> 2];
|
||||
|
||||
GBADMAInit(gba);
|
||||
GBAVFameInit(&gba->memory.vfame);
|
||||
GBAUnlCartInit(gba);
|
||||
|
||||
gba->memory.ereader.p = gba;
|
||||
gba->memory.ereader.dots = NULL;
|
||||
|
|
@ -139,6 +139,7 @@ void GBAMemoryReset(struct GBA* gba) {
|
|||
}
|
||||
|
||||
GBADMAReset(gba);
|
||||
GBAUnlCartReset(gba);
|
||||
memset(&gba->memory.matrix, 0, sizeof(gba->memory.matrix));
|
||||
}
|
||||
|
||||
|
|
@ -411,7 +412,7 @@ static void GBASetActiveRegion(struct ARMCore* cpu, uint32_t address) {
|
|||
wait += waitstatesRegion[address >> BASE_OFFSET]; \
|
||||
if ((address & (GBA_SIZE_ROM0 - 4)) < memory->romSize) { \
|
||||
LOAD_32(value, address & (GBA_SIZE_ROM0 - 4), memory->rom); \
|
||||
} else if (memory->vfame.cartType) { \
|
||||
} else if (memory->unl.type == GBA_UNL_CART_VFAME) { \
|
||||
value = GBAVFameGetPatternValue(address, 32); \
|
||||
} else { \
|
||||
mLOG(GBA_MEM, GAME_ERROR, "Out of bounds ROM Load32: 0x%08X", address); \
|
||||
|
|
@ -576,7 +577,7 @@ uint32_t GBALoad16(struct ARMCore* cpu, uint32_t address, int* cycleCounter) {
|
|||
wait = memory->waitstatesNonseq16[address >> BASE_OFFSET];
|
||||
if ((address & (GBA_SIZE_ROM0 - 2)) < memory->romSize) {
|
||||
LOAD_16(value, address & (GBA_SIZE_ROM0 - 2), memory->rom);
|
||||
} else if (memory->vfame.cartType) {
|
||||
} else if (memory->unl.type == GBA_UNL_CART_VFAME) {
|
||||
value = GBAVFameGetPatternValue(address, 16);
|
||||
} else if ((address & (GBA_SIZE_ROM0 - 2)) >= AGB_PRINT_BASE) {
|
||||
uint32_t agbPrintAddr = address & 0x00FFFFFF;
|
||||
|
|
@ -601,7 +602,7 @@ uint32_t GBALoad16(struct ARMCore* cpu, uint32_t address, int* cycleCounter) {
|
|||
value = GBACartEReaderRead(&memory->ereader, address);
|
||||
} else if ((address & (GBA_SIZE_ROM0 - 2)) < memory->romSize) {
|
||||
LOAD_16(value, address & (GBA_SIZE_ROM0 - 2), memory->rom);
|
||||
} else if (memory->vfame.cartType) {
|
||||
} else if (memory->unl.type == GBA_UNL_CART_VFAME) {
|
||||
value = GBAVFameGetPatternValue(address, 16);
|
||||
} else {
|
||||
mLOG(GBA_MEM, GAME_ERROR, "Out of bounds ROM Load16: 0x%08X", address);
|
||||
|
|
@ -692,7 +693,7 @@ uint32_t GBALoad8(struct ARMCore* cpu, uint32_t address, int* cycleCounter) {
|
|||
wait = memory->waitstatesNonseq16[address >> BASE_OFFSET];
|
||||
if ((address & (GBA_SIZE_ROM0 - 1)) < memory->romSize) {
|
||||
value = ((uint8_t*) memory->rom)[address & (GBA_SIZE_ROM0 - 1)];
|
||||
} else if (memory->vfame.cartType) {
|
||||
} else if (memory->unl.type == GBA_UNL_CART_VFAME) {
|
||||
value = GBAVFameGetPatternValue(address, 8);
|
||||
} else {
|
||||
mLOG(GBA_MEM, GAME_ERROR, "Out of bounds ROM Load8: 0x%08X", address);
|
||||
|
|
@ -1056,8 +1057,8 @@ void GBAStore8(struct ARMCore* cpu, uint32_t address, int8_t value, int* cycleCo
|
|||
} else if (memory->savedata.type == GBA_SAVEDATA_FLASH512 || memory->savedata.type == GBA_SAVEDATA_FLASH1M) {
|
||||
GBASavedataWriteFlash(&memory->savedata, address, value);
|
||||
} else if (memory->savedata.type == GBA_SAVEDATA_SRAM) {
|
||||
if (memory->vfame.cartType) {
|
||||
GBAVFameSramWrite(&memory->vfame, address, value, memory->savedata.data);
|
||||
if (memory->unl.type) {
|
||||
GBAUnlCartWriteSRAM(gba, address & 0xFFFF, value);
|
||||
} else {
|
||||
memory->savedata.data[address & (GBA_SIZE_SRAM - 1)] = value;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -377,6 +377,12 @@ void GBAOverrideApplyDefaults(struct GBA* gba, const struct Configuration* overr
|
|||
struct GBACartridgeOverride override = { .idleLoop = GBA_IDLE_LOOP_NONE };
|
||||
const struct GBACartridge* cart = (const struct GBACartridge*) gba->memory.rom;
|
||||
if (cart) {
|
||||
if (gba->memory.unl.type == GBA_UNL_CART_MULTICART) {
|
||||
override.savetype = GBA_SAVEDATA_SRAM;
|
||||
GBAOverrideApply(gba, &override);
|
||||
return;
|
||||
}
|
||||
|
||||
memcpy(override.id, &cart->id, sizeof(override.id));
|
||||
|
||||
static const uint32_t pokemonTable[] = {
|
||||
|
|
|
|||
|
|
@ -32,8 +32,17 @@ void GBASerialize(struct GBA* gba, struct GBASerializedState* state) {
|
|||
STORE_64LE(gba->timing.globalCycles, 0, &state->globalCycles);
|
||||
|
||||
if (gba->memory.rom) {
|
||||
state->id = ((struct GBACartridge*) gba->memory.rom)->id;
|
||||
memcpy(state->title, ((struct GBACartridge*) gba->memory.rom)->title, sizeof(state->title));
|
||||
switch (gba->memory.unl.type) {
|
||||
case GBA_UNL_CART_NONE:
|
||||
case GBA_UNL_CART_VFAME:
|
||||
state->id = ((struct GBACartridge*) gba->memory.rom)->id;
|
||||
memcpy(state->title, ((struct GBACartridge*) gba->memory.rom)->title, sizeof(state->title));
|
||||
break;
|
||||
case GBA_UNL_CART_MULTICART:
|
||||
state->id = ((struct GBACartridge*) gba->memory.unl.multi.rom)->id;
|
||||
memcpy(state->title, ((struct GBACartridge*) gba->memory.unl.multi.rom)->title, sizeof(state->title));
|
||||
break;
|
||||
}
|
||||
} else {
|
||||
state->id = 0;
|
||||
memset(state->title, 0, sizeof(state->title));
|
||||
|
|
@ -106,9 +115,21 @@ bool GBADeserialize(struct GBA* gba, const struct GBASerializedState* state) {
|
|||
error = true;
|
||||
}
|
||||
}
|
||||
if (gba->memory.rom && (state->id != ((struct GBACartridge*) gba->memory.rom)->id || memcmp(state->title, ((struct GBACartridge*) gba->memory.rom)->title, sizeof(state->title)))) {
|
||||
mLOG(GBA_STATE, WARN, "Savestate is for a different game");
|
||||
error = true;
|
||||
if (gba->memory.rom) {
|
||||
struct GBACartridge* cart;
|
||||
switch (gba->memory.unl.type) {
|
||||
case GBA_UNL_CART_NONE:
|
||||
case GBA_UNL_CART_VFAME:
|
||||
cart = (struct GBACartridge*) gba->memory.rom;
|
||||
break;
|
||||
case GBA_UNL_CART_MULTICART:
|
||||
cart = (struct GBACartridge*) gba->memory.unl.multi.rom;
|
||||
break;
|
||||
}
|
||||
if (state->id != cart->id || memcmp(state->title, cart->title, sizeof(state->title))) {
|
||||
mLOG(GBA_STATE, WARN, "Savestate is for a different game");
|
||||
error = true;
|
||||
}
|
||||
} else if (!gba->memory.rom && state->id != 0) {
|
||||
mLOG(GBA_STATE, WARN, "Savestate is for a game, but no game loaded");
|
||||
error = true;
|
||||
|
|
|
|||
Loading…
Reference in New Issue