392 lines
9.4 KiB
C
392 lines
9.4 KiB
C
//////////////////////////////////////////////////////////////////////////////////
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// 本程序移植自网友ye781205的NES模拟器工程
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// ALIENTEK STM32F407开发板
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// NES MAP 驱动代码
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// 正点原子@ALIENTEK
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// 技术论坛:www.openedv.com
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// 创建日期:2014/7/1
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// 版本：V1.0
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//////////////////////////////////////////////////////////////////////////////////
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#include "nes_mapper.h"
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#include "nes_main.h"
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#include "nes_ppu.h"
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#ifndef u8
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#define u8 uint8_t
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#endif
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#ifndef u16
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#define u16 uint16_t
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#endif
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#ifndef u32
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#define u32 uint32_t
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#endif
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#ifndef uint8
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#define uint8 uint8_t
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#endif
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#ifndef uint16
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#define uint16 uint16_t
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#endif
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#ifndef uint32
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#define uint32 uint32_t
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#endif
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#ifndef int32
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#define int32 int32_t
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#endif
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// 根据自己需要添加其他map文件用.
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#include "mapper/000.cpp"
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#include "mapper/001.cpp"
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#include "mapper/002.cpp"
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#include "mapper/003.cpp"
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#include "mapper/004.cpp"
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#include "mapper/006.cpp"
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#include "mapper/007.cpp"
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#include "mapper/008.cpp"
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#include "mapper/011.cpp"
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#include "mapper/013.cpp"
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#include "mapper/015.cpp"
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#include "mapper/016.cpp"
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#include "mapper/017.cpp"
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#include "mapper/018.cpp"
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#include "mapper/019.cpp"
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#include "mapper/021.cpp"
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#include "mapper/022.cpp"
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#include "mapper/023.cpp"
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#include "mapper/024.cpp"
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#include "mapper/025.cpp"
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#include "mapper/032.cpp"
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#include "mapper/033.cpp"
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#include "mapper/034.cpp"
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#include "mapper/064.cpp"
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#include "mapper/065.cpp"
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#include "mapper/066.cpp"
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#include "mapper/067.cpp"
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#include "mapper/069.cpp"
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#include "mapper/070.cpp"
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#include "mapper/071.cpp"
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#include "mapper/072.cpp"
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#include "mapper/073.cpp"
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#include "mapper/075.cpp"
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#include "mapper/076.cpp"
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#include "mapper/078.cpp"
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#include "mapper/079.cpp"
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#include "mapper/085.cpp"
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#include "mapper/087.cpp"
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#include "mapper/088.cpp"
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#include "mapper/099.cpp"
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#include "mapper/113.cpp"
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#include "mapper/189.cpp"
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#include "mapper/225.cpp"
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#include "mapper/227.cpp"
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#include "mapper/240.cpp"
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#include "mapper/245.cpp"
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// 支持的Mapper号,自己添加
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const int MapTab[] = {
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0, 1, 2, 3, 4, 6, 7, 8, 11, 13, 15, 16, 17, 18, 19, 21,
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22, 23, 24, 25, 32, 33, 34, 64, 65, 66, 67, 69, 70, 71, 72, 73,
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75, 76, 78, 79, 85, 87, 88, 99, 113, 189, 225, 227, 240, 245,
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-1, // 最后一个,-1,表示不支持的map号
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};
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#define MASK_BANK(bank, mask) (bank) = ((bank) & (mask))
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#define VALIDATE_VROM_BANK(bank) \
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MASK_BANK(bank, VROM_mask); \
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if ((bank) >= VROM_1K_SIZE) \
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return;
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uint32_t VROM_mask;
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void Mapper_Reset(void) {}
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uint8_t Mapper_ReadLow(uint16_t addr) { return 0; }
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void Mapper_WriteLow(uint16_t addr, uint8_t data) {}
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void Mapper_Write(uint16_t addr, uint8_t data) {}
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void Mapper_Read(uint8_t data, uint16_t addr) {}
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void Mapper_HSync(int scanline) {}
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void Mapper_VSync(void) {}
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void Mapper_Init(void) {
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uint32_t probe;
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NES_Mapper->Reset = Mapper_Reset;
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NES_Mapper->Write = Mapper_Write;
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NES_Mapper->Read = Mapper_Read;
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NES_Mapper->WriteLow = Mapper_WriteLow;
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NES_Mapper->ReadLow = Mapper_ReadLow;
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NES_Mapper->HSync = Mapper_HSync;
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NES_Mapper->VSync = Mapper_VSync;
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VROM_mask = 0xFFFF;
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for (probe = 0x8000; probe; probe >>= 1) {
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if ((VROM_1K_SIZE - 1) & probe)
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break;
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VROM_mask >>= 1;
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}
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switch (MapperNo) {
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case 0:
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MAP0_Init();
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break;
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case 1:
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MAP1_Init();
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break;
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case 2:
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MAP2_Init();
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break;
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case 3:
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MAP3_Init();
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break;
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case 4:
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MAP4_Init();
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break;
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case 6:
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MAP6_Init();
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break;
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case 7:
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MAP7_Init();
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break;
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case 8:
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MAP8_Init();
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break;
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case 11:
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MAP11_Init();
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break;
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case 13:
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MAP13_Init();
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break;
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case 15:
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MAP15_Init();
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break;
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case 16:
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MAP16_Init();
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break;
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case 17:
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MAP17_Init();
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break;
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case 18:
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MAP18_Init();
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break;
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case 19:
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MAP19_Init();
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break;
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case 21:
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MAP21_Init();
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break;
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case 22:
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MAP22_Init();
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break;
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case 23:
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MAP23_Init();
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break;
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case 24:
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MAP24_Init();
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break;
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case 25:
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MAP25_Init();
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break;
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case 32:
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MAP32_Init();
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break;
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case 33:
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MAP33_Init();
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break;
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case 34:
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MAP34_Init();
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break;
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case 64:
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MAP64_Init();
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break;
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case 65:
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MAP65_Init();
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break;
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case 66:
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MAP66_Init();
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break;
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case 67:
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MAP67_Init();
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break;
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case 69:
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MAP69_Init();
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break;
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case 70:
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MAP70_Init();
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break;
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case 71:
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MAP71_Init();
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break;
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case 72:
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MAP72_Init();
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break;
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case 73:
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MAP73_Init();
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break;
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case 75:
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MAP75_Init();
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break;
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case 76:
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MAP76_Init();
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break;
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case 78:
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MAP78_Init();
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break;
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case 79:
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MAP79_Init();
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break;
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case 85:
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MAP85_Init();
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break;
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case 87:
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MAP87_Init();
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break;
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case 88:
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MAP88_Init();
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break;
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case 99:
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MAP99_Init();
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break;
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case 113:
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MAP113_Init();
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break;
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case 189:
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MAP189_Init();
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break;
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case 225:
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MAP225_Init();
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break;
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case 227:
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MAP227_Init();
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break;
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case 240:
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MAP240_Init();
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break;
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case 245:
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MAP245_Init();
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break;
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default:
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break;
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}
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NES_Mapper->Reset();
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}
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void asm_Mapper_Write(uint8_t byData, uint16_t wAddr) {
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NES_Mapper->Write(wAddr, byData);
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}
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void asm_Mapper_ReadLow(uint16_t wAddr) // 添加的
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{
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NES_Mapper->ReadLow(wAddr);
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}
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void asm_Mapper_WriteLow(uint8_t byData, uint16_t wAddr) {
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NES_Mapper->WriteLow(wAddr, byData);
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}
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void set_CPU_bank3(signed char page) { map67_(page); }
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void set_CPU_bank4(signed char page) { map89_(page); }
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void set_CPU_bank5(signed char page) { mapAB_(page); }
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void set_CPU_bank6(signed char page) { mapCD_(page); }
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void set_CPU_bank7(signed char page) { mapEF_(page); }
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void set_CPU_banks(int bank0_num, int bank1_num, int bank2_num, int bank3_num) {
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map89_(bank0_num);
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mapAB_(bank1_num);
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mapCD_(bank2_num);
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mapEF_(bank3_num);
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}
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void set_PPU_banks(uint32_t bank0_num, uint32_t bank1_num, uint32_t bank2_num,
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uint32_t bank3_num, uint32_t bank4_num, uint32_t bank5_num,
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uint32_t bank6_num, uint32_t bank7_num) {
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VALIDATE_VROM_BANK(bank0_num);
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VALIDATE_VROM_BANK(bank1_num);
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VALIDATE_VROM_BANK(bank2_num);
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VALIDATE_VROM_BANK(bank3_num);
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VALIDATE_VROM_BANK(bank4_num);
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VALIDATE_VROM_BANK(bank5_num);
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VALIDATE_VROM_BANK(bank6_num);
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VALIDATE_VROM_BANK(bank7_num);
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ppu->PPU_VRAM_banks[0] = VROM_banks + (bank0_num << 10); // * 0x400
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ppu->PPU_VRAM_banks[1] = VROM_banks + (bank1_num << 10);
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ppu->PPU_VRAM_banks[2] = VROM_banks + (bank2_num << 10);
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ppu->PPU_VRAM_banks[3] = VROM_banks + (bank3_num << 10);
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ppu->PPU_VRAM_banks[4] = VROM_banks + (bank4_num << 10);
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ppu->PPU_VRAM_banks[5] = VROM_banks + (bank5_num << 10);
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ppu->PPU_VRAM_banks[6] = VROM_banks + (bank6_num << 10);
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ppu->PPU_VRAM_banks[7] = VROM_banks + (bank7_num << 10);
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set_tile_banks(VROM_tiles + bank0_num * 0x400, VROM_tiles + bank1_num * 0x400,
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VROM_tiles + bank2_num * 0x400, VROM_tiles + bank3_num * 0x400,
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VROM_tiles + bank4_num * 0x400, VROM_tiles + bank5_num * 0x400,
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VROM_tiles + bank6_num * 0x400,
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VROM_tiles + bank7_num * 0x400);
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}
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void set_PPU_bank0(uint32_t bank_num) {
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VALIDATE_VROM_BANK(bank_num);
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ppu->PPU_VRAM_banks[0] = VROM_banks + (bank_num << 10); // * 0x400
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set_tile_bank(0, VROM_tiles + bank_num * 0x400);
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}
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void set_PPU_bank1(uint32_t bank_num) {
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VALIDATE_VROM_BANK(bank_num);
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ppu->PPU_VRAM_banks[1] = VROM_banks + (bank_num << 10); // * 0x400
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set_tile_bank(1, VROM_tiles + bank_num * 0x400);
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}
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void set_PPU_bank2(uint32_t bank_num) {
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VALIDATE_VROM_BANK(bank_num);
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ppu->PPU_VRAM_banks[2] = VROM_banks + (bank_num << 10); // * 0x400
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set_tile_bank(2, VROM_tiles + bank_num * 0x400);
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}
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void set_PPU_bank3(uint32_t bank_num) {
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VALIDATE_VROM_BANK(bank_num);
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ppu->PPU_VRAM_banks[3] = VROM_banks + (bank_num << 10); // * 0x400
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set_tile_bank(3, VROM_tiles + bank_num * 0x400);
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}
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void set_PPU_bank4(uint32_t bank_num) {
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VALIDATE_VROM_BANK(bank_num);
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ppu->PPU_VRAM_banks[4] = VROM_banks + (bank_num << 10); // * 0x400
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set_tile_bank(4, VROM_tiles + bank_num * 0x400);
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}
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void set_PPU_bank5(uint32_t bank_num) {
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VALIDATE_VROM_BANK(bank_num);
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ppu->PPU_VRAM_banks[5] = VROM_banks + (bank_num << 10); // * 0x400
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set_tile_bank(5, VROM_tiles + bank_num * 0x400);
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}
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void set_PPU_bank6(uint32_t bank_num) {
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VALIDATE_VROM_BANK(bank_num);
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ppu->PPU_VRAM_banks[6] = VROM_banks + (bank_num << 10); // * 0x400
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set_tile_bank(6, VROM_tiles + bank_num * 0x400);
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}
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void set_PPU_bank7(uint32_t bank_num) {
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VALIDATE_VROM_BANK(bank_num);
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ppu->PPU_VRAM_banks[7] = VROM_banks + (bank_num << 10); // * 0x400
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set_tile_bank(7, VROM_tiles + bank_num * 0x400);
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}
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// for mapper 19,68,90
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void set_PPU_bank8(uint32_t bank_num) {
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VALIDATE_VROM_BANK(bank_num);
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ppu->PPU_VRAM_banks[8] = VROM_banks + (bank_num << 10);
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}
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void set_PPU_bank9(uint32_t bank_num) {
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VALIDATE_VROM_BANK(bank_num);
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ppu->PPU_VRAM_banks[9] = VROM_banks + (bank_num << 10);
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}
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void set_PPU_bank10(uint32_t bank_num) {
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VALIDATE_VROM_BANK(bank_num);
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ppu->PPU_VRAM_banks[10] = VROM_banks + (bank_num << 10);
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}
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void set_PPU_bank11(uint32_t bank_num) {
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VALIDATE_VROM_BANK(bank_num);
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ppu->PPU_VRAM_banks[11] = VROM_banks + (bank_num << 10);
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}
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// for mapper 1,4,5,6,13,19,80,85,96,119
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void set_VRAM_bank(uint8_t bank, uint32_t bank_num) {
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if (bank < 8) {
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ppu->PPU_VRAM_banks[bank] = PPU_patterntables + ((bank_num & 0x0f) << 10);
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} else if (bank < 12) {
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set_name_table(bank, bank_num);
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}
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}
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