314 lines
8.5 KiB
C
314 lines
8.5 KiB
C
#include "stm32f4xx.h"
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#include "nes_main.h"
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#include "nes_ppu.h"
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#include "nes_mapper.h"
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//////////////////////////////////////////////////////////////////////////////////
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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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//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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{
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0,1,2,3,4,6,7,8,11,13,15,16,17,18,19,21,22,23,24,25,32,33,34,
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64,65,66,67,69,70,71,72,73,75,76,78,79,85,87,88,99,113,
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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) return;
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uint32 VROM_mask;
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void Mapper_Reset(void){}
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uint8 Mapper_ReadLow(uint16 addr){ return 0;}
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void Mapper_WriteLow(uint16 addr,uint8 data){}
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void Mapper_Write( uint16 addr , uint8 data){}
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void Mapper_Read( uint8 data,uint16 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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{
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uint32 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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{
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if((VROM_1K_SIZE-1) & probe) break;
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VROM_mask >>= 1;
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}
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switch (MapperNo)
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{
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case 0 :MAP0_Init();break;
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case 1 :MAP1_Init();break;
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case 2 :MAP2_Init();break;
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case 3 :MAP3_Init();break;
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case 4 :MAP4_Init();break;
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case 6 :MAP6_Init();break;
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case 7 :MAP7_Init();break;
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case 8 :MAP8_Init();break;
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case 11:MAP11_Init();break;
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case 13:MAP13_Init();break;
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case 15:MAP15_Init();break;
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case 16:MAP16_Init();break;
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case 17:MAP17_Init();break;
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case 18:MAP18_Init();break;
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case 19:MAP19_Init();break;
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case 21:MAP21_Init();break;
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case 22:MAP22_Init();break;
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case 23:MAP23_Init();break;
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case 24:MAP24_Init();break;
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case 25:MAP25_Init();break;
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case 32:MAP32_Init();break;
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case 33:MAP33_Init();break;
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case 34:MAP34_Init();break;
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case 64:MAP64_Init();break;
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case 65:MAP65_Init();break;
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case 66:MAP66_Init();break;
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case 67:MAP67_Init();break;
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case 69:MAP69_Init();break;
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case 70:MAP70_Init();break;
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case 71:MAP71_Init();break;
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case 72:MAP72_Init();break;
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case 73:MAP73_Init();break;
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case 75:MAP75_Init();break;
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case 76:MAP76_Init();break;
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case 78:MAP78_Init();break;
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case 79:MAP79_Init();break;
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case 85:MAP85_Init();break;
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case 87:MAP87_Init();break;
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case 88:MAP88_Init();break;
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case 99:MAP99_Init();break;
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case 113:MAP113_Init();break;
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case 189:MAP189_Init();break;
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case 225:MAP225_Init();break;
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case 227:MAP227_Init();break;
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case 240:MAP240_Init();break;
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case 245:MAP245_Init();break;
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default: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 byData,uint16 wAddr)
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{
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NES_Mapper->Write(wAddr,byData);
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}
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void asm_Mapper_ReadLow( uint16 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 byData ,uint16 wAddr)
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{
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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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{
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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 bank0_num, uint32 bank1_num,
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uint32 bank2_num, uint32 bank3_num,
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uint32 bank4_num, uint32 bank5_num,
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uint32 bank6_num, uint32 bank7_num)
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{
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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 ,
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VROM_tiles + bank1_num * 0x400 ,
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VROM_tiles + bank2_num * 0x400 ,
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VROM_tiles + bank3_num * 0x400 ,
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VROM_tiles + bank4_num * 0x400 ,
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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 bank_num)
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{
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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 bank_num)
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{
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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 bank_num)
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{
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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 bank_num)
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{
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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 bank_num)
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{
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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 bank_num)
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{
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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 bank_num)
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{
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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 bank_num)
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{
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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 bank_num)
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{
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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 bank_num)
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{
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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 bank_num)
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{
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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 bank_num)
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{
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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 bank, uint32 bank_num)
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{
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if(bank < 8)
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{
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ppu->PPU_VRAM_banks[bank] = PPU_patterntables + ((bank_num & 0x0f) << 10);
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}
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else if(bank < 12)
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{
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set_name_table(bank, bank_num);
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}
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}
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