134 lines
4.7 KiB
C++
134 lines
4.7 KiB
C++
#include <stdio.h>
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#include <stdlib.h>
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#include <fstream>
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#include <sstream>
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#include "../../cpu.h"
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#define GTMAKEROM_MAJOR_VERSION "0.2"
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#define GTMAKEROM_MINOR_VERSION "1"
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#define GTMAKEROM_VERSION_STR "gtmakerom v" GTMAKEROM_MAJOR_VERSION "." GTMAKEROM_MINOR_VERSION
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int main(int argc, char* argv[])
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{
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if(argc != 8)
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{
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fprintf(stderr, "%s\n", GTMAKEROM_VERSION_STR);
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fprintf(stderr, "Usage: gtmakerom <input ROM filename> <input GT1 ROM filename> <output ROM filename> <title> <menu_name>\n <int menu 0 to 5> <uint16_t start_address>\n");
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fprintf(stderr, " <input GT1 ROM filename> must be created with gt1torom.\n");
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fprintf(stderr, " <menu> Snake = 0, Racer = 1, Mandelbrot = 2, Pictures = 3, Credits = 4, Loader = 5\n");
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fprintf(stderr, "Example: gtmakerom ROMv1.rom tetris.rom test.rom \"TTL micromputer test v0\" Tetris 5 0x0B00\n");
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return 1;
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}
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std::string inputFilename = std::string(argv[1]);
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if(inputFilename.find(".rom") == inputFilename.npos && inputFilename.find(".hex") == inputFilename.npos && inputFilename.find(".bin") == inputFilename.npos &&
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inputFilename.find(".ROM") == inputFilename.npos && inputFilename.find(".HEX") == inputFilename.npos && inputFilename.find(".BIN") == inputFilename.npos)
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{
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fprintf(stderr, "Wrong file extension in %s : must be one of : '.rom' or '.hex' or '.bin'\n", inputFilename.c_str());
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return 1;
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}
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// Check for ROM file
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std::ifstream romfile(inputFilename, std::ios::binary | std::ios::in);
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if(!romfile.is_open())
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{
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fprintf(stderr, "gtmakerom : couldn't open %s ROM file.\n", inputFilename.c_str());
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return 1;
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}
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// Load ROM file
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int romSize = 0;
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uint8_t* _ROM = Cpu::getPtrToROM(romSize);
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romfile.read((char *)_ROM, romSize);
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if(romfile.bad() || romfile.fail())
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{
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fprintf(stderr, "gtmakerom : failed to read %s ROM file.\n", inputFilename.c_str());
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return 1;
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}
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// ROM file is not big enough
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if(romfile.gcount() < romSize)
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{
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fprintf(stderr, "gtmakerom : ROM file %s is not large enough : size is %d : required size is %d\n", inputFilename.c_str(), int(romfile.gcount()), romSize);
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return 1;
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}
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// Initialises internal GT1 vector
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Cpu::initialiseInternalGt1s();
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// Patches SYS_Exec_88 loader to accept page0 segments as the first segment and works with 64KB SRAM hardware
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Cpu::patchSYS_Exec_88();
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// Modifies ROM to disable scanline VideoB
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Cpu::patchScanlineModeVideoB();
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std::string gt1Filename = std::string(argv[2]);
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std::string outputFilename = std::string(argv[3]);
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std::string title = std::string(argv[4]);
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std::string menuName = std::string(argv[5]);
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Cpu::InternalGt1Id gt1Id = (Cpu::InternalGt1Id)strtol(argv[6], nullptr, 10);
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// Handles hex numbers
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uint16_t startAddress = 0x0000;
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std::stringstream ss;
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ss << std::hex << argv[7];
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ss >> startAddress;
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Cpu::patchTitleIntoRom(title);
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Cpu::patchSplitGt1IntoRom(gt1Filename, menuName, startAddress, gt1Id);
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// Merged ROM
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std::ofstream outfile(outputFilename, std::ios::binary | std::ios::out);
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if(!outfile.is_open())
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{
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fprintf(stderr, "gtmakerom : failed to open '%s'\n", outputFilename.c_str());
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return 1;
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}
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outfile.write((char *)_ROM, romSize);
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if(outfile.bad() || outfile.fail())
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{
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fprintf(stderr, "gtmakerom : write error in file '%s'\n", outputFilename.c_str());
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return 1;
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}
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// Split ROM
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std::string outputFilename0 = outputFilename + "_i";
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std::ofstream outfile0(outputFilename0, std::ios::binary | std::ios::out);
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if(!outfile0.is_open())
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{
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fprintf(stderr, "gtmakerom : failed to open '%s'\n", outputFilename0.c_str());
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return 1;
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}
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std::string outputFilename1 = outputFilename + "_d";
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std::ofstream outfile1(outputFilename1, std::ios::binary | std::ios::out);
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if(!outfile1.is_open())
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{
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fprintf(stderr, "gtmakerom : failed to open '%s'\n", outputFilename1.c_str());
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return 1;
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}
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for(int i=0; i<romSize; i+=2)
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{
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outfile0.write((char *)&_ROM[i + 0], 1);
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if(outfile0.bad() || outfile0.fail())
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{
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fprintf(stderr, "gtmakerom : write error at address %04x in file '%s'\n", i, outputFilename0.c_str());
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return 1;
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}
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outfile1.write((char *)&_ROM[i + 1], 1);
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if(outfile1.bad() || outfile1.fail())
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{
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fprintf(stderr, "gtmakerom : write error at address %04x in file '%s'\n", i, outputFilename1.c_str());
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return 1;
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}
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}
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fprintf(stderr, "%s success.\n", GTMAKEROM_VERSION_STR);
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return 0;
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}
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