mirror of
https://github.com/tuz358/cpu-emulator.git
synced 2025-12-16 20:17:04 +03:00
45 lines
1.4 KiB
C++
45 lines
1.4 KiB
C++
#include "include/emulator.h"
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void Emulator::init(size_t memorysize, FILE *bin){
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memory.init(memorysize);
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memory.load_binary(bin);
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instructions.init(0, (int)memorysize, memory);
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}
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void Emulator::free(){
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memory.free_memory();
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}
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void Emulator::exec(uint8_t opcode){
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instructions.execute_opcode(opcode);
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}
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void Emulator::dump_registers(){
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printf("eax = 0x%08x (%d)\n", instructions.registers[0], instructions.registers[0]);
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printf("ecx = 0x%08x (%d)\n", instructions.registers[1], instructions.registers[1]);
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printf("edx = 0x%08x (%d)\n", instructions.registers[2], instructions.registers[2]);
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printf("ebx = 0x%08x (%d)\n", instructions.registers[3], instructions.registers[3]);
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printf("esp = 0x%08x (%d)\n", instructions.registers[4], instructions.registers[4]);
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printf("ebp = 0x%08x (%d)\n", instructions.registers[5], instructions.registers[5]);
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printf("esi = 0x%08x (%d)\n", instructions.registers[6], instructions.registers[6]);
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printf("edi = 0x%08x (%d)\n", instructions.registers[7], instructions.registers[7]);
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printf("eip = 0x%08x (%d)\n", instructions.eip, instructions.eip);
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}
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uint8_t Emulator::read_next_opcode(){
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uint8_t opcode = memory.read_uint8(instructions.eip);
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instructions.eip++;
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return opcode;
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}
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uint8_t Emulator::read_uint8(uint32_t addr){
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uint8_t data = memory.read_uint8(addr);
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return data;
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}
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uint32_t Emulator::get_eip(){
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return instructions.eip;
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}
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