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Added print debug info, .write_byte and .read_byte to cpu, with boundary check and rewrote the test program to use those.

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SamsonLib 2025-06-14 13:23:11 +02:00
parent e6829ef94c
commit cb485588cd
2 changed files with 31 additions and 7 deletions
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23
core/ARM/cpu.h
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@ -11,7 +11,28 @@ struct CPU {
CPU() { std::memset(memory, 0, MEM_SIZE); }
uint64_t& x(int i) { return regs[i]; }
uint64_t &x(int i) { return regs[i]; }
uint8_t read_byte(uint64_t addr) {
if (addr >= MEM_SIZE) {
printf("%s out of bounds\n", addr);
}
return memory[addr];
}
void write_byte(uint64_t addr, uint8_t byte) {
if (addr >= MEM_SIZE) {
printf("%s out of bounds\n", addr);
}
memory[addr] = byte;
}
void print_debug_information() {
printf("PC = %lu\n", pc);
for (int reg = 0; reg < 32; reg++) {
printf("X%i = %lu\n", reg, x(reg)); // X0 = 0...
}
}
};
#endif