Turingon/8080-Emulator
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This commit is contained in:
Luxdragon 2024-01-09 10:58:58 +01:00
parent ba3a89628a
commit dabe8f1ff6
1 changed files with 11 additions and 3 deletions
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14
emulator_shell.c
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@ -412,15 +412,18 @@ int emulate8080(State8080* state) {
}
break;
case 0x11: // LXI D, word
{
state->d = opcode[2];
state->e = opcode[1];
state->pc += 2;
}
break;
case 0x13: // INX D
{
state->e++;
if (state->e == 0) {
state->d++;
}
}}
break;
case 0x19: // DAD D
{
@ -440,19 +443,24 @@ int emulate8080(State8080* state) {
break;
case 0x21: // LXI H, word
{
state->h = opcode[2];
state->l = opcode[1];
state->pc += 2;
break;
}
case 0x23: // INX H
{
state->l++;
if (state->l == 0) {
state->h++;
}
}}
break;
case 0x26: // MVI H, byte
{
state->h = opcode[1];
state->pc++;
}
break;
case 0x29: // DAD H
{
@ -625,8 +633,8 @@ int emulate8080(State8080* state) {
}
break;
case 0xc9: // RET
state->sp += 2;
state->pc = (state->memory[state->sp+1] << 8) | state->memory[state->sp];
state->sp += 2;
break;
case 0xcd: // CALL adress
{