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Changed ADD to clear and populate carry.

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Run/Step only when not halted.
Reversed speed control.
This commit is contained in:
Sam Stevens
2018-11-12 21:36:22 +00:00
parent 7aa4aa79fb
commit 0895ce02b2
5 changed files with 45 additions and 26 deletions
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12
arduino/Interface.cpp
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@@ -55,17 +55,19 @@ void Interface::loop() {
uint8_t addrInputL = ~reverse8(input->getInput(1));
uint8_t swInput = input->getInput(2);
uint16_t addrInput = (addrInputH << 8) + addrInputL;
//Check for buttons on rising edge
if ((swLast & SW_RUN) == 0 && (swInput & SW_RUN) == SW_RUN) {
if (vm->run) {
vm->run = false;
} else {
vm->run = true;
vm->halted = false;
if (vm->halted == false) {
vm->run = true;
}
}
}
else if ((swLast & SW_STEP) == 0 && (swInput & SW_STEP) == SW_STEP) {
if (vm->run == false) {
if (vm->run == false && vm->halted == false) {
vm->halted = false;
vm_step(vm);
}
@@ -148,10 +150,6 @@ void Interface::loop() {
//Program counter and Instruction
uint16_t pc = vm->PC;
uint16_t instr = (mem->read(pc) << 8) + mem->read(pc + 1);
// disp->output((uint8_t)0xF);
// disp->output((uint8_t)0xF);
// disp->output((uint8_t)0xF);
// disp->output((uint8_t)0xF);
disp->output16(instr);
disp->output16(pc);