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Load up on debugging logs.

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This commit is contained in:
Thomas Harte 2023-11-28 15:09:57 -05:00
parent b860fba0a3
commit dd4bcf68bf
1 changed files with 8 additions and 0 deletions
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8
Machines/PCCompatible/PCCompatible.cpp
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@ -45,6 +45,8 @@ class FloppyController {
FloppyController(PIC &pic, DMA &dma) : pic_(pic), dma_(dma) {}
void set_digital_output(uint8_t control) {
printf("FDC DOR: %02x\n", control);
// b7, b6, b5, b4: enable motor for drive 4, 3, 2, 1;
// b3: 1 => enable DMA; 0 => disable;
// b2: 1 => enable FDC; 0 => hold at reset;
@ -64,6 +66,7 @@ class FloppyController {
}
uint8_t status() const {
printf("FDC: read status %02x\n", status_.main());
return status_.main();
}
@ -78,10 +81,12 @@ class FloppyController {
break;
case Command::Invalid:
printf("FDC: Invalid\n");
results_.serialise_none();
break;
case Command::SenseInterruptStatus:
printf("FDC: SenseInterruptStatus\n");
pic_.apply_edge<6>(false);
if(interrupting_drives_) {
@ -121,14 +126,17 @@ class FloppyController {
if(results_.empty()) {
status_.set(MainStatus::DataIsToProcessor, false);
}
printf("FDC read: %02x\n", result);
return result;
}
printf("FDC read?\n");
return 0x80;
}
private:
void reset() {
printf("FDC reset\n");
decoder_.clear();
status_.reset();
pic_.apply_edge<6>(true);