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Insert notes to self, trying to tie down FloppyController interface.

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This commit is contained in:
Thomas Harte 2023-11-27 10:27:36 -05:00
parent d2203484cc
commit 291723e85e
1 changed files with 19 additions and 19 deletions
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38
Machines/PCCompatible/PCCompatible.cpp
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@ -82,6 +82,11 @@ class FloppyController {
}
}
uint8_t read() {
// TODO: is anything being serialised?
return 0x80;
}
private:
void reset() {
decoder_.clear();
@ -823,9 +828,8 @@ class IO {
}
break;
case 0x03b8: /* case 0x03b9: case 0x03ba: case 0x03bb:
case 0x03bc: case 0x03bd: case 0x03be: case 0x03bf: */
mda_.write<8>(value);
case 0x03b8:
mda_.write<8>(uint8_t(value));
break;
case 0x03d0: case 0x03d1: case 0x03d2: case 0x03d3:
@ -838,17 +842,13 @@ class IO {
case 0x03f2:
fdc_.set_digital_output(uint8_t(value));
break;
case 0x03f4:
printf("TODO: FDC write of %02x at %04x\n", value, port);
break;
case 0x03f5:
fdc_.write(uint8_t(value));
break;
case 0x03f3:
case 0x03f4:
case 0x03f6:
case 0x03f7:
printf("TODO: FDC write of %02x at %04x\n", value, port);
break;
case 0x0278: case 0x0279: case 0x027a:
case 0x0378: case 0x0379: case 0x037a:
case 0x03bc: case 0x03bd: case 0x03be:
@ -910,16 +910,16 @@ class IO {
break;
case 0x03f4: return fdc_.status();
case 0x03f5: return fdc_.read();
case 0x03f0:
case 0x03f1:
case 0x03f2:
case 0x03f3:
case 0x03f5:
case 0x03f6:
case 0x03f7:
printf("TODO: FDC read from %04x\n", port);
break;
// 3F0-3F7 Floppy disk controller (except PCjr)
// 3F0 Diskette controller status A
// 3F1 Diskette controller status B
// 3F2 controller control port
// 3F4 controller status register
// 3F5 data register (write 1-9 byte command, see INT 13)
// 3F6 Diskette controller data
// 3F7 Diskette digital input
case 0x02e8: case 0x02e9: case 0x02ea: case 0x02eb:
case 0x02ec: case 0x02ed: case 0x02ee: case 0x02ef: