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Stubs in audio toggle and disk control.

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It appears that ROM 01 now fails because reading the disk interface register doesn't do as expected. ROM 03 starts hitting what should be the IWM and dies in a surplus of logging.
This commit is contained in:
Thomas Harte 2020-11-09 22:21:52 -05:00
parent dc8d4d49f5
commit abb350ff5b
1 changed files with 11 additions and 0 deletions
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11
Machines/Apple/AppleIIgs/AppleIIgs.cpp
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@ -427,6 +427,10 @@ class ConcreteMachine:
}
break;
case 0xc030:
printf("TODO: audio toggle\n");
break;
// Addresses that seemingly map to nothing; provided as a separate break out for now,
// while I have an assert on unknown reads.
case 0xc049: case 0xc04a: case 0xc04b: case 0xc04c: case 0xc04d: case 0xc04e: case 0xc04f:
@ -445,6 +449,13 @@ class ConcreteMachine:
}
break;
// Disk drive controls additional to the IWM.
case 0xc031:
// b7: 0 = use head 0; 1 = use head 1.
// b6: 0 = use 5.25" disks; 1 = use 3.5".
printf("TODO: Disk interface register [%d]\n", is_read);
break;
default:
// Check for a card access.
if(address_suffix >= 0xc080 && address_suffix < 0xc800) {