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Fix drive enables, go back to FF for non-existent ports.

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This commit is contained in:
Thomas Harte 2023-12-05 22:02:41 -05:00
parent 084efdeb2d
commit 5576588c2d
1 changed files with 2 additions and 2 deletions
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4
Machines/PCCompatible/PCCompatible.cpp
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@ -63,7 +63,7 @@ class FloppyController {
FloppyController(PIC &pic, DMA &dma, int drive_count) : pic_(pic), dma_(dma) { FloppyController(PIC &pic, DMA &dma, int drive_count) : pic_(pic), dma_(dma) {
// Default: one floppy drive only. // Default: one floppy drive only.
for(int c = 0; c < 4; c++) { for(int c = 0; c < 4; c++) {
drives_[0].exists = drive_count >= c; drives_[c].exists = drive_count > c;
} }
} }
@ -795,7 +795,7 @@ class IO {
// Ignore serial port accesses. // Ignore serial port accesses.
break; break;
} }
return 0; return 0xff;
} }
private: private: