added protection against DOS memory damage

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FeralChild64 committed 2020-08-23 15:43:04 +02:00
1 parent 56b9571b62
commit 4f417d714e
3 files changed
+49 -3

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+6 -3
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@@ -6,6 +6,9 @@
// Page 0
//
.label UNIT_SDCARD = $00
.label UNIT_FLOPPY = $01
.label UNIT_RAMDISK = $02
.label MAGICSTR = $00 // magic string; if not matching, DOS considered non-functional
.label UNIT_SDCARD = $05
.label UNIT_FLOPPY = $06
.label UNIT_RAMDISK = $07