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Change boot2 to use new offsets as well

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Byron Lathi
2023-10-25 18:56:15 -07:00
parent b6e3b79bda
commit 6fabd23125
1 changed files with 6 additions and 3 deletions
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9
sw/bios/boot2.s
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@@ -159,9 +159,12 @@ _start:
sec sec
sbc #$02 ; don't handle carry, assume low byte is not 0 or 1 sbc #$02 ; don't handle carry, assume low byte is not 0 or 1
ldx data_start + 1 ; load x as high data start ldx data_start + 1 ; load x as high data start
asl ; multiply cluster num (minus 2) by 8 phx
asl ldx sectors_per_cluster ; multiply cluster num (minus 2) by sectors_per_cluster
asl @4: adc tmp1
dex
bne @4
plx
clc clc
adc data_start ; add that to low data start adc data_start ; add that to low data start
bcc @5 ; handle carry bcc @5 ; handle carry