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fix bug in MEMTOP routine. Reorder instructions to reduce byte-level similarity with C64 KERNAL, even though it should be totally fine.

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Paul Gardner-Stephen committed 2019-04-24 14:24:12 +09:30
1 parent a311c08289
commit 27e6f92b39
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c64/kernal/memtop.s
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@@ -5,11 +5,11 @@ memtop:
;; http://unusedino.de/ec64/technical/project64/mapping_c64.html ;; http://unusedino.de/ec64/technical/project64/mapping_c64.html
bcc memtop_set bcc memtop_set
LDX MEMSIZ+0
LDY MEMSIZ+1 LDY MEMSIZ+1
LDX MEMSIZ+0
rts rts
memtop_set: memtop_set:
sty MEMSIZ+1
stx MEMSIZ+0 stx MEMSIZ+0
stx MEMSIZ+1
rts rts