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Remove unnecessary "ADDB #$18" as register B will always have this value from 6809 LZSA2 depacker

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Doug Masten 2020-06-24 00:49:09 -05:00
parent 6a47ed7f41
commit e9540b2e3d
1 changed files with 1 additions and 2 deletions
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asm/6809/unlzsa2.s
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@ -141,8 +141,7 @@ lz2repof ldd #$aaaa ; load match offset
cmpb #$18 ; MIN_MATCH_SIZE_V2 + MATCH_RUN_LEN_V2 + 15? cmpb #$18 ; MIN_MATCH_SIZE_V2 + MATCH_RUN_LEN_V2 + 15?
bne lz2gotln ; if not, we have the full match length, go copy bne lz2gotln ; if not, we have the full match length, go copy
ldb ,x+ ; load extra length byte addb ,x+ ; add extra length byte + MIN_MATCH_SIZE_V2 + MATCH_RUN_LEN_V2 + 15
addb #$18 ; add MIN_MATCH_SIZE_V2 + MATCH_RUN_LEN_V2 + 15
bcc lz2gotln ; if no overflow, we have the full length bcc lz2gotln ; if no overflow, we have the full length
beq lz2done ; detect EOD code beq lz2done ; detect EOD code