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More asm fixes

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Emmanuel Marty 2020-01-08 13:11:43 +01:00 committed by GitHub
parent aa122d1e05
commit 693618f100
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2 changed files with 5 additions and 5 deletions
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2
asm/6502/decompress_faster_v1.asm
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@ -5,7 +5,7 @@
; ;
; NMOS 6502 decompressor for data stored in Emmanuel Marty's LZSA1 format. ; NMOS 6502 decompressor for data stored in Emmanuel Marty's LZSA1 format.
; ;
; This code is written for the PCEAS/NECASM assembler in HuC & MagicKit. ; This code is written for the ACME assembler.
; ;
; Optional code is presented for one minor 6502 optimization that breaks ; Optional code is presented for one minor 6502 optimization that breaks
; compatibility with the current LZSA1 format standard. ; compatibility with the current LZSA1 format standard.

8
asm/6502/decompress_faster_v2.asm
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@ -197,7 +197,7 @@ DECOMPRESS_LZSA2_FAST:
lzsa2_unpack: ldy #0 ; Initialize source index. lzsa2_unpack: ldy #0 ; Initialize source index.
sty <lzsa_nibflg ; Initialize nibble buffer. sty <lzsa_nibflg ; Initialize nibble buffer.
!if !(LZSA_FROM_BANK | LZSA_NO_INLINE | LZSA_USE_FFFF) { !if (LZSA_FROM_BANK | LZSA_NO_INLINE | LZSA_USE_FFFF) = 0 {
beq .cp_length ; always taken beq .cp_length ; always taken
.incsrc1: .incsrc1:
@ -232,10 +232,10 @@ lzsa2_unpack: ldy #0 ; Initialize source index.
lda (lzsa_srcptr),y lda (lzsa_srcptr),y
inc <lzsa_srcptr + 0 inc <lzsa_srcptr + 0
beq .incsrc1 beq .incsrc1
.resume_src1:
} }
.resume_src1:
sta <lzsa_cmdbuf ; Preserve this for later. sta <lzsa_cmdbuf ; Preserve this for later.
and #$18 ; Extract literal length. and #$18 ; Extract literal length.
beq .lz_offset ; Skip directly to match? beq .lz_offset ; Skip directly to match?
@ -491,7 +491,7 @@ lzsa2_unpack: ldy #0 ; Initialize source index.
jmp .cp_length ; Loop around to the beginning. jmp .cp_length ; Loop around to the beginning.
!if !(LZSA_FROM_BANK | LZSA_NO_INLINE | LZSA_USE_FFFF) { !if (LZSA_FROM_BANK | LZSA_NO_INLINE | LZSA_USE_FFFF) = 0 {
.incsrc3: .incsrc3:
inc <lzsa_srcptr + 1 inc <lzsa_srcptr + 1
@ -628,7 +628,7 @@ lzsa2_new_nibble:
} }
!if !(LZSA_FROM_BANK | LZSA_NO_INLINE | LZSA_USE_FFFF) { !if (LZSA_FROM_BANK | LZSA_NO_INLINE | LZSA_USE_FFFF) = 0 {
.incsrc4: .incsrc4:
inc <lzsa_srcptr + 1 inc <lzsa_srcptr + 1