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Merge pull request #322 from greg-king5/inflatemem

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Make inflatemem()'s source file use its enhanced instructions for 65SC02 CPUs, too.
This commit is contained in:
Oliver Schmidt 2016-07-10 19:36:35 +02:00 committed by GitHub
commit 06bb95d197
1 changed files with 11 additions and 12 deletions
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23
libsrc/zlib/inflatemem.s
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@ -9,6 +9,8 @@
.import incsp2
.importzp sp, sreg, ptr1, ptr2, ptr3, ptr4, tmp1
.macpack cpu
; --------------------------------------------------------------------------
;
; Constants
@ -75,7 +77,7 @@ _inflatemem:
sta inputPointer
stx inputPointer+1
; outputPointer = dest
.ifpc02
.if (.cpu & CPU_ISET_65SC02)
lda (sp)
ldy #1
.else
@ -106,7 +108,7 @@ inflatemem_1:
; return outputPointer - dest;
lda outputPointer
.ifpc02
.if (.cpu & CPU_ISET_65SC02)
sbc (sp) ; C flag is set
ldy #1
.else
@ -156,14 +158,14 @@ inflateCopyBlock:
moveBlock:
ldy moveBlock_len
beq moveBlock_1
.ifpc02
.if (.cpu & CPU_ISET_65SC02)
.else
ldy #0
.endif
inc moveBlock_len+1
moveBlock_1:
lda (0,x)
.ifpc02
.if (.cpu & CPU_ISET_65SC02)
sta (outputPointer)
.else
sta (outputPointer),y
@ -176,7 +178,7 @@ moveBlock_2:
bne moveBlock_3
inc outputPointer+1
moveBlock_3:
.ifpc02
.if (.cpu & CPU_ISET_65SC02)
dey
.else
dec moveBlock_len
@ -312,7 +314,7 @@ inflateCodes_1:
jsr fetchPrimaryCode
bcs inflateCodes_2
; Literal code
.ifpc02
.if (.cpu & CPU_ISET_65SC02)
sta (outputPointer)
.else
ldy #0
@ -512,7 +514,7 @@ getValue:
getBits:
cpx #0
beq getBits_ret
.ifpc02
.if (.cpu & CPU_ISET_65SC02)
stz getBits_tmp
dec getBits_tmp
.else
@ -542,7 +544,7 @@ getBit:
lsr getBit_hold
bne getBit_ret
pha
.ifpc02
.if (.cpu & CPU_ISET_65SC02)
lda (inputPointer)
.else
sty getBit_hold
@ -554,7 +556,7 @@ getBit:
bne getBit_1
inc inputPointer+1
getBit_1:
ror a ; C flag is set
ror a ; (C flag was set)
sta getBit_hold
pla
getBit_ret:
@ -668,6 +670,3 @@ bitsPointer_h:
; Sorted codes.
sortedCodes:
.res 256+1+29+30+2