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https://github.com/badvision/lawless-legends.git
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Merge d4d3c59b8c
into 4946dbd1e9
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commit
b869a0ccbc
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@ -33,8 +33,9 @@ DEBUG = 0
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decomp !zone {
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jsr .chkdst
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ldy #0 ; In lit loop Y must be zero
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sec
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.fill1A jsr .getbt2
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jmp .fill1B
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bne .fill1B ; always taken
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.incdst inc pDst+1
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.chkdst ldx pDst+1
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@ -174,19 +175,19 @@ decomp !zone {
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bne .gshift ; always taken
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; Get another 8 bits into our bit buffer. Destroys X. Preserves A. Requires Y=0.
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; Carry is always set on entry, Z always clear on exit
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; Alternately, use .getbt2 to preserve X and destroy A
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.getbts tax
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.getbt2 lda (pSrc),y
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inc pSrc
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beq .src3A
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.src3B sec
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rol
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sta bits
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txa
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inc pSrc
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beq .src3A
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rts
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.src3A inc pSrc+1
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bne .src3B ; always taken
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rts
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} ; end of zone
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@ -364,7 +364,7 @@ export asm memcpy(pSrc, pDst, len, auxWr)#0
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inc pTmp+1
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bne .pglup ; always taken
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.part:
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cpx #0
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txa
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beq .done
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- lda (tmp),y
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sta (pTmp),y
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@ -390,8 +390,8 @@ export asm memset(pDst, val, len)#0
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lda evalStkL,x ; len lo
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pha
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lda evalStkH,x ; len hi
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tax
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beq +
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tax
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lda tmp
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- sta (pTmp),y
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iny
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@ -420,10 +420,10 @@ export asm readAuxByte(ptr)#1
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sta $10-1,y
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dey
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bne -
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jmp $10
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.rdauxb
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sei ; prevent interrupts while in aux mem
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sta setAuxRd
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jmp $10
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.rdauxb
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lda (pTmp),y
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sta clrAuxRd
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cli
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@ -462,19 +462,19 @@ end
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export asm finishString(isPlural)#1
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!zone {
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+asmPlasmRet 1
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ldy prevCSWL+ABS_OFFSET ; put the cout vector back to default
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sty cswl
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ldy prevCSWL+1+ABS_OFFSET ; put the cout vector back to default
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sty cswh
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ldy #0 ; dest offset in Y (will be incremented before store)
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cpy inbuf
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beq .done1 ; failsafe: handle zero-length string
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tax ; test for isPlural == 0
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beq +
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lda #$40 ; for setting V later
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+ sta tmp ; save isPlural flag
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lda prevCSWL+ABS_OFFSET ; put the cout vector back to default
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sta cswl
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lda prevCSWL+1+ABS_OFFSET ; put the cout vector back to default
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sta cswh
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clv ; V flag for prev-is-alpha
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ldy #0 ; dest offset in Y (will be incremented before store)
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ldx #0 ; source offset in X (will be incremented before load)
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cpx inbuf
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beq .done ; failsafe: handle zero-length string
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.fetch
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inx
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lda inbuf,x ; get next input char
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@ -488,11 +488,11 @@ export asm finishString(isPlural)#1
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dey ; undo copy of the paren
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stx tmp+1 ; save position in input
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dex ; needed for failsafe operation
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bit tmp ; set copy flag (V) initially to same as isPlural flag
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.findsl ; see if there's a slash within the parens
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inx
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cpx inbuf
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bcs .done ; failsafe: handle missing end-paren
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lda inbuf,x
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ora #$80 ; normalize hi-bit for comparisons below
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cmp #"/"
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@ -503,11 +503,8 @@ export asm finishString(isPlural)#1
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pha
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plp
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+ cmp #")" ; scan until ending paren
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beq +
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cpx inbuf
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bcc .findsl ; loop to scan next char
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bcs .done ; failsafe: handle missing end-paren (always taken)
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+ ldx tmp+1 ; get back to start of parens
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bne .findsl ; loop to scan next char
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ldx tmp+1 ; get back to start of parens
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; copy mode flag is now in V: if slash present, single=copy, plural=nocopy
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; if no slash: single=nocopy, plural=copy
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.plup
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@ -541,6 +538,7 @@ export asm finishString(isPlural)#1
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.done
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sty inbuf ; save new length
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.done1
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lda #<inbuf ; return pointer to string
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ldy #>inbuf
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rts
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@ -575,8 +573,8 @@ export asm blit(isAux, srcData, dstScreenPtr, nLines, lineSize)#0
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lsr ; to carry bit
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bcc +
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ldy #15 ; put aux copy routine in zero page
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- lda .cpaux + ABS_OFFSET,y
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sta $10,y
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- ldx .cpaux + ABS_OFFSET,y
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stx $10,y
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dey
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bpl -
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+ pla ; get line count
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@ -694,8 +692,9 @@ export asm puts(str)#0
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sta pTmp
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lda #'!'
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ldx #1
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sty pTmp+1
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tya
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beq + ; safety: print '!' instead of null string
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sty pTmp+1
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ldy #0
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lda (pTmp),y
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tax
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@ -913,9 +912,8 @@ export asm rawDisplayStr(pStr)#0
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lda (pTmp),y
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sta tmp
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- cpy tmp
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bcc +
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rts
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+ iny
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bcs ++
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iny
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lda (pTmp),y
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ora #$80
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cmp #"^"
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@ -929,7 +927,8 @@ export asm rawDisplayStr(pStr)#0
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+ sty tmp+1
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jsr DisplayChar
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ldy tmp+1
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bne -
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bne - ; always taken
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++rts
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end
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///////////////////////////////////////////////////////////////////////////////////////////////////
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@ -991,8 +990,8 @@ export asm streqi(a, b)#1
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lda evalStkL+1,x
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sta pTmp
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lda evalStkH+1,x
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sta pTmp+1
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beq .null
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sta pTmp+1
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ldy #0
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lda (tmp),y
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cmp (pTmp),y
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@ -1004,21 +1003,16 @@ export asm streqi(a, b)#1
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+ tax ; count up to (verified same) length of the strings
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- iny
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lda (tmp),y
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cmp #('z'&$7F)+1 ; convert to upper case
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bcs +
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eor (pTmp),y
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beq + ; matched
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cmp #$20 ; check for case bit
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bne .noteqi ; abort on alpha inequality
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ora (tmp),y ; convert to lower case
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cmp #('z'&$7F)+1
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bcs .noteqi ; abort on inequality
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cmp #'a'&$7F
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bcc +
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sbc #$20
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+ sta ysav
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lda (pTmp),y
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cmp #('z'&$7F)+1 ; convert to upper case
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bcs +
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cmp #'a'&$7F
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bcc +
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sbc #$20
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+ cmp ysav
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bne .noteqi ; abort on inequality
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dex
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bcc .noteqi ; abort on inequality
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+ dex
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bne -
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lda #1
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ldy #0 ; okay, they're equal. Return 1 (not just any char; so that PLASMA when...is can work)
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