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https://github.com/a2-4am/4cade.git
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shave some bytes
This commit is contained in:
Peter Ferrie
parent
532ce58a16
commit
68bb9e0454
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@ -7,7 +7,7 @@
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;
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; LC RAM BANK 1
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; D000..E908 - persistent data structures (gGlobalPrefsStore, gGamesListStore)
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; E912..FFF1 - main program code
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; E92D..FFF1 - main program code
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; FFF2..FFF9 - API functions and global constants available for main program
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; code, prelaunchers, transition effects, &c.
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; (Wait/UnwaitForVBL, MockingboardStuff, MachineStatus)
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12
src/macros.a
12
src/macros.a
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@ -114,8 +114,9 @@
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}
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; compare a 16-bit value in A (low) and Y (high) to an absolute address
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; zeroes A!
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!macro CMP16ADDR .addr {
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cmp .addr
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eor .addr
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bne +
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cpy .addr+1
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+
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@ -221,15 +222,6 @@
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bit $C082
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}
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!macro LOW_ASCII_TO_LOWER {
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cmp #$41
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bcc +
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cmp #$5B
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bcs +
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ora #$20
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+
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}
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; requires setting zpCharMask in zero page to #$FF or #$DF before use
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!macro FORCE_UPPERCASE_IF_REQUIRED {
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cmp #$E1
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25
src/okvs.a
25
src/okvs.a
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@ -231,7 +231,7 @@ okvs_append
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; out: if C clear, record was found
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; A/Y = lo/hi address of key (okvs_find) or value (okvs_get)
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; $WINDEX = index of found record (word)
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; if C set, keyrecord was not found and all registers are clobbered
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; if C set, keyrecord was not found and X/Y are clobbered, A=0
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; all other flags clobbered
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; $00/$01 clobbered
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; $02/$03 clobbered
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@ -268,15 +268,13 @@ okvs_get
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iny
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sty KEYLEN
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@matchRecordLoop
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lda PTR+1
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sta DEST+1
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lda PTR
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+LD16 PTR
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clc
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adc #2
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sta DEST
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bcc +
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inc DEST+1 ; DEST -> key of this record
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+ ldy #0
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iny ; DEST -> key of this record
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+ +ST16 DEST
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ldy #0
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@matchKeyLoop
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lda (SRC),y
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cmp (DEST),y
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@ -302,7 +300,7 @@ KEYLEN = *+1
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cmp WCOUNT
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bne @matchRecordLoop
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lda WINDEX+1
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cmp WCOUNT+1
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eor WCOUNT+1
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bne @matchRecordLoop
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@fail sec
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rts
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@ -338,7 +336,6 @@ okvs_next
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+LD16 WINDEX
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+CMP16ADDR WCOUNT
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bne +
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lda #0
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sta WINDEX
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sta WINDEX+1
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+
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@ -367,13 +364,13 @@ okvs_nth
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jmp @next
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- jsr derefptr
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@next
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dec SAVE
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lda SAVE
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cmp #$FF
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dec SAVE
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tay
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bne -
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dec SAVE+1
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lda SAVE+1
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cmp #$FF
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dec SAVE+1
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tay
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bne -
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jsr incptr2
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+LD16 PTR
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@ -473,7 +470,7 @@ okvs_iter_values
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lda #2 ; for iter, skip length = 2
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@branch bne + ; SMC (iter_values puts a BIT here, so no branch)
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; for iter_values, skip length = length(key) + 2 + 1
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ldy #2
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tay ;;ldy #2
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lda (PTR),y ; A = length of key
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clc
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adc #3 ; skip over pointer to next record (2 bytes) + key length (1 byte)
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@ -132,7 +132,6 @@ pref_get
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+ !word $FDFD ; SMC
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bcc + ; found key, continue
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.useDefaultValue ; did not find key, use first key in passed store as a default value
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lda #0
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sta WINDEX
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sta WINDEX+1
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+
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@ -99,9 +99,9 @@ TextRankCallback
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+ST16 zpword
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ldy #0
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lda (zpstring),y
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sec
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sbc #1
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cmp InputLength
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tax
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dex
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cpx InputLength
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bcc ++
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sta gamelength
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sty runningscore
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@ -110,11 +110,11 @@ TextRankCallback
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sty startat
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- sty i
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lda (zpword),y
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+LOW_ASCII_TO_LOWER
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jsr tolower
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sta tmp
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ldy startat
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-- lda (zpstring),y
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+LOW_ASCII_TO_LOWER
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jsr tolower
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cmp tmp
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beq +
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cpy gamelength
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@ -165,7 +165,7 @@ TextRankCallback
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pha
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ldy #1
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lda (zpstring),y
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+LOW_ASCII_TO_LOWER
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jsr tolower
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sta firstletter
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pla
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ldx InputBuffer
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@ -208,3 +208,11 @@ TextRankCallback
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bne -
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lda num1
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rts
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tolower
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cmp #$41
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bcc +
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cmp #$5B
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bcs +
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ora #$20
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+ rts
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@ -28,9 +28,9 @@ Home
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; bits 1-4 reserved
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; bit 0 = 1 -> disable bank latch
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sta NEWVIDEO
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lda #$F0
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sta TBCOLOR ; white text on black background
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lda #$00
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ldy #$F0
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sty TBCOLOR ; white text on black background
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lsr
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sta CLOCKCTL ; black border
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sta CLOCKCTL ; set twice for VidHD
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@noSHR
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@ -23,11 +23,11 @@ Credits
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!word $8000
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-- jsr ForceHGRMode
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jsr ClearOffscreen
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lda OffscreenPage
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ldx #0
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- lda OffscreenPage
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ror ; draw on offscreen page
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+LDADDR $8000
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tax
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- jsr DrawPage ; draw credits
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jsr DrawPage ; draw credits
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jsr ShowOtherPage ; show credits
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jsr WaitForKeyFor30Seconds; wait
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bit CLEARKBD ; don't care about key
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@ -64,8 +64,5 @@ Help
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!word kHelpTextFile
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!word $8000
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jsr LoadHelpOffscreen ; load fancy backdrop
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lda OffscreenPage
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ror ; draw on offscreen page
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+LDADDR $8000
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ldx #7
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bne - ; always branches
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