mirror of
https://github.com/oliverschmidt/contiki.git
synced 2024-12-25 13:31:37 +00:00
986 lines
13 KiB
ArmAsm
986 lines
13 KiB
ArmAsm
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;---------------------------------------------------------------------
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.importzp ptr1, ptr2, ptr3, ptr4, sreg
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.importzp sp
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.import pushax
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.import incsp2
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.import _ctk_80col_screencolors
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.import _ctk_80col_screenpattern
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.import _ctk_80col_lefttab
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.import _ctk_80col_righttab
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.import _ctk_80col_cursx
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.import _ctk_80col_cursy
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.import _ctk_80col_color
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.import _ctk_80col_underline
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.import _ctk_80col_reversed
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.import _ctk_80col_yscreenaddr
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.import _ctk_80col_yhiresaddr
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.import _ctk_80col_windowparams
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.import _ctk_80col_bitmapptr
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.import _ctk_80col_versionstring
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.import _ctk_80col_versionstring_len
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.import _ctk_80col_theme
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.export _ctk_80col_cclear
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.export _ctk_80col_chline
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.export _ctk_80col_cputc
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.export _ctk_80col_cputsn
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.export _ctk_80col_clear_line
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.export _ctk_80col_draw_bitmapline
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.export _ctk_80col_draw_windowborders
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;---------------------------------------------------------------------
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ptr5 = sreg
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;; Offsets in the theme struct
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ulcornerpattern = 8
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titlebarpattern = ulcornerpattern+8
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urcornerpattern = titlebarpattern+8
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rborderpattern = urcornerpattern+8
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lrcornerpattern = rborderpattern+8
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lowerborderpattern = lrcornerpattern+8
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llcornerpattern = lowerborderpattern+8
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lborderpattern = llcornerpattern+8
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buttonleftpattern = lborderpattern+8
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buttonrightpattern = buttonleftpattern+8
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.bss
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tmp01: .res 1
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tmpl: .res 1
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tmpf: .res 1
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tmpc: .res 1
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tmpw: .res 1
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tmpptr: .res 2
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tmpy: .res 1
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tmph: .res 1
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;; Window border parameters
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w: .res 1
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wpw = 0
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h: .res 1
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wph = 1
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clipy1: .res 1
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wpclipy1 = 2
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clipy2: .res 1
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wpclipy2 = 3
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color1: .res 1
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wpcolor1 = 4
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color2: .res 1
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wpcolor2 = 5
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titlecolor: .res 1
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wptitlecolor = 6
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titlelen: .res 1
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wptitlelen = 7
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title: .res 2
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wptitle = 8
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;---------------------------------------------------------------------
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.data
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;---------------------------------------------------------------------
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.code
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setupptrs:
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;; Find hires address.
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lda _ctk_80col_cursy
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asl
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tax
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lda _ctk_80col_yhiresaddr,x
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sta ptr2
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lda _ctk_80col_yhiresaddr+1,x
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sta ptr2+1
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;; Add X coordinate to the hires address.
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lda #0
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sta ptr1+1
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lda _ctk_80col_cursx
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asl
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rol ptr1+1
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; asl
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; rol ptr1+1
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asl
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rol ptr1+1
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clc
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adc ptr2
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and #$f8
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sta ptr2
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lda ptr2+1
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adc ptr1+1
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sta ptr2+1
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;; Find screen address.
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lda _ctk_80col_cursy
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asl
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tax
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lda _ctk_80col_cursx
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lsr
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clc
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adc _ctk_80col_yscreenaddr,x
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sta ptr1
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lda _ctk_80col_yscreenaddr+1,x
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adc #0
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sta ptr1+1
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;; Turn off interrupts, prepare $01 to store color data in RAM
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;; under I/O area.
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sei
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lda $01
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sta tmp01
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and #$f8
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sta $01
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rts
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;---------------------------------------------------------------------
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restore01:
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lda tmp01
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sta $01
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cli
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rts
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;---------------------------------------------------------------------
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_ctk_80col_cclear:
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sta tmpl
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cmp #0
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bne @norts
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rts
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@norts:
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jsr setupptrs
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ldy tmpl
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lda _ctk_80col_color
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:
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sta (ptr1),y
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dey
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bpl :-
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;; Store either $00 or $ff in hires memory, depending on the
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;; reversed flag
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ldx tmpl
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lda _ctk_80col_reversed
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beq @noff
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lda #$ff
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@noff:
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sta tmpf
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@loop1:
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ldy #7
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lda tmpf
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@loop2:
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sta (ptr2),y
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dey
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bpl @loop2
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lda ptr2
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clc
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adc #8
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sta ptr2
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bcc @noinc
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inc ptr2+1
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@noinc:
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inc _ctk_80col_cursx
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dex
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bpl @loop1
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jmp restore01
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;---------------------------------------------------------------------
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_ctk_80col_chline:
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sta tmpl
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cmp #0
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bne @norts
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rts
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@norts:
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jsr setupptrs
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;; Store horizontal line pattern in hires memory
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ldx tmpl
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@loop1:
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ldy #0
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lda #$00
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sta (ptr2),y
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iny
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lda #$00
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sta (ptr2),y
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iny
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lda #$00
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sta (ptr2),y
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iny
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lda #$ff
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sta (ptr2),y
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iny
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lda #$ff
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sta (ptr2),y
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iny
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lda #$00
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sta (ptr2),y
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iny
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lda #$00
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sta (ptr2),y
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iny
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lda #$00
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sta (ptr2),y
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lda ptr2
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clc
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adc #8
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sta ptr2
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bcc @noinc
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inc ptr2+1
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@noinc:
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inc _ctk_80col_cursx
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dex
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bne @loop1
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jmp restore01
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;---------------------------------------------------------------------
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_ctk_80col_cputc:
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sta tmpc
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jsr setupptrs
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;; Turn on font ROM
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lda tmp01
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and #$f8
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ora #$01
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sta $01
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lda #0
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sta ptr1+1
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;; Convert from PETSCII to screen encoding
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lda tmpc
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eor #$e0
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clc
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adc #$20
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bpl @cont
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adc #$40
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bpl @cont
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eor #$a0
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@cont:
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ldx _ctk_80col_reversed
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beq :+
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eor #$80
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:
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;; Convert to address in character ROM
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asl
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rol ptr1+1
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asl
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rol ptr1+1
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asl
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rol ptr1+1
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sta ptr1
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lda #$d8
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adc ptr1+1
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sta ptr1+1
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lda _ctk_80col_cursx
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and #1
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beq @left
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;; Print on hires screen, bottom-up. If we should underline,
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;; we do this by eor:ing the bottom line with #$ff
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ldy #7
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lda (ptr1),y
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ldx _ctk_80col_underline
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beq @rightnounderline
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eor #$ff
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@rightnounderline:
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tax
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lda (ptr2),y
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and #$f0
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ora _ctk_80col_righttab,x
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sta (ptr2),y
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dey
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@rightloop:
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lda (ptr1),y
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tax
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lda (ptr2),y
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and #$f0
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ora _ctk_80col_righttab,x
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sta (ptr2),y
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dey
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bpl @rightloop
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inc _ctk_80col_cursx
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jmp restore01
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@left:
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;; Print on hires screen, bottom-up. If we should underline,
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;; we do this by eor:ing the bottom line with #$ff
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ldy #7
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lda (ptr1),y
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ldx _ctk_80col_underline
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beq @nounderline
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eor #$ff
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@nounderline:
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tax
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lda (ptr2),y
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and #$0f
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ora _ctk_80col_lefttab,x
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sta (ptr2),y
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dey
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@loop:
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lda (ptr1),y
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tax
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lda (ptr2),y
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and #$0f
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ora _ctk_80col_lefttab,x
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sta (ptr2),y
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dey
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bpl @loop
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inc _ctk_80col_cursx
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jmp restore01
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;---------------------------------------------------------------------
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_ctk_80col_cputsn:
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sta tmpl
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cmp #0
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bne :+
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jmp incsp2
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:
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jsr setupptrs
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;; Turn on font ROM
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lda tmp01
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and #$f8
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ora #$01
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sta $01
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;; Output each character from the string
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lda #0
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sta tmpc
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ldy #0
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lda (sp),y
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sta ptr3
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iny
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lda (sp),y
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sta ptr3+1
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@loop1:
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lda #0
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sta ptr1+1
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ldy tmpc
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lda (ptr3),y
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bne :+
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jmp @end
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:
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;; Convert from PETSCII to screen encoding
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eor #$e0
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clc
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adc #$20
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bpl @cont
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adc #$40
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bpl @cont
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eor #$a0
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@cont:
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ldx _ctk_80col_reversed
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beq :+
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eor #$80
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:
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;; Convert to address in character ROM
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asl
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rol ptr1+1
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asl
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rol ptr1+1
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asl
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rol ptr1+1
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sta ptr1
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lda #$d8
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adc ptr1+1
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sta ptr1+1
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lda _ctk_80col_cursx
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and #1
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beq @left
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;; Print on hires screen, bottom-up. If we should underline,
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;; we do this by eor:ing the bottom line with #$ff
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ldy #7
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lda (ptr1),y
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ldx _ctk_80col_underline
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beq @rightnounderline
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eor #$ff
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@rightnounderline:
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tax
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lda (ptr2),y
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and #$f0
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ora _ctk_80col_righttab,x
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sta (ptr2),y
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dey
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@rightloop:
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lda (ptr1),y
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tax
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lda (ptr2),y
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and #$f0
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ora _ctk_80col_righttab,x
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sta (ptr2),y
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dey
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bpl @rightloop
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lda ptr2
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clc
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adc #8
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sta ptr2
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bcc :+
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inc ptr2+1
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:
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inc _ctk_80col_cursx
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jmp @loopend
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@left:
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;; Print on hires screen, bottom-up. If we should underline,
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;; we do this by eor:ing the bottom line with #$ff
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ldy #7
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lda (ptr1),y
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ldx _ctk_80col_underline
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beq @nounderline
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eor #$ff
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@nounderline:
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tax
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lda (ptr2),y
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and #$0f
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ora _ctk_80col_lefttab,x
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sta (ptr2),y
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dey
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@loop:
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lda (ptr1),y
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tax
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lda (ptr2),y
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and #$0f
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ora _ctk_80col_lefttab,x
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sta (ptr2),y
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dey
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bpl @loop
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inc _ctk_80col_cursx
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@loopend:
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inc tmpc
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lda tmpc
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cmp tmpl
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beq :+
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jmp @loop1
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:
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@end:
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jsr restore01
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jmp incsp2
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;---------------------------------------------------------------------
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_ctk_80col_clear_line:
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sta tmpl
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asl
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tax
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lda _ctk_80col_yscreenaddr,x
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sta ptr1
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lda _ctk_80col_yscreenaddr+1,x
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sta ptr1+1
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lda _ctk_80col_yhiresaddr,x
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sta ptr2
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lda _ctk_80col_yhiresaddr+1,x
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sta ptr2+1
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sei
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lda $01
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sta tmp01
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and #$f8
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sta $01
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ldy #39
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ldx tmpl
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lda _ctk_80col_screencolors,x
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:
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sta (ptr1),y
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dey
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bpl :-
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lda tmpl
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asl
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asl
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asl
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tax
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ldy #0
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:
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lda _ctk_80col_screenpattern,x
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sta (ptr2),y
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iny
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lda _ctk_80col_screenpattern+1,x
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sta (ptr2),y
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iny
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lda _ctk_80col_screenpattern+2,x
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sta (ptr2),y
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iny
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lda _ctk_80col_screenpattern+3,x
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sta (ptr2),y
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iny
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lda _ctk_80col_screenpattern+4,x
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sta (ptr2),y
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iny
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lda _ctk_80col_screenpattern+5,x
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sta (ptr2),y
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iny
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lda _ctk_80col_screenpattern+6,x
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sta (ptr2),y
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iny
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lda _ctk_80col_screenpattern+7,x
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sta (ptr2),y
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iny
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bne :-
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inc ptr2+1
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:
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lda _ctk_80col_screenpattern,x
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sta (ptr2),y
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iny
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lda _ctk_80col_screenpattern+1,x
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sta (ptr2),y
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iny
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lda _ctk_80col_screenpattern+2,x
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sta (ptr2),y
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iny
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lda _ctk_80col_screenpattern+3,x
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sta (ptr2),y
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iny
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lda _ctk_80col_screenpattern+4,x
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sta (ptr2),y
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iny
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lda _ctk_80col_screenpattern+5,x
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sta (ptr2),y
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iny
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lda _ctk_80col_screenpattern+6,x
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sta (ptr2),y
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iny
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lda _ctk_80col_screenpattern+7,x
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sta (ptr2),y
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iny
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cpy #$40
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bne :-
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lda tmpl
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cmp #24
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bne :+
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sta _ctk_80col_cursy
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lda #2
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sta _ctk_80col_cursx
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jsr restore01
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lda #<_ctk_80col_versionstring
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ldx #>_ctk_80col_versionstring
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jsr pushax
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lda _ctk_80col_versionstring_len
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jmp _ctk_80col_cputsn
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:
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jmp restore01
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;---------------------------------------------------------------------
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_ctk_80col_draw_bitmapline:
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sta tmpl
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cmp #0
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bne :+
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rts
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:
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jsr setupptrs
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ldy #0
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lda _ctk_80col_color
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:
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sta (ptr1),y
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iny
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cpy tmpl
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bne :-
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lda _ctk_80col_bitmapptr
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sta ptr1
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lda _ctk_80col_bitmapptr+1
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sta ptr1+1
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ldy #0
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ldx #0
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:
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lda (ptr1),y
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sta (ptr2),y
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iny
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inx
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cpx #8
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|
bne :-
|
|
|
|
ldx #0
|
|
|
|
dec tmpl
|
|
bne :-
|
|
|
|
jmp restore01
|
|
;---------------------------------------------------------------------
|
|
_ctk_80col_draw_windowborders:
|
|
|
|
jsr setupptrs
|
|
|
|
lda _ctk_80col_windowparams + wpclipy1
|
|
beq :+
|
|
jmp @nofirstline
|
|
:
|
|
|
|
;; Draw first line of the border, including the window title
|
|
|
|
;; Start with filling color memory
|
|
lda _ctk_80col_windowparams + wpw
|
|
sta tmpw
|
|
|
|
|
|
ldy #0
|
|
lda _ctk_80col_windowparams + wptitlecolor
|
|
:
|
|
sta (ptr1),y
|
|
iny
|
|
cpy tmpw
|
|
bcc :-
|
|
|
|
dec tmpw
|
|
|
|
;; Set color for upper right corner
|
|
sta (ptr1),y
|
|
iny
|
|
sta (ptr1),y
|
|
|
|
|
|
;; Turn on font ROM for drawing the title
|
|
lda tmp01
|
|
and #$f8
|
|
ora #$01
|
|
sta $01
|
|
|
|
;; Use a temporary pointer (ptr3) rather than ptr2 so we can
|
|
;; reuse it later.
|
|
lda ptr2
|
|
sta ptr3
|
|
lda ptr2+1
|
|
sta ptr3+1
|
|
|
|
;; Draw upper left corner
|
|
ldy #7
|
|
:
|
|
lda _ctk_80col_theme+ulcornerpattern,y
|
|
sta (ptr3),y
|
|
dey
|
|
bpl :-
|
|
|
|
lda ptr3
|
|
clc
|
|
adc #$8
|
|
sta ptr3
|
|
bcc :+
|
|
inc ptr3+1
|
|
:
|
|
|
|
|
|
;; Draw window title bar pattern
|
|
@titlebarloop:
|
|
ldy #7
|
|
:
|
|
lda _ctk_80col_theme+titlebarpattern,y
|
|
sta (ptr3),y
|
|
dey
|
|
bpl :-
|
|
|
|
lda ptr3
|
|
clc
|
|
adc #$8
|
|
sta ptr3
|
|
bcc :+
|
|
inc ptr3+1
|
|
:
|
|
;; Loop until we are three characters away from right border
|
|
;; to avoid flickering since we would be overwriting the close
|
|
;; button.
|
|
dec tmpw
|
|
bpl @titlebarloop
|
|
|
|
;; Draw upper right corner piece
|
|
ldy #7
|
|
:
|
|
lda _ctk_80col_theme+urcornerpattern,y
|
|
sta (ptr3),y
|
|
dey
|
|
bpl :-
|
|
|
|
|
|
@nofirstline:
|
|
|
|
|
|
ldx _ctk_80col_windowparams + wph
|
|
inx
|
|
stx tmph
|
|
|
|
;; Draw left and right borders
|
|
|
|
;; Fill color memory (pointer in ptr1, setup by setupptrs)
|
|
|
|
;; First check how much we actually should draw by inspecting
|
|
;; the clipy1 and clipy2 fields in the _ctk_80col_windowparams
|
|
;; structure
|
|
|
|
lda #1
|
|
sta tmpy
|
|
|
|
ldx _ctk_80col_windowparams + wpclipy1
|
|
@clipy1loop:
|
|
cpx #0
|
|
beq @clipy1loopend
|
|
lda ptr1
|
|
clc
|
|
adc #$28
|
|
sta ptr1
|
|
bcc :+
|
|
inc ptr1+1
|
|
:
|
|
lda ptr3
|
|
clc
|
|
adc #$40
|
|
sta ptr3
|
|
lda ptr3+1
|
|
adc #1
|
|
sta ptr3+1
|
|
|
|
inc tmpy
|
|
|
|
dex
|
|
jmp @clipy1loop
|
|
@clipy1loopend:
|
|
|
|
lda ptr1
|
|
clc
|
|
adc #$28
|
|
sta ptr1
|
|
bcc :+
|
|
inc ptr1+1
|
|
:
|
|
|
|
ldx tmpy
|
|
ldy _ctk_80col_windowparams + wpw
|
|
iny
|
|
sty tmpw
|
|
@bordercloop:
|
|
cpx _ctk_80col_windowparams + wpclipy2
|
|
beq @bordercloopend
|
|
|
|
ldy tmpw
|
|
lda _ctk_80col_windowparams + wpcolor2
|
|
sta (ptr1),y
|
|
ldy #0
|
|
lda _ctk_80col_windowparams + wpcolor1
|
|
sta (ptr1),y
|
|
|
|
lda ptr1
|
|
clc
|
|
adc #$28
|
|
sta ptr1
|
|
bcc :+
|
|
inc ptr1+1
|
|
:
|
|
|
|
inx
|
|
cpx tmph
|
|
bcc @bordercloop
|
|
beq @bordercloop
|
|
@bordercloopend:
|
|
|
|
|
|
;; Fill color memory for lower border, if clipy2 allows
|
|
cpx _ctk_80col_windowparams + wpclipy2
|
|
beq @noclowerborder
|
|
|
|
lda ptr1
|
|
sec
|
|
sbc #$28
|
|
sta ptr1
|
|
bcs :+
|
|
dec ptr1+1
|
|
:
|
|
|
|
ldy _ctk_80col_windowparams + wpw
|
|
lda _ctk_80col_windowparams + wpcolor2
|
|
@lbordercloop:
|
|
sta (ptr1),y
|
|
dey
|
|
bne @lbordercloop
|
|
|
|
@noclowerborder:
|
|
|
|
;; Draw right border
|
|
ldx tmpy
|
|
@rborderloop:
|
|
cpx _ctk_80col_windowparams + wpclipy2
|
|
beq @rborderloopend
|
|
|
|
lda ptr3
|
|
clc
|
|
adc #$40
|
|
sta ptr3
|
|
lda ptr3+1
|
|
adc #1
|
|
sta ptr3+1
|
|
|
|
ldy #7
|
|
:
|
|
lda _ctk_80col_theme+rborderpattern,y
|
|
sta (ptr3),y
|
|
dey
|
|
bpl :-
|
|
|
|
inx
|
|
cpx tmph
|
|
bne @rborderloop
|
|
@rborderloopend:
|
|
|
|
cpx _ctk_80col_windowparams + wpclipy2
|
|
beq @norbordercorner
|
|
|
|
lda ptr3
|
|
clc
|
|
adc #$40
|
|
sta ptr3
|
|
lda ptr3+1
|
|
adc #1
|
|
sta ptr3+1
|
|
|
|
;; Draw lower right corner, if clipy2 allows it
|
|
ldy #7
|
|
:
|
|
lda _ctk_80col_theme+lrcornerpattern,y
|
|
sta (ptr3),y
|
|
dey
|
|
bpl :-
|
|
|
|
@norbordercorner:
|
|
|
|
stx tmpy
|
|
|
|
;; Draw lower border
|
|
ldx _ctk_80col_windowparams + wpw
|
|
|
|
@lowerborderloop:
|
|
lda ptr3
|
|
sec
|
|
sbc #$8
|
|
sta ptr3
|
|
bcs :+
|
|
dec ptr3+1
|
|
:
|
|
|
|
lda tmpy
|
|
cmp _ctk_80col_windowparams + wpclipy2
|
|
beq @nolowerborder
|
|
|
|
ldy #7
|
|
:
|
|
lda _ctk_80col_theme+lowerborderpattern,y
|
|
sta (ptr3),y
|
|
dey
|
|
bpl :-
|
|
@nolowerborder:
|
|
|
|
dex
|
|
bne @lowerborderloop
|
|
|
|
lda ptr3
|
|
sec
|
|
sbc #$8
|
|
sta ptr3
|
|
bcs :+
|
|
dec ptr3+1
|
|
:
|
|
|
|
|
|
ldx tmpy
|
|
cpx tmph
|
|
bne @nolbordercorner
|
|
|
|
;; Draw lower left corner, if clipy2 allows it
|
|
ldy #7
|
|
:
|
|
lda _ctk_80col_theme+llcornerpattern,y
|
|
sta (ptr3),y
|
|
dey
|
|
bpl :-
|
|
|
|
lda ptr3
|
|
sec
|
|
sbc #$40
|
|
sta ptr3
|
|
lda ptr3+1
|
|
sbc #1
|
|
sta ptr3+1
|
|
|
|
@nolbordercorner:
|
|
|
|
;; Draw left border
|
|
|
|
|
|
|
|
@lborderloop:
|
|
cpx #1
|
|
beq @lborderloopend
|
|
cpx _ctk_80col_windowparams + wpclipy1
|
|
bcc @lborderloopend
|
|
|
|
ldy #7
|
|
:
|
|
lda _ctk_80col_theme+lborderpattern,y
|
|
sta (ptr3),y
|
|
dey
|
|
bpl :-
|
|
|
|
lda ptr3
|
|
sec
|
|
sbc #$40
|
|
sta ptr3
|
|
lda ptr3+1
|
|
sbc #1
|
|
sta ptr3+1
|
|
|
|
dex
|
|
jmp @lborderloop
|
|
|
|
@lborderloopend:
|
|
|
|
|
|
jmp restore01
|
|
;---------------------------------------------------------------------
|
|
|