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STF: symbols - yay tabs

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This commit is contained in:
Joshua Bell 2017-09-15 22:05:41 -07:00
parent 947340adf9
commit 1bff134a6d
1 changed files with 26 additions and 25 deletions
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51
desk.acc/show_text_file.s
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@ -1061,9 +1061,9 @@ L0ED7: jsr restore_proportional_font_table_if_needed
L0EF3: lda #$FF
sta L0F9B
lda #$00
sta L0F9C
sta L0F9D
lda #0
sta run_width
sta run_width+1
sta L095A
sta text_string::len
lda $06
@ -1074,7 +1074,7 @@ L0F10: lda L0945
bne L0F22
lda L0947
beq L0F1F
jsr draw_text_line
jsr draw_text_run
sec
rts
@ -1096,26 +1096,26 @@ L0F22: ldy text_string::len
sta L0946
pla
: cmp #$09
bne L0F48
jmp L0F9E
bne :+
jmp handle_tab
L0F48: tay
: tay
lda font_width_table,y
clc
adc L0F9C
sta L0F9C
adc run_width
sta run_width
bcc :+
inc L0F9D
inc run_width+1
: lda L095C
cmp L0F9D
cmp run_width+1
bne :+
lda L095B
cmp L0F9C
: bcc L0F6E
cmp run_width
: bcc :+
inc text_string::len
jmp L0F10
L0F6E: lda #0
: lda #0
sta L095A
lda L0F9B
cmp #$FF
@ -1124,30 +1124,31 @@ L0F6E: lda #0
lda L0946
sta L0945
: inc text_string::len
L0F86: jsr draw_text_line
L0F86: jsr draw_text_run
ldy text_string::len
lda ($06),y
cmp #$09 ; tab character?
beq L0F96
beq tab
cmp #$0D ; return character
bne L0F99
L0F96: inc text_string::len
L0F99: clc
bne :+
tab: inc text_string::len
: clc
rts
;;; ==================================================
L0F9B: .byte 0
L0F9C: .byte 0
L0F9D: .byte 0
.proc L0F9E ; ???
run_width: .word 0
.proc handle_tab
lda #1
sta L095A
clc
lda L0F9C
lda run_width
adc line_pos::left
sta line_pos::left
lda L0F9D
lda run_width+1
adc line_pos::left+1
sta line_pos::left+1
ldx #0
@ -1183,7 +1184,7 @@ times70:.word 70
;;; ==================================================
;;; Draw a line of content
.proc draw_text_line
.proc draw_text_run
lda L0948
beq end
lda text_string::len