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SIF: Space toggles B&W/Color where available

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This commit is contained in:
Joshua Bell 2018-05-23 20:43:34 -07:00
parent 06c721b418
commit da8bc28883
1 changed files with 25 additions and 1 deletions
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26
desk.acc/show.image.file.s
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@ -240,6 +240,9 @@ nextwinfo: .addr 0
lda LCBANK1
lda LCBANK1
lda #0
sta mode
;; Get filename by checking DeskTop selected window/icon
;; Check that an icon is selected
@ -366,7 +369,10 @@ on_key:
lda event_params::key
cmp #CHAR_ESCAPE
beq exit
bne input_loop
cmp #' '
bne :+
jsr toggle_mode
: jmp input_loop
exit:
jsr set_bw_mode
@ -604,7 +610,20 @@ cloop: lda (src),y
;;; ============================================================
;;; Color/B&W Toggle
mode: .byte 0 ; 0 = B&W, $80 = color
.proc toggle_mode
lda mode
bne set_bw_mode
;; fall through
.endproc
.proc set_color_mode
lda mode
bne done
lda #$80
sta mode
;; AppleColor Card - Mode 2 (Color 140x192)
sta SET80VID
lda AN3_OFF
@ -629,6 +648,11 @@ done: rts
.endproc
.proc set_bw_mode
lda mode
beq done
lda #0
sta mode
;; AppleColor Card - Mode 1 (Monochrome 560x192)
sta CLR80VID
lda AN3_OFF