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Disable potentially enabled double-width graphics.

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This commit is contained in:
Oliver Schmidt
2020-05-04 22:22:32 +02:00
parent cbf0c1d1dd
commit 5b56c6e3a2
3 changed files with 22 additions and 8 deletions
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22
asminc/apple2.inc
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@@ -50,15 +50,21 @@ LCBANK2 := $C083 ; Swap in LC bank 2
LCBANK1 := $C08B ; Swap in LC bank 1
; Video mode switches
TXTCLR := $C050 ; Display graphics
TXTSET := $C051 ; Display text
MIXCLR := $C052 ; Disable 4 lines of text
MIXSET := $C053 ; Enable 4 lines of text
LOWSCR := $C054 ; Page 1
HISCR := $C055 ; Page 2
LORES := $C056 ; Lores graphics
HIRES := $C057 ; Hires graphics
TXTCLR := $C050 ; Display graphics
TXTSET := $C051 ; Display text
MIXCLR := $C052 ; Disable 4 lines of text
MIXSET := $C053 ; Enable 4 lines of text
LOWSCR := $C054 ; Page 1
HISCR := $C055 ; Page 2
LORES := $C056 ; Lores graphics
HIRES := $C057 ; Hires graphics
DHIRESON := $C05E ; Enable double-width graphics
DHIRESOFF := $C05F ; Disable double-width graphics
; Game controller
BUTN0 := $C061 ; Open-Apple Key
BUTN1 := $C062 ; Closed-Apple Key
; IOU
IOUDISON := $C07E ; Disable IOU
IOUDISOFF := $C07F ; Enable IOU