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creativision/crt0.s: enable display interrupts in display controller configuration

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Otherwise the joystick zero page locations won't get updated.
This commit is contained in:
Christian Groessler 2017-03-04 10:04:32 +01:00
parent ca3e5e8b8c
commit 9558ebf86c
1 changed files with 1 additions and 1 deletions
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libsrc/creativision/crt0.s
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@ -81,7 +81,7 @@ irq2: jmp BIOS_IRQ2_ADDR
; VDP Setup
; This sets to Graphics Mode 1
.byte $00 ; Register 0
.byte $C0 ; Register 1 16K RAM, Active Display, Mode 1
.byte $E0 ; Register 1 16K RAM, Active Display, Mode 1, VBI enabled
.byte $04 ; Register 2 Name Table at $1000 - $12FF
.byte $60 ; Register 3 Colour Table at $1800 - $181F
.byte $00 ; Register 4 Pattern Table at $0000 - $07FF