From 9558ebf86c60339fec73895a70c39292469173a2 Mon Sep 17 00:00:00 2001 From: Christian Groessler Date: Sat, 4 Mar 2017 10:04:32 +0100 Subject: [PATCH] creativision/crt0.s: enable display interrupts in display controller configuration Otherwise the joystick zero page locations won't get updated. --- libsrc/creativision/crt0.s | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libsrc/creativision/crt0.s b/libsrc/creativision/crt0.s index 6faec38eb..420ac71ef 100644 --- a/libsrc/creativision/crt0.s +++ b/libsrc/creativision/crt0.s @@ -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