From d0b49e07828f41b8431688894793aa4f3852875e Mon Sep 17 00:00:00 2001 From: Angelo Salese Date: Tue, 1 Mar 2011 18:52:41 +0000 Subject: [PATCH] Forgot to clean this up ... --- src/mame/drivers/aristmk4.c | 22 ---------------------- 1 file changed, 22 deletions(-) diff --git a/src/mame/drivers/aristmk4.c b/src/mame/drivers/aristmk4.c index 31e7993ca67..0291e0b396f 100644 --- a/src/mame/drivers/aristmk4.c +++ b/src/mame/drivers/aristmk4.c @@ -816,28 +816,6 @@ ADDRESS_MAP_END /* -Wild One and Golden Poker need to check the value in the CURSOR register of the crtc prior to starting but -CURSOR appears to be unconnected on the Mark IV schematic so its unclear how this update is implimented. - -I suspect it to be connected to the CPU IRQ and the value in crtc: 0xf read every VBLANK until it reaches 0xff - - Wild One below. Golden Poker has the same routine. - - 'maincpu' (9137):M6845 reg 0x0f = 0x00 - - 907D BITA $1800 ; crtc reg 0xf - 9080 BNE $907D ; branches 907d if value is not zero. - 9082 BITA $1800 - 9085 BEQ $9082 ; branches to 9082 until value is 0xff - 9087 LDA #$40 - -Using mc6845_update and cursor update callback causes the "Invalid MC6845 screen parameters - display disabled" -so a work around is required. - -*/ - -/* - Poker card style games seem to have different address mapping The graphics rom is mapped from 0x4000 - 0x4ffff