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wwf-wrestlemania/PATCH.ASM

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2021-04-06 15:21:54 -07:00
**************************************************************
*
* Software: ? and Shawn Liptak
* Initiated: ?
*
* Modified: Shawn Liptak, 2/20/92 -Started basketball cleanup
*
* COPYRIGHT (C) 1992 WILLIAMS ELECTRONICS GAMES, INC.
*
*.Last mod - 12/10/92 19:07
**************************************************************
.option b,d,l,t
.mnolist
.include "gsp.equ"
.include "macros.h"
.def TVPATCH,TVPATCHX
******************************************************************************
* EXTERNAL REFERENCES
******************************************************************************
.text
.even
OLDINTEN .word 0
SUBR TVBP
PUSH a0,a1
PUSH b0,b1
move @INTENB,a0 ;Disable ROM protect interrupt (ext2)
move a0,@OLDINTEN
andni X2E,a0
ori DIE,a0 ;Enable DIRQ
move a0,@INTENB
PULL b0,b1
PULL a0,a1
rets
SUBR TVBPX
PUSH a0
move @OLDINTEN,a0 ;Enable ROM protect interrupt (ext2)
ori X2E,a0
move a0,@INTENB
move @INTPEND,a0 ;Clear any pending X2E or DIE
andni X2E|DIE,a0
move a0,@INTPEND
move a0,@>1e00000 ;Clr FPGA rom protect
PULL a0
rets
TVPATCH:
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TVPATCHX: