Re: A82: Galaxian v3.0 w/ Autofire Patch...update!!!


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Re: A82: Galaxian v3.0 w/ Autofire Patch...update!!!




or you can run CalcEm .4 and do "disassembly" of the rom.

-Greg



On Wed, 20 May 1998 21:33:03 -0400 Robert Bonstein
<bonstein@mindspring.com> writes:
>
>This should be right, I don't see anything that seems out of place.  
>Rom
>ver. 18.  This is from DASM.zip from ticalc.org.
>
>				Rob Bonstein
>
>	PUSH	DE		; 4166
>	LD	HL,04195H	; 4167
>	LD	D,000H		; 416A
>	LD	A,B		; 416C
>	AND	007H		; 416D
>	LD	E,A		; 416F
>	ADD	HL,DE		; 4170
>	LD	E,(HL)		; 4171
>	LD	H,D		; 4172
>	SRL	B		; 4173
>	SRL	B		; 4175
>	SRL	B		; 4177
>	LD	A,B		; 4179
>	OR	020H		; 417A
>	LD	(0800FH),A	; 417C
>	LD	A,03FH		; 417F
>	SUB	C		; 4181
>	OR	080H		; 4182
>	LD	(08011H),A	; 4184
>	AND	07FH		; 4187
>	ADD	A,A		; 4189
>	ADD	A,A		; 418A
>	LD	C,A		; 418B
>	LD	L,A		; 418C
>	ADD	HL,HL		; 418D
>	LD	A,E		; 418E
>	LD	E,C		; 418F
>	ADD	HL,DE		; 4190
>	LD	E,B		; 4191
>	ADD	HL,DE		; 4192
>	POP	DE		; 4193
>	RET			; 4194
>
>
>At 04:14 AM 5/20/98 -0400, you wrote:
>>Okay, here is the fixed up version of Galaxian v3.0 with the Autofire
>>Patch.  I switched back to the old Find_Pixel routine (in the ROM) 
>and it
>>works fine.  I need to get my hands on the source to ROM page 4 
>starting at
>>$4166.  Does anyone know of a GOOD disassembler?  I hate 
>disassembling
>>portions of the ROM by hand (takes a really long time).
>>
>>
>>Attachment Converted: "c:\program files\eudora\attach\GALAXIA21.ZIP"
>>
>>                 Thomas J. Hruska -- thruska@tir.com
>>Shining Light Productions -- "Meeting the needs of fellow 
>programmers"
>>         http://www.geocities.com/SiliconValley/Heights/8504
>>                    http://shinelight.home.ml.org
>
>

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