Dragon Ball Z II - Gekishin Freeza!! 4020B+PAL,IRQ is M2?

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zxbdragon
Posts: 474
Joined: Mon Dec 12, 2011 8:15 pm

Dragon Ball Z II - Gekishin Freeza!! 4020B+PAL,IRQ is M2?

Post by zxbdragon » Wed Nov 29, 2017 8:06 pm

20171122105422.jpg

krzysiobal
Posts: 589
Joined: Sun Jun 12, 2011 12:06 pm
Location: Poland

Re: Dragon Ball Z II - Gekishin Freeza!! 4020B+PAL,IRQ is M

Post by krzysiobal » Thu Nov 30, 2017 7:26 pm

23C3662 is VRC2 (no IRQ, just micro wire eprom interface).
Original Dragon Ball Z 2 - Gekishin Freeza!! uses BANDAI mapper, which counts M2 cycles, so this one probably does the same, with ROM modified to work with VRC2 registeers and PAL serving as glue logic.
PAL might have 5 interna latches for for enhancing VRC2 H/V mirroring into H/V/0/1 and firing/acknowledging interrupt.

BTW. Would you be willing to borrow/sell this PCB for more deep analyze?

zxbdragon
Posts: 474
Joined: Mon Dec 12, 2011 8:15 pm

Re: Dragon Ball Z II - Gekishin Freeza!! 4020B+PAL,IRQ is M

Post by zxbdragon » Thu Nov 30, 2017 10:47 pm

krzysiobal wrote:23C3662 is VRC2 (no IRQ, just micro wire eprom interface).
Original Dragon Ball Z 2 - Gekishin Freeza!! uses BANDAI mapper, which counts M2 cycles, so this one probably does the same, with ROM modified to work with VRC2 registeers and PAL serving as glue logic.
PAL might have 5 interna latches for for enhancing VRC2 H/V mirroring into H/V/0/1 and firing/acknowledging interrupt.

BTW. Would you be willing to borrow/sell this PCB for more deep analyze?
I in China. PCB not sell, It is possible to borrow.What nationglity are you?

krzysiobal
Posts: 589
Joined: Sun Jun 12, 2011 12:06 pm
Location: Poland

Re: Dragon Ball Z II - Gekishin Freeza!! 4020B+PAL,IRQ is M

Post by krzysiobal » Fri Dec 01, 2017 8:34 pm

Poland, I can borrow it for testing & I can pay for shipping.

zxbdragon
Posts: 474
Joined: Mon Dec 12, 2011 8:15 pm

Re: Dragon Ball Z II - Gekishin Freeza!! 4020B+PAL,IRQ is M

Post by zxbdragon » Mon Dec 04, 2017 7:01 pm

solved,thank you! this game m2 IRQ.
解决了,谢谢你,这个游戏是M2的IRQ。
this cart:
这个卡:
AX5705, PRG not using VRC2 register,CHR using VRC2 register.
AX5705,PRG没有使用VRC2的注册端口,CHR使用VRC2的注册端口。

A000,SWAP 8000 4000 16K
9010,NMT VH01
F004,IRQ Acknowledge
F008,IRQ enabled;
F00c,IRQ disable;

game working,but EEPROM save version 93C56 not working.
游戏目前可以执行,但是EEPROM存档93c56不能使用。

so far,Has known China pirate version Dragon Ball Z series to working( except eeprom save not working....WIP....)
到目前为止,已知的中国盗版龙珠Z系列都可以执行了(除了eeprom存档不能工作....93c56正在研究中....)
Dragon Ball Z - Kyoushuu! Saiya Jin
Dragon Ball Z II - Gekishin Freeza!!
Dragon Ball Z III - Ressen Jinzou Ningen
Dragon Ball Z Gaiden - Saiya Jin Zetsumetsu Keikaku
Datach - Dragon Ball Z - Gekitou Tenkaichi Budou Kai

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