Aleste 2 ROM

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By ricbit

Champion (438)

ricbit's picture

03-02-2015, 20:38

I tried execrom on my turboR GT, it didn't find the 2MB megaram on the slot and refused to start. If you're using anything other than execrom, you can try to force the mapper type to be konami-scc (8kb blocks with mapper register at 7000h, 9000h, B000h, first block is fixed at 0.).

By Vampier

Prophet (2297)

Vampier's picture

05-02-2015, 05:29

I ran the Aleste rom on openMSX using the invincibility cheat and toggled openMSX to full speed. No problems reaching the end of stage 4. Looking forward to the mid demo and last 4 stages.

By ricbit

Champion (438)

ricbit's picture

05-02-2015, 13:50

So here's mid demo for you:

http://www.ricbit.com/temp/aleste2.zip

I'll add the last 4 stages tonight, I have to think about the message on the end of mid demo. I removed all other messages because they don't make sense in a rom context, but this one has a nice drawing of the aleste ship. I think I'll just add a 2 or 3 second wait and then jump to stage 5.

For infinite lives on openmsx I use this:

debug set_watchpoint write_mem 0xc840 {} {poke 0xc840 2}

By Manuel

Ascended (15804)

Manuel's picture

05-02-2015, 22:58

ricbit: heh, perhaps you should take a look at share/scripts/_trainerdefs.tcl Smile
The trainer script does something similar for you if you just add the memory location there. Actually, the Aleste 2 trainer is already there:

"Player: Lives" {dpoke 0xc840 99}

So you can just simply say: trainer "Aleste 2" 2 or ("trainer "Aleste 2" "Player: Lives"", which is the same) to achieve the same. (Use TAB completion for easy typing of this.)

By ricbit

Champion (438)

ricbit's picture

06-02-2015, 03:06

Here's another beta, with all 8 stages and the end demo. I think the game is complete now, pending any bugs I couldn't find. From now on I'm going to add enhancements to the original.

http://www.ricbit.com/temp/aleste2.zip

@Manuel I'm amazed at the amount of trainers in that file!

By Randam

Paladin (916)

Randam's picture

06-02-2015, 06:30

Nice work!!! I am realy interested to see what enhancements you are planning. Any chance of a turbo mode?

By ricbit

Champion (438)

ricbit's picture

06-02-2015, 16:06

Turbo mode is definitely on the plans, however I need a slot expander in order to make my 2mb megaram run on my tr gt. I need to test in the real hardware because fm sound is tricky to get right on r800, and I'm not sure if openmsx emulates the delays on the fm chip. I already bought a slot expander, just waiting for it to be delivered.

My pet peeve with aleste 2 is that sometimes during the demos the music stops in order to load more data from disk. There's no more need for that, I'll make the music plays continuously where appropriate.

By ericb59

Paladin (875)

ericb59's picture

23-02-2015, 19:09

hi ricbit,

what new about this rom ? Sad

By ricbit

Champion (438)

ricbit's picture

23-02-2015, 19:17

Hi ericb59, I'm afraid there'll be no news until my slot expander arrives. I want to add turbo mode but I need a slot expander for that. It's supposed to arrive this month though.

By ericb59

Paladin (875)

ericb59's picture

24-02-2015, 14:44

am i false or first version were in ASCII16 Mapper ?
The last one is SCC mapper...

Can you use an ASCII16Mapper ?

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