One chip MSX improvement project

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Van KdL

Paragon (1324)

afbeelding van KdL

03-05-2008, 20:55

Hmm, in my OCM most of arcade games or shooters are unplayable because of the "shitty" keyboard... or is it because of the OCM?

I've tested Aleste Gaiden [Disc Station Special 4 - Autumn Edition] and I can only go up-right and shoot, other possibilities of moving&shoot won't work (left-up, left-down and right-down) if 3 keys must be pressed at the same time. The third key was, of course, SPACE bar.

By the way, this game freezes if you want to continue (only if 10MHz is present).

PS: If it is because of a bad PS/2 PC keyboard... do you know good ones OCM compatible which can play MSX games???
my UK keyboard by Manhattan (Model F21YQA) don't work fine if 2 cursor + SPACEBAR must be pressed at the same time Crying
but my old italian keyboard by NMB (Model RT2157TWIT) work very fine on all moves with SPACEBAR! Wink

Van Philip

Champion (373)

afbeelding van Philip

03-05-2008, 22:32


1. Rune Master II will freeze after pressing SPACE bar before the players´ menu [the scroller stops and the music keeps an infinite beep]. It freezes using 3.58MHz while it works by forcing 10MHz after booting the game. Really strange.

Rune Master II (I love that game) used to work with emsx_top_20080426_004.

Van HRA!

Master (223)

afbeelding van HRA!

04-05-2008, 03:31

about Keyboard...

There is something that doesn't react when two or more keys are pushed to the PS/2
keyboard at the same time.

I am testing with two keyboards (Japanese 109 Keyboard).
One doesn't react sooner or later even if 2 cursor + SPACEBAR are pressed at
the same time.
Another keyboard reacts neatly.

The problem that two or more key input doesn't react has the cause in the
keyboard.

Van HRA!

Master (223)

afbeelding van HRA!

04-05-2008, 03:53

New update PLD:
http://www5d.biglobe.ne.jp/~hra/note/onechipmsx/files/emsx_top_20080504_001.zip

Updates:
(1) Player on "arkanoah" undisplay bug fixed.
(2) V-Killer sprite blinking bug fixed.
(3) F1 spirit 2player sign undisplay bug fixed.

LOL!

Van SaebaMSX

Hero (533)

afbeelding van SaebaMSX

04-05-2008, 04:04

Thanks for the information about keyboards. I will need to buy a new one... Tongue

I will check this version too and give you some feedback.

Van HRA!

Master (223)

afbeelding van HRA!

04-05-2008, 15:27


Every time a new screen is shown during the demo the lighning effect has sound. But this, at least in my OCM, does not sound correctly as in my real turboR.

Not so, I want to know an illegal sound that causes the demo of Xak to
freeze it.


xak 1 sound corruption causes game to fail
(MSX Banzai!)

I want you to teach the cause of the frieze Crying

Van SaebaMSX

Hero (533)

afbeelding van SaebaMSX

04-05-2008, 15:54

Hi HRA!

First something about new version:

1. Aleste Gaiden can continue in 10MHz mode, that issue was fixed. And it can use "Z" key to shoot so it is playable with my keyboard. Smile
2. F1 Spirit progress bar fixed.

About your questions, I read about XAK problem here:

msxbanzai.tni.nl/computers/1chipMSX.html#Known_issues

I don't have the knowledge about this problem, but I will ask to know what could be the problem and give you more info. I checked it again and if you see the demo by selecting 10MHz it freezes later (it shows the beginning of the fire).

I will try other Microcabin titles because I've just tested XAK1 and Fray (remember, it has no sound during demo while in real MSX it has). It seems like English translation of Illusion City worked according to another user (that one works in MSX2), but I will test it again too and give you the feedback.

Van SaebaMSX

Hero (533)

afbeelding van SaebaMSX

04-05-2008, 16:35

I've tested other Microcabin games an intro demo in all of them work and with music. I've tested XAK2, XAK Tower of Gazzel and Tower or Cabin. I don't know if they all share the same music driver (or different versions) though.

English translation of Illusion City did not work for me because of "Illegal FAT" message of EP.

Van SaebaMSX

Hero (533)

afbeelding van SaebaMSX

04-05-2008, 16:45

Rune Master II (I love that game) used to work with emsx_top_20080426_004.

It still freezes (with last HRA! firmware) after pressing SPACE bar during the logo. I've tried both BIOS (original MSX2 & MSX2+).

Van HRA!

Master (223)

afbeelding van HRA!

04-05-2008, 17:15

RuneMasterII is freezed in 3.58MHz mode.
But, It is not freezed in 10MHz mode...Question
It begins to run when switching to 10MHz after it freezes it with 3.58MHz.....QuestionQuestionQuestionQuestion

I display PC of CPU in 7seg of ALTERA DE1 and am confirming it.
However, RuneMasterII is not freezed in DE1. Crying

In the demonstration of Xak, it runs in the vicinity of D08Fh.
D08Fh is a subroutine that writes the register of YM2413.
The call origin is not found still. Crying

Hmm...Eek!

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