LD software "Junior high school mathematics" --> Start-up problem

By Bas040

Master (210)

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27-04-2009, 21:40

Loading LD software Lascommate “Junior high school mathematics” gives following Japanese screen and then stops…


I’m using a PX-V60 computer and LD700 LD player. LD Box is mentioning PX-V7 and LD-V500. From what I understood PX-V60 is similar to PX-V7 except for RAM memory size. E.g. Interstellar and Starfighter work well with my set-up.
What's the problem?



By Manuel

Ascended (18387)

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27-04-2009, 22:11

It's talking about "ROM Cartridge" and "set" (that's all katakana I found).

Anyway, cool that you bought these ultra rare LD's! Could you make some nice detailed hires photos for me to add to the Generation MSX database?

By Pentarou

Champion (406)

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28-04-2009, 18:43

Kanji ROM cartridge is not set/is missing?

By Manuel

Ascended (18387)

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28-04-2009, 19:40

Ah, indeed, the two kanji in front of ROM mean "kanji" Smile

By Bas040

Master (210)

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05-05-2009, 16:37

Manuel: Hi res. pictures sent.

So I need a Kanji ROM to run this LD? Anybody with more info?

Some screen shots (sometimes it is a strange setting for a mathematic course......)


By Bernard

Resident (46)

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10-05-2009, 10:52

So I need a Kanji ROM to run this LD? Anybody with more info?

Yes, you do need a kanji rom.
I have no idea whether any random kanji rom will do; probably your safest bet will be the kanji rom supplied with the Lascom software, but it might be pretty hard to find...
All I have is a picture, so that you know what you should be looking for.Tongue


By seanyoung

Resident (56)

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27-03-2011, 12:54

I've made a dump of the first laserdisc, and a BASIC program is loaded on startup. Nearly the first thing it does is:

130 A$="":A=&Hd8:OUT A,0:OUT A+1,0
150 IF A$<>"PNR" THEN (seek to rom is not present & hang)

Does anyone know this ROM?

By Sd-Snatcher

Hero (582)

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27-03-2011, 18:53


Opssss those faces, they are actors from Takeshi Castle.

By Vampier

Prophet (2386)

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30-03-2011, 04:35