PINBALL 2 game - a question

ZX-Team Forum
Antworten
Benutzeravatar
yerzmyey
User
Beiträge: 185
Registriert: 19.07.2007, 20:51
Wohnort: Rubber Planet
Kontaktdaten:

PINBALL 2 game - a question

Beitrag von yerzmyey » 06.06.2008, 21:44

Hi there.
Somehow the game ( http://www.zx81-siggi.endoftheinternet. ... pinball2.p ) doesn't work on my ZX81 16K. The ball starts and then just flying over the "TIMEX" inscription.
The weird thing is, the game works normally on emulator.
Can anybody say what's wrong?
Byez,
Y
IN NIHILUM REVERTERIS - a big text-adventure game for ZX81: http://tiny.pl/g2m6m
"MONOCHROME" issue 5 - (Spring 2014) free paper/PDF magazine about ZX81: http://tiny.pl/q2m44
ZX81 COMPETITIONS 2007/2009: http://zx81.republika.pl/

Benutzeravatar
siggi
User
Beiträge: 2352
Registriert: 06.12.2005, 08:34
Wohnort: D, Hessen, tiefste Werreraa
Kontaktdaten:

Re: PINBALL 2 game - a question

Beitrag von siggi » 07.06.2008, 09:54

Hi yerzmyey
how do behave other m/c programs on your real Zeddy? If they also behave different on an emulator,
you might have a different ROM there.
There were two roms for the ZX81 (old and new rom). Emulators use the "new" rom.
They behave identically at BASIC level, but some m/c routines in the rom are at different locations. So own m/c programs calling rom routines might fail, if they jump into the wrong rom.
AFAIK the "FAST"-routine is at $F23 (3875) in the new rom and somewhere else in the old rom. So do PEEK 3875 in the emulator and your real Zeddy. If the values differ, you have different roms.

Siggi

Benutzeravatar
yerzmyey
User
Beiträge: 185
Registriert: 19.07.2007, 20:51
Wohnort: Rubber Planet
Kontaktdaten:

Re: PINBALL 2 game - a question

Beitrag von yerzmyey » 07.06.2008, 14:55

Ah! I see. Yes, it seems like that's true.
I found another weird thing ( http://www.rwapservices.co.uk/ZX80_ZX81 ... n-t57.html ) and it is so sefl-repeating that it doesn't look like tape loading error.
Now I understand.
However I strongly regret because the "Pinball 2" is very good game, not to say 'impressing'. I ment even to show it on some parties for other platforms but now sadly it will notbe possible.
Until I buy another ZX81, hehehe. ;)
Thanx for the explanation!
IN NIHILUM REVERTERIS - a big text-adventure game for ZX81: http://tiny.pl/g2m6m
"MONOCHROME" issue 5 - (Spring 2014) free paper/PDF magazine about ZX81: http://tiny.pl/q2m44
ZX81 COMPETITIONS 2007/2009: http://zx81.republika.pl/

Benutzeravatar
bodo
User
Beiträge: 319
Registriert: 14.02.2007, 17:21
Kontaktdaten:

Re: PINBALL 2 game - a question

Beitrag von bodo » 07.06.2008, 21:02

Well, you could "burn" the new ROM in an EPROM and put this into your ZX. This includes some hardware patches, but it's easy...
B0D0: Real programmers do it in hex.

Benutzeravatar
yerzmyey
User
Beiträge: 185
Registriert: 19.07.2007, 20:51
Wohnort: Rubber Planet
Kontaktdaten:

Re: PINBALL 2 game - a question

Beitrag von yerzmyey » 09.06.2008, 09:16

Oh, sadly not for me.
I'm just an regular user.
But I'll ask one of my friend about it.
Can You point me some place on Internet where the ROM is placed?
Thx!
IN NIHILUM REVERTERIS - a big text-adventure game for ZX81: http://tiny.pl/g2m6m
"MONOCHROME" issue 5 - (Spring 2014) free paper/PDF magazine about ZX81: http://tiny.pl/q2m44
ZX81 COMPETITIONS 2007/2009: http://zx81.republika.pl/

t0m
Site Admin
Site Admin
Beiträge: 580
Registriert: 04.03.2004, 13:32
Wohnort: CH-5506 Mägenwil
Kontaktdaten:

Re: PINBALL 2 game - a question

Beitrag von t0m » 09.06.2008, 10:20

t0m

There are 10 types of people in this world: those who understand binary and those who don't.

Benutzeravatar
yerzmyey
User
Beiträge: 185
Registriert: 19.07.2007, 20:51
Wohnort: Rubber Planet
Kontaktdaten:

Re: PINBALL 2 game - a question

Beitrag von yerzmyey » 09.06.2008, 13:51

Hey, thx!! :)
IN NIHILUM REVERTERIS - a big text-adventure game for ZX81: http://tiny.pl/g2m6m
"MONOCHROME" issue 5 - (Spring 2014) free paper/PDF magazine about ZX81: http://tiny.pl/q2m44
ZX81 COMPETITIONS 2007/2009: http://zx81.republika.pl/

Antworten