From: Larry Anderson (foxnhare_at_bigvalley.net)
Date: 2002-10-01 02:05:17
Congratulations! I remember Zork only available for the Apple, TRS-80 and Atari and all the nice write ups in BYTE. Though even after I got it on the 64, I never got past that blocked mine tunnel. BTW 4.0 PETs do some nasty things to cassette buffer #2, don't believe it will stay just as you leave it.. Ethan Dicks wrote: > > I finally verified a ancient project of mine... porting Zork to > the PET. I started 15 years ago by beginning to disassemble the > 6K game engine that's on track zero of the C-64 Zork floppy. 15 years... Now I don't feel so bad about leaving my Light Cycles game for about 10 or Flash Attack projects just as long. Though I think programming on the 8-bits is gaining popularity again... [snip!] > The BASIC 4.0 version is still wonky - I still have a bug that is > probably caused by my accidentally using a zero page or other low > memory location on 80-col BASIC 4.0 PETs. The game starts, but > you can only navigate around the rooms; you can't pick anything > up. I've tried to not use any locations that are critical to > the Kernal and especially to $FFD2, but I must have missed one. > The ZIP uses a lot of zero-page which is why you have to power > the machine down after playing a session, even on the C-64. They > trash low memory and don't provide any way of restoring it. > -- 01000011 01001111 01001101 01001101 01001111 01000100 01001111 01010010 01000101 Larry Anderson - Sysop of Silicon Realms BBS (209) 754-1363 300-14.4k bps Set your 8-bit C= rigs to sail for http://www.portcommodore.com/ 01000011 01001111 01001101 01010000 01010101 01010100 01000101 01010010 01010011 Message was sent through the cbm-hackers mailing list
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