I recently got my working copy of thrust from hozer and was troubled that
it didn't work. After a little thought, I realised that it may be a
compatability issue. So I dug into my closet, and pulled out all my VCS
compatables.
Here's what I found:
Maker Model Functionality
----- --------------------- ----------------------------
Atari 2600 (6 switch) OK
Atari 2600A (4 switch) OK
Atari 2600jr (big rainbow) OK
Sears 2600 (6 switch) OK
Sears video arcade 2 (2800) Ship is constantly thrusting
Coleco Gemini Breaks in playfield
Coleco Coleco with expansion Breaks in playfield
I am most puzzled by the sears video arcade 2 not working, because I
thought the sears models were produced by atari and just rebranded.
Thomas, do you know what could happen to cause the above problems? Can it
be linked to an illegal opcode?
Everyone, has anyone else seen similar problems? Has anyone done
experiments or written other programs useing such opcodes on various
compatables? Does anyone have a 1-chip jr that they could try?
Mark
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