Subject: Re: [stella] Supercharger problem games? From: "Darrell Spice, Jr." <dspice@xxxxxxxxxxxxxx> Date: Sat, 09 Aug 2003 11:28:26 -0500 |
Darrell Spice, Jr. wrote:
Air-Sea Battle - shots either don't register or a shot on lower row
blows up ship on topmost row
This code seems to the reason: lda CXM0P lsr lsr ora CXM1P
If the unused bits are not zero, the M0 collisions won't work.
Canyon Bomber - screen rolls like crazy
This game produces a vertical sync of 14(!) lines, maybe that's too much?
Maybe that helps.
Have fun!
Thomas _______________________________________________________
Thomas Jentzsch | *** Every bit is sacred ! ***
tjentzsch at web dot de |
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-- Darrell Spice Jr. --==> http://www.spiceware.org <==-- * Emulators for OS/2! Stella = Atari 2600 ColEm = ColecoVision MasterGear = Sega Master System, Game Gear, SG1000, SC3000 VGB = Game Boy, Game Boy Color, Super Game Boy * OS/2 programming info also available.
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