Mode 4 of CPCs (two bitplanes emulation): Difference between revisions
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Revision as of 15:15, 11 February 2012
Mode 4 screen (two bitplanes emulation)
is a software technique to emulate two bitplanes on-screen at once. The main advantage is that you don't need to take care of the background while moving sprites around. Moreover, graphics need 50% less memory space. On the other hand, main disadvantage is that you can use half of available colours for each bitplane. Also known as 'Mode 3'.
Used in games like: Ghosts'n' Goblins, ZTB-Mission Genocide etc..
- Related articles in Amstrad Computer User & ACPC
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By Chris Wood, published on ACU Jan. 1986
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Elmar Krieger's article in ACPC n°48, July 93 (page 1)
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Elmar Krieger's article in ACPC n°48, July 93 (page 2)
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Elmar Krieger's demo listing in ACPC n°48, July 93 (page 3)
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Elmar Krieger's demo listing in ACPC n°48, July 93 (page 4)
- DSK with the ACPC listing RUN"DEMO" to watch..