Mode 4 of CPCs (two bitplanes emulation): Difference between revisions
No edit summary |
No edit summary |
||
| Line 1: | Line 1: | ||
'''Mode 4 screen (two bitplanes emulation)''' | '''Mode 4 screen (two bitplanes emulation)''' | ||
Also known as 'Mode 3'. | 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: | Used in games like: Ghosts'n' Goblins, [[Mission_Genocide|ZTB-Mission Genocide]] etc.. | ||
| Line 16: | Line 15: | ||
</gallery> | </gallery> | ||
[[media:RSX sprites toolkit (with gng demo).dsk|DSK with the ACPC listing]] | * [[media:RSX sprites toolkit (with gng demo).dsk|DSK with the ACPC listing]] RUN"DEMO" to watch.. | ||
[[category: programming]] | [[category: programming]] | ||
Revision as of 22:58, 10 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
-
By Chris Wood, published on ACU Jan. 1986
-
Elmar Krieger's article in ACPC n°48, July 93 (page 1)
-
Elmar Krieger's article in ACPC n°48, July 93 (page 2)
-
Elmar Krieger's demo listing in ACPC n°48, July 93 (page 3)
-
Elmar Krieger's demo listing in ACPC n°48, July 93 (page 4)
- DSK with the ACPC listing RUN"DEMO" to watch..