Commodore 64 Programmers Reference Manual
GRAPHICSOVERVIEWAllofthegraphicsabilitie softheCommodore64comefromthe6567VideoInt erfaceChip(alsoknownastheVIC-IIchip).Thi schipgivesavarietyofgraphicsmodes,includ inga 40columnby25linetextdisplay,a320by200dot highresolutiondisplay,andSPRITES, thisweren'tenough, ,forexample,todefinethetophalfofthescree ntobeinhighresolutionmode, ! :A)CHARACTERDISPLAYMODES1)StandardCharac terModea)ROMcharactersb)RAMprogrammablec haracters2)Multi-ColorCharacterModea)ROM charactersb)RAMprogrammablecharacters3)E xtendedBackgroundColorModea)ROMcharacter sb)RAMprogrammablecharactersB)BITMAPMODE S1)StandardBitMapMode2)Multi-ColorBitMap ModeC)SPRITES1)StandardSprites2) ,thescreenstartsatlocation1024($0400inHE Xadecimalnotation) ($D800inHEX) ,whichmeansthatit canholdanyintegernumberfrom0 , , ,eachofthe1000locationsinscreenmemorycon tainsa ($DOOOinHE
on the keyboard. One of the features of the Commodore 64 is the ability to use patterns located in RAM memory. These RAM patterns are created by you, and that means that you can have an …
Download Commodore 64 Programmers Reference Manual
Information
Domain:
Source:
Link to this page:
Please notify us if you found a problem with this document: