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Re: 6502 illegal opcodes questions
Hello,
just some nit-picking:
Linards Ticmanis <ticmanis@gmx.de> schrieb:
> So once every line of characters the CPU has to stop for 40 cycles, so
> that the character numbers can be read and stored. Then during the
> normal video cycles only the character shapes are read. Color numbers
> for the characters, on the other hand, are read in parallel from a
> special SRAM with its own addressing lines going to the video chip.
The color RAM has its own DATA lines, but the same address lines.
It is D8-D11 on the VIC-II.
Regards,
Spiro.
--
Spiro R. Trikaliotis http://cbm4win.sf.net/
http://www.trikaliotis.net/ http://www.viceteam.org/