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Questions tagged [cpc464]

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For questions regarding the Amstrad CPC464 Z80-based microcomputer.

14 questions
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5 votes
2 answers
276 views

I am trying to code this program, similar to game: "The Typing of The Dead" in Amstrad CPC 464 using Assembly language for the Z80 processor. The program consists in when you see a string of ...
reymagnus's user avatar
  • 173
8 votes
1 answer
824 views

I'm trying to emulate an Amstrad CPC 464. I'm having trouble to understand how its Motorola MC6845 CRTC chip behaves on start-up. The boot ROM sets up the CRTC registers pretty early on, but if I ...
mdm's user avatar
  • 497
14 votes
1 answer
2k views

The screen memory layout on the Commodore 64 in bitmap mode was nonlinear - which incurred a penalty in development time, code size and speed for games using it - because when designing the VIC-II, ...
rwallace's user avatar
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11 votes
2 answers
1k views

I had my first programming experience in the late 80s / early 90s on a Schneider (Amstrad) CPC 464 in Basic. I remember that when a program was running, depending on the current workload of the ...
elzell's user avatar
  • 213
8 votes
1 answer
204 views

CBM prg studio is brilliant. I have searched Google for a version (or something similar) for the Amstrad CPC 464, to no avail. Does anyone know of one?
WonderWorker's user avatar
  • 230
18 votes
1 answer
1k views

I was recently reading about the Amstrad CPC 472, which was a CPC 464 with an extra, unusable 8KB of RAM added to avoid Spanish import fees on computers with 64KB or less. Did any other computers have ...
user3570736's user avatar
  • 1,852
15 votes
1 answer
2k views

In the Amstrad CPC464 (and I guess it's the same for CPC664 and 6128), the CRTC and the gate array work together to build the display image: every microsecond, the CRTC puts a memory address and a ...
mcleod_ideafix's user avatar
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