CWTA Issue 39 - March 1988 - Type-Ins

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The following listings were published in the March 1988 issue of Computing_with_the_Amstrad:


  • Meltdown (Robin Nixon)
  • Pixelator (Robin Nixon) NB correction from June 1988 included
  • Textdump (Angus Lear) NB correction from July 1988 included
  • Calculator (David Bozon) NB includes extra error-checking routines
  • Trench Digger (D. Wilkes)
  • Clear Screen Routine (Machine Code)


  • All files here originally created by Nich Campbell.
  • A 10-liner called Spiral by Michael Wilcox was published in this issue but is a version of a program in the CPC manual, so it's not included here.
  • Pixelator: Load the screen you wish to edit at &4000, and then load PIXEL.BIN at &8000, like this:

MODE 0:MEMORY &3FFF:LOAD"filename.scr",&4000:LOAD"pixel.bin",&8000:CALL &8000


Main menu: TAB - Go to editing mode, I - change an ink, L - load screen, S - save screen, ESC - return to BASIC;

Ink selection: cursor up - next colour, cursor down - previous colour, cursor left - first colour (black), cursor right - last colour (bright white), RETURN - select colour;

Editing: cursor keys - move cursor, SHIFT+cursor keys - select area of screen within magnifying glass, CONTROL+cursor keys - move magnifying glass, COPY+cursor keys - select inks, TAB - return to main menu, CLR - hide magnifying glass, SPACE - change pixel, ESC - return to BASIC.