davervw / ch64edit

C64 Character Set Editor

Home Page:https://techwithdave.davevw.com/2024/04/edit-vic-20-programmable-characters.html

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ch64edit for C64

C64 character set editor

Hint: SPACE toggles pixel. Menus are on screen.

Note: saves to FONT.BIN overwriting any existing file. Manual load from BASIC is initially required to edit a font (after running/initializing editor, and exiting).

LOAD "FONT.BIN",8,1

And wrote a blog entry. Includes more details on keys for operations.

prototype

Abbreviated Memory map - C64

0000-03FF lower RAM
0400-07FF video RAM
0800-1FFF available (was program RAM) ****
2000-2FFF character RAM sets (was program RAM) ****
3000-9FFF program RAM (reduced)
D000-D7FF character RAM set 1 (uppercase/graphics) -- banked
D800-DFFF character RAM set 2 (lowercase/uppercase) -- banked

There is also ch20edit for Vic-20

About

C64 Character Set Editor

https://techwithdave.davevw.com/2024/04/edit-vic-20-programmable-characters.html

License:MIT License


Languages

Language:Assembly 98.2%Language:Shell 1.8%