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A snake game clone for Commodore home computers
36 Commits 3 Branches 4 Tags 190 KiB
Assembly 95.6%
C++ 2.3%
Makefile 2.1%
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README.md

snake6502

snake6502 is a snake-like game clone for Commodore home computers, written for fun because «I always wanted to code something for a computer of my retrocomputers collection – actually, this is the main reason I collect them: to write programs».

Compile

You need the dasm macro assembler, then:

$ make

You can also make it output useful extra info with:

$ make debug

Memory map

Address PRG Description
$0000 - $0001 no hardware
$0002 - $00FF no zero page pointers
$0100 - $07FF no free ram
$0800 - $0FFF yes data segment + BASIC autostart
$1000 - $1FFF yes SID tune
$2000 - $27FF yes custom char
$2800 - $xxxx yes program logic (only needed part used)
$xxxx - $CDFF no free ram
$CE00 - $CEFF no list X
$CF00 - $CFFF no list Y
$D000 - $DFFF no I/O
$E000 - $FFFF no Kernal