etc
/
uxn
mirror of https://git.sr.ht/~rabbits/uxn
0
1
Fork 0
Code Issues Projects Releases Wiki Activity
586 Commits 6 Branches 6 Tags 3.7 MiB
C 84.8%
Shell 5.7%
MoonScript 5.6%
Lua 2.4%
Makefile 1.3%
Other 0.2%
Go to file
Andrew Alderwick 3baad0adc1 Added proportional font example 2021-05-17 07:44:50 +01:00
etc Added invalid source code tests to asma-test.sh 2021-05-16 10:58:00 +01:00
projects Added proportional font example 2021-05-17 07:44:50 +01:00
src Switched load/save print to state length actually loaded/saved 2021-05-16 11:00:53 +01:00
.clang-format * 2021-01-30 14:25:48 -08:00
.gitignore Added test suite for asma 2021-05-16 10:20:42 +01:00
LICENSE init 2021-01-29 11:17:59 -08:00
README.md Fixed hello world 2021-05-13 08:47:18 -07:00
build.sh Created within-rect routine 2021-05-15 21:35:01 -07:00
mkfile mkfile: update; disable broken asma.usm 2021-04-26 06:39:03 +00:00

README.md

Uxn

An 8-bit stack-based computer, written in ANSI C.

Build

To build the Uxn emulator, you must have SDL2 and Portmidi.

./build.sh 
	--debug # Add debug flags to compiler
	--cli # Run rom without graphics

Emulator Controls

  • ctrl+h toggle debugger
  • alt+h toggle zoom

Uxambly

Read more in the Uxambly Guide.

( dev/console )

%RTN { JMP2r }

( devices )

|10 @Console    [ &pad $8 &char $1 ]

( init )

|0100 ( -> )
	
	,hello-word 

	&loop
		( send ) LDRk .Console/char DEO
		( incr ) #01 ADD
		( loop ) DUP ,&loop JCN
	POP
	
BRK

@hello-word "hello 20 "World!

TODOs

  • Shortcut to export/import disk state

Palettes

  • #6a03 #4a0d #aa0c, purple/cyan
  • #a1f3 #a14d #a16c, grey-pink/teal
  • #8c4b #884b #e8bb, commodore64

Convert audio for Unx

sox sub202_C.wav -b 8 -c 1 -e signed output.raw

Refs

https://code.9front.org/hg/plan9front/file/a7f9946e238f/sys/src/games/nes/cpu.c http://www.w3group.de/stable_glossar.html http://www.emulator101.com/6502-addressing-modes.html http://forth.works/8f0c04f616b6c34496eb2141785b4454 https://justinmeiners.github.io/lc3-vm/