ZX Spectrum

ZXUnoPS2 - PS2 Keyboard

.ino de Antonio V.

https://github.com/zxdos/zxdos-plus/blob/master/zxunops2/zxunops2.ino

.ino de Spark

https://github.com/spark2k06/zxunops2/blob/master/Original/zxunops2/zxunops2.ino

Tu gomas convertido a teclado PS2, LOW Cost y DIY

https://www.zxuno.com/forum/viewtopic.php?f=63&t=1604&start=10#p19061

48K-KDLXR

https://www.sellmyretro.com/user/unsoldItems/PokeMon

https://www.ginger-electronic.com/en/

http://www.users.globalnet.co.uk/~jg27paw4/yr05/yr05_72.htm

Listing 1. This is a test program which allows you to test your newly- built joystick.

100 REM ** INTERFACE ZERO

110 REM ** DEMONSTRATION

120 CLS

130 LET x=16: LET y=10

140 LET oldx=x: LET oldy=y

150 LET k=IN 61438

160 LET k=31+INT (k/32)*32-k

170 IF k>=16 THEN LET k=k-16: LET x=x-(x>0)

180 IF k>=8 THEN LET k=k-8: LET x=x+(x<31)

190 IF k>=4 THEN LET k=k-4: LET y=y+(y<21)

200 IF k>=2 THEN LET k=k-2: LET y=y-(y>0)

210 INK k+k

220 PRINT AT oldy,oldx;" "

230 PRINT AT y,x;"*"

240 GO TO 140