mratsim / chirp8 Goto Github PK
View Code? Open in Web Editor NEWA Chip-8 emulator written in Nim
License: Apache License 2.0
A Chip-8 emulator written in Nim
License: Apache License 2.0
Currently there is no keypress support.
The following loop must be modified:
Lines 34 to 44 in ba98bdb
KeyDOWN
matches pressing
KeyUp
matches release
So something like that can be done
while gameState.running:
while sdl2.pollEvent(gameState.event):
case gameState.event.kind:
of QuitEvent:
gameState.running = false
break
of KeyDown:
case event.key.keysym.sym:
of K_KP0: foo(key0)
of K_KP1: foo(key1)
...
else:
break
Keycodes are available here: https://github.com/nim-lang/sdl2/blob/master/src/sdl2/private/keycodes.nim
A new "key" array should be added to store the key states (up or down)
The original key layout is this:
with 2-4-6-8 corresponding to up left right down.
Ideally Chirp-8 should read mapping from a .cfg to so that people can customize their keyboard mapping:
cc @Vindaar
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