haruka: libc  ➤ cd /Users/matthew.house/Downloads/gbdk/gbdk-lib/libc/
haruka: libc  ➤ /Users/matthew.house/Downloads/gbdk/sdcc/bin/sdcc -I../include --model-small -mgbz80 -DGBDK=1 -c abs.c
at 1: warning 133: Model '--model-small' not supported for gbz80, ignored.
../include/stdlib.h:13: warning 197: keyword 'nonbanked' is deprecated, use '__nonbanked' instead