; acme -f cbm -o bas_screen.prg --setpc 49152 api.a
; acme -f cbm -o pas_screen.prg --setpc 4096 api.a


 jmp winit     ; SYS 49152 / call ($1000);
 jmp wquit     ; SYS 49155 / call ($1003);
 jmp wswitch   ; SYS 49158 / call ($1006);
 jmp wsplit    ; SYS 49161 / call ($1009);
 jmp wunsplit  ; SYS 49164 / call ($100c);
 jmp whcopy    ; SYS 49167 / call ($100f);

 !source "screen.a"