sub Exit() is
@asm "rst 0";
end sub;

sub MemSet(buf: [uint8], ch: uint8, len: uint16) is
# A=ch, HL=buf
@asm "ld de,(", len, ")"; # DE=len
@asm "jp __MemSet";
end sub;

sub MemCopy(src: [uint8], len: uint16, dest: [uint8]) is
# HL=src
@asm "ld de,(", dest, ")"; # DE=dest
@asm "ld bc,(", len, ")"; # BC=len
@asm "jp __MemCopy";
end sub;