;conio - console I/O routines
;mostly just repackaged BDOS stuff

;for cpm zmac:
;ZZglobal putchar
;ZZglobal putbyte
;ZZglobal getchar
;ZZglobal getch
;ZZglobal kbhit


;putchar - put char in a
;puts CR before any LF output
;f corrupt, others preserved
putchar:
cp 10
jr nz,putbyte
ld a,13
call putbyte
ld a,10
;FALLS THROUGH

;putbyte - put char in a without translation
;preserves all regs
putbyte:
push af
push bc
push de
push hl
ld e,a
ld c,2
call 5
pop hl
pop de
pop bc
pop af
ret


;getchar - get char into a (without echo)
;preserves all but f
getch:		;same
getchar:
push bc
push de
push hl
getchlp:
call kbhit
jr nc,getchlp
ld e,0ffh
ld c,6
call 5
pop hl
pop de
pop bc
ret


;kbhit - like the common DOS C function
;returns c if key pressed, nc if not
kbhit:
ld c,11
call 5
rra
ret