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Code Issues Releases Wiki Activity

stdio: little tweaks

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This commit is contained in:
Virgil Dupras 2019-07-13 09:28:35 -04:00
parent e01ee170cb
commit 921a109749
1 changed files with 6 additions and 6 deletions
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12
kernel/stdio.asm
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@ -59,12 +59,10 @@ printstr:
pop af pop af
ret ret
; print A characters from string that HL points to ; print B characters from string that HL points to
printnstr: printnstr:
push bc push bc
push hl push hl
ld b, a
.loop: .loop:
ld a, (hl) ; load character to send ld a, (hl) ; load character to send
call stdioPutC call stdioPutC
@ -77,22 +75,24 @@ printnstr:
ret ret
printcrlf: printcrlf:
push af
ld a, ASCII_CR ld a, ASCII_CR
call stdioPutC call stdioPutC
ld a, ASCII_LF ld a, ASCII_LF
call stdioPutC call stdioPutC
pop af
ret ret
; Print the hex char in A ; Print the hex char in A
printHex: printHex:
push af push bc
push hl push hl
ld hl, STDIO_HEX_FMT ld hl, STDIO_HEX_FMT
call fmtHexPair call fmtHexPair
ld a, 2 ld b, 2
call printnstr call printnstr
pop hl pop hl
pop af pop bc
ret ret
; Print the hex pair in HL ; Print the hex pair in HL