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; showline.asm
bdos equ 5
parambegin equ 80h
paramlen equ 128
org 100h
call showendline
ld hl, parambegin
ld b, paramlen
nextchar: ld a, (hl)
call showreg
inc hl
;djnz nextchar
dec b
jp nz, nextchar
call showendline
ld hl, parambegin
ld a, (hl)
nextchar2: inc hl
cp 0
jp z, nomorechar
ld e, (hl)
ld c, 2
push hl
push af
call bdos
pop af
pop hl
dec a
jp nextchar2
nomorechar: call showendline
call 0
showendline: ld de, endline
ld c, 9
call bdos
ret
showreg:
push bc
push hl
push af
push af
ld e, 20h
ld c, 2
call bdos
pop af
; Para ver mejor al trazar.
and 0F0h
rrca
rrca
rrca
rrca
call shownibble
pop af
call shownibble
pop hl
pop bc
ret
shownibble:
and 0Fh
add a, 30h
cp 3Ah
jp c, isdigit
add a, 7
isdigit:
ld e, a
ld c, 2
call bdos
ret
endline defb 0Dh, 0Ah, '$'
this_is_the_end: end
; End of showline.asm
|
