Re: A83: Re: Hex displaying
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Re: A83: Re: Hex displaying
You should be able to speed this up by skipping the map where you look
up the values in ASCII..
those is in the asciitable just after eachother.. so you only need to
add a fixed number to a to transform
the value of a to the ascii-character of that hex-value..
//Olle
Joe Wingbermuehle wrote:
>
> I made a routine awhile back to display a in hex, it shouldn't be too hard
> to make it display hl in hex (if nothing else you could at least call it
> twice with h then l).
> It probably isn't very well coded, but oh well:
>
> ;---------= Display A in Hex =---------
> ; In: a=number
> ; Out: a is displayed in hex
> ; Registers destroyed: af c de hl
> dispHex:
> ld c,a
> and %11110000
> rra
> rra
> rra
> rra
> ld d,0
> ld e,a
> ld hl,dispHex_map
> push hl
> add hl,de
> ld a,(hl)
> call putc
> ld a,c
> and %00001111
> ld e,a
> pop hl
> add hl,de
> ld a,(hl)
> jp putc
> dispHex_map:
> .db "0123456789ABCDEF"
>
> Joe Wingbermuehle
> http://www.usmo.com/~joewing/
>
> -----Original Message-----
> From: Alan C Johnson <benjamin99@juno.com>
> To: assembly-83@lists.ticalc.org <assembly-83@lists.ticalc.org>
> Date: Sunday, September 13, 1998 8:40 PM
> Subject: A83: Hex displaying
>
> >
> >How can I display a 16-bit hex number in fixed font?
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