[A83] Re: number _vputs and black-out a piece of screen
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[A83] Re: number _vputs and black-out a piece of screen
For a number stored in A,
bcall(_setxxop1) ;only works for A must be 0-99
ld a,2 ;tells dispop1a to display at most 2 digits of
OP1 (you won't need more)
bcall(_dispop1a)
--
Michael Vincent
Detached Solutions - www.detacheds.com
--
Senior Vice-President/Chief Software Architect
Radical Software - www.radicalsoft.org
----- Original Message -----
From: "The one and only SUCKER!! ..." <sucker_pvn@hotmail.com>
To: <assembly-83@lists.ticalc.org>
Sent: Wednesday, June 27, 2001 10:22 AM
Subject: [A83] number _vputs and black-out a piece of screen
>
>
>
> How can I output a number stored in a with _vputs?
> It has to be a small font.
>
> ld a,(8008h) ;the place in RAM for the contrast
> ld (number),a
> ld hl,3211h
> ld (pencol),hl
> ld hl,output
> call _vputs
> ld hl,3236h
> ld (pencol),hl
> ld hl,number
> call _vputs
> ret
>
> output:
> .db "Contrast= <31.",0
> number:
> .db "22",0
>
> I want to use this program with my Suckerwelcome password program,
> because I have rechargeble batteries I want to know what the contrast is.
> With my exams last time my batteries were totally out of energy, and that
> exam of math wasn't good at all...
>
>
>
> And can somebody find out a better way to black-out a piece of screen...
>
>
> call _clrscrnfull
> ld d,1 ;don't forget d!!
> ld b,12
> ld c,12
> call draw
> next:
> ld b,10
> inc c
> ld a,c
> cp 24
> jr z,stop
> call draw
> jr next
> draw:
> call _ipoint
> inc b
> ld a,b
> cp 24
> ret z
> jr draw
>
> stop:
> call _getkey
> ret
>
> !! to use _ipoint you have to store something in d
> 0 - pixel off
> 1 - pixel on
> 2 - xor pixel
> 3 - test pixel (z=0 if pixel is off, z=1 if on)
> 4 - pixel from graphbuffer -> homescreen
>
> The other time this wasn't mentioned, but it's important!
>
>
> SUCKER
>
>
> _________________________________________________________________________
> Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com.
>
>
>
>
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