[A83] Re: program writeback

To: assembly-83@lists.ticalc.org
Subject: [A83] Re: program writeback
From: Peter-Martijn Kuipers <hyper@hbyte.net>
Date: Mon, 20 May 2002 16:42:52 +0200 (CEST)
In-Reply-To: <F44TAceLH7BtliVATL7000069bc@hotmail.com>
Reply-To: assembly-83@lists.ticalc.org


The $BB,$6D bytes get taken into the program too...
so it's six bytes after the start of the program to the keys section.





On Mon, 20 May 2002, SUCKER [Pieter Van Nuffel] wrote:

> 
>     .org progstart-2
>     .db $BB,$6D	; 2 bytes
> 
> 	jr start	; 3 bytes
> ;++++++++++++++++++++++
> 	.db 3		; 1 byte
> keys:
> 	.db 38			;<SIN>
> 	.db 30			;<COS>
> 	.db 22			;<TAN>
> 	.db 0			; -> are the default keys
> 	.db 0			;
> 	.db 0			;
> 	.db 0			;
> ;+++++++++++++++++++++
> 
> start:
> 	ld ix,$saferam1
> 	bcall(_indicatorOff)	;
> 	call shutdown		;
>         [...]
> 
> -----------------------------------
> 
> And this piece of code searches prgmZSUCWELC
> and copies the amount of keys and the keys to prgmZSUCWELC
> 
> -----------------------------------
> 
> store:
>      	ld hl,prog              ;search for prgm zsucwelc
>      	bcall(_mov9toop1)       ;
>      	bcall(_chkfindsym)      ;
> 	ret c			;
> 	inc de
>         inc de
>         inc de
>         inc de
> 
> 	ld hl,keys2		;keys2=inside saferam1
> 	ld bc,8			;
> 	ld a,(keys2)		;
> 	ld c,a			;
> 	inc c			;
> 	ldir			;
> 	ret			; return to TI-OS
> 
> 
> prog:   .db   5,"ZSUCWELC",0
> 
> -----------------------------------
> 
>       SUCKER [Pieter Van Nuffel]
> 
> 
> _________________________________________________________________
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> 
>

References:

[A83] program writeback

From: "SUCKER [Pieter Van Nuffel]" <sucker_pvn@hotmail.com>