Re: [cc65] Newbie-Question

On Tuesday 27 July 2004 15:28, MagerValp wrote:
> TL> Every time I start my compiled program on my C64-emulator the
> TL> letters switch to big/small-letters, but I need big-letters and
> TL> graphic-signs and I don´t want that you can switch it with the
> TL> keyboard after start.
> 
> You control the font with $d018. cc65 changes it to $17, and you can
> change it back to $15 with:
> 
>   *(unsigned char *)0xd018 = 0x15;
> 
> or the slightly more readable:
> 
>   #define Poke(A,X) (*(unsigned char *)A) = (X)
>   #define Peek(A)   (*(unsigned char *)A)
>   #define PokeW(A,X) (*(unsigned int *)A) = (X)
>   #define PeekW(A)   (*(unsigned int *)A)
> 
>   Poke(0xd018, 0x15);

and to lock the cbm+shift thing, you need to "print" petscii character
number 8 .... something like

	asm("lda #8\njsr $ffd2\n"); // lock
	asm("lda #9\njsr $ffd2\n"); // unlock

mmmh... you can probably also write to some flag in the (extended) 
zeropage, but i dont recall what it was :)

gpz

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