C-Power graphics package part 2 of 6 (grafpak.h)

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1 total messages Started by prindle Mon, 20 Oct 1986 23:40

#2353

Author: prindle
Date: Mon, 20 Oct 1986 23:40

27 lines
1487 bytes

From: prindle@NADC

/* Graphics Package Definitions 
** Filename: grafpak.h
*/

#define peek(x)   *((char *)x)
#define poke(x,y) *((char *)x)=y

#define C2DDRA   56578   /* data direct. reg. A */
#define CI2PRA   56576   /* Data port reg. A */
#define COLOR    646     /* Text mode foreground color */
#define COLORMEM 55296   /* Color memory */
#define VICCTL   53265   /* VIC-II Mode Control */
#define VICMC    53270   /* VIC-II Multi-Color Control */
#define VMCSB    53272   /* VIC-II Memory Control Register */

#define RADCON   57.2957795 /* degrees to radians factor */

extern float    aspect;  /* horiz/vert aspect ratio */
extern unsigned gbank;   /* bank number */
extern unsigned gbase;   /* graphics base address */
extern unsigned sbase;   /* screen base address */
extern unsigned gmode;   /* graphics mode */
extern unsigned vbase;   /* VIC-II base address */
extern char     pencolor[];  /* bg,fg,mc1,mc2 */
extern unsigned cur_x,cur_y; /* current x and y coordinates */

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