/* */
/*****************************************************************************/
+
+
#ifndef _ATARI_H
#define _ATARI_H
+
+
+/* Check for errors */
+#if !defined(__ATARI__)
+# error This module may only be used when compiling for the Atari!
+#endif
+
+
+
/* Character codes */
#define CH_DEL 0xFE
#define CH_ESC 0x1B
#define HUE_GREEN 12
#define HUE_YELLOWGREEN 13
#define HUE_YELLOW 14
-#define HUE_YELLOWRED 15
+#define HUE_YELLOWRED 15
/* Color defines, similar to c64 colors (untested) */
#define COLOR_BLACK _gtia_mkcolor(HUE_GREY,0)
extern unsigned char __fastcall__ getcolor (unsigned char color_reg);
/* other screen functions */
+extern int __fastcall__ graphics(unsigned char mode); /* mode value same as in BASIC */
extern void __fastcall__ scroll (signed char numlines);
/* numlines > 0 scrolls up */
/* numlines < 0 scrolls down */
/* misc. functions */
-extern void save_vecs(void); /* save system vectors */
-extern void rest_vecs(void); /* restore system vectors */
-extern unsigned int get_ostype(void); /* get ROM version */
+extern void save_vecs(void); /* save system vectors */
+extern void rest_vecs(void); /* restore system vectors */
+extern unsigned char get_ostype(void); /* get ROM version */
+extern unsigned char get_tv(void); /* get TV system */
/* get_ostype return value defines (for explanation, see ostype.s) */
/* masks */
#define AT_OS_TYPE_MAIN 7
-#define AT_OS_PALNTSC (3 << 3)
-#define AT_OS_TYPE_MINOR (7 << 5)
+#define AT_OS_TYPE_MINOR (7 << 3)
/* AT_OS_TYPE_MAIN values */
#define AT_OS_UNKNOWN 0
#define AT_OS_400800 1
#define AT_OS_1200XL 2
#define AT_OS_XLXE 3
-/* AT_OS_PALNTSC values */
-#define AT_OS_PAL 1
-#define AT_OS_NTSC 2
/* AS_OS_TYPE_MINOR values */
-#define AT_OS_400800_A 1
-#define AT_OS_400800_B 2
+/* for 400/800 remember this are the ROM versions */
+/* to check whether the hw is PAL or NTSC, use get_tv() */
+#define AT_OS_400800PAL_A 1
+#define AT_OS_400800PAL_B 2
+#define AT_OS_400800NTSC_A 1
+#define AT_OS_400800NTSC_B 2
#define AT_OS_1200_10 1
#define AT_OS_1200_11 2
#define AT_OS_XLXE_1 1
#define AT_OS_XLXE_3 3
#define AT_OS_XLXE_4 4
+/* get_tv return values */
+#define AT_NTSC 0
+#define AT_PAL 1
+
/* Define hardware */
#include <_gtia.h>
-#define GTIA (*(struct __gtia_write*)0xD000)
-#define GTIA (*(struct __gtia_read*)0xD000)
+#define GTIA_READ (*(struct __gtia_read*)0xD000)
+#define GTIA_WRITE (*(struct __gtia_write*)0xD000)
#include <_pbi.h>
#include <_pokey.h>
-#define POKEY (*(struct __pokey_write*)0xD200)
-#define POKEY (*(struct __pokey_read*)0xD200)
+#define POKEY_READ (*(struct __pokey_read*)0xD200)
+#define POKEY_WRITE (*(struct __pokey_write*)0xD200)
#include <_pia.h>
#define PIA (*(struct __pia*)0xD300)
#include <_antic.h>
#define ANTIC (*(struct __antic*)0xD400)
+/* device control block */
+struct __dcb {
+ unsigned char device; /* device id */
+ unsigned char unit; /* unit number */
+ unsigned char command; /* command */
+ unsigned char status; /* command type / status return */
+ void *buffer; /* pointer to buffer */
+ unsigned char timeout; /* device timeout in seconds */
+ unsigned char unused;
+ unsigned int xfersize; /* # of bytes to transfer */
+ unsigned char aux1; /* 1st command auxiliary byte */
+ unsigned char aux2; /* 2nd command auxiliary byte */
+};
+#define DCB (*(struct __dcb *)0x300)
+
/* End of atari.h */
#endif /* #ifndef _ATARI_H */