/* */
/* */
/* */
-/* (C) 2000-2018 Mark Keates <markk@dendrite.co.uk> */
+/* (C) 2000-2019 Mark Keates <markk@dendrite.co.uk> */
/* Freddy Offenga <taf_offenga@yahoo.com> */
/* Christian Groessler <chris@groessler.org> */
+/* Bill Kendrick <nbs@sonic.net> */
/* */
/* */
/* This software is provided 'as-is', without any expressed or implied */
-/* Character codes */
+/*****************************************************************************/
+/* Character codes */
+/*****************************************************************************/
+
#define CH_DELCHR 0xFE /* delete char under the cursor */
#define CH_ENTER 0x9B
#define CH_ESC 0x1B
#define CH_HLINE 0x12
#define CH_VLINE 0x7C
-/* color defines */
-
-/* make GTIA color value */
-#define _gtia_mkcolor(hue,lum) (((hue) << 4) | ((lum) << 1))
-
-/* luminance values go from 0 (black) to 7 (white) */
-
-/* hue values */
-#define HUE_GREY 0
-#define HUE_GOLD 1
-#define HUE_GOLDORANGE 2
-#define HUE_REDORANGE 3
-#define HUE_ORANGE 4
-#define HUE_MAGENTA 5
-#define HUE_PURPLE 6
-#define HUE_BLUE 7
-#define HUE_BLUE2 8
-#define HUE_CYAN 9
-#define HUE_BLUEGREEN 10
-#define HUE_BLUEGREEN2 11
-#define HUE_GREEN 12
-#define HUE_YELLOWGREEN 13
-#define HUE_YELLOW 14
-#define HUE_YELLOWRED 15
-
-/* Color defines, similar to c64 colors (untested) */
-/* Note that the conio color implementation is monochrome (bgcolor and textcolor are only placeholders) */
-/* Use the defines with the setcolor() or _atari_xxxcolor() functions */
-#define COLOR_BLACK _gtia_mkcolor(HUE_GREY,0)
-#define COLOR_WHITE _gtia_mkcolor(HUE_GREY,7)
-#define COLOR_RED _gtia_mkcolor(HUE_REDORANGE,1)
-#define COLOR_CYAN _gtia_mkcolor(HUE_CYAN,3)
-#define COLOR_VIOLET _gtia_mkcolor(HUE_PURPLE,4)
-#define COLOR_GREEN _gtia_mkcolor(HUE_GREEN,2)
-#define COLOR_BLUE _gtia_mkcolor(HUE_BLUE,2)
-#define COLOR_YELLOW _gtia_mkcolor(HUE_YELLOW,7)
-#define COLOR_ORANGE _gtia_mkcolor(HUE_ORANGE,5)
-#define COLOR_BROWN _gtia_mkcolor(HUE_YELLOW,2)
-#define COLOR_LIGHTRED _gtia_mkcolor(HUE_REDORANGE,6)
-#define COLOR_GRAY1 _gtia_mkcolor(HUE_GREY,2)
-#define COLOR_GRAY2 _gtia_mkcolor(HUE_GREY,3)
-#define COLOR_LIGHTGREEN _gtia_mkcolor(HUE_GREEN,6)
-#define COLOR_LIGHTBLUE _gtia_mkcolor(HUE_BLUE,6)
-#define COLOR_GRAY3 _gtia_mkcolor(HUE_GREY,5)
-
-/* TGI color defines */
-#define TGI_COLOR_BLACK COLOR_BLACK
-#define TGI_COLOR_WHITE COLOR_WHITE
-#define TGI_COLOR_RED COLOR_RED
-#define TGI_COLOR_CYAN COLOR_CYAN
-#define TGI_COLOR_VIOLET COLOR_VIOLET
-#define TGI_COLOR_GREEN COLOR_GREEN
-#define TGI_COLOR_BLUE COLOR_BLUE
-#define TGI_COLOR_YELLOW COLOR_YELLOW
-#define TGI_COLOR_ORANGE COLOR_ORANGE
-#define TGI_COLOR_BROWN COLOR_BROWN
-#define TGI_COLOR_LIGHTRED COLOR_LIGHTRED
-#define TGI_COLOR_GRAY1 COLOR_GRAY1
-#define TGI_COLOR_GRAY2 COLOR_GRAY2
-#define TGI_COLOR_LIGHTGREEN COLOR_LIGHTGREEN
-#define TGI_COLOR_LIGHTBLUE COLOR_LIGHTBLUE
-#define TGI_COLOR_GRAY3 COLOR_GRAY3
-
-/* Masks for joy_read */
+
+/*****************************************************************************/
+/* Masks for joy_read */
+/*****************************************************************************/
+
#define JOY_UP_MASK 0x01
#define JOY_DOWN_MASK 0x02
#define JOY_LEFT_MASK 0x04
#define JOY_FIRE_MASK JOY_BTN_1_MASK
#define JOY_FIRE(v) ((v) & JOY_FIRE_MASK)
-/* Keyboard values returned by kbcode / CH */
+
+/*****************************************************************************/
+/* Keyboard values returned by kbcode / CH */
+/*****************************************************************************/
+
#define KEY_NONE ((unsigned char) 0xFF)
#define KEY_0 ((unsigned char) 0x32)
#define KEY_INVERSE ((unsigned char) 0x27)
#define KEY_HELP ((unsigned char) 0x11)
+/* Function keys only exist on the 1200XL model. */
#define KEY_F1 ((unsigned char) 0x03)
#define KEY_F2 ((unsigned char) 0x04)
#define KEY_F3 ((unsigned char) 0x13)
#define KEY_F4 ((unsigned char) 0x14)
+/* N.B. Cannot read Ctrl key alone */
#define KEY_CTRL ((unsigned char) 0x80)
+
+/* N.B. Cannot read Shift key alone via KBCODE;
+** instead, check "Shfit key press" bit of SKSTAT register.
+** Also, no way to tell left Shift from right Shift.
+*/
#define KEY_SHIFT ((unsigned char) 0x40)
-/* Composed keys */
+
+/* Composed keys
+** (Other combinations are possible, including Shift+Ctrl+key,
+** though not all such combinations are available.)
+*/
#define KEY_EXCLAMATIONMARK (KEY_1 | KEY_SHIFT)
#define KEY_QUOTE (KEY_2 | KEY_SHIFT)
#define KEY_LEFT (KEY_PLUS | KEY_CTRL)
#define KEY_RIGHT (KEY_ASTERISK | KEY_CTRL)
-/* color register functions */
+
+/*****************************************************************************/
+/* Color register functions */
+/*****************************************************************************/
+
extern void __fastcall__ _setcolor (unsigned char color_reg, unsigned char hue, unsigned char luminace);
extern void __fastcall__ _setcolor_low (unsigned char color_reg, unsigned char color_value);
extern unsigned char __fastcall__ _getcolor (unsigned char color_reg);
-/* other screen functions */
+/*****************************************************************************/
+/* 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 */
+
+/*****************************************************************************/
+/* Misc. functions */
+/*****************************************************************************/
+
extern unsigned char get_ostype(void); /* get ROM version */
extern unsigned char get_tv(void); /* get TV system */
extern void _save_vecs(void); /* save system vectors */
extern char *_getdefdev(void); /* get default floppy device */
extern unsigned char _is_cmdline_dos(void); /* does DOS support command lines */
-/* global variables */
+
+/*****************************************************************************/
+/* Global variables */
+/*****************************************************************************/
+
extern unsigned char _dos_type; /* the DOS flavour */
#ifndef __ATARIXL__
extern void atr130_emd[];
extern void atrx15p2_tgi[];
#endif
-/* get_ostype return value defines (for explanation, see ostype.s) */
+
+/*****************************************************************************/
+/* get_ostype return value defines (for explanation, see ostype.s) */
+/*****************************************************************************/
+
/* masks */
#define AT_OS_TYPE_MAIN 7
#define AT_OS_TYPE_MINOR (7 << 3)
#define AT_OS_XLXE_3 3
#define AT_OS_XLXE_4 4
-/* get_tv return values */
+
+/*****************************************************************************/
+/* get_tv return values */
+/*****************************************************************************/
+
#define AT_NTSC 0
#define AT_PAL 1
-/* valid _dos_type values */
+
+/*****************************************************************************/
+/* valid _dos_type values */
+/*****************************************************************************/
+
#define SPARTADOS 0
#define REALDOS 1
#define BWDOS 2
#define MYDOS 6
#define NODOS 255
-/* Define hardware */
+
+/*****************************************************************************/
+/* Define hardware and where they're mapped in memory */
+/*****************************************************************************/
+
#include <_gtia.h>
#define GTIA_READ (*(struct __gtia_read*)0xD000)
#define GTIA_WRITE (*(struct __gtia_write*)0xD000)
#include <_antic.h>
#define ANTIC (*(struct __antic*)0xD400)
-/* device control block */
+
+/*****************************************************************************/
+/* Shadow registers for hardware registers */
+/*****************************************************************************/
+
+/* GTIA */
+#define STRIG0 (*(unsigned char*)0x284) /* TRIG0 */
+#define STRIG1 (*(unsigned char*)0x285) /* TRIG1 */
+#define STRIG2 (*(unsigned char*)0x286) /* TRIG2 */
+#define STRIG3 (*(unsigned char*)0x287) /* TRIG3 */
+#define PCOLR0 (*(unsigned char*)0x2C0) /* COLPM0 */
+#define PCOLR1 (*(unsigned char*)0x2C1) /* COLPM1 */
+#define PCOLR2 (*(unsigned char*)0x2C2) /* COLPM2 */
+#define PCOLR3 (*(unsigned char*)0x2C3) /* COLPM3 */
+#define COLOR0 (*(unsigned char*)0x2C4) /* COLPF0 */
+#define COLOR1 (*(unsigned char*)0x2C5) /* COLPF1 */
+#define COLOR2 (*(unsigned char*)0x2C6) /* COLPF2 */
+#define COLOR3 (*(unsigned char*)0x2C7) /* COLPF3 */
+#define COLOR4 (*(unsigned char*)0x2C8) /* COLPBK */
+#define GPRIOR (*(unsigned char*)0x264) /* PRIOR */
+
+/* ANTIC */
+#define SDMCTL (*(unsigned char*)0x22F) /* DMACTL */
+#define CHACT (*(unsigned char*)0x2F3) /* CHACTL */
+#define SDLSTL (*(unsigned char*)0x230) /* DLISTL */
+#define SDLSTH (*(unsigned char*)0x231) /* DLISTH */
+#define SDLST (*(unsigned int*)0x230) /* DLISTL/H together */
+#define CHBAS (*(unsigned char*)0x2F4) /* CHBASE */
+#define LPENH (*(unsigned char*)0x233) /* PENH */
+#define LPENV (*(unsigned char*)0x234) /* PENV */
+
+/* POKEY */
+#define PADDL0 (*(unsigned char*)0x270) /* POT0 */
+#define PADDL1 (*(unsigned char*)0x271) /* POT1 */
+#define PADDL2 (*(unsigned char*)0x272) /* POT2 */
+#define PADDL3 (*(unsigned char*)0x273) /* POT3 */
+#define PADDL4 (*(unsigned char*)0x274) /* POT4 */
+#define PADDL5 (*(unsigned char*)0x275) /* POT5 */
+#define PADDL6 (*(unsigned char*)0x276) /* POT6 */
+#define PADDL7 (*(unsigned char*)0x277) /* POT7 */
+#define CH (*(unsigned char*)0x2FC) /* KBCODE */
+#define POKMSK (*(unsigned char*)0x10) /* IRQEN */
+
+/* PIA */
+#define STICK0 (*(unsigned char*)0x278) /* PORTA for controller port 1 */
+#define STICK1 (*(unsigned char*)0x279) /* PORTA for controller port 2 */
+#define STICK2 (*(unsigned char*)0x27A) /* PORTB for controller port 3 */
+#define STICK3 (*(unsigned char*)0x27B) /* PORTB for controller port 4 */
+#define PTRIG0 (*(unsigned char*)0x27C) /* PORTA for controller port 1, paddle 1 */
+#define PTRIG1 (*(unsigned char*)0x27D) /* PORTA for controller port 1, paddle 2 */
+#define PTRIG2 (*(unsigned char*)0x27E) /* PORTA for controller port 1, paddle 3 */
+#define PTRIG3 (*(unsigned char*)0x27F) /* PORTA for controller port 1, paddle 4 */
+#define PTRIG4 (*(unsigned char*)0x280) /* PORTA for controller port 2, paddle 5 */
+#define PTRIG5 (*(unsigned char*)0x281) /* PORTA for controller port 2, paddle 6 */
+#define PTRIG6 (*(unsigned char*)0x282) /* PORTA for controller port 2, paddle 7 */
+#define PTRIG7 (*(unsigned char*)0x283) /* PORTA for controller port 2, paddle 8 */
+
+
+/*****************************************************************************/
+/* Device control block */
+/*****************************************************************************/
+
struct __dcb {
unsigned char device; /* device id */
unsigned char unit; /* unit number */
};
#define DCB (*(struct __dcb *)0x300)
-/* I/O control block */
+
+/*****************************************************************************/
+/* I/O control block */
+/*****************************************************************************/
+
struct __iocb {
unsigned char handler; /* handler index number (0xff free) */
unsigned char drive; /* device number (drive) */
#define IOCB_FORMAT 0xFE /* format */
-
/* End of atari.h */
#endif
projects / cc65 / blobdiff