X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=include%2Fatari.h;h=4fc027d20fcf1a736e2d4f0c6968b62d259d4c59;hb=be6bba66a927e419860d2115e2d38de4e1c09d96;hp=05198684ea15d4b9c68ac774e9dacf820e899f5f;hpb=73ab1ef8a96ee588f97e81fafd18835d35a073d2;p=cc65 diff --git a/include/atari.h b/include/atari.h index 05198684e..4fc027d20 100644 --- a/include/atari.h +++ b/include/atari.h @@ -1,14 +1,15 @@ /*****************************************************************************/ /* */ -/* atari.h */ +/* atari.h */ /* */ -/* Atari system specific definitions */ +/* Atari system specific definitions */ /* */ /* */ /* */ -/* (C) 2000 Mark Keates */ -/* Freddy Offenga */ -/* Christian Groessler */ +/* (C) 2000-2019 Mark Keates */ +/* Freddy Offenga */ +/* Christian Groessler */ +/* Bill Kendrick */ /* */ /* */ /* This software is provided 'as-is', without any expressed or implied */ @@ -36,19 +37,21 @@ #define _ATARI_H - /* Check for errors */ #if !defined(__ATARI__) # error This module may only be used when compiling for the Atari! #endif +/*****************************************************************************/ +/* Character codes */ +/*****************************************************************************/ -/* Character codes */ -#define CH_DELCHR 0xFE /* delete char under the cursor */ -#define CH_ESC 0x1B -#define CH_CURS_UP 28 -#define CH_CURS_DOWN 29 +#define CH_DELCHR 0xFE /* delete char under the cursor */ +#define CH_ENTER 0x9B +#define CH_ESC 0x1B +#define CH_CURS_UP 28 +#define CH_CURS_DOWN 29 #define CH_CURS_LEFT 30 #define CH_CURS_RIGHT 31 @@ -62,102 +65,248 @@ #define CH_INSLINE 0x9D /* insert line */ /* These are defined to be Atari + NumberKey */ -#define CH_F1 177 -#define CH_F2 178 -#define CH_F3 179 -#define CH_F4 180 -#define CH_F5 181 -#define CH_F6 182 -#define CH_F7 183 -#define CH_F8 184 -#define CH_F9 185 -#define CH_F10 176 - -#define CH_ULCORNER 0x11 -#define CH_URCORNER 0x05 -#define CH_LLCORNER 0x1A -#define CH_LRCORNER 0x03 -#define CH_TTEE 0x17 -#define CH_BTEE 0x18 -#define CH_LTEE 0x01 -#define CH_RTEE 0x04 -#define CH_CROSS 0x13 +#define CH_F1 177 +#define CH_F2 178 +#define CH_F3 179 +#define CH_F4 180 +#define CH_F5 181 +#define CH_F6 182 +#define CH_F7 183 +#define CH_F8 184 +#define CH_F9 185 +#define CH_F10 176 + +#define CH_ULCORNER 0x11 +#define CH_URCORNER 0x05 +#define CH_LLCORNER 0x1A +#define CH_LRCORNER 0x03 +#define CH_TTEE 0x17 +#define CH_BTEE 0x18 +#define CH_LTEE 0x01 +#define CH_RTEE 0x04 +#define CH_CROSS 0x13 #define CH_HLINE 0x12 -#define CH_VLINE 0x16 - -/* 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) - -/* 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); - -/* function similar to conio color functions; please note that _atari_textcolor only sets the */ -/* luminance of the text in standard text mode */ -extern unsigned char __fastcall__ _atari_textcolor (unsigned char color); -extern unsigned char __fastcall__ _atari_bgcolor (unsigned char color); -extern unsigned char __fastcall__ _atari_bordercolor (unsigned char color); - -/* other screen functions */ -extern int __fastcall__ graphics(unsigned char mode); /* mode value same as in BASIC */ -extern void __fastcall__ scroll (signed char numlines); +#define CH_VLINE 0x7C + + +/*****************************************************************************/ +/* Masks for joy_read */ +/*****************************************************************************/ + +#define JOY_UP_MASK 0x01 +#define JOY_DOWN_MASK 0x02 +#define JOY_LEFT_MASK 0x04 +#define JOY_RIGHT_MASK 0x08 +#define JOY_BTN_1_MASK 0x10 + +#define JOY_FIRE_MASK JOY_BTN_1_MASK +#define JOY_FIRE(v) ((v) & JOY_FIRE_MASK) + + +/*****************************************************************************/ +/* Keyboard values returned by kbcode / CH */ +/*****************************************************************************/ + +#define KEY_NONE ((unsigned char) 0xFF) + +#define KEY_0 ((unsigned char) 0x32) +#define KEY_1 ((unsigned char) 0x1F) +#define KEY_2 ((unsigned char) 0x1E) +#define KEY_3 ((unsigned char) 0x1A) +#define KEY_4 ((unsigned char) 0x18) +#define KEY_5 ((unsigned char) 0x1D) +#define KEY_6 ((unsigned char) 0x1B) +#define KEY_7 ((unsigned char) 0x33) +#define KEY_8 ((unsigned char) 0x35) +#define KEY_9 ((unsigned char) 0x30) + +#define KEY_A ((unsigned char) 0x3F) +#define KEY_B ((unsigned char) 0x15) +#define KEY_C ((unsigned char) 0x12) +#define KEY_D ((unsigned char) 0x3A) +#define KEY_E ((unsigned char) 0x2A) +#define KEY_F ((unsigned char) 0x38) +#define KEY_G ((unsigned char) 0x3D) +#define KEY_H ((unsigned char) 0x39) +#define KEY_I ((unsigned char) 0x0D) +#define KEY_J ((unsigned char) 0x01) +#define KEY_K ((unsigned char) 0x05) +#define KEY_L ((unsigned char) 0x00) +#define KEY_M ((unsigned char) 0x25) +#define KEY_N ((unsigned char) 0x23) +#define KEY_O ((unsigned char) 0x08) +#define KEY_P ((unsigned char) 0x0A) +#define KEY_Q ((unsigned char) 0x2F) +#define KEY_R ((unsigned char) 0x28) +#define KEY_S ((unsigned char) 0x3E) +#define KEY_T ((unsigned char) 0x2D) +#define KEY_U ((unsigned char) 0x0B) +#define KEY_V ((unsigned char) 0x10) +#define KEY_W ((unsigned char) 0x2E) +#define KEY_X ((unsigned char) 0x16) +#define KEY_Y ((unsigned char) 0x2B) +#define KEY_Z ((unsigned char) 0x17) + +#define KEY_COMMA ((unsigned char) 0x20) +#define KEY_PERIOD ((unsigned char) 0x22) +#define KEY_SLASH ((unsigned char) 0x26) +#define KEY_SEMICOLON ((unsigned char) 0x02) +#define KEY_PLUS ((unsigned char) 0x06) +#define KEY_ASTERISK ((unsigned char) 0x07) +#define KEY_DASH ((unsigned char) 0x0E) +#define KEY_EQUALS ((unsigned char) 0x0F) +#define KEY_LESSTHAN ((unsigned char) 0x36) +#define KEY_GREATERTHAN ((unsigned char) 0x37) + +#define KEY_ESC ((unsigned char) 0x1C) +#define KEY_TAB ((unsigned char) 0x2C) +#define KEY_SPACE ((unsigned char) 0x21) +#define KEY_RETURN ((unsigned char) 0x0C) +#define KEY_DELETE ((unsigned char) 0x34) +#define KEY_CAPS ((unsigned char) 0x3C) +#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 +** (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_HASH (KEY_3 | KEY_SHIFT) +#define KEY_DOLLAR (KEY_4 | KEY_SHIFT) +#define KEY_PERCENT (KEY_5 | KEY_SHIFT) +#define KEY_AMPERSAND (KEY_6 | KEY_SHIFT) +#define KEY_APOSTROPHE (KEY_7 | KEY_SHIFT) +#define KEY_AT (KEY_8 | KEY_SHIFT) +#define KEY_OPENINGPARAN (KEY_9 | KEY_SHIFT) +#define KEY_CLOSINGPARAN (KEY_0 | KEY_SHIFT) +#define KEY_UNDERLINE (KEY_DASH | KEY_SHIFT) +#define KEY_BAR (KEY_EQUALS | KEY_SHIFT) +#define KEY_COLON (KEY_SEMICOLON | KEY_SHIFT) +#define KEY_BACKSLASH (KEY_PLUS | KEY_SHIFT) +#define KEY_CIRCUMFLEX (KEY_ASTERISK | KEY_SHIFT) +#define KEY_OPENINGBRACKET (KEY_COMMA | KEY_SHIFT) +#define KEY_CLOSINGBRACKET (KEY_PERIOD | KEY_SHIFT) +#define KEY_QUESTIONMARK (KEY_SLASH | KEY_SHIFT) +#define KEY_CLEAR (KEY_LESSTHAN | KEY_SHIFT) +#define KEY_INSERT (KEY_GREATERTHAN | KEY_SHIFT) + +#define KEY_UP (KEY_UNDERLINE | KEY_CTRL) +#define KEY_DOWN (KEY_EQUALS | KEY_CTRL) +#define KEY_LEFT (KEY_PLUS | KEY_CTRL) +#define KEY_RIGHT (KEY_ASTERISK | KEY_CTRL) + + +/*****************************************************************************/ +/* 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 */ +/*****************************************************************************/ + +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 char get_ostype(void); /* get ROM version */ -extern unsigned char get_tv(void); /* get TV system */ -extern char *getdefdev(void); /* get default floppy device */ -/* global variables */ -extern unsigned char _dos_type; /* the DOS flavour */ +/*****************************************************************************/ +/* 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 void _rest_vecs(void); /* restore system vectors */ +extern char *_getdefdev(void); /* get default floppy device */ +extern unsigned char _is_cmdline_dos(void); /* does DOS support command lines */ + + +/*****************************************************************************/ +/* Global variables */ +/*****************************************************************************/ + +extern unsigned char _dos_type; /* the DOS flavour */ +#ifndef __ATARIXL__ +extern void atr130_emd[]; +extern void atrstd_joy[]; /* referred to by joy_static_stddrv[] */ +extern void atrmj8_joy[]; +extern void atrjoy_mou[]; +extern void atrst_mou[]; /* referred to by mouse_static_stddrv[] */ +extern void atrami_mou[]; +extern void atrtrk_mou[]; +extern void atrtt_mou[]; +extern void atrrdev_ser[]; +extern void atr3_tgi[]; +extern void atr4_tgi[]; +extern void atr5_tgi[]; +extern void atr6_tgi[]; +extern void atr7_tgi[]; +extern void atr8_tgi[]; /* referred to by tgi_static_stddrv[] */ +extern void atr8p2_tgi[]; +extern void atr9_tgi[]; +extern void atr9p2_tgi[]; +extern void atr10_tgi[]; +extern void atr10p2_tgi[]; +extern void atr11_tgi[]; +extern void atr14_tgi[]; +extern void atr15_tgi[]; +extern void atr15p2_tgi[]; +#else +extern void atrx130_emd[]; +extern void atrxstd_joy[]; /* referred to by joy_static_stddrv[] */ +extern void atrxmj8_joy[]; +extern void atrxjoy_mou[]; +extern void atrxst_mou[]; /* referred to by mouse_static_stddrv[] */ +extern void atrxami_mou[]; +extern void atrxtrk_mou[]; +extern void atrxtt_mou[]; +extern void atrxrdev_ser[]; +extern void atrx3_tgi[]; +extern void atrx4_tgi[]; +extern void atrx5_tgi[]; +extern void atrx6_tgi[]; +extern void atrx7_tgi[]; +extern void atrx8_tgi[]; /* referred to by tgi_static_stddrv[] */ +extern void atrx8p2_tgi[]; +extern void atrx9_tgi[]; +extern void atrx9p2_tgi[]; +extern void atrx10_tgi[]; +extern void atrx10p2_tgi[]; +extern void atrx11_tgi[]; +extern void atrx14_tgi[]; +extern void atrx15_tgi[]; +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) @@ -180,18 +329,37 @@ extern unsigned char _dos_type; /* the DOS flavour */ #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 */ -#define ATARIDOS 0 -#define SPARTADOS 1 -#define OSADOS 2 -#define MYDOS 3 /* detection currently not implemented */ -#define NODOS 255 /* detection currently not implemented */ -/* Define hardware */ +/*****************************************************************************/ +/* valid _dos_type values */ +/*****************************************************************************/ + +#define SPARTADOS 0 +#define REALDOS 1 +#define BWDOS 2 +#define OSADOS 3 +#define XDOS 4 +#define ATARIDOS 5 +#define MYDOS 6 +#define NODOS 255 + + +/*****************************************************************************/ +/* Define hardware and where they're mapped in memory */ +/*****************************************************************************/ + +#include <_atarios.h> +#define OS (*(struct __os*)0x0000) +#define BASIC (*(struct __basic*)0x0080) + #include <_gtia.h> #define GTIA_READ (*(struct __gtia_read*)0xD000) #define GTIA_WRITE (*(struct __gtia_write*)0xD000) @@ -208,20 +376,171 @@ extern unsigned char _dos_type; /* the DOS flavour */ #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) + +/*****************************************************************************/ +/* conio and TGI color defines */ +/*****************************************************************************/ + +/* Note that the conio color implementation is monochrome +** (textcolor just sets text brightness low or high, depending on background +** color) +** These values can be used with bordercolor(), bgcolor(), and _setcolor_low() +*/ +#define COLOR_BLACK GTIA_COLOR_BLACK +#define COLOR_WHITE GTIA_COLOR_WHITE +#define COLOR_RED GTIA_COLOR_RED +#define COLOR_CYAN GTIA_COLOR_CYAN +#define COLOR_VIOLET GTIA_COLOR_VIOLET +#define COLOR_GREEN GTIA_COLOR_GREEN +#define COLOR_BLUE GTIA_COLOR_BLUE +#define COLOR_YELLOW GTIA_COLOR_YELLOW +#define COLOR_ORANGE GTIA_COLOR_ORANGE +#define COLOR_BROWN GTIA_COLOR_BROWN +#define COLOR_LIGHTRED GTIA_COLOR_LIGHTRED +#define COLOR_GRAY1 GTIA_COLOR_GRAY1 +#define COLOR_GRAY2 GTIA_COLOR_GRAY2 +#define COLOR_LIGHTGREEN GTIA_COLOR_LIGHTGREEN +#define COLOR_LIGHTBLUE GTIA_COLOR_LIGHTBLUE +#define COLOR_GRAY3 GTIA_COLOR_GRAY3 + +/* 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 + + +/*****************************************************************************/ +/* PIA PORTA and PORTB register bits */ +/*****************************************************************************/ + +/* See also: "JOY_xxx_MASK" in "atari.h" */ + +/* Paddle 0-3 triggers (per PORTA bits) */ +#define PORTA_PTRIG3 0x80 +#define PORTA_PTRIG2 0x40 +#define PORTA_PTRIG1 0x08 +#define PORTA_PTRIG0 0x04 + + +/* On the Atari 400/800, PORTB is the same as PORTA, but for controller ports 3 & 4. */ + +/* Paddle 4-7 triggers (per PORTB bits); only 400/800 had four controller ports */ +#define PORTB_PTRIG7 0x80 +#define PORTB_PTRIG6 0x40 +#define PORTB_PTRIG5 0x08 +#define PORTB_PTRIG4 0x04 + + +/* On the XL series of computers, PORTB has been changed to a memory and +** LED control (1200XL model only) register (read/write): +*/ + +/* If set, the built-in OS is enabled, and occupies the address range $C000-$FFFF +** (except that the area $D000-$D7FF will only access the hardware registers.) +** If clear, RAM is enabled in this area (again, save for the hole.) +*/ +#define PORTB_OSROM 0x01 + +/* If set, RAM is enabled for the address range $A000-$BFFF. +** If clear, the built-in BASIC ROM is enabled at this address. +** And if there is a cartridge installed in the computer, it makes no difference. +*/ +#define PORTB_BASICROM 0x02 + +/* If set, the corresponding LED is turned off. If clear, the LED will be on. +** (1200XL only) +*/ +#define PORTB_LED1 0x04 +#define PORTB_LED2 0x08 + + +/* On the XE series of computers, PORTB is a bank-selected memory control register (read/write): */ + +/* These bits determine which memory bank is visible to the CPU and/or ANTIC chip +** when their Bank Switch bit is set. There are four possible banks of 16KB each. +*/ +#define PORTB_BANKSELECT1 0x00 +#define PORTB_BANKSELECT2 0x04 +#define PORTB_BANKSELECT3 0x08 +#define PORTB_BANKSELECT4 0x0C + +/* If set, the CPU and/or ANTIC chip will access bank-switched memory mapped to the +** address range $4000-$7FFF. +** If clear, the CPU and/or ANTIC will see normal memory in this region. +*/ +#define PORTB_BANKSWITCH_CPU 0x10 +#define PORTB_BANKSWITCH_ANTIC 0x20 + +/* If set, RAM is enabled for the address range $5000-$57FF. +** If clear, the self-test ROM (physically located at $D000-$D7FF, under the hardware registers) +** is remapped to this memory area. +*/ +#define PORTB_SELFTEST 0x80 + + +/*****************************************************************************/ +/* PACTL and PBCTL register bits */ +/*****************************************************************************/ + +/* (W) Peripheral PA1/PB1 interrupt (IRQ) ("peripheral proceed line available") enable. +** One equals enable. Set by the OS but available to the user; reset on powerup. +** (PxCTL_IRQ_STATUS (R) bit will get set upon interrupt occurance) +*/ +#define PxCTL_IRQ_ENABLE 0x01 /* bit 0 */ + +/* Note: Bit 1 is always set to */ + +/* (W) Controls PORTA/PORTB addressing +** 1 = PORTA/PORTB register; read/write to controller port +** 0 = direction control register; write to direction controls +** (allows setting data flow; write 0s & 1s to PORTA/PORTB bits +** to set which port's pins are read (input), or write (output), +** respectively) +*/ +#define PxCTL_ADDRESSING 0x04 /* bit 2 */ + +/* (W) Peripheral motor control line; Turn the cassette on or off +** (PACTL-specific register bit) +** 0 = on +** 1 = off +*/ +#define PACTL_MOTOR_CONTROL 0x08 /* bit 3 */ + +/* Peripheral command identification (serial bus command line) +** (PBCTL-specific register bit) +*/ +#define PBCTL_PERIPH_CMD_IDENT 0x08 /* bit 3 */ + +/* Note: Bits 4 & 5 are always set to 1 */ + +/* Note: Bit 6 is always set to 0 */ + +/* (R) Peripheral interrupt (IRQ) status bit. +** Set by Peripherals (PORTA / PORTB). Reset by reading from PORTA / PORTB. +** PACTL's is interrupt status of PROCEED +** PBCTL's is interrupt status of SIO +*/ +#define PxCTL_IRQ_STATUS 0x80 + + +/* The following #define will cause the matching function calls in conio.h +** to be overlaid by macros with the same names, saving the function call +** overhead. +*/ +#define _textcolor(color) 1 /* End of atari.h */ -#endif /* #ifndef _ATARI_H */ +#endif