/*****************************************************************************/ /* */ /* atari.h */ /* */ /* Atari system specific definitions */ /* */ /* */ /* */ /* (C) 2000-2019 Mark Keates */ /* Freddy Offenga */ /* Christian Groessler */ /* Bill Kendrick */ /* */ /* */ /* This software is provided 'as-is', without any expressed or implied */ /* warranty. In no event will the authors be held liable for any damages */ /* arising from the use of this software. */ /* */ /* Permission is granted to anyone to use this software for any purpose, */ /* including commercial applications, and to alter it and redistribute it */ /* freely, subject to the following restrictions: */ /* */ /* 1. The origin of this software must not be misrepresented; you must not */ /* claim that you wrote the original software. If you use this software */ /* in a product, an acknowledgment in the product documentation would be */ /* appreciated but is not required. */ /* 2. Altered source versions must be plainly marked as such, and must not */ /* be misrepresented as being the original software. */ /* 3. This notice may not be removed or altered from any source */ /* distribution. */ /* */ /*****************************************************************************/ #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_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 #define CH_TAB 0x7F /* tabulator */ #define CH_EOL 0x9B /* end-of-line marker */ #define CH_CLR 0x7D /* clear screen */ #define CH_BEL 0xFD /* bell */ #define CH_DEL 0x7E /* back space (delete char to the left) */ #define CH_RUBOUT 0x7E /* back space (old, deprecated) */ #define CH_DELLINE 0x9C /* delete line */ #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_HLINE 0x12 #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 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) */ /*****************************************************************************/ /* masks */ #define AT_OS_TYPE_MAIN 7 #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 /* AS_OS_TYPE_MINOR values */ /* 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_2 2 #define AT_OS_XLXE_3 3 #define AT_OS_XLXE_4 4 /*****************************************************************************/ /* get_tv return values */ /*****************************************************************************/ #define AT_NTSC 0 #define AT_PAL 1 /*****************************************************************************/ /* 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) #include <_pbi.h> #include <_pokey.h> #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) /*****************************************************************************/ /* 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 /* End of atari.h */ #endif