/**************************************************************************** * board/trs80-m3.h * *   Copyright (C) 2008 Jacques Pelletier. All rights reserved. *   Author: Jacques Pelletier * * This file is a part of NuttX and hence * *   Copyright (C) 2008 Gregory Nutt. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright *    notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright *    notice, this list of conditions and the following disclaimer in *    the documentation and/or other materials provided with the *    distribution. * 3. Neither the name NuttX nor the names of its contributors may be *    used to endorse or promote products derived from this software *    without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * ****************************************************************************//* Information from http://www.trs-80.com */#ifndef __TRS80_M3_H#define __TRS80_M3_H/* Outputs a byte to a logical device or FCB. DE = FCB and A = byte. * Don't confuse with CTL at 0023. */#define _TRS80_M3_PUT 		0x001B/* Outputs a control byte to a logical device or FCB. DE = FCB and A = control byte. */#define _TRS80_M3_CTL		0x0023/* Scan keyboard and return with accumulator containing result. DE is used. */#define _TRS80_M3_KBDSCN	0x002B/* Displays a character at current cursor location. */#define _TRS80_M3_VDCHAR	0x0033/* "Waits until printer is ready then prints character. A = ASCII character. * If BREAK is pressed, a return to caller is made." */#define _TRS80_M3_PRCHAR	0x003B/* Call Input a line from the keyboard. B = max length of line. HL points at buffer. * Buffer should be the length of B plus 1. To terminate, hit BREAK or ENTER.  * On exit, HL points at buffer and B = number of characters entered.  * Carry will be set if BREAK was pressed. */#define _TRS80_M3_KBLINE	0x0040/* "Scans the keyboard until a key is pressed. If BREAK is pressed, it is returned * like other keys." */#define _TRS80_M3_KBWAIT	0x0049/* "Receive a character from RS-232. No entry conditions. On exit, memory location * 16872 contains character received. DE is altered. This routine honors wait status." */#define _TRS80_M3_RSRCV		0x0050/* "Transmit character to RS-232. On entry, Accumulator or memory location 16880  * contains character. On exit, 16880 = 0 if no character sent. Wait status honored." */#define _TRS80_M3_RSTX		0x0055/* Initialize RS-232 interface. On entry, memory location 16888 = send/receive baud  * rate code, location 16890 = wait/don't wait switch, location 16889 = RS-232 * characteristics switch. On exit, DE is altered. For more detail, consult Model 3 * reference manual. */#define _TRS80_M3_RSINIT	0x005A/* This is the routine that is Basic's SET, RESET, and POINT functions. Here's how  * to use it. Load HL with return address and push. Load register A with one of the  * following: 00H = POINT, 01H = RESET, and 80H = SET. Push AF onto stack. Load A with  * X coordinate and push onto stack. Load A with Y coordinate and JP GRAPH. */#define _TRS80_M3_GRAPH		0x0150	/* Clear screen. */#define _TRS80_M3_CLS		0x01C9/* Randomize. */#define _TRS80_M3_RANDOM	0x01D3/* This routine turns off the cassette drive. */#define _TRS80_M3_CSOFF		0x01F8#ifdef TRS80_MODEL1/* A register contains a 0 or 1 which is the cassette number. This routine defines  * cassette number and turns on cassette. Model I only. */#define _TRS80_M3_DEFCAS	0x0212#endif /* TRS80_MODEL1 *//* Inputs data one byte at a time from cassette after you use CSHIN. A = the data * byte. */#define _TRS80_M3_CSIN		0x0235/* Outputs data one byte at a time to cassette after you use CSHWR. A = the  * output byte. */#define _TRS80_M3_CSOUT		0x0264/* Turns on the cassette and writes the header. */#define _TRS80_M3_CSHWR		0x0287/* Finds the cassette header info at the beggining of cassette file. */#define _TRS80_M3_CSHIN		0x0296/* Ouput character in register A; OUTSEL (409CH) selects device. See OUTSEL for * device values. */#define _TRS80_M3_OUTCHR	0x032A/* Displays character in A on screen at next print position. Uses AF. */#define _TRS80_M3_DISPA		0x033A/* Calls keyboard scan routine. */#define _TRS80_M3_keyb_scan	0x0358/* Reads keyboard into buffer until a carriage return is entered. 40A7H contains * the address of the buffer. */#define _TRS80_M3_KIBUFF	0x0361/* Same as KBLINE. See 0040. */#define _TRS80_M3_KLINE		0x05D9/* "Get date in ASCII format. Mod III TRSDOS, LDOS, & MULTIDOS." */#define _TRS80_M3_GETDAT 	0x3033/* "Get time in ASCII format. Mod III TRSDOS, LDOS, & MULTIDOS." */ #define _TRS80_M3_GETTIM	0x3036#endif /* __TRS80_M3_H */