From 69d1994f373207da231b4eb571cc1eab0aab6083 Mon Sep 17 00:00:00 2001 From: patacongo Date: Fri, 15 Feb 2008 22:10:33 +0000 Subject: Add support for the TRS-80 Model 3 via xtrs git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@689 42af7a65-404d-4744-a932-0658087f49c3 --- nuttx/configs/xtrs/include/trs80-m3.h | 185 ++++++++++++++++++++++++++++++++++ 1 file changed, 185 insertions(+) create mode 100644 nuttx/configs/xtrs/include/trs80-m3.h (limited to 'nuttx/configs/xtrs/include/trs80-m3.h') diff --git a/nuttx/configs/xtrs/include/trs80-m3.h b/nuttx/configs/xtrs/include/trs80-m3.h new file mode 100644 index 000000000..4a2a45332 --- /dev/null +++ b/nuttx/configs/xtrs/include/trs80-m3.h @@ -0,0 +1,185 @@ +/**************************************************************************** + * 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 */ -- cgit v1.2.3