c90fc3b5e6
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@689 42af7a65-404d-4744-a932-0658087f49c3
186 lines
5.6 KiB
C
186 lines
5.6 KiB
C
/****************************************************************************
|
|
* 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 */
|