[simh.git] / AltairZ80 / i8272.h

/*************************************************************************\r
 *                                                                       *\r
 * $Id: i8272.h 1759 2008-01-05 04:36:46Z hharte $                 *\r
 *                                                                       *\r
 * Copyright (c) 2007-2008 Howard M. Harte.                              *\r
 * http://www.hartetec.com                                               *\r
 *                                                                       *\r
 * Permission is hereby granted, free of charge, to any person obtaining *\r
 * a copy of this software and associated documentation files (the       *\r
 * "Software"), to deal in the Software without restriction, including   *\r
 * without limitation the rights to use, copy, modify, merge, publish,   *\r
 * distribute, sublicense, and/or sell copies of the Software, and to    *\r
 * permit persons to whom the Software is furnished to do so, subject to *\r
 * the following conditions:                                             *\r
 *                                                                       *\r
 * The above copyright notice and this permission notice shall be        *\r
 * included in all copies or substantial portions of the Software.       *\r
 *                                                                       *\r
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       *\r
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    *\r
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND                 *\r
 * NONINFRINGEMENT. IN NO EVENT SHALL HOWARD M. HARTE BE LIABLE FOR ANY  *\r
 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  *\r
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     *\r
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                *\r
 *                                                                       *\r
 * Except as contained in this notice, the name of Howard M. Harte shall *\r
 * not be used in advertising or otherwise to promote the sale, use or   *\r
 * other dealings in this Software without prior written authorization   *\r
 * Howard M. Harte.                                                      *\r
 *                                                                       *\r
 * SIMH Interface based on altairz80_hdsk.c, by Peter Schorn.            *\r
 *                                                                       *\r
 * Module Description:                                                   *\r
 *     Generic Intel 8272 Disk Controller module for SIMH.               *\r
 *                                                                       *\r
 * Environment:                                                          *\r
 *     User mode only                                                    *\r
 *                                                                       *\r
 *************************************************************************/\r
\r
extern t_stat i8272_attach(UNIT *uptr, char *cptr);\r
extern t_stat i8272_detach(UNIT *uptr);\r
extern uint8 I8272_Set_DMA(const uint32 dma_addr);\r
extern uint8 I8272_Read(const uint32 Addr);\r
extern uint8 I8272_Write(const uint32 Addr, uint8 cData);\r
\r
#define I8272_FDC_MSR       0   /* R=FDC Main Status Register, W=Drive Select Register */\r
#define I8272_FDC_DATA      1   /* R/W FDC Data Register */\r
Commit	Line	Data
	1	/*************************************************************************\r
	2	* *\r
	3	* $Id: i8272.h 1759 2008-01-05 04:36:46Z hharte $ *\r
	4	* *\r
	5	* Copyright (c) 2007-2008 Howard M. Harte. *\r
	6	* http://www.hartetec.com *\r
	7	* *\r
	8	* Permission is hereby granted, free of charge, to any person obtaining *\r
	9	* a copy of this software and associated documentation files (the *\r
	10	* "Software"), to deal in the Software without restriction, including *\r
	11	* without limitation the rights to use, copy, modify, merge, publish, *\r
	12	* distribute, sublicense, and/or sell copies of the Software, and to *\r
	13	* permit persons to whom the Software is furnished to do so, subject to *\r
	14	* the following conditions: *\r
	15	* *\r
	16	* The above copyright notice and this permission notice shall be *\r
	17	* included in all copies or substantial portions of the Software. *\r
	18	* *\r
	19	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, *\r
	20	* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *\r
	21	* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND *\r
	22	* NONINFRINGEMENT. IN NO EVENT SHALL HOWARD M. HARTE BE LIABLE FOR ANY *\r
	23	* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, *\r
	24	* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE *\r
	25	* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *\r
	26	* *\r
	27	* Except as contained in this notice, the name of Howard M. Harte shall *\r
	28	* not be used in advertising or otherwise to promote the sale, use or *\r
	29	* other dealings in this Software without prior written authorization *\r
	30	* Howard M. Harte. *\r
	31	* *\r
	32	* SIMH Interface based on altairz80_hdsk.c, by Peter Schorn. *\r
	33	* *\r
	34	* Module Description: *\r
	35	* Generic Intel 8272 Disk Controller module for SIMH. *\r
	36	* *\r
	37	* Environment: *\r
	38	* User mode only *\r
	39	* *\r
	40	*************************************************************************/\r
	41	\r
	42	extern t_stat i8272_attach(UNIT uptr, char cptr);\r
	43	extern t_stat i8272_detach(UNIT *uptr);\r
	44	extern uint8 I8272_Set_DMA(const uint32 dma_addr);\r
	45	extern uint8 I8272_Read(const uint32 Addr);\r
	46	extern uint8 I8272_Write(const uint32 Addr, uint8 cData);\r
	47	\r
	48	#define I8272_FDC_MSR 0 /* R=FDC Main Status Register, W=Drive Select Register */\r
	49	#define I8272_FDC_DATA 1 /* R/W FDC Data Register */\r