| | 1 | /*************************************************************************\r |
| | 2 | * *\r |
| | 3 | * $Id: wd179x.h 1907 2008-05-21 07:04:17Z 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 wd179x_attach(UNIT *uptr, char *cptr);\r |
| | 43 | extern t_stat wd179x_detach(UNIT *uptr);\r |
| | 44 | extern uint8 WD179X_Set_DMA(const uint32 dma_addr);\r |
| | 45 | extern uint8 WD179X_Read(const uint32 Addr);\r |
| | 46 | extern uint8 WD179X_Write(const uint32 Addr, uint8 cData);\r |
| | 47 | \r |
| | 48 | extern void wd179x_external_restore(void);\r |
| | 49 | \r |
| | 50 | #define WD179X_FDC_MSR 0 /* R=FDC Main Status Register, W=Drive Select Register */\r |
| | 51 | #define WD179X_FDC_DATA 1 /* R/W FDC Data Register */\r |
| | 52 | \r |
| | 53 | #define WD179X_STATUS 0\r |
| | 54 | #define WD179X_TRACK 1\r |
| | 55 | #define WD179X_SECTOR 2\r |
| | 56 | #define WD179X_DATA 3\r |
| | 57 | \r |
| | 58 | typedef struct {\r |
| | 59 | PNP_INFO pnp; /* Plug-n-Play Information */\r |
| | 60 | uint8 intrq; /* WD179X Interrupt Request Output (EOJ) */\r |
| | 61 | uint8 hld; /* WD179X Head Load Output */\r |
| | 62 | uint8 drq; /* WD179X DMA Request Output */\r |
| | 63 | uint8 ddens; /* WD179X Double-Density Input */\r |
| | 64 | uint8 fdc_head; /* H Head Number */\r |
| | 65 | uint8 sel_drive; /* Currently selected drive */\r |
| | 66 | uint8 drivetype; /* 8 or 5 depending on disk type. */\r |
| | 67 | } WD179X_INFO_PUB;\r |
projects / simh.git / blame_incremental