| Mark Pizzolato | 1e3586e | 2013-10-16 01:02:12 -0700 | [diff] [blame] | 1 | /*
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| 2 | * $Id: vt11.h,v 1.8 2005/01/14 18:58:02 phil Exp $
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| 3 | * interface to VT11 simulator
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| 4 | * Phil Budne <phil@ultimate.com>
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| 5 | * September 16, 2003
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| 6 | * Substantially revised by Douglas A. Gwyn, 14 Jan. 2004
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| 7 | *
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| Mark Pizzolato | 94a0629 | 2016-02-08 16:43:36 -0800 | [diff] [blame] | 8 | * prerequisite: display.h
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| Mark Pizzolato | 1e3586e | 2013-10-16 01:02:12 -0700 | [diff] [blame] | 9 | */
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| 10 |
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| 11 | /*
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| 12 | * Copyright (c) 2003-2004, Philip L. Budne and Douglas A. Gwyn
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| 13 | *
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| 14 | * Permission is hereby granted, free of charge, to any person obtaining a
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| 15 | * copy of this software and associated documentation files (the "Software"),
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| 16 | * to deal in the Software without restriction, including without limitation
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| 17 | * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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| 18 | * and/or sell copies of the Software, and to permit persons to whom the
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| 19 | * Software is furnished to do so, subject to the following conditions:
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| 20 | *
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| 21 | * The above copyright notice and this permission notice shall be included in
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| 22 | * all copies or substantial portions of the Software.
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| 23 | *
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| 24 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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| 25 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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| 26 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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| 27 | * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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| 28 | * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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| 29 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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| 30 | *
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| 31 | * Except as contained in this notice, the names of the authors shall
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| 32 | * not be used in advertising or otherwise to promote the sale, use or
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| 33 | * other dealings in this Software without prior written authorization
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| 34 | * from the authors.
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| 35 | */
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| 36 |
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| 37 | #ifndef SIM_DEFS_H_
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| 38 | typedef unsigned short uint16;
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| 39 | typedef long int32;
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| 40 | typedef unsigned long uint32;
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| 41 | #endif /* SIM_DEFS_H_ */
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| 42 |
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| 43 | /*
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| 44 | * VT11 jumpers control character spacing; VS60 always uses VT11 normal.
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| 45 | * The VT11_CSP_{W,H} #defines establish the initial default character
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| 46 | * spacing; to change the VT11 simulation from these default values,
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| 47 | * set vt11_csp_{w,h} before calling any function named vt11_*.
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| 48 | */
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| 49 | extern unsigned char vt11_csp_w; /* horizontal character spacing */
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| 50 | #ifdef VT11_NARROW_OPT /* W3 or W6 installed */
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| 51 | #define VT11_CSP_W 12
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| 52 | #else /* VT11 normal; W4 or W5 installed */
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| 53 | #define VT11_CSP_W 14
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| 54 | #endif
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| 55 | extern unsigned char vt11_csp_h; /* vertical character spacing */
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| 56 | #ifdef VT11_TALL_OPT /* W3 or W4 installed */
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| 57 | #define VT11_CSP_H 26
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| 58 | #else /* VT11 normal; W5 or W6 installed */
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| 59 | #define VT11_CSP_H 24
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| 60 | #endif
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| 61 |
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| 62 | /*
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| 63 | * The DISPLAY_TYPE #define establishes the initial default display
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| 64 | * type; to change from the default display type, set vt11_display
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| 65 | * before calling any function named vt11_* (other than vt11_reset()).
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| 66 | */
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| 67 | #ifndef DISPLAY_TYPE
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| 68 | #define DISPLAY_TYPE DIS_VR17 /* default display type */
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| 69 | #endif
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| 70 | extern enum display_type vt11_display; /* DIS_VR{14,17,48} */
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| 71 | /*
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| 72 | * The PIX_SCALE #define establishes the initial default display scale
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| 73 | * factor; to change from the default scale factor, set vt11_scale
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| 74 | * before calling any function named vt11_* (other than vt11_reset()).
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| 75 | */
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| 76 | #ifndef PIX_SCALE
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| 77 | #define PIX_SCALE RES_HALF /* default display scale factor */
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| 78 | #endif
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| 79 | extern int vt11_scale; /* RES_{FULL,HALF,QUARTER,EIGHTH} */
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| 80 | /*
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| 81 | * When vt11_init (READONLY) is nonzero, it indicates that it is too late
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| 82 | * to change display parameters (type, scale, character spacing, etc.).
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| 83 | */
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| 84 | extern unsigned char vt11_init; /* set after display_init() called */
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| 85 |
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| 86 | /* vt11.c simulates either a VT11 or a VT48(VS60), according to display type: */
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| 87 | #define VS60 (vt11_display == DIS_VR48)
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| 88 | #define VT11 (!VS60)
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| 89 |
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| 90 | /* The display file is an array of 16-bit words. */
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| 91 | typedef uint16 vt11word;
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| 92 |
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| 93 | extern int32 vt11_get_dpc(void); /* read Display PC */
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| 94 | extern int32 vt11_get_mpr(void); /* read mode parameter register */
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| 95 | extern int32 vt11_get_xpr(void); /* read graphplot incr/X pos register */
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| 96 | extern int32 vt11_get_ypr(void); /* read char code/Y pos register */
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| 97 | extern int32 vt11_get_rr(void); /* read relocate register */
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| 98 | extern int32 vt11_get_spr(void); /* read status parameter register */
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| 99 | extern int32 vt11_get_xor(void); /* read X offset register */
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| 100 | extern int32 vt11_get_yor(void); /* read Y offset register */
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| 101 | extern int32 vt11_get_anr(void); /* read associative name register */
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| 102 | extern int32 vt11_get_scr(void); /* read slave console/color register */
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| 103 | extern int32 vt11_get_nr(void); /* read name register */
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| 104 | extern int32 vt11_get_sdr(void); /* read stack data register */
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| 105 | extern int32 vt11_get_str(void); /* read char string term register */
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| 106 | extern int32 vt11_get_sar(void); /* read stack address/maint register */
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| 107 | extern int32 vt11_get_zpr(void); /* read Z position register */
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| 108 | extern int32 vt11_get_zor(void); /* read Z offset register */
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| 109 |
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| 110 | extern void vt11_set_dpc(uint16); /* write Display PC */
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| 111 | extern void vt11_set_mpr(uint16); /* write mode parameter register */
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| 112 | extern void vt11_set_xpr(uint16); /* write graphplot inc/X pos register */
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| 113 | extern void vt11_set_ypr(uint16); /* write char code/Y pos register */
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| 114 | extern void vt11_set_rr(uint16); /* write relocate register */
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| 115 | extern void vt11_set_spr(uint16); /* write status parameter register */
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| 116 | extern void vt11_set_xor(uint16); /* write X offset register */
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| 117 | extern void vt11_set_yor(uint16); /* write Y offset register */
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| 118 | extern void vt11_set_anr(uint16); /* write associative name register */
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| 119 | extern void vt11_set_scr(uint16); /* write slave console/color register */
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| 120 | extern void vt11_set_nr(uint16); /* write name register */
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| 121 | extern void vt11_set_sdr(uint16); /* write stack data register */
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| 122 | extern void vt11_set_str(uint16); /* write char string term register */
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| 123 | extern void vt11_set_sar(uint16); /* write stack address/maint register */
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| 124 | extern void vt11_set_zpr(uint16); /* write Z position register */
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| 125 | extern void vt11_set_zor(uint16); /* write Z offset register */
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| 126 |
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| Mark Pizzolato | b804964 | 2016-01-29 10:16:30 -0800 | [diff] [blame] | 127 | extern void vt11_reset(void *, int); /* reset the display processor */
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| 128 | extern int vt11_cycle(int, int); /* perform a display processor cycle */
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| Mark Pizzolato | 1e3586e | 2013-10-16 01:02:12 -0700 | [diff] [blame] | 129 |
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| 130 | /*
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| 131 | * callbacks from VT11/VS60 simulator (to SIMH PDP-11 VT driver, for example)
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| 132 | */
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| 133 | extern int vt_fetch(uint32, vt11word *); /* get a display-file word */
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| 134 | extern void vt_stop_intr(void); /* post a display-stop interrupt */
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| 135 | extern void vt_lpen_intr(void); /* post a surface-related interrupt */
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| 136 | extern void vt_char_intr(void); /* post a bad-char./timeout interrupt */
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| 137 | extern void vt_name_intr(void); /* post a name-match interrupt */
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