/* | |
* $Id: vt11.h,v 1.8 2005/01/14 18:58:02 phil Exp $ | |
* interface to VT11 simulator | |
* Phil Budne <phil@ultimate.com> | |
* September 16, 2003 | |
* Substantially revised by Douglas A. Gwyn, 14 Jan. 2004 | |
* | |
* prerequisite: xy.h | |
*/ | |
/* | |
* Copyright (c) 2003-2004, Philip L. Budne and Douglas A. Gwyn | |
* | |
* Permission is hereby granted, free of charge, to any person obtaining a | |
* copy of this software and associated documentation files (the "Software"), | |
* to deal in the Software without restriction, including without limitation | |
* the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
* and/or sell copies of the Software, and to permit persons to whom the | |
* Software is furnished to do so, subject to the following conditions: | |
* | |
* The above copyright notice and this permission notice shall be included in | |
* all copies or substantial portions of the Software. | |
* | |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
* THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER | |
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
* | |
* Except as contained in this notice, the names of the authors shall | |
* not be used in advertising or otherwise to promote the sale, use or | |
* other dealings in this Software without prior written authorization | |
* from the authors. | |
*/ | |
#ifndef SIM_DEFS_H_ | |
typedef unsigned short uint16; | |
typedef long int32; | |
typedef unsigned long uint32; | |
#endif /* SIM_DEFS_H_ */ | |
/* | |
* VT11 jumpers control character spacing; VS60 always uses VT11 normal. | |
* The VT11_CSP_{W,H} #defines establish the initial default character | |
* spacing; to change the VT11 simulation from these default values, | |
* set vt11_csp_{w,h} before calling any function named vt11_*. | |
*/ | |
extern unsigned char vt11_csp_w; /* horizontal character spacing */ | |
#ifdef VT11_NARROW_OPT /* W3 or W6 installed */ | |
#define VT11_CSP_W 12 | |
#else /* VT11 normal; W4 or W5 installed */ | |
#define VT11_CSP_W 14 | |
#endif | |
extern unsigned char vt11_csp_h; /* vertical character spacing */ | |
#ifdef VT11_TALL_OPT /* W3 or W4 installed */ | |
#define VT11_CSP_H 26 | |
#else /* VT11 normal; W5 or W6 installed */ | |
#define VT11_CSP_H 24 | |
#endif | |
/* | |
* The DISPLAY_TYPE #define establishes the initial default display | |
* type; to change from the default display type, set vt11_display | |
* before calling any function named vt11_* (other than vt11_reset()). | |
*/ | |
#ifndef DISPLAY_TYPE | |
#define DISPLAY_TYPE DIS_VR17 /* default display type */ | |
#endif | |
extern enum display_type vt11_display; /* DIS_VR{14,17,48} */ | |
/* | |
* The PIX_SCALE #define establishes the initial default display scale | |
* factor; to change from the default scale factor, set vt11_scale | |
* before calling any function named vt11_* (other than vt11_reset()). | |
*/ | |
#ifndef PIX_SCALE | |
#define PIX_SCALE RES_HALF /* default display scale factor */ | |
#endif | |
extern int vt11_scale; /* RES_{FULL,HALF,QUARTER,EIGHTH} */ | |
/* | |
* When vt11_init (READONLY) is nonzero, it indicates that it is too late | |
* to change display parameters (type, scale, character spacing, etc.). | |
*/ | |
extern unsigned char vt11_init; /* set after display_init() called */ | |
/* vt11.c simulates either a VT11 or a VT48(VS60), according to display type: */ | |
#define VS60 (vt11_display == DIS_VR48) | |
#define VT11 (!VS60) | |
/* The display file is an array of 16-bit words. */ | |
typedef uint16 vt11word; | |
extern int32 vt11_get_dpc(void); /* read Display PC */ | |
extern int32 vt11_get_mpr(void); /* read mode parameter register */ | |
extern int32 vt11_get_xpr(void); /* read graphplot incr/X pos register */ | |
extern int32 vt11_get_ypr(void); /* read char code/Y pos register */ | |
extern int32 vt11_get_rr(void); /* read relocate register */ | |
extern int32 vt11_get_spr(void); /* read status parameter register */ | |
extern int32 vt11_get_xor(void); /* read X offset register */ | |
extern int32 vt11_get_yor(void); /* read Y offset register */ | |
extern int32 vt11_get_anr(void); /* read associative name register */ | |
extern int32 vt11_get_scr(void); /* read slave console/color register */ | |
extern int32 vt11_get_nr(void); /* read name register */ | |
extern int32 vt11_get_sdr(void); /* read stack data register */ | |
extern int32 vt11_get_str(void); /* read char string term register */ | |
extern int32 vt11_get_sar(void); /* read stack address/maint register */ | |
extern int32 vt11_get_zpr(void); /* read Z position register */ | |
extern int32 vt11_get_zor(void); /* read Z offset register */ | |
extern void vt11_set_dpc(uint16); /* write Display PC */ | |
extern void vt11_set_mpr(uint16); /* write mode parameter register */ | |
extern void vt11_set_xpr(uint16); /* write graphplot inc/X pos register */ | |
extern void vt11_set_ypr(uint16); /* write char code/Y pos register */ | |
extern void vt11_set_rr(uint16); /* write relocate register */ | |
extern void vt11_set_spr(uint16); /* write status parameter register */ | |
extern void vt11_set_xor(uint16); /* write X offset register */ | |
extern void vt11_set_yor(uint16); /* write Y offset register */ | |
extern void vt11_set_anr(uint16); /* write associative name register */ | |
extern void vt11_set_scr(uint16); /* write slave console/color register */ | |
extern void vt11_set_nr(uint16); /* write name register */ | |
extern void vt11_set_sdr(uint16); /* write stack data register */ | |
extern void vt11_set_str(uint16); /* write char string term register */ | |
extern void vt11_set_sar(uint16); /* write stack address/maint register */ | |
extern void vt11_set_zpr(uint16); /* write Z position register */ | |
extern void vt11_set_zor(uint16); /* write Z offset register */ | |
extern void vt11_reset(void); /* reset the display processor */ | |
extern int vt11_cycle(int,int); /* perform a display processor cycle */ | |
/* | |
* callbacks from VT11/VS60 simulator (to SIMH PDP-11 VT driver, for example) | |
*/ | |
extern int vt_fetch(uint32, vt11word *); /* get a display-file word */ | |
extern void vt_stop_intr(void); /* post a display-stop interrupt */ | |
extern void vt_lpen_intr(void); /* post a surface-related interrupt */ | |
extern void vt_char_intr(void); /* post a bad-char./timeout interrupt */ | |
extern void vt_name_intr(void); /* post a name-match interrupt */ |