/*
* $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 */