b804964514
Both VT11 and VS60 properly autoconfigure on the PDP11. PDP11 now runs Lunar Lander on all SDL supported platforms. Reworked refresh logic to not require internal delays in the display library
137 lines
6.7 KiB
C
137 lines
6.7 KiB
C
/*
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* $Id: vt11.h,v 1.8 2005/01/14 18:58:02 phil Exp $
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* interface to VT11 simulator
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* Phil Budne <phil@ultimate.com>
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* September 16, 2003
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* Substantially revised by Douglas A. Gwyn, 14 Jan. 2004
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*
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* prerequisite: xy.h
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*/
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/*
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* Copyright (c) 2003-2004, Philip L. Budne and Douglas A. Gwyn
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* Except as contained in this notice, the names of the authors shall
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* not be used in advertising or otherwise to promote the sale, use or
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* other dealings in this Software without prior written authorization
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* from the authors.
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*/
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#ifndef SIM_DEFS_H_
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typedef unsigned short uint16;
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typedef long int32;
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typedef unsigned long uint32;
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#endif /* SIM_DEFS_H_ */
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/*
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* VT11 jumpers control character spacing; VS60 always uses VT11 normal.
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* The VT11_CSP_{W,H} #defines establish the initial default character
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* spacing; to change the VT11 simulation from these default values,
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* set vt11_csp_{w,h} before calling any function named vt11_*.
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*/
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extern unsigned char vt11_csp_w; /* horizontal character spacing */
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#ifdef VT11_NARROW_OPT /* W3 or W6 installed */
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#define VT11_CSP_W 12
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#else /* VT11 normal; W4 or W5 installed */
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#define VT11_CSP_W 14
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#endif
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extern unsigned char vt11_csp_h; /* vertical character spacing */
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#ifdef VT11_TALL_OPT /* W3 or W4 installed */
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#define VT11_CSP_H 26
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#else /* VT11 normal; W5 or W6 installed */
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#define VT11_CSP_H 24
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#endif
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/*
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* The DISPLAY_TYPE #define establishes the initial default display
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* type; to change from the default display type, set vt11_display
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* before calling any function named vt11_* (other than vt11_reset()).
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*/
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#ifndef DISPLAY_TYPE
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#define DISPLAY_TYPE DIS_VR17 /* default display type */
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#endif
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extern enum display_type vt11_display; /* DIS_VR{14,17,48} */
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/*
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* The PIX_SCALE #define establishes the initial default display scale
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* factor; to change from the default scale factor, set vt11_scale
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* before calling any function named vt11_* (other than vt11_reset()).
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*/
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#ifndef PIX_SCALE
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#define PIX_SCALE RES_HALF /* default display scale factor */
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#endif
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extern int vt11_scale; /* RES_{FULL,HALF,QUARTER,EIGHTH} */
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/*
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* When vt11_init (READONLY) is nonzero, it indicates that it is too late
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* to change display parameters (type, scale, character spacing, etc.).
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*/
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extern unsigned char vt11_init; /* set after display_init() called */
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/* vt11.c simulates either a VT11 or a VT48(VS60), according to display type: */
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#define VS60 (vt11_display == DIS_VR48)
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#define VT11 (!VS60)
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/* The display file is an array of 16-bit words. */
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typedef uint16 vt11word;
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extern int32 vt11_get_dpc(void); /* read Display PC */
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extern int32 vt11_get_mpr(void); /* read mode parameter register */
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extern int32 vt11_get_xpr(void); /* read graphplot incr/X pos register */
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extern int32 vt11_get_ypr(void); /* read char code/Y pos register */
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extern int32 vt11_get_rr(void); /* read relocate register */
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extern int32 vt11_get_spr(void); /* read status parameter register */
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extern int32 vt11_get_xor(void); /* read X offset register */
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extern int32 vt11_get_yor(void); /* read Y offset register */
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extern int32 vt11_get_anr(void); /* read associative name register */
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extern int32 vt11_get_scr(void); /* read slave console/color register */
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extern int32 vt11_get_nr(void); /* read name register */
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extern int32 vt11_get_sdr(void); /* read stack data register */
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extern int32 vt11_get_str(void); /* read char string term register */
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extern int32 vt11_get_sar(void); /* read stack address/maint register */
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extern int32 vt11_get_zpr(void); /* read Z position register */
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extern int32 vt11_get_zor(void); /* read Z offset register */
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extern void vt11_set_dpc(uint16); /* write Display PC */
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extern void vt11_set_mpr(uint16); /* write mode parameter register */
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extern void vt11_set_xpr(uint16); /* write graphplot inc/X pos register */
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extern void vt11_set_ypr(uint16); /* write char code/Y pos register */
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extern void vt11_set_rr(uint16); /* write relocate register */
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extern void vt11_set_spr(uint16); /* write status parameter register */
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extern void vt11_set_xor(uint16); /* write X offset register */
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extern void vt11_set_yor(uint16); /* write Y offset register */
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extern void vt11_set_anr(uint16); /* write associative name register */
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extern void vt11_set_scr(uint16); /* write slave console/color register */
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extern void vt11_set_nr(uint16); /* write name register */
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extern void vt11_set_sdr(uint16); /* write stack data register */
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extern void vt11_set_str(uint16); /* write char string term register */
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extern void vt11_set_sar(uint16); /* write stack address/maint register */
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extern void vt11_set_zpr(uint16); /* write Z position register */
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extern void vt11_set_zor(uint16); /* write Z offset register */
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extern void vt11_reset(void *, int); /* reset the display processor */
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extern int vt11_cycle(int, int); /* perform a display processor cycle */
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/*
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* callbacks from VT11/VS60 simulator (to SIMH PDP-11 VT driver, for example)
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*/
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extern int vt_fetch(uint32, vt11word *); /* get a display-file word */
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extern void vt_stop_intr(void); /* post a display-stop interrupt */
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extern void vt_lpen_intr(void); /* post a surface-related interrupt */
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extern void vt_char_intr(void); /* post a bad-char./timeout interrupt */
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extern void vt_name_intr(void); /* post a name-match interrupt */
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