723 lines
15 KiB
C
723 lines
15 KiB
C
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// "Build Engine & Tools" Copyright (c) 1993-1997 Ken Silverman
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// Ken Silverman's official web site: "http://www.advsys.net/ken"
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// See the included license file "BUILDLIC.TXT" for license info.
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#include <dos.h>
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#include <stdio.h>
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#include <conio.h>
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#include <io.h>
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#include <fcntl.h>
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#include <sys\types.h>
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#include <sys\stat.h>
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#define NUMOPTIONS 8
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#define NUMKEYS 19
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#define NUMENUS 14
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static int menuoffs[NUMENUS], menuleng[NUMENUS] = {8,9,4,11,13,15,8,7,2,3,14,6,14,19};
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#define MAINMENU 0
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#define GRAPHMENU 1
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#define CHAINXDIMMENU 2
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#define CHAINYDIMMENU 3
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#define VESA2MENU 4
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#define DIGIMENU 5
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#define DIGIOPTIONMENU 6
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#define DIGIHZMENU 7
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#define MUSICMENU 8
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#define INPUTMENU 9
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#define COMMENU 10
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#define COMSPEEDMENU 11
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#define COMIRQMENU 12
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#define KEYMENU 13
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static unsigned char screeninfo[4000];
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static unsigned char *strtable[135] =
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{
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"Graphics Mode",
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"Digitized Sound",
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"Music",
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"Input Devices",
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"Communications",
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"<EFBFBD>",
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"Ignore Changes and Quit",
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"Save Changes and Quit",
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"Chain mode (Mode X) <20> VGA compatible <20> 256*200 to 400*540",
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"VESA mode <20> VESA 1.2 / 2.0 <20> 320*200 to 1600*1200",
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"Screen-Buffer mode <20> VGA compatible <20> 320*200 only",
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"<EFBFBD>",
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"Specially-optimized TSENG ET4000 mode 320*200 only",
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"Specially-optimized Paradise WD90Cxx mode 320*200 only",
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"Specially-optimized S3 chipset mode 320*200 only",
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"<EFBFBD>",
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"Red-Blue Stereo vision (VGA compatible) 320*200 only",
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"256 * X",
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"320 * X",
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"360 * X",
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"400 * X",
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"X * 200",
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"X * 240",
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"X * 256",
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"X * 270",
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"X * 300",
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"X * 350",
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"X * 360",
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"X * 400",
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"X * 480",
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"X * 512",
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"X * 540",
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" 320 * 200",
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" 360 * 200",
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" 320 * 240",
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" 360 * 240",
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" 320 * 400",
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" 360 * 400",
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" 640 * 350",
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" 640 * 400",
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" 640 * 480",
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" 800 * 600",
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"1024 * 768",
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"1280 * 1024",
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"1600 * 1200",
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"No digitized sound",
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"<EFBFBD>",
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"Sound Blaster",
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"Pro Audio Spectrum",
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"Sound Man 16",
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"Adlib",
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"General Midi",
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"Sound Canvas",
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"Sound Blaster AWE32",
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"Wave Blaster",
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"Sound Scape",
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"Gravis Ultrasound",
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"Sound Source",
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"Tandy Sound source",
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"PC speaker",
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" Mono, 8, lo",
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" Mono, 8, HI",
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" Mono, 16, lo",
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" Mono, 16, HI",
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"Stereo, 8, lo",
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"Stereo, 8, HI",
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"Stereo, 16, lo",
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"Stereo, 16, HI",
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" 6000hz ",
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" 8000hz ",
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" 11025hz ",
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" 16000hz ",
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" 22050hz ",
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" 32000hz ",
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" 44100hz ",
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"Music OFF",
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"Music ON",
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"Keyboard only",
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"Keyboard & Mouse",
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"Keyboard & Spaceplayer",
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"None",
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"<EFBFBD>",
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"COM1",
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"COM2",
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"COM3",
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"COM4",
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"<EFBFBD>",
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"IPX network - 2 Players",
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"IPX network - 3 Players",
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"IPX network - 4 Players",
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"IPX network - 5 Players",
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"IPX network - 6 Players",
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"IPX network - 7 Players",
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"IPX network - 8 Players",
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"2400 bps",
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"4800 bps",
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"9600 bps",
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"14400 bps",
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"19200 bps",
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"28800 bps",
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"IRQ2",
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"IRQ3",
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"IRQ4",
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"IRQ5",
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"IRQ6",
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"IRQ7",
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"IRQ8",
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"IRQ9",
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"IRQ10",
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"IRQ11",
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"IRQ12",
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"IRQ13",
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"IRQ14",
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"IRQ15",
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"Move FORWARD ",
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"Move BACKWARD ",
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"Turn LEFT ",
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"Turn RIGHT ",
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"RUN ",
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"STRAFE (walk sideways) ",
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"SHOOT! ",
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"OPEN / CLOSE / USE ",
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"Stand HIGH ",
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"Stand LOW ",
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"Look Up ",
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"Look Down ",
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"Strafe Left ",
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"Strafe Right ",
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"2D/3D flip ",
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"Player view flip ",
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"2D Zoom in ",
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"2D Zoom out ",
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"Message typing ",
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};
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static unsigned char *keytable[] =
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{
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"-","ESC","1","2","3","4","5","6","7","8","9","0","-","=","BACKSPC","TAB",
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"Q","W","E","R","T","Y","U","I","O","P","[","]","ENTER","L-CTRL","A","S",
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"D","F","G","H","J","K","L",";","'","`","L-SHIFT","|","Z","X","C","V",
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"B","N","M",",",".","/","R-SHIFT","KP *","L-ALT","SPACEBAR","CAPSLOCK","F1","F2","F3","F4","F5",
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"F6","F7","F8","F9","F10","NUMLOCK","SCROLL","KP 7","KP 8","KP 9","KP -","KP 4","KP 5","KP 6","KP +","KP 1",
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"KP 2","KP 3","KP 0","KP .","-","-","-","F11","F12","-","-","-","-","-","-","-",
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"-","-","-","-","-","-","-","-","-","-","-","-","-","-","-","-",
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"-","-","-","-","-","-","-","-","-","-","-","-","-","-","-","-",
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"-","-","-","-","-","-","-","-","-","-","-","-","-","-","-","-",
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"-","-","-","-","-","-","-","-","-","-","-","-","KP ENTER","R-CTRL","-","-",
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"-","-","-","-","-","-","-","-","-","-","-","-","-","-","-","-",
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"-","-","-","-","-","KP /","-","-","R-ALT","-","-","-","-","-","-","-",
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"-","-","-","-","-","-","-","HOME","UP","PAGEUP","-","LEFT","-","RIGHT","-","END",
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"DOWN","PAGEDOWN","INSERT","DELETE","-","-","-","-","-","-","-","-","-","-","-","-",
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"-","-","-","-","-","-","-","-","-","-","-","-","-","-","-","-",
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"-","-","-","-","-","-","-","-","-","-","-","-","-","-","-","-"
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};
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static unsigned char defaultkey[NUMKEYS] =
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{
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0xc8,0xd0,0xcb,0xcd,0x2a,0x9d,0x1d,0x39,
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0x1e,0x2c,0xd1,0xc9,0x33,0x34,
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0x9c,0x1c,0xd,0xc,0xf,
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};
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volatile unsigned char readch, oldreadch, extended, keystatus[256];
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static unsigned char option[NUMOPTIONS], keys[NUMKEYS];
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void (_interrupt _far *oldkeyhandler)();
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void _interrupt _far keyhandler(void);
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#if defined(__386__)
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#pragma aux printchrasm =\
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"add edi, 0xb8000"\
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"rep stosw"\
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parm [edi][ecx][eax]\
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#pragma aux savescreen =\
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"mov esi, 0xb8000"\
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"mov edi, offset screeninfo"\
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"mov ecx, 1000"\
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"rep movsd"\
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modify [ecx esi edi]\
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#pragma aux restorescreen =\
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"mov esi, offset screeninfo"\
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"mov edi, 0xb8000"\
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"mov ecx, 1000"\
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"rep movsd"\
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modify [ecx esi edi]\
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#else
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void printchrasm (int rdi, int rcx, int rax)
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{
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_asm
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{
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cld
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mov di, 0b800h
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mov es, di
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mov di, rdi
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mov cx, rcx
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mov ax, rax
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rep stosw
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}
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}
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void savescreen ()
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{
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_asm
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{
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cld
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mov di, offset screeninfo
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mov cx, 2000
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mov si, seg screeninfo
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mov es, si
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push ds
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mov si, 0b800h
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mov ds, si
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xor si, si
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rep movsw
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pop ds
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}
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}
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void restorescreen ()
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{
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_asm
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{
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cld
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mov si, offset screeninfo
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mov cx, 2000
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mov di, 0b800h
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mov es, di
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xor di, di
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rep movsw
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}
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}
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#endif
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void _interrupt _far keyhandler()
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{
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oldreadch = readch;
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_asm
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{
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in al, 60h
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mov readch, al
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in al, 61h
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or al, 80h
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out 61h, al
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and al, 7fh
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out 61h, al
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}
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if ((readch|1) == 0xe1)
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extended = 128;
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else
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{
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if (oldreadch != readch)
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{
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if ((readch&128) == 0)
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{
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if (keystatus[(readch&127)+extended] == 0)
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keystatus[(readch&127)+extended] = 1;
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}
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else
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keystatus[(readch&127)+extended] = 0;
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}
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extended = 0;
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}
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_asm
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{
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mov al, 20h
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out 20h, al
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}
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}
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main()
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{
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int i, j;
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unsigned char ch, col;
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loadsetup();
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drawscreen();
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savescreen();
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j = 0;
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for(i=0;i<NUMENUS;i++)
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{
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menuoffs[i] = j;
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j += menuleng[i];
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}
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i = 0;
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while ((i >= 0) && (i <= 4))
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{
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restorescreen();
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i = menu("Main Menu",MAINMENU,i);
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restorescreen();
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switch(i)
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{
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case 0:
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if ((j = menu("Graphics Mode Selection",GRAPHMENU,option[0])) >= 0)
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{
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option[0] = j;
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if (option[0] == 0)
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{
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restorescreen();
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if ((j = menu("Select X dimension",CHAINXDIMMENU,option[6]&15)) >= 0)
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option[6] = ((option[6]&0xf0)|(j&0x0f));
|
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restorescreen();
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if ((j = menu("Select Y dimension",CHAINYDIMMENU,(option[6]>>4)&15)) >= 0)
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option[6] = ((option[6]&0x0f)|((j<<4)&0xf0));
|
|||
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}
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else if (option[0] == 1)
|
|||
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{
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|||
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restorescreen();
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|||
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if ((j = menu("Select VESA2 mode",VESA2MENU,option[6]&15)) >= 0)
|
|||
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option[6] = ((option[6]&0xf0)|(j&0x0f));
|
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|
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}
|
|||
|
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}
|
|||
|
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break;
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case 1:
|
|||
|
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if ((j = menu("Digitized Sound Selection",DIGIMENU,option[1])) >= 0)
|
|||
|
|
{
|
|||
|
|
option[1] = j;
|
|||
|
|
if (option[1] != 0)
|
|||
|
|
{
|
|||
|
|
restorescreen();
|
|||
|
|
if ((j = menu("Select sound options",DIGIOPTIONMENU,option[7]&15)) >= 0)
|
|||
|
|
option[7] = ((option[7]&0xf0)|(j&0x0f));
|
|||
|
|
|
|||
|
|
restorescreen();
|
|||
|
|
if ((j = menu("Select playback rate",DIGIHZMENU,(option[7]>>4)&15)) >= 0)
|
|||
|
|
option[7] = ((option[7]&0x0f)|((j<<4)&0xf0));
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
break;
|
|||
|
|
case 2:
|
|||
|
|
if ((j = menu("Music Selection",MUSICMENU,option[2])) >= 0)
|
|||
|
|
option[2] = j;
|
|||
|
|
break;
|
|||
|
|
case 3:
|
|||
|
|
if ((j = menu("Input Device Selection",INPUTMENU,option[3])) >= 0)
|
|||
|
|
{
|
|||
|
|
option[3] = j;
|
|||
|
|
definekeys();
|
|||
|
|
}
|
|||
|
|
break;
|
|||
|
|
case 4:
|
|||
|
|
if ((j = menu("Communications Selection",COMMENU,option[4])) >= 0)
|
|||
|
|
{
|
|||
|
|
option[4] = j;
|
|||
|
|
|
|||
|
|
if ((j >= 1) && (j <= 4))
|
|||
|
|
{
|
|||
|
|
restorescreen();
|
|||
|
|
if ((j = menu("COM Speed Selection",COMSPEEDMENU,option[5]&15)) >= 0)
|
|||
|
|
option[5] = ((option[5]&0xf0)|(j&0x0f));
|
|||
|
|
|
|||
|
|
restorescreen();
|
|||
|
|
if ((j = menu("COM IRQ Selection",COMIRQMENU,(option[5]>>4)&15)) >= 0)
|
|||
|
|
option[5] = ((option[5]&0x0f)|((j<<4)&0xf0));
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
break;
|
|||
|
|
case 6:
|
|||
|
|
savesetup();
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
_asm
|
|||
|
|
{
|
|||
|
|
mov ax, 3
|
|||
|
|
int 10h
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
loadsetup()
|
|||
|
|
{
|
|||
|
|
int fil, i, j;
|
|||
|
|
|
|||
|
|
if ((fil = open("setup.dat",O_BINARY|O_RDONLY,S_IREAD)) == -1)
|
|||
|
|
{
|
|||
|
|
for(i=0;i<NUMOPTIONS;i++) option[i] = 0;
|
|||
|
|
for(i=0;i<NUMKEYS;i++) keys[i] = 0;
|
|||
|
|
}
|
|||
|
|
read(fil,&option[0],NUMOPTIONS);
|
|||
|
|
read(fil,&keys[0],NUMKEYS);
|
|||
|
|
|
|||
|
|
if (keys[0] == 0)
|
|||
|
|
for(i=0;i<NUMKEYS;i++)
|
|||
|
|
keys[i] = defaultkey[i];
|
|||
|
|
|
|||
|
|
close(fil);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
savesetup()
|
|||
|
|
{
|
|||
|
|
int fil, i, j;
|
|||
|
|
|
|||
|
|
if ((fil = open("setup.dat",O_BINARY|O_TRUNC|O_CREAT|O_WRONLY,S_IWRITE)) == -1)
|
|||
|
|
{
|
|||
|
|
printf("Cannot save options");
|
|||
|
|
exit(0);
|
|||
|
|
}
|
|||
|
|
write(fil,&option[0],NUMOPTIONS);
|
|||
|
|
write(fil,&keys[0],NUMKEYS);
|
|||
|
|
close(fil);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
printchr(int x, int y, unsigned char character, unsigned char attribute, int len)
|
|||
|
|
{
|
|||
|
|
int pos;
|
|||
|
|
|
|||
|
|
pos = (y*80+x)<<1;
|
|||
|
|
printchrasm((int)pos,(int)len,((int)attribute<<8)+(int)character);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
printstr(int x, int y, unsigned char string[81], unsigned char attribute)
|
|||
|
|
{
|
|||
|
|
unsigned char character;
|
|||
|
|
int i, pos;
|
|||
|
|
|
|||
|
|
pos = (y*80+x)<<1;
|
|||
|
|
i = 0;
|
|||
|
|
while (string[i] != 0)
|
|||
|
|
{
|
|||
|
|
character = string[i];
|
|||
|
|
printchrasm((int)pos,1,((int)attribute<<8)+(int)character);
|
|||
|
|
i++;
|
|||
|
|
pos+=2;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
drawscreen()
|
|||
|
|
{
|
|||
|
|
int i;
|
|||
|
|
|
|||
|
|
_asm
|
|||
|
|
{
|
|||
|
|
mov ax, 3
|
|||
|
|
int 10h
|
|||
|
|
}
|
|||
|
|
outp(0x3d4,0x0e); outp(0x3d5,255);
|
|||
|
|
printchr(0,0,(unsigned char)218,(unsigned char)78,1);
|
|||
|
|
printchr(1,0,(unsigned char)196,(unsigned char)78,78);
|
|||
|
|
printchr(79,0,(unsigned char)191,(unsigned char)78,1);
|
|||
|
|
for(i=1;i<24;i++)
|
|||
|
|
{
|
|||
|
|
printchr(0,i,(unsigned char)179,(unsigned char)78,1);
|
|||
|
|
printchr(1,i,(unsigned char)32,(unsigned char)78,78);
|
|||
|
|
printchr(79,i,(unsigned char)179,(unsigned char)78,1);
|
|||
|
|
}
|
|||
|
|
printchr(0,24,(unsigned char)192,(unsigned char)78,1);
|
|||
|
|
printchr(1,24,(unsigned char)196,(unsigned char)78,78);
|
|||
|
|
printchr(79,24,(unsigned char)217,(unsigned char)78,1);
|
|||
|
|
printstr(31,1,"BUILD Setup Screen",79);
|
|||
|
|
printstr(29,21,"ARROWS to move cursor.",71);
|
|||
|
|
printstr(32,22,"ENTER to select.",71);
|
|||
|
|
printstr(33,23,"ESC to cancel.",71);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
menu(unsigned char *title, int menunum, int selection)
|
|||
|
|
{
|
|||
|
|
unsigned char ch, col, buffer[80];
|
|||
|
|
int i, j, k, xdim, ydim, x1, y1, firstring, numstrings;
|
|||
|
|
|
|||
|
|
firstring = menuoffs[menunum];
|
|||
|
|
numstrings = menuleng[menunum];
|
|||
|
|
|
|||
|
|
if (selection < 0) selection = 0;
|
|||
|
|
if (selection > numstrings) selection = numstrings-1;
|
|||
|
|
|
|||
|
|
xdim = 0;
|
|||
|
|
for(i=firstring;i<firstring+numstrings;i++)
|
|||
|
|
{
|
|||
|
|
k = strlen(&strtable[i][0]);
|
|||
|
|
if (k > xdim)
|
|||
|
|
xdim = strlen(&strtable[i][0]);
|
|||
|
|
}
|
|||
|
|
xdim += 4;
|
|||
|
|
ydim = numstrings+2;
|
|||
|
|
x1 = 39-(xdim>>1);
|
|||
|
|
y1 = 12-(ydim>>1);
|
|||
|
|
|
|||
|
|
printstr((int)39-(strlen(title)>>1),(int)y1-1,title,32);
|
|||
|
|
|
|||
|
|
buffer[0] = 218;
|
|||
|
|
for(i=1;i<xdim-1;i++)
|
|||
|
|
buffer[i] = 196;
|
|||
|
|
buffer[xdim-1] = 191;
|
|||
|
|
buffer[xdim] = 0;
|
|||
|
|
printstr(x1,y1,buffer,19);
|
|||
|
|
for(i=y1+1;i<y1+ydim-1;i++)
|
|||
|
|
{
|
|||
|
|
if (strtable[firstring+i-(y1+1)][0] == 196)
|
|||
|
|
{
|
|||
|
|
buffer[0] = 195;
|
|||
|
|
for(j=1;j<xdim-1;j++)
|
|||
|
|
buffer[j] = 196;
|
|||
|
|
buffer[xdim-1] = 180;
|
|||
|
|
buffer[xdim] = 0;
|
|||
|
|
printstr(x1,i,buffer,19);
|
|||
|
|
if (selection >= i-(y1+1))
|
|||
|
|
selection++;
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
buffer[0] = 179;
|
|||
|
|
for(j=1;j<xdim-1;j++)
|
|||
|
|
buffer[j] = 32;
|
|||
|
|
buffer[xdim-1] = 179;
|
|||
|
|
buffer[xdim] = 0;
|
|||
|
|
printstr(x1,i,buffer,19);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
buffer[0] = 192;
|
|||
|
|
for(i=1;i<xdim-1;i++)
|
|||
|
|
buffer[i] = 196;
|
|||
|
|
buffer[xdim-1] = 217;
|
|||
|
|
buffer[xdim] = 0;
|
|||
|
|
printstr(x1,y1+ydim-1,buffer,19);
|
|||
|
|
ch = 0;
|
|||
|
|
while ((ch != 13) && (ch != 32) && (ch != 27))
|
|||
|
|
{
|
|||
|
|
for(i=firstring;i<firstring+numstrings;i++)
|
|||
|
|
{
|
|||
|
|
if (i == selection+firstring)
|
|||
|
|
col = 75;
|
|||
|
|
else
|
|||
|
|
col = 19;
|
|||
|
|
if (strtable[i][0] != 196)
|
|||
|
|
printstr(x1+2,y1+1+i-firstring,&strtable[i][0],col);
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
ch = getch();
|
|||
|
|
if (ch == 0)
|
|||
|
|
{
|
|||
|
|
ch = getch();
|
|||
|
|
if ((ch == 72) || (ch == 75))
|
|||
|
|
{
|
|||
|
|
do
|
|||
|
|
{
|
|||
|
|
selection--;
|
|||
|
|
if (selection < 0)
|
|||
|
|
selection = numstrings-1;
|
|||
|
|
}
|
|||
|
|
while (strtable[firstring+selection][0] == 196);
|
|||
|
|
}
|
|||
|
|
if ((ch == 80) || (ch == 77))
|
|||
|
|
{
|
|||
|
|
do
|
|||
|
|
{
|
|||
|
|
selection++;
|
|||
|
|
if (selection >= numstrings)
|
|||
|
|
selection = 0;
|
|||
|
|
}
|
|||
|
|
while (strtable[firstring+selection][0] == 196);
|
|||
|
|
}
|
|||
|
|
if ((ch == 59) && (firstring == menuoffs[KEYMENU]))
|
|||
|
|
return(-256);
|
|||
|
|
ch = 0;
|
|||
|
|
}
|
|||
|
|
if ((ch == 32) && (firstring == menuoffs[KEYMENU]))
|
|||
|
|
return(-257);
|
|||
|
|
}
|
|||
|
|
for(i=ydim-1;i>=0;i--)
|
|||
|
|
if (strtable[firstring+i][0] == 196)
|
|||
|
|
if (selection >= i)
|
|||
|
|
selection--;
|
|||
|
|
if (ch == 27)
|
|||
|
|
return(-1-selection);
|
|||
|
|
else
|
|||
|
|
return(selection);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
definekeys()
|
|||
|
|
{
|
|||
|
|
int i, j, k, keypos;
|
|||
|
|
|
|||
|
|
for(i=1;i<24;i++)
|
|||
|
|
printchr(1,i,(unsigned char)32,(unsigned char)0x40,78);
|
|||
|
|
|
|||
|
|
printstr(1,23,"Change selected key by pressing ENTER, then the KEY. ESC returns to main menu.",71);
|
|||
|
|
printstr(26,24," Press F1 for default keys. ",71);
|
|||
|
|
|
|||
|
|
keypos = 0;
|
|||
|
|
do
|
|||
|
|
{
|
|||
|
|
//Draw and select box
|
|||
|
|
j = menuoffs[KEYMENU];
|
|||
|
|
for(i=0;i<NUMKEYS;i++)
|
|||
|
|
{
|
|||
|
|
for(k=0;k<8;k++)
|
|||
|
|
strtable[j][k+50] = 32;
|
|||
|
|
|
|||
|
|
k = 0;
|
|||
|
|
while (keytable[keys[i]][k] > 0)
|
|||
|
|
{
|
|||
|
|
strtable[j][k+50] = keytable[keys[i]][k];
|
|||
|
|
k++;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
do
|
|||
|
|
{
|
|||
|
|
j++;
|
|||
|
|
} while (strtable[j][0] == 196);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
i = menu("Custom Key Menu",KEYMENU,keypos);
|
|||
|
|
if (i == -256) //F1 - reset to defaults
|
|||
|
|
{
|
|||
|
|
for(i=0;i<NUMKEYS;i++)
|
|||
|
|
keys[i] = defaultkey[i];
|
|||
|
|
}
|
|||
|
|
else if (i >= 0)
|
|||
|
|
{
|
|||
|
|
keypos = i;
|
|||
|
|
keys[keypos] = getscancode(keys[keypos]);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
} while ((i >= 0) || (i == -256));
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
getscancode(unsigned char scancode)
|
|||
|
|
{
|
|||
|
|
#if defined(__386__)
|
|||
|
|
unsigned char *ptr;
|
|||
|
|
#else
|
|||
|
|
unsigned char far *ptr;
|
|||
|
|
#endif
|
|||
|
|
int i, j;
|
|||
|
|
|
|||
|
|
for(j=0;j<25;j++)
|
|||
|
|
for(i=0;i<57;i++)
|
|||
|
|
{
|
|||
|
|
#if defined(__386__)
|
|||
|
|
ptr = (unsigned char *)(0xb8000+(((j*80)+i)<<1)+1);
|
|||
|
|
#else
|
|||
|
|
ptr = (unsigned char far *)(0xb8000000+(((j*80)+i)<<1)+1);
|
|||
|
|
#endif
|
|||
|
|
if (*ptr == 75)
|
|||
|
|
*ptr = 19;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
for(i=0;i<256;i++)
|
|||
|
|
keystatus[i] = 0;
|
|||
|
|
|
|||
|
|
oldkeyhandler = _dos_getvect(0x9);
|
|||
|
|
_disable(); _dos_setvect(0x9, keyhandler); _enable();
|
|||
|
|
|
|||
|
|
i = 0;
|
|||
|
|
while (1)
|
|||
|
|
{
|
|||
|
|
if (i != 0xaa)
|
|||
|
|
{
|
|||
|
|
if (keystatus[i] != 0)
|
|||
|
|
{
|
|||
|
|
j = i;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
i = ((i+1)&255);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
_disable(); _dos_setvect(0x9, oldkeyhandler); _enable();
|
|||
|
|
|
|||
|
|
if (j > 1)
|
|||
|
|
return(j);
|
|||
|
|
else
|
|||
|
|
return(scancode);
|
|||
|
|
}
|