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473 lines
14 KiB
473 lines
14 KiB
/* tms9918.h 8/31/2012 dwg - information from TI Docs */
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/* http://www1.cs.columbia.edu/~sedwards/papers/TMS9918.pdf */
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/* TMS9918 Modes:
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Graphics I
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Grtaphics Mode I provides 256x192 pixel display for generating
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pattern graphics in 15 colors plus transparent.
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Graphics II
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Graphics mode II is an enhancement of Graphics Mode I, allowing
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it to generate more complex color and pattern displays.
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Multicolor
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The Muylticolor mode provides an unrestricted 64x48
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color-dot display employing 15 colors plus transparent.
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Text Mode
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The Text Mode provides twenty-four 40-character in two colors
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and is intended to maximize the capacity of the TV screen to
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display alphanumeric characters. (24 lines of forty blocks (each 8x8).
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*/
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#define BASE 128
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#define DATAP (BASE+24)
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#define CMDP (BASE+25)
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#define WO_R0
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#define WOR0B6
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#define VDP_TRANSPARENT 0
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#define VDP_BLACK 1
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#define VDP_MED_GREEN 2
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#define VDP_LGREEN 3
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#define VDP_DBLUE 4
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#define VDP_LBLUE 5
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#define VDP_DRED 6
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#define VDP_CYAN 7
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#define VDP_MRED 8
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#define VDP_LRED 9
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#define VDP_DYELLOW 10
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#define VDP_LYELLOW 11
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#define VDP_DGREEN 12
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#define VDP_MAGENTA 13
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#define VDP_GRAY 14
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#define VDP_WHITE 15
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unsigned char regen[24*40];
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unsigned char data[256*8] = {
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/* 10000 */ 0,0,0,0,0,0,0,0,
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/* 10001 */ 0,0,0,60,60,48,48,48,
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/* 10002 */ 0,0,0,240,240,48,48,48,
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/* 10003 */ 48,48,48,60,60,0,0,0,
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/* 10004 */ 48,48,48,240,240,0,0,0,
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/* 10005 */ 48,48,48,48,48,48,48,48,
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/* 10006 */ 0,0,0,255,255,0,0,0,
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/* 10007 */ 0,32,112,248,112,32,0,0,
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/* 10008 */ 248,216,136,0,136,216,248,0,
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/* 10009 */ 0,0,0,0,0,0,0,0,
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/* 10010 */ 0,0,0,0,0,0,0,0,
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/* 10011 */ 24,24,32,96,144,96,0,0,
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/* 10012 */ 32,80,32,32,112,32,0,0,
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/* 10013 */ 0,0,0,0,0,0,0,0,
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/* 10014 */ 0,0,0,0,0,0,0,0,
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/* 10015 */ 168,80,80,216,80,80,168,0,
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/* 10016 */ 48,48,48,252,252,48,48,48,
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/* 10017 */ 16,48,112,240,112,48,16,0,
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/* 10018 */ 32,112,32,32,32,112,32,0,
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/* 10019 */ 80,80,80,80,0,80,0,0,
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/* 10020 */ 120,168,168,104,40,40,0,0,
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/* 10021 */ 48,48,48,252,252,0,0,0,
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/* 10022 */ 0,0,0,252,252,48,48,48,
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/* 10023 */ 48,48,48,240,240,48,48,48,
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/* 10024 */ 32,112,32,32,32,32,32,32,
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/* 10025 */ 48,48,48,60,60,48,48,48,
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/* 10026 */ 0,16,24,252,24,16,0,0,
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/* 10027 */ 0,32,96,252,96,32,0,0,
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/* 10028 */ 0,0,0,0,0,0,0,0,
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/* 10029 */ 0,0,0,0,0,0,0,0,
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/* 10030 */ 0,0,0,0,0,0,0,0,
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/* 10031 */ 0,0,0,0,0,0,0,0,
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/* 10032 */ 0,0,0,0,0,0,0,0,
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/* 10033 */ 48,120,120,48,0,48,0,0,
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/* 10034 */ 216,216,80,0,0,0,0,0,
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/* 10035 */ 72,72,252,72,72,252,72,72,
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/* 10036 */ 32,120,160,120,36,248,32,0,
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/* 10037 */ 0,200,208,32,88,152,0,0,
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/* 10038 */ 48,72,72,80,96,144,120,0,
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/* 10039 */ 48,48,64,0,0,0,0,0,
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/* 10040 */ 16,32,32,32,32,32,16,0,
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/* 10041 */ 32,16,16,16,16,16,32,0,
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/* 10042 */ 32,168,112,248,112,168,32,0,
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/* 10043 */ 0,32,32,248,32,32,0,0,
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/* 10044 */ 0,0,0,0,0,48,48,64,
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/* 10045 */ 0,0,0,252,0,0,0,0,
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/* 10046 */ 0,0,0,0,0,48,48,0,
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/* 10047 */ 4,8,16,32,64,128,0,0,
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/* 10048 */ 112,152,168,168,168,200,112,0,
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/* 10049 */ 32,96,32,32,32,32,248,0,
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/* 10050 */ 32,80,16,32,64,128,248,0,
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/* 10051 */ 112,136,8,112,8,136,112,0,
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/* 10052 */ 48,80,144,248,16,16,16,0,
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/* 10053 */ 248,128,128,240,8,136,112,0,
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/* 10054 */ 56,64,128,240,136,136,112,0,
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/* 10055 */ 248,8,16,32,32,32,32,0,
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/* 10056 */ 112,136,136,112,136,136,112,0,
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/* 10057 */ 112,136,136,120,8,136,112,0,
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/* 10058 */ 0,48,48,0,48,48,0,0,
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/* 10059 */ 0,48,48,0,48,48,96,0,
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/* 10060 */ 16,32,64,128,64,32,16,0,
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/* 10061 */ 0,0,252,0,252,0,0,0,
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/* 10062 */ 64,32,16,8,16,32,64,0,
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/* 10063 */ 112,136,8,48,32,0,32,0,
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/* 10064 */ 112,136,184,176,128,128,112,0,
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/* 10065 */ 32,80,136,248,136,136,136,0,
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/* 10066 */ 240,72,72,112,72,72,240,0,
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/* 10067 */ 112,136,128,128,128,136,112,0,
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/* 10068 */ 240,72,72,72,72,72,240,0,
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/* 10069 */ 248,136,128,224,128,136,248,0,
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/* 10070 */ 248,136,128,240,128,128,128,0,
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/* 10071 */ 112,136,128,184,136,136,112,0,
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/* 10072 */ 136,136,136,248,136,136,136,0,
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/* 10073 */ 248,32,32,32,32,32,248,0,
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/* 10074 */ 28,8,8,8,8,136,112,0,
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/* 10075 */ 136,144,160,192,160,144,136,0,
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/* 10076 */ 128,128,128,128,128,136,248,0,
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/* 10077 */ 136,216,168,136,136,136,136,0,
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/* 10078 */ 136,200,168,168,168,152,136,0,
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/* 10079 */ 112,136,136,136,136,136,112,0,
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/* 10080 */ 240,136,136,240,128,128,128,0,
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/* 10081 */ 112,136,136,136,168,152,120,4,
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/* 10082 */ 240,136,136,240,160,144,136,0,
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/* 10083 */ 112,136,64,32,16,136,112,0,
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/* 10084 */ 248,32,32,32,32,32,112,0,
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/* 10085 */ 136,136,136,136,136,136,112,0,
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/* 10086 */ 136,136,136,80,80,80,32,0,
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/* 10087 */ 136,136,136,168,168,168,80,0,
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/* 10088 */ 136,136,80,32,80,136,136,0,
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/* 10089 */ 136,136,80,32,32,32,32,0,
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/* 10090 */ 248,136,16,32,64,136,248,0,
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/* 10091 */ 120,64,64,64,64,64,120,0,
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/* 10092 */ 0,128,64,32,16,8,0,0,
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/* 10093 */ 120,8,8,8,8,8,120,0,
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/* 10094 */ 32,80,136,0,0,0,0,0,
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/* 10095 */ 0,0,0,0,0,0,252,0,
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/* 10096 */ 96,96,16,0,0,0,0,0,
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/* 10097 */ 0,0,240,8,120,136,112,0,
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/* 10098 */ 128,128,128,240,136,136,240,0,
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/* 10099 */ 0,0,0,112,128,128,112,0,
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/* 10100 */ 8,8,8,120,136,136,120,0,
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/* 10101 */ 0,0,112,136,248,128,112,0,
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/* 10102 */ 0,48,72,224,64,64,64,0,
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/* 10103 */ 0,0,56,72,72,56,8,112,
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/* 10104 */ 0,128,128,176,200,136,136,0,
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/* 10105 */ 0,0,32,0,96,32,112,0,
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/* 10106 */ 0,8,0,24,8,8,72,48,
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/* 10107 */ 128,128,144,160,192,160,144,0,
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/* 10108 */ 32,32,32,32,32,32,32,0,
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/* 10109 */ 0,0,0,80,168,168,136,0,
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/* 10110 */ 0,0,0,176,200,136,136,0,
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/* 10111 */ 0,0,0,112,136,136,112,0,
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/* 10112 */ 0,0,112,72,72,112,64,64,
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/* 10113 */ 0,96,56,72,72,56,8,8,
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/* 10114 */ 0,0,0,176,200,128,128,0,
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/* 10115 */ 0,0,96,128,96,16,96,0,
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/* 10116 */ 0,0,64,224,64,64,32,0,
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/* 10117 */ 0,0,0,144,144,144,104,0,
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/* 10118 */ 0,0,0,136,136,80,32,0,
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/* 10119 */ 0,0,0,136,168,168,80,0,
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/* 10120 */ 0,0,0,72,48,48,72,0,
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/* 10121 */ 0,0,136,80,32,64,128,0,
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/* 10122 */ 0,0,248,16,32,64,248,0,
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/* 10123 */ 16,32,32,64,32,32,16,0,
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/* 10124 */ 32,32,32,0,32,32,32,0,
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/* 10125 */ 64,32,32,16,32,32,64,0,
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/* 10126 */ 108,144,0,0,0,0,0,0,
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/* 10127 */ 112,80,80,80,80,80,112,0,
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/* 10128 */ 0,0,0,0,0,0,0,0,
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/* 10129 */ 0,0,0,0,0,0,0,0,
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/* 10130 */ 0,0,0,0,0,0,0,0,
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/* 10131 */ 0,0,0,0,0,0,0,0,
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/* 10132 */ 0,0,0,0,0,0,0,0,
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/* 10133 */ 0,0,0,0,0,0,0,0,
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/* 10134 */ 0,0,0,0,0,0,0,0,
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/* 10135 */ 0,0,0,0,0,0,0,0,
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/* 10136 */ 0,0,0,0,0,0,0,0,
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/* 10137 */ 0,0,0,0,0,0,0,0,
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/* 10138 */ 0,0,0,0,0,0,0,0,
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/* 10139 */ 0,0,0,0,0,0,0,0,
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/* 10140 */ 0,0,0,0,0,0,0,0,
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/* 10141 */ 0,0,0,0,0,0,0,0,
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/* 10142 */ 0,0,0,0,0,0,0,0,
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/* 10143 */ 0,0,0,0,0,0,0,0,
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/* 10144 */ 0,0,0,0,0,0,0,0,
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/* 10145 */ 0,0,0,0,0,0,0,0,
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/* 10146 */ 0,0,0,0,0,0,0,0,
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/* 10147 */ 0,0,0,0,0,0,0,0,
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/* 10148 */ 0,0,0,0,0,0,0,0,
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/* 10149 */ 0,0,0,0,0,0,0,0,
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/* 10150 */ 0,0,0,0,0,0,0,0,
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/* 10151 */ 0,0,0,0,0,0,0,0,
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/* 10152 */ 0,0,0,0,0,0,0,0,
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/* 10153 */ 0,0,0,0,0,0,0,0,
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/* 10154 */ 0,0,0,0,0,0,0,0,
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/* 10155 */ 0,0,0,0,0,0,0,0,
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/* 10156 */ 0,0,0,0,0,0,0,0,
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/* 10157 */ 0,0,0,0,0,0,0,0,
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/* 10158 */ 0,0,0,0,0,0,0,0,
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/* 10159 */ 0,0,0,0,0,0,0,0,
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/* 10160 */ 32,64,240,8,120,136,112,0,
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/* 10161 */ 16,32,0,96,32,32,248,0,
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/* 10162 */ 16,32,0,112,136,136,112,0,
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/* 10163 */ 16,32,0,136,136,136,116,0,
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/* 10164 */ 16,32,0,176,200,136,136,0,
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/* 10165 */ 16,32,0,200,168,152,136,0,
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/* 10166 */ 112,136,136,124,0,252,0,0,
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/* 10167 */ 112,136,136,112,0,252,0,0,
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/* 10168 */ 32,0,32,32,64,136,112,0,
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/* 10169 */ 0,0,0,0,252,128,128,128,
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/* 10170 */ 0,0,0,0,252,4,4,4,
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/* 10171 */ 136,144,168,84,136,28,0,0,
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/* 10172 */ 136,144,168,88,184,8,0,0,
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/* 10173 */ 48,0,48,120,120,48,0,0,
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/* 10174 */ 20,40,80,160,80,40,20,0,
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/* 10175 */ 160,80,40,20,40,80,160,0,
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/* 10176 */ 84,170,84,170,84,170,84,170,
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/* 10177 */ 170,84,170,84,170,84,170,84,
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/* 10178 */ 182,108,218,182,108,218,182,108,
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/* 10179 */ 24,24,24,24,24,24,24,24,
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/* 10180 */ 24,24,24,24,248,24,24,24,
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/* 10181 */ 24,24,24,248,24,248,24,24,
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/* 10182 */ 108,108,108,108,236,108,108,108,
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/* 10183 */ 0,0,0,0,252,108,108,108,
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/* 10184 */ 0,0,0,252,108,236,108,108,
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/* 10185 */ 108,108,236,12,236,108,108,108,
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/* 10186 */ 108,108,108,108,108,108,108,108,
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/* 10187 */ 0,0,252,14,238,108,108,108,
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/* 10188 */ 108,108,236,12,252,0,0,0,
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/* 10189 */ 100,100,252,0,0,0,0,0,
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/* 10190 */ 48,48,240,48,48,240,0,0,
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/* 10191 */ 0,0,0,0,240,48,48,48,
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/* 10192 */ 48,48,48,48,60,0,0,0,
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/* 10193 */ 48,48,48,48,252,0,0,0,
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/* 10194 */ 0,0,0,0,252,48,48,48,
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/* 10195 */ 48,48,48,48,60,48,48,48,
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/* 10196 */ 0,0,0,0,252,0,0,0,
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/* 10197 */ 48,48,48,48,252,48,48,48,
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/* 10198 */ 48,48,60,48,60,48,48,48,
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/* 10199 */ 216,216,220,216,216,216,216,216,
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/* 10200 */ 216,216,216,220,192,252,0,0,
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/* 10201 */ 0,0,0,252,192,220,216,216,
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/* 10202 */ 216,216,216,220,192,0,252,0,
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/* 10203 */ 0,0,0,0,0,0,252,0,
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/* 10204 */ 216,216,216,220,192,220,216,216,
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/* 10205 */ 0,0,0,252,0,252,0,0,
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/* 10206 */ 216,216,216,220,0,220,216,216,
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/* 10207 */ 48,48,48,252,0,0,252,0,
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/* 10208 */ 216,216,216,252,0,0,0,0,
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/* 10209 */ 0,0,252,0,0,252,48,48,
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/* 10210 */ 0,0,0,0,0,252,216,216,
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/* 10211 */ 216,216,216,252,0,0,0,0,
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/* 10212 */ 48,48,48,60,48,48,60,0,
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/* 10213 */ 0,0,0,62,48,62,48,48,
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/* 10214 */ 0,0,0,0,0,252,216,216,
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/* 10215 */ 216,216,216,216,220,216,216,216,
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/* 10216 */ 48,48,252,0,0,252,48,48,
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/* 10217 */ 48,48,48,240,0,0,0,0,
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/* 10218 */ 0,0,0,60,48,48,48,48,
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/* 10219 */ 252,252,252,252,252,252,252,252,
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/* 10220 */ 0,0,0,252,252,252,192,192,
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/* 10221 */ 192,192,192,192,192,192,192,192,
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/* 10222 */ 12,12,12,12,12,12,12,12,
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/* 10223 */ 12,12,12,12,252,252,252,0,
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/* 10224 */ 0,0,0,104,144,144,104,0,
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/* 10225 */ 112,136,136,176,136,136,240,64,
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/* 10226 */ 240,144,128,128,128,128,128,0,
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/* 10227 */ 248,80,80,80,80,72,0,0,
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/* 10228 */ 248,136,64,32,64,136,248,0,
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/* 10229 */ 0,0,0,124,136,136,112,0,
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/* 10230 */ 0,0,0,136,136,136,112,128,
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/* 10231 */ 0,0,116,152,16,16,28,0,
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/* 10232 */ 252,16,56,68,56,16,252,0,
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/* 10233 */ 48,204,204,252,204,204,56,0,
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/* 10234 */ 120,132,132,132,72,72,132,0,
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/* 10235 */ 60,64,56,68,68,68,56,0,
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/* 10236 */ 0,0,108,146,146,108,0,0,
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/* 10237 */ 0,0,0,56,88,104,112,0,
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/* 10238 */ 56,64,128,248,128,64,56,0,
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/* 10239 */ 0,0,48,204,204,204,204,0,
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/* 10240 */ 252,0,0,252,0,0,252,0,
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/* 10241 */ 16,16,124,16,16,0,254,0,
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/* 10242 */ 32,16,8,16,32,0,254,0,
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/* 10243 */ 16,32,64,32,16,0,254,0,
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/* 10244 */ 24,52,48,48,48,48,48,48,
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/* 10245 */ 48,48,48,48,48,48,176,112,
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/* 10246 */ 48,48,0,252,0,48,48,0,
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/* 10247 */ 0,100,152,0,100,152,0,0,
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/* 10248 */ 56,68,68,56,0,0,0,0,
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/* 10249 */ 0,56,56,0,0,0,0,0,
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/* 10250 */ 0,0,56,0,0,0,0,0,
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/* 10251 */ 14,8,8,72,40,24,8,0,
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/* 10252 */ 0,0,0,176,72,72,72,0,
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/* 10253 */ 0,0,240,60,64,128,248,0,
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/* 10254 */ 252,252,252,252,252,252,252,252,
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/* 10255 */ 0,0,0,0,0,0,0,0
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};
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vdp_clr16k()
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{
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unsigned int a;
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printf("Let's set VDP write address to #0000 \n");
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out(CMDP,0); /* 0x00 - a6 a7 a8 a9 a10 a11 a12 a13 - all zeroes */
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out(CMDP,64); /* 0x40 - 01 a0 a1 a2 a3 a4 a5 - all zeroes */
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printf("Now let's clear first 16Kb of VDP memory\n");
|
|
for(a=0;a<16384;a++) {
|
|
out(DATAP,0);
|
|
}
|
|
}
|
|
|
|
vdp_setregs()
|
|
{
|
|
printf("Now it's time to set up VDP registers\n");
|
|
out(CMDP,0); /* 0x00 - 000000 - 0 M3 M3 of 0 required text mode */
|
|
/* 0 EX EX of 0 disables extVDP inp */
|
|
|
|
out(CMDP,128); /* 0x80 - 1 0000 000 - reg 0 */
|
|
}
|
|
|
|
vdp_modes()
|
|
{
|
|
printf("Select 40 column mode, ");
|
|
printf("enable screen and disable vertical interrupt\n");
|
|
out(CMDP,80); /* 0x50 - 0101 0000 - 0 4/16K Select 4027 RAM operation */
|
|
/* 1 BLANK Enables the active display */
|
|
/* 0 IE Disables VDP interrupt */
|
|
/* 1 M1 M1 of 1 is required for text mode */
|
|
/* 0 M2 M2 of zero is required for text mode */
|
|
/* 0 n/a */
|
|
/* 0 SIZE 0 sprites 8x8 */
|
|
/* 0 MAG 0 sprites 2X */
|
|
out(CMDP,129); /* 0x81 - 1 0000 001 - reg 1 */
|
|
}
|
|
|
|
vdp_pnt()
|
|
{
|
|
printf("Set pattern name table to #0000\n");
|
|
out(CMDP,0); /* 0x00 - 0000 0000 - name table base addr 0 */
|
|
out(CMDP,130); /* 0x82 - 1 0000 010 - reg 2 */
|
|
}
|
|
|
|
vdp_pgt()
|
|
{
|
|
printf("Set pattern generator table to #800\n");
|
|
out(CMDP,1); /* 0x01 - 00000 001 - pattern generator base addr 1 */
|
|
out(CMDP,132); /* 0x84 - 1 0000 100 - reg 4 */
|
|
}
|
|
|
|
vdp_colors()
|
|
{
|
|
printf("Set colors to white on black\n");
|
|
out(CMDP,240); /* 0xF0 - 1111 0000 - (text=1111 bkgd=0000 */
|
|
out(CMDP,135); /* 0x87 - 1 0000 111 - reg 7 */
|
|
}
|
|
|
|
vdp_load_set()
|
|
{
|
|
int c,d,index;
|
|
|
|
printf("Let's set VDP write address to #800 so ");
|
|
printf("that we can write character set to memory\n");
|
|
out(CMDP,0); /* 0x00 - a6 a7 a8 a9 a10 a11 a12 a13 - all zeroes */
|
|
out(CMDP,72); /* 0x48 - 01 a0=0 a1=0 a2=1 a3=0 a4=0 a5=0 */
|
|
/* a0 a1 a2 a3 a4 a5 a6 a7 a8 a9 a10 a11 a12 a13 */
|
|
/* 0 0 0 1 0 0 0 0 0 0 0 0 0 0 */
|
|
/* 000 1000 0000 0000 */
|
|
|
|
printf("Create a character set\n");
|
|
|
|
index=0;
|
|
for(c=0;c<256;c++) {
|
|
for(d=0;d<8;d++) {
|
|
out(DATAP,data[index++]);
|
|
}
|
|
}
|
|
}
|
|
|
|
vdp_fill()
|
|
{
|
|
int c,d;
|
|
|
|
printf("Let's set write address to start of name table\n");
|
|
|
|
out(CMDP,0);
|
|
out(CMDP,64); /* 0x40 */
|
|
printf("Let's put characters to screen\n");
|
|
d = 0;
|
|
for(c=0;c<(40*24);c++) {
|
|
out(DATAP,d);
|
|
d++;
|
|
if(128 == d) d=0;
|
|
}
|
|
|
|
}
|
|
|
|
vdp_sync_regen()
|
|
{
|
|
int c,d;
|
|
|
|
printf("Let's set write address to start of name table\n");
|
|
|
|
out(CMDP,0);
|
|
out(CMDP,64); /* 0x40 */
|
|
printf("Let's put characters to screen\n");
|
|
d = 0;
|
|
for(c=0;c<(40*24);c++) {
|
|
out(DATAP,regen[c]);
|
|
}
|
|
}
|
|
|
|
func700()
|
|
{
|
|
out(CMDP,0);
|
|
out(CMDP,0);
|
|
}
|
|
|
|
vdp_clr_regen()
|
|
{
|
|
unsigned int index;
|
|
|
|
for(index=0;index<(24*40);index++) {
|
|
regen[index] = ' ';
|
|
}
|
|
}
|
|
|
|
vdp_set_regen()
|
|
{
|
|
unsigned int index;
|
|
|
|
for(index=0;index<40*24;index++) {
|
|
regen[index]=index&0x7f;
|
|
}
|
|
}
|
|
|
|
vdp_num_regen()
|
|
{
|
|
unsigned int index;
|
|
|
|
for(index=0;index<40*24;index++) {
|
|
regen[index]=0x30+(index%10);
|
|
}
|
|
|
|
}
|
|
|
|
vdp_display()
|
|
{
|
|
int c,v;
|
|
|
|
for(c=0;c<17;c++) {
|
|
v = in(DATAP);
|
|
printf("0x2x ",v);
|
|
}
|
|
}
|
|
|
|
|
|
/* eof - tms9918.h */
|
|
|