Mercurial > hg > Members > kono > nitros9-code
annotate defs/cciodefs @ 1904:fd159d660df5
Changes for cobber
| author | afra |
|---|---|
| date | Thu, 03 Nov 2005 01:37:41 +0000 |
| parents | f6a8c676b8bb |
| children |
| rev | line source |
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| 1804 | 1 IFNE CCIODEFS-1 |
| 1796 | 2 |
| 3 CCIODEFS set 1 | |
| 4 | |
| 1593 | 5 ******************************************************************** |
| 1658 | 6 * CCIODefs - CoCo 1/2 I/O Definitions |
| 1593 | 7 * |
| 8 * $Id$ | |
| 9 * | |
| 10 * Edt/Rev YYYY/MM/DD Modified by | |
| 11 * Comment | |
| 12 * ------------------------------------------------------------------ | |
| 1736 | 13 * |
| 1804 | 14 * 2004/11/29 P.Harvey-Smith. |
| 1736 | 15 * Added symbolic defines for bits in V.CoLoad. |
| 16 * | |
| 1804 | 17 * 2004/12/02 P.Harvey-Smith. |
| 18 * Moved over all variables from co51.asm | |
| 1736 | 19 * |
| 1804 | 20 * 2005/04/09 P.Harvey-Smith. |
| 21 * Decoded rest of the CO51 memory locations. | |
| 1796 | 22 * |
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23 * 2005/04/24 P.Harvey-Smith. |
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24 * Added variables for cursor flash, currently only implemented in co51 |
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25 * |
| 1804 | 26 |
| 1796 | 27 nam CCIODefs |
| 28 ttl CoCo 1/2 I/O Definitions | |
| 29 | |
| 1658 | 30 ******************** |
| 31 * CCIO Static Memory | |
| 32 * | |
| 1796 | 33 org V.SCF |
| 34 V.ScrnA rmb 2 (2) screen start address in system memory | |
| 35 V.ScrnE rmb 2 (2) address of end of screen | |
| 36 V.CrsrA rmb 1 (2) cursor address | |
| 37 V.CrsAL rmb 1 cursor address low | |
| 38 V.CChar rmb 1 value of character under cursor | |
| 39 V.Mode rmb 1 mode: 0=256x192 x2, 1=128x192 x4 | |
| 40 V.NGChr rmb 1 number of additional characters to get | |
| 41 V.RTAdd rmb 2 (2) return address after getting characters | |
| 42 V.NChar rmb 1 character to process | |
| 43 V.NChr2 rmb 1 and the next one | |
| 44 rmb 1 | |
| 45 V.Chr1 rmb 1 same as under cursor character | |
| 46 V.CColr rmb 1 cursor color | |
| 47 V.Col rmb 1 number of columns for this screen | |
| 48 V.Row rmb 1 number of rows | |
| 49 V.Alpha rmb 1 0 when in alpha mode | |
| 50 V.PIA1 rmb 1 PIA1Base value | |
| 51 V.Rdy rmb 1 device ready (see SS.DStat 0=not ready) | |
| 52 V.CFlg1 rmb 1 VDG display code values | |
| 53 V.SBAdd rmb 2 (2) address of block screen is in | |
| 54 V.GBuff rmb 2 allocation for graphics buffers (block#) | |
| 55 V.AGBuf rmb 4 (2) additional graphics buffer | |
| 56 V.FFMem rmb 2 Flood fill alloc'ed mem | |
| 57 V.FFSPt rmb 2 Flood fill current stack pointer | |
| 58 V.FFSTp rmb 1 Flood fill stack top | |
| 59 V.FF6 rmb 1 flood fill flag | |
| 60 V.FFFlag rmb 1 ?? | |
| 61 V.MTabl rmb 2 (2) address of mask table for pixels in byte | |
| 62 V.PixBt rmb 1 bit mask for modes (0=$07, 1=$03 )#pixels/byte | |
| 63 V.GCrsX rmb 1 graphics cursor X value | |
| 64 V.GCrsY rmb 1 graphics cursor Y | |
| 65 V.Msk1 rmb 1 mask byte 1 | |
| 66 V.Msk2 rmb 1 mask byte 2 (00,55,AA,FF) | |
| 67 V.MCol rmb 1 color? (C003,8001) | |
| 68 V.4A rmb 1 | |
| 69 V.PMask rmb 1 pixel mask for colors (i.e. $55, $CC etc) | |
| 70 V.4C rmb 1 | |
| 71 V.4D rmb 1 | |
| 72 V.4E rmb 1 | |
| 73 V.4F rmb 1 | |
| 74 V.Caps rmb 1 caps lock info: $00=lower $FF=upper | |
| 75 V.ClkCnt rmb 1 clock count ?? | |
| 76 V.WrChr rmb 1 character to write | |
| 77 V.CurCo rmb 1 current CO-module in use | |
| 1593 | 78 * start of CO80-specific static memory |
| 1796 | 79 V.Co80X rmb 1 V.54 |
| 80 V.Co80Y rmb 1 V.55 | |
| 81 V.ColPtr rmb 1 V.56 | |
| 82 V.RowPtr rmb 1 V.57 | |
| 83 V.C80X rmb 1 CO80 X position | |
| 84 V.C80Y rmb 1 CO80 Y position | |
| 85 V.Invers rmb 1 | |
| 1593 | 86 * end of CO80-specific static memory |
| 1796 | 87 V.DspVct rmb 2 vector to display screen |
| 88 V.CnvVct rmb 2 vector to X/Y to address conversion | |
| 89 V.LKeyCd rmb 1 last key code | |
| 90 V.2Key1 rmb 1 2nd Key 1 | |
| 91 V.2Key2 rmb 1 2nd Key 2 | |
| 92 V.2Key3 rmb 1 2nd Key 3 | |
| 93 V.Key1 rmb 1 Key 1 | |
| 94 V.Key2 rmb 1 Key 2 | |
| 95 V.Key3 rmb 1 Key 3 | |
| 96 V.ShftDn rmb 1 SHIFT/CTRL state | |
| 97 V.CtrlDn rmb 1 CTRL key down | |
| 98 V.KeyFlg rmb 1 key flag | |
| 99 V.AltDwn rmb 1 ALT key down | |
| 100 V.KySns rmb 1 key sense flags | |
| 101 V.KySame rmb 1 key same as last flag | |
| 102 V.KySnsF rmb 1 key sense flag | |
| 103 V.Spcl rmb 1 | |
| 104 V.KTblLC rmb 1 key table entry # | |
| 105 V.6F rmb 1 ??? | |
| 106 V.COLoad rmb 1 CO-module loaded flags | |
| 107 V.CFlag rmb 1 true lowercase flag $10=true, $00=false | |
| 108 V.GRFOE rmb 2 GRFO entry point | |
| 109 V.CO32E rmb 2 CO32 entry point | |
| 110 V.CO80E rmb 2 CO80 entry point | |
| 111 V.CO51E rmb 2 CO51 entry point | |
| 1804 | 112 |
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113 V.Flash rmb 2 Cursor flash routine address. |
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114 v.FlashCount rmb 1 Cursor flash count |
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115 V.NoFlash rmb 1 When this is noz-zero do not flash cursor |
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116 |
| 1804 | 117 * CO51 vars |
| 118 | |
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119 V.51ScrnA rmb 2 * Screen address. |
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120 V.51XPos rmb 1 * X co-ordinate |
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121 V.51YPos rmb 1 * Y co-ordinate |
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122 V.51EscSeq rmb 1 * In escape sequence |
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123 V.51ReverseFlag rmb 1 * Reverse video flag |
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124 V.51UnderlineFlag rmb 1 * Underline flag |
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125 V.51CtrlDispatch rmb 2 * Ctrl char dispatch address, currently processing |
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126 V.51BytePixOffset rmb 1 * byte offset in screen line, of character X position |
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127 V.51OldCursorPosX rmb 1 * Position of old cursor before update |
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128 V.51OldCursorPosY rmb 1 |
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129 V.51CursorChanged rmb 1 * Has cursor position changed ? 1=yes,0=no |
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130 V.51CursorOn rmb 1 * Is cursor on ? 1=yes 0=no |
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131 V.51XORFlag rmb 1 * and data to screen (0) or Xor (1) |
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132 V.51ScreenMask1 rmb 1 * screen masks for drawing characters on screen |
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133 V.51ScreenMask2 rmb 1 |
| 1804 | 134 * End of CO51 vars |
| 135 **** Note these have to come at the end of the defs, or the keyboard **** | |
| 136 **** code can clobber variables defined after these ! **** | |
| 1796 | 137 V.IBufH rmb 1 input buffer head |
| 138 V.IBufT rmb 1 input buffer tail | |
| 139 V.InBuf rmb 1 input buffer tail | |
| 140 V.51End rmb 1 | |
| 141 rmb 250-. | |
| 142 V.Last equ . | |
| 143 | |
| 144 | |
| 1658 | 145 * Unknown for now |
| 1593 | 146 *VD.FFMem rmb 2 (2) bottom of stack for flood fill |
| 147 *VD.FFSPt rmb 2 (2) flood fill stack pointer | |
| 148 *VD.FFSTp rmb 2 (2) flood fill stack top pointer | |
| 149 *VD.FF6 rmb 1 flood fill flag | |
| 150 *VD.MCol2 rmb 1 color | |
| 151 *VD.FF1 rmb 1 data for flood fill | |
| 152 *VD.FF2 rmb 1 data for flood fill | |
| 153 *VD.FFMsk rmb 1 flood fill mask | |
| 154 *VD.FFFlg rmb 1 flood fill flag | |
| 155 *VD.Palet rmb 16 (16) current palette values | |
| 156 *VD.PlFlg rmb 1 initialized to $08 by L00DB, and then unused! | |
| 1796 | 157 |
| 1804 | 158 * |
| 159 * Defs for V.COLoad flags. | |
| 160 * | |
| 1796 | 161 |
| 1804 | 162 ModCO32 equ %00000010 CO32, normal VDG 32x16. |
| 163 ModCO80 equ %00000100 CO80, wordpak rs, 80x25 | |
| 164 ModCO51 equ %00001000 CO51, pmode 4 51x25 text | |
| 165 | |
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166 * |
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167 * Defs for cursor flash counter |
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168 * |
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169 |
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170 CFlash50hz equ 25 * 50Hz flash counter |
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171 CFlash60Hz equ 30 * 60Hz flash counter |
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172 |
| 1804 | 173 ENDC |