| 1 | #include "display.h"
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| 2 |
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| 3 | unsigned char cursorx = 0, cursory = 7;
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| 4 |
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| 5 | extern const char FM1[], FM2[], FM3[];
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| 6 | extern unsigned char music[8][16];
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| 7 | void printnote(unsigned char x, unsigned char y);
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| 8 |
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| 9 | // maps keycodes to notes
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| 10 | static const unsigned char notemap[] =
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| 11 | {
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| 12 | [0x60] = 0, // W
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| 13 | [0x50] = 2, // X
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| 14 | [0x64] = 4, // C
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| 15 | [0x54] = 6, // V
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| 16 | [0x44] = 8, // B
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| 17 | [0x00] = 10, // N
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| 18 | [0x10] = 12, // ,
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| 19 | [0x20] = 14, // .
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| 20 | [0x30] = 16, // @
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| 21 | [0x22] = 18, // back
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| 22 | [0x56] = 20, // Q
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| 23 | [0x46] = 22, // S
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| 24 | [0x36] = 24, // D
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| 25 | [0x26] = 26, // F
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| 26 | [0x16] = 28, // G
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| 27 | [0x06] = 30, // H
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| 28 | [0x04] = 32, // J
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| 29 | [0x14] = 34, // K
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| 30 | [0X24] = 36, // L
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| 31 | [0x34] = 38, // M
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| 32 | [0x5A] = 40, // A
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| 33 | [0x4A] = 42, // Z
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| 34 | [0x3A] = 44, // E
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| 35 | [0x2A] = 46, // R
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| 36 | [0x1A] = 48, // T
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| 37 | [0x0A] = 50, // Y
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| 38 | [0x08] = 52, // U
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| 39 | [0x18] = 54, // I
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| 40 | [0x28] = 56, // O
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| 41 | [0x38] = 58, // P
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| 42 | [0x48] = 60, // /
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| 43 | [0x58] = 61, // *
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| 44 | // JKLM AZERTY UIOP/*
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| 45 | };
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| 46 |
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| 47 | void input()
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| 48 | {
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| 49 | // scan keyboard
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| 50 | volatile unsigned char* volatile PIA_B = (volatile unsigned char* volatile)0xA7C1;
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| 51 |
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| 52 | for(unsigned char k = 0; k < 127; k+= 2)
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| 53 | {
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| 54 | *PIA_B = k;
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| 55 |
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| 56 | if(!(*PIA_B & 0x80))
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| 57 | {
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| 58 | // We have a keypress !
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| 59 | switch(k)
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| 60 | {
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| 61 | case 0x32: //RIGHT
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| 62 | if(cursorx == 11) break;
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| 63 | cursor(cursorx,cursory);
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| 64 | cursorx ++;
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| 65 | cursor(cursorx,cursory);
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| 66 | break;
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| 67 | case 0x42: //DOWN
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| 68 | if(cursory == 15) break;
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| 69 | cursor(cursorx,cursory);
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| 70 | cursory ++;
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| 71 | cursor(cursorx,cursory);
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| 72 | break;
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| 73 | case 0x52: //LEFT
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| 74 | if(cursorx == 0) break;
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| 75 | cursor(cursorx,cursory);
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| 76 | cursorx --;
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| 77 | cursor(cursorx,cursory);
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| 78 | break;
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| 79 | case 0x62: //UP
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| 80 | if (cursory == 0) break;
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| 81 | cursor(cursorx,cursory);
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| 82 | cursory --;
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| 83 | cursor(cursorx,cursory);
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| 84 | break;
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| 85 |
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| 86 | // TODO handle octave / width / more ?
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| 87 | default:
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| 88 | {
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| 89 | // direclty assigning from array to array generates buggy code
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| 90 | uint8_t note = notemap[k];
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| 91 | switch(cursorx)
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| 92 | {
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| 93 | case 0:
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| 94 | case 2:
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| 95 | case 4:
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| 96 | case 6:
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| 97 | music[cursorx][cursory] = note;
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| 98 | printnote(cursorx, cursory);
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| 99 | cursor(cursorx, cursory);
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| 100 | break;
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| 101 |
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| 102 | case 1:
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| 103 | case 3:
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| 104 | case 5:
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| 105 | case 7:
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| 106 | {
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| 107 | uint8_t channel = cursorx - 1;
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| 108 | if(k == 0x5E)
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| 109 | music[channel + 1][cursory] = 0;
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| 110 | else if (k == 0x4E)
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| 111 | music[channel + 1][cursory] = 1;
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| 112 | else if (k == 0x3E)
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| 113 | music[channel + 1][cursory] = 2;
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| 114 | else if (k == 0x2E)
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| 115 | music[channel + 1][cursory] = 3;
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| 116 | printnote(cursorx - 1, cursory);
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| 117 | cursor(cursorx, cursory);
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| 118 | }
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| 119 | }
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| 120 | break;
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| 121 | }
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| 122 | }
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| 123 | }
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| 124 | }
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| 125 |
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| 126 | // TODO extra widgets besides the tracker ? diskop, etc ?
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| 127 | }
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