/* * TIATables.cs * * Mask tables for the Television Interface Adaptor class. All derived from * Bradford Mott's Stella code. * * Copyright © 2003, 2004 Mike Murphy * */ namespace EMU7800.Core { public static class TIATables { public static readonly TIACxPairFlags[] CollisionMask = BuildCollisionMaskTable(); public static readonly uint[][] PFMask = BuildPFMaskTable(); public static readonly bool[][] BLMask = BuildBLMaskTable(); public static readonly bool[][][] MxMask = BuildMxMaskTable(); public static readonly byte[][][] PxMask = BuildPxMaskTable(); public static readonly byte[] GRPReflect = BuildGRPReflectTable(); public static readonly int[] NTSCPalette = { 0x000000, 0x000000, 0x4a4a4a, 0x4a4a4a, 0x6f6f6f, 0x6f6f6f, 0x8e8e8e, 0x8e8e8e, 0xaaaaaa, 0xaaaaaa, 0xc0c0c0, 0xc0c0c0, 0xd6d6d6, 0xd6d6d6, 0xececec, 0xececec, 0x484800, 0x484800, 0x69690f, 0x69690f, 0x86861d, 0x86861d, 0xa2a22a, 0xa2a22a, 0xbbbb35, 0xbbbb35, 0xd2d240, 0xd2d240, 0xe8e84a, 0xe8e84a, 0xfcfc54, 0xfcfc54, 0x7c2c00, 0x7c2c00, 0x904811, 0x904811, 0xa26221, 0xa26221, 0xb47a30, 0xb47a30, 0xc3903d, 0xc3903d, 0xd2a44a, 0xd2a44a, 0xdfb755, 0xdfb755, 0xecc860, 0xecc860, 0x901c00, 0x901c00, 0xa33915, 0xa33915, 0xb55328, 0xb55328, 0xc66c3a, 0xc66c3a, 0xd5824a, 0xd5824a, 0xe39759, 0xe39759, 0xf0aa67, 0xf0aa67, 0xfcbc74, 0xfcbc74, 0x940000, 0x940000, 0xa71a1a, 0xa71a1a, 0xb83232, 0xb83232, 0xc84848, 0xc84848, 0xd65c5c, 0xd65c5c, 0xe46f6f, 0xe46f6f, 0xf08080, 0xf08080, 0xfc9090, 0xfc9090, 0x840064, 0x840064, 0x97197a, 0x97197a, 0xa8308f, 0xa8308f, 0xb846a2, 0xb846a2, 0xc659b3, 0xc659b3, 0xd46cc3, 0xd46cc3, 0xe07cd2, 0xe07cd2, 0xec8ce0, 0xec8ce0, 0x500084, 0x500084, 0x68199a, 0x68199a, 0x7d30ad, 0x7d30ad, 0x9246c0, 0x9246c0, 0xa459d0, 0xa459d0, 0xb56ce0, 0xb56ce0, 0xc57cee, 0xc57cee, 0xd48cfc, 0xd48cfc, 0x140090, 0x140090, 0x331aa3, 0x331aa3, 0x4e32b5, 0x4e32b5, 0x6848c6, 0x6848c6, 0x7f5cd5, 0x7f5cd5, 0x956fe3, 0x956fe3, 0xa980f0, 0xa980f0, 0xbc90fc, 0xbc90fc, 0x000094, 0x000094, 0x181aa7, 0x181aa7, 0x2d32b8, 0x2d32b8, 0x4248c8, 0x4248c8, 0x545cd6, 0x545cd6, 0x656fe4, 0x656fe4, 0x7580f0, 0x7580f0, 0x8490fc, 0x8490fc, 0x001c88, 0x001c88, 0x183b9d, 0x183b9d, 0x2d57b0, 0x2d57b0, 0x4272c2, 0x4272c2, 0x548ad2, 0x548ad2, 0x65a0e1, 0x65a0e1, 0x75b5ef, 0x75b5ef, 0x84c8fc, 0x84c8fc, 0x003064, 0x003064, 0x185080, 0x185080, 0x2d6d98, 0x2d6d98, 0x4288b0, 0x4288b0, 0x54a0c5, 0x54a0c5, 0x65b7d9, 0x65b7d9, 0x75cceb, 0x75cceb, 0x84e0fc, 0x84e0fc, 0x004030, 0x004030, 0x18624e, 0x18624e, 0x2d8169, 0x2d8169, 0x429e82, 0x429e82, 0x54b899, 0x54b899, 0x65d1ae, 0x65d1ae, 0x75e7c2, 0x75e7c2, 0x84fcd4, 0x84fcd4, 0x004400, 0x004400, 0x1a661a, 0x1a661a, 0x328432, 0x328432, 0x48a048, 0x48a048, 0x5cba5c, 0x5cba5c, 0x6fd26f, 0x6fd26f, 0x80e880, 0x80e880, 0x90fc90, 0x90fc90, 0x143c00, 0x143c00, 0x355f18, 0x355f18, 0x527e2d, 0x527e2d, 0x6e9c42, 0x6e9c42, 0x87b754, 0x87b754, 0x9ed065, 0x9ed065, 0xb4e775, 0xb4e775, 0xc8fc84, 0xc8fc84, 0x303800, 0x303800, 0x505916, 0x505916, 0x6d762b, 0x6d762b, 0x88923e, 0x88923e, 0xa0ab4f, 0xa0ab4f, 0xb7c25f, 0xb7c25f, 0xccd86e, 0xccd86e, 0xe0ec7c, 0xe0ec7c, 0x482c00, 0x482c00, 0x694d14, 0x694d14, 0x866a26, 0x866a26, 0xa28638, 0xa28638, 0xbb9f47, 0xbb9f47, 0xd2b656, 0xd2b656, 0xe8cc63, 0xe8cc63, 0xfce070, 0xfce070 }; public static readonly int[] PALPalette = { 0x000000, 0x000000, 0x2b2b2b, 0x2b2b2b, 0x525252, 0x525252, 0x767676, 0x767676, 0x979797, 0x979797, 0xb6b6b6, 0xb6b6b6, 0xd2d2d2, 0xd2d2d2, 0xececec, 0xececec, 0x000000, 0x000000, 0x2b2b2b, 0x2b2b2b, 0x525252, 0x525252, 0x767676, 0x767676, 0x979797, 0x979797, 0xb6b6b6, 0xb6b6b6, 0xd2d2d2, 0xd2d2d2, 0xececec, 0xececec, 0x805800, 0x000000, 0x96711a, 0x2b2b2b, 0xab8732, 0x525252, 0xbe9c48, 0x767676, 0xcfaf5c, 0x979797, 0xdfc06f, 0xb6b6b6, 0xeed180, 0xd2d2d2, 0xfce090, 0xececec, 0x445c00, 0x000000, 0x5e791a, 0x2b2b2b, 0x769332, 0x525252, 0x8cac48, 0x767676, 0xa0c25c, 0x979797, 0xb3d76f, 0xb6b6b6, 0xc4ea80, 0xd2d2d2, 0xd4fc90, 0xececec, 0x703400, 0x000000, 0x89511a, 0x2b2b2b, 0xa06b32, 0x525252, 0xb68448, 0x767676, 0xc99a5c, 0x979797, 0xdcaf6f, 0xb6b6b6, 0xecc280, 0xd2d2d2, 0xfcd490, 0xececec, 0x006414, 0x000000, 0x1a8035, 0x2b2b2b, 0x329852, 0x525252, 0x48b06e, 0x767676, 0x5cc587, 0x979797, 0x6fd99e, 0xb6b6b6, 0x80ebb4, 0xd2d2d2, 0x90fcc8, 0xececec, 0x700014, 0x000000, 0x891a35, 0x2b2b2b, 0xa03252, 0x525252, 0xb6486e, 0x767676, 0xc95c87, 0x979797, 0xdc6f9e, 0xb6b6b6, 0xec80b4, 0xd2d2d2, 0xfc90c8, 0xececec, 0x005c5c, 0x000000, 0x1a7676, 0x2b2b2b, 0x328e8e, 0x525252, 0x48a4a4, 0x767676, 0x5cb8b8, 0x979797, 0x6fcbcb, 0xb6b6b6, 0x80dcdc, 0xd2d2d2, 0x90ecec, 0xececec, 0x70005c, 0x000000, 0x841a74, 0x2b2b2b, 0x963289, 0x525252, 0xa8489e, 0x767676, 0xb75cb0, 0x979797, 0xc66fc1, 0xb6b6b6, 0xd380d1, 0xd2d2d2, 0xe090e0, 0xececec, 0x003c70, 0x000000, 0x195a89, 0x2b2b2b, 0x2f75a0, 0x525252, 0x448eb6, 0x767676, 0x57a5c9, 0x979797, 0x68badc, 0xb6b6b6, 0x79ceec, 0xd2d2d2, 0x88e0fc, 0xececec, 0x580070, 0x000000, 0x6e1a89, 0x2b2b2b, 0x8332a0, 0x525252, 0x9648b6, 0x767676, 0xa75cc9, 0x979797, 0xb76fdc, 0xb6b6b6, 0xc680ec, 0xd2d2d2, 0xd490fc, 0xececec, 0x002070, 0x000000, 0x193f89, 0x2b2b2b, 0x2f5aa0, 0x525252, 0x4474b6, 0x767676, 0x578bc9, 0x979797, 0x68a1dc, 0xb6b6b6, 0x79b5ec, 0xd2d2d2, 0x88c8fc, 0xececec, 0x340080, 0x000000, 0x4a1a96, 0x2b2b2b, 0x5f32ab, 0x525252, 0x7248be, 0x767676, 0x835ccf, 0x979797, 0x936fdf, 0xb6b6b6, 0xa280ee, 0xd2d2d2, 0xb090fc, 0xececec, 0x000088, 0x000000, 0x1a1a9d, 0x2b2b2b, 0x3232b0, 0x525252, 0x4848c2, 0x767676, 0x5c5cd2, 0x979797, 0x6f6fe1, 0xb6b6b6, 0x8080ef, 0xd2d2d2, 0x9090fc, 0xececec, 0x000000, 0x000000, 0x2b2b2b, 0x2b2b2b, 0x525252, 0x525252, 0x767676, 0x767676, 0x979797, 0x979797, 0xb6b6b6, 0xb6b6b6, 0xd2d2d2, 0xd2d2d2, 0xececec, 0xececec, 0x000000, 0x000000, 0x2b2b2b, 0x2b2b2b, 0x525252, 0x525252, 0x767676, 0x767676, 0x979797, 0x979797, 0xb6b6b6, 0xb6b6b6, 0xd2d2d2, 0xd2d2d2, 0xececec, 0xececec }; static uint[][] BuildPFMaskTable() { var tabl = new uint[2][]; tabl[0] = new uint[160]; tabl[1] = new uint[160]; for (var i = 0; i < 20; i++) { uint mask = 0; if (i < 4) { mask = (uint)(1 << i); } else if (i < 12) { mask = (uint)(1 << (11 + 4 - i)); } else if (i < 20) { mask = (uint)(1 << i); } for (var j = 0; j < 4; j++) { // for non-reflected mode tabl[0][4 * i + j] = mask; tabl[0][80 + 4 * i + j] = mask; // for reflected mode tabl[1][4 * i + j] = mask; tabl[1][159 - 4 * i - j] = mask; } } return tabl; } static bool[][] BuildBLMaskTable() { var tabl = new bool[4][]; for (var size = 0; size < 4; size++) { tabl[size] = new bool[160]; for (var i = 0; i < 160; i++) { tabl[size][i] = false; } for (var i = 0; i < (1 << size); i++) { tabl[size][i] = true; } } return tabl; } static bool[][][] BuildMxMaskTable() { var tabl = new bool[4][][]; for (var i = 0; i < 4; i++) { tabl[i] = new bool[8][]; for (var j = 0; j < 8; j++) { tabl[i][j] = new bool[160]; for (var k = 0; k < 160; k++) { tabl[i][j][k] = false; } } } for (var size = 0; size < 4; size++) { for (var i = 0; i < (1 << size); i++) { tabl[size][0][i] = true; tabl[size][1][i] = true; tabl[size][1][i + 16] = true; tabl[size][2][i] = true; tabl[size][2][i + 32] = true; tabl[size][3][i] = true; tabl[size][3][i + 16] = true; tabl[size][3][i + 32] = true; tabl[size][4][i] = true; tabl[size][4][i + 64] = true; tabl[size][5][i] = true; tabl[size][6][i] = true; tabl[size][6][i + 32] = true; tabl[size][6][i + 64] = true; tabl[size][7][i] = true; } } return tabl; } static byte[][][] BuildPxMaskTable() { // [suppress mode, nusiz, pixel] // suppress=1: suppress on // suppress=0: suppress off var tabl = new byte[2][][]; //2 8 160 tabl[0] = new byte[8][]; tabl[1] = new byte[8][]; for (var nusiz = 0; nusiz < 8; nusiz++) { tabl[0][nusiz] = new byte[160]; tabl[1][nusiz] = new byte[160]; for (var hpos = 0; hpos < 160; hpos++) { // nusiz: // 0: one copy // 1: two copies-close // 2: two copies-med // 3: three copies-close // 4: two copies-wide // 5: double size player // 6: 3 copies medium // 7: quad sized player tabl[0][nusiz][hpos] = tabl[1][nusiz][hpos] = 0; if (nusiz >= 0 && nusiz <= 4 || nusiz == 6) { if (hpos >= 0 && hpos < 8) { tabl[0][nusiz][hpos] = (byte)(1 << (7 - hpos)); } } if (nusiz == 1 || nusiz == 3) { if (hpos >= 16 && hpos < 24) { tabl[0][nusiz][hpos] = (byte)(1 << (23 - hpos)); tabl[1][nusiz][hpos] = (byte)(1 << (23 - hpos)); } } if (nusiz == 2 || nusiz == 3 || nusiz == 6) { if (hpos >= 32 && hpos < 40) { tabl[0][nusiz][hpos] = (byte)(1 << (39 - hpos)); tabl[1][nusiz][hpos] = (byte)(1 << (39 - hpos)); } } if (nusiz == 4 || nusiz == 6) { if (hpos >= 64 && hpos < 72) { tabl[0][nusiz][hpos] = (byte)(1 << (71 - hpos)); tabl[1][nusiz][hpos] = (byte)(1 << (71 - hpos)); } } if (nusiz == 5) { if (hpos >= 0 && hpos < 16) { tabl[0][nusiz][hpos] = (byte)(1 << ((15 - hpos) >> 1)); } } if (nusiz == 7) { if (hpos >= 0 && hpos < 32) { tabl[0][nusiz][hpos] = (byte)(1 << ((31 - hpos) >> 2)); } } } var shift = nusiz == 5 || nusiz == 7 ? 2 : 1; while (shift-- > 0) { for (var i = 159; i > 0; i--) { tabl[0][nusiz][i] = tabl[0][nusiz][i - 1]; tabl[1][nusiz][i] = tabl[1][nusiz][i - 1]; } tabl[0][nusiz][0] = tabl[1][nusiz][0] = 0; } } return tabl; } static byte[] BuildGRPReflectTable() { var tabl = new byte[256]; for (var i = 0; i < 256; i++) { var s = (byte)i; var r = (byte)0; for (var j = 0; j < 8; j++) { r <<= 1; r |= (byte)(s & 1); s >>= 1; } tabl[i] = r; } return tabl; } static bool tstCx(int i, TIACxFlags cxf1, TIACxFlags cxf2) { var f1 = (int)cxf1; var f2 = (int)cxf2; return ((i & f1) != 0) && ((i & f2) != 0); } static TIACxPairFlags[] BuildCollisionMaskTable() { var tabl = new TIACxPairFlags[64]; for (var i = 0; i < 64; i++) { tabl[i] = 0; if (tstCx(i, TIACxFlags.M0, TIACxFlags.P1)) { tabl[i] |= TIACxPairFlags.M0P1; } if (tstCx(i, TIACxFlags.M0, TIACxFlags.P0)) { tabl[i] |= TIACxPairFlags.M0P0; } if (tstCx(i, TIACxFlags.M1, TIACxFlags.P0)) { tabl[i] |= TIACxPairFlags.M1P0; } if (tstCx(i, TIACxFlags.M1, TIACxFlags.P1)) { tabl[i] |= TIACxPairFlags.M1P1; } if (tstCx(i, TIACxFlags.P0, TIACxFlags.PF)) { tabl[i] |= TIACxPairFlags.P0PF; } if (tstCx(i, TIACxFlags.P0, TIACxFlags.BL)) { tabl[i] |= TIACxPairFlags.P0BL; } if (tstCx(i, TIACxFlags.P1, TIACxFlags.PF)) { tabl[i] |= TIACxPairFlags.P1PF; } if (tstCx(i, TIACxFlags.P1, TIACxFlags.BL)) { tabl[i] |= TIACxPairFlags.P1BL; } if (tstCx(i, TIACxFlags.M0, TIACxFlags.PF)) { tabl[i] |= TIACxPairFlags.M0PF; } if (tstCx(i, TIACxFlags.M0, TIACxFlags.BL)) { tabl[i] |= TIACxPairFlags.M0BL; } if (tstCx(i, TIACxFlags.M1, TIACxFlags.PF)) { tabl[i] |= TIACxPairFlags.M1PF; } if (tstCx(i, TIACxFlags.M1, TIACxFlags.BL)) { tabl[i] |= TIACxPairFlags.M1BL; } if (tstCx(i, TIACxFlags.BL, TIACxFlags.PF)) { tabl[i] |= TIACxPairFlags.BLPF; } if (tstCx(i, TIACxFlags.P0, TIACxFlags.P1)) { tabl[i] |= TIACxPairFlags.P0P1; } if (tstCx(i, TIACxFlags.M0, TIACxFlags.M1)) { tabl[i] |= TIACxPairFlags.M0M1; } } return tabl; } } }