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1.1 root 1: //
2: // nono
3: // Copyright (C) 2020 nono project
4: // Licensed under nono-license.txt
5: //
6:
1.1.1.2 root 7: //
8: // LUNA ビットマッププレーン
9: //
10:
1.1 root 11: #pragma once
12:
1.1.1.2 root 13: #include "planevram.h"
1.1 root 14:
1.1.1.2 root 15: // VRAM の ROP (定数)
16: struct ROP {
17: static const uint ZERO = 0; // 0
18: static const uint AND1 = 1; // vram & data
19: static const uint AND2 = 2; // vram & ~data
20: static const uint cmd = 3;
21: static const uint AND3 = 4; // ~vram & data
22: static const uint THRU = 5; // data
23: static const uint EOR = 6; // vram ^ data
24: static const uint OR1 = 7; // vram | data
25: static const uint NOR = 8; // ~vram | ~data
26: static const uint ENOR = 9; // (vram & data) | (~vram & ~data)
27: static const uint INV1 = 10; // ~data
28: static const uint OR2 = 11; // vram | ~data
29: static const uint INV2 = 12; // ~vram
30: static const uint OR3 = 13; // ~vram | data
31: static const uint NAND = 14; // ~vram | ~data
32: static const uint ONE = 15; // 1
33: };
34:
35: class LunafbDevice : public PlaneVRAMDevice
1.1 root 36: {
1.1.1.2 root 37: using inherited = PlaneVRAMDevice;
1.1 root 38:
39: static const uint32 plane0base = 0xb10c0000;
40: static const uint32 plane7end = 0xb12c0000;
41: static const uint32 fcset0base = 0xb1300000;
42: static const uint32 fcset7end = 0xb1500000;
1.1.1.2 root 43:
44: // プレーン数の上限
1.1.1.6 root 45: static const uint MAX_PLANES = 8;
1.1.1.2 root 46:
1.1 root 47: public:
48: LunafbDevice();
1.1.1.5 root 49: ~LunafbDevice() override;
1.1 root 50:
51: bool Init() override;
1.1.1.2 root 52: void ResetHard(bool poweron) override;
1.1 root 53:
1.1.1.6 root 54: busdata Read(busaddr addr) override;
55: busdata Write(busaddr addr, uint32 data) override;
56: busdata Peek1(uint32 addr) override;
57: bool Poke1(uint32 addr, uint32 data) override;
1.1.1.4 root 58:
59: void UpdateInfo(TextScreen&, int x, int y) const override;
1.1 root 60:
61: // エミュレータによる出力
1.1.1.2 root 62: void EmuInitScreen();
63: void EmuFill(uint x, uint y, uint w, uint h, uint32 data);
64: void EmuPutc(uint x, uint y, uint c);
1.1.1.6 root 65: void EmuPutc(uint x, uint y, uint c, uint rop);
1.1.1.2 root 66: void EmuScrollY(uint dy, uint sy, uint h);
1.1.1.5 root 67: void SetBMSEL(uint8 bmsel_) { bmsel = bmsel_; }
1.1 root 68:
69: private:
1.1.1.2 root 70: // offset の VRAM が変更されたことを記録する
71: inline void SetDirty(uint32 offset);
72:
1.1.1.4 root 73: // X 方向にはみ出したときに対応する仮想画面の Y 座標を返す。
74: int GetWrapY(int y) const override;
75:
1.1.1.6 root 76: busdata WriteReg(busaddr addr, uint32 data);
1.1 root 77: void WriteRFCNT(uint32);
78: void WriteCommonBitmap8(uint32, uint32);
79: void WriteCommonBitmap16(uint32, uint32);
80: void WriteCommonBitmap32(uint32, uint32);
1.1.1.2 root 81: void WriteCommonFCSet(uint rop, uint32 data);
1.1 root 82: void WritePlane8(uint, uint32, uint32);
83: void WritePlane16(uint, uint32, uint32);
84: void WritePlane32(uint, uint32, uint32);
85:
1.1.1.8 ! root 86: DECLARE_MONITOR_SCREEN(MonitorScreen);
1.1 root 87:
1.1.1.2 root 88: // 演算
89: static uint32 RasterOp(uint rop, uint32 vram, uint32 data);
90:
1.1 root 91: // ROP 文字列を返す
92: static const char *RopStr(uint rop);
93:
94: // 現在のプレーン数でのプレーンの終了アドレス
95: uint32 plane_end {};
1.1.1.3 root 96: // 現在のプレーン数での FCSet の(ブロック単位での)最終アドレス
97: uint32 fcset_end {};
1.1 root 98:
99: // RFCNT
1.1.1.2 root 100: //
101: // 3 2 1 0
102: // 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
103: // +---------------+---------------+-----------+---+---------------+
104: // | 無効 | 水平カウンタ | 無効 | ラスタカウンタ |
105: // +---------------+---------------+-----------+---+---------------+
1.1 root 106: uint32 rfcnt {};
1.1.1.2 root 107: // 親クラスにある
108: // int xscroll {};
109: // int yscroll {};
1.1 root 110:
111: // プレーンセレクタ
1.1.1.2 root 112: //
113: // 3 2 1 0
114: // 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
115: // +---------------+---------------+---------------+-------+-+-+-+-+
116: // | 無効 |3|2|1|0|
117: // +---------------+---------------+---------------+-------+-+-+-+-+
118: // | | | |
119: // プレーンN (%1 = 同時設定/書き込み有効、%0=無効) --------+-+-+-+
1.1 root 120:
1.1.1.2 root 121: uint32 bmsel {};
1.1 root 122:
123: // ファンクションセットとアクセスマスク
1.1.1.2 root 124: uint fcset[MAX_PLANES] {};
125: uint32 fcmask[MAX_PLANES] {};
1.1 root 126:
1.1.1.5 root 127: // ウェイト [nsec]
128: busdata wait {};
129:
1.1.1.7 root 130: Monitor *monitor {};
1.1 root 131: };
132:
1.1.1.8 ! root 133: inline LunafbDevice *GetLunafbDevice() {
1.1.1.4 root 134: return Object::GetObject<LunafbDevice>(OBJ_PLANEVRAM);
135: }
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