![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to lunafb.h CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [Isaki's NoNo m68k/m88k emulator] / nono / vm|
Return to lunafb.h CVS log | Up to [Isaki's NoNo m68k/m88k emulator] / nono / vm |
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: #include "monitor.h"
15:
1.1.1.2 ! root 16: // VRAM の ROP (定数)
! 17: struct ROP {
! 18: static const uint ZERO = 0; // 0
! 19: static const uint AND1 = 1; // vram & data
! 20: static const uint AND2 = 2; // vram & ~data
! 21: static const uint cmd = 3;
! 22: static const uint AND3 = 4; // ~vram & data
! 23: static const uint THRU = 5; // data
! 24: static const uint EOR = 6; // vram ^ data
! 25: static const uint OR1 = 7; // vram | data
! 26: static const uint NOR = 8; // ~vram | ~data
! 27: static const uint ENOR = 9; // (vram & data) | (~vram & ~data)
! 28: static const uint INV1 = 10; // ~data
! 29: static const uint OR2 = 11; // vram | ~data
! 30: static const uint INV2 = 12; // ~vram
! 31: static const uint OR3 = 13; // ~vram | data
! 32: static const uint NAND = 14; // ~vram | ~data
! 33: static const uint ONE = 15; // 1
! 34: };
! 35:
! 36: class LunafbDevice : public PlaneVRAMDevice
1.1 root 37: {
1.1.1.2 ! root 38: using inherited = PlaneVRAMDevice;
1.1 root 39:
40: static const uint32 plane0base = 0xb10c0000;
41: static const uint32 plane7end = 0xb12c0000;
42: static const uint32 fcset0base = 0xb1300000;
43: static const uint32 fcset7end = 0xb1500000;
1.1.1.2 ! root 44:
! 45: // プレーン数の上限
! 46: static const int MAX_PLANES = 8;
! 47:
1.1 root 48: public:
49: LunafbDevice();
50: virtual ~LunafbDevice() override;
51:
52: bool Init() override;
1.1.1.2 ! root 53: void ResetHard(bool poweron) override;
1.1 root 54:
55: uint64 Read8(uint32 addr) override;
56: uint64 Read16(uint32 addr) override;
57: uint64 Read32(uint32 addr) override;
58: uint64 Write8(uint32 addr, uint32 data) override;
59: uint64 Write16(uint32 addr, uint32 data) override;
60: uint64 Write32(uint32 addr, uint32 data) override;
61: uint64 Peek8(uint32 addr) override;
62:
63: // エミュレータによる出力
1.1.1.2 ! root 64: void EmuInitScreen();
! 65: void EmuFill(uint x, uint y, uint w, uint h, uint32 data);
! 66: void EmuPutc(uint x, uint y, uint c);
! 67: void EmuPutc(uint x, uint y, uint c, int rop);
! 68: void EmuScrollY(uint dy, uint sy, uint h);
1.1 root 69:
70: private:
1.1.1.2 ! root 71: // offset の VRAM が変更されたことを記録する
! 72: inline void SetDirty(uint32 offset);
! 73:
1.1 root 74: void WriteRFCNT(uint32);
75: void WriteCommonBitmap8(uint32, uint32);
76: void WriteCommonBitmap16(uint32, uint32);
77: void WriteCommonBitmap32(uint32, uint32);
1.1.1.2 ! root 78: void WriteCommonFCSet(uint rop, uint32 data);
1.1 root 79: void WritePlane8(uint, uint32, uint32);
80: void WritePlane16(uint, uint32, uint32);
81: void WritePlane32(uint, uint32, uint32);
82:
83: DECLARE_MONITOR_CALLBACK(MonitorUpdate);
84:
1.1.1.2 ! root 85: // 演算
! 86: static uint32 RasterOp(uint rop, uint32 vram, uint32 data);
! 87:
1.1 root 88: // ROP 文字列を返す
89: static const char *RopStr(uint rop);
90:
91: // 現在のプレーン数でのプレーンの終了アドレス
92: uint32 plane_end {};
93:
94: // RFCNT
1.1.1.2 ! root 95: //
! 96: // 3 2 1 0
! 97: // 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
! 98: // +---------------+---------------+-----------+---+---------------+
! 99: // | 無効 | 水平カウンタ | 無効 | ラスタカウンタ |
! 100: // +---------------+---------------+-----------+---+---------------+
1.1 root 101: uint32 rfcnt {};
1.1.1.2 ! root 102: // 親クラスにある
! 103: // int xscroll {};
! 104: // int yscroll {};
1.1 root 105:
106: // プレーンセレクタ
1.1.1.2 ! root 107: //
! 108: // 3 2 1 0
! 109: // 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
! 110: // +---------------+---------------+---------------+-------+-+-+-+-+
! 111: // | 無効 |3|2|1|0|
! 112: // +---------------+---------------+---------------+-------+-+-+-+-+
! 113: // | | | |
! 114: // プレーンN (%1 = 同時設定/書き込み有効、%0=無効) --------+-+-+-+
1.1 root 115:
1.1.1.2 ! root 116: uint32 bmsel {};
1.1 root 117:
118: // ファンクションセットとアクセスマスク
1.1.1.2 ! root 119: uint fcset[MAX_PLANES] {};
! 120: uint32 fcmask[MAX_PLANES] {};
1.1 root 121:
122: Monitor monitor { this };
123: };
124:
1.1.1.2 ! root 125: #define gLunafb (dynamic_cast<LunafbDevice *>(gPlaneVRAM))
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.