jurjen.ladeniusandClaude Opus 4.8
f3340e86c6
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
311 lines
8.6 KiB
C
311 lines
8.6 KiB
C
// ____________________________
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// ██▀▀█▀▀██▀▀▀▀▀▀▀█▀▀█ │ ▄▄▄ ▄▄
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// ██ ▀ █▄ ▀██▄ ▀ ▄█ ▄▀▀ █ │ ▀█▄ ▄▀██ ▄█▄█ ██▀▄ ██ ▄███
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// █ █ █ ▀▀ ▄█ █ █ ▀▄█ █▄ │ ▄▄█▀ ▀▄██ ██ █ ██▀ ▀█▄ ▀█▄▄
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// ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀────────┘ ▀▀
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// Data un-compressor sample
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//─────────────────────────────────────────────────────────────────────────────
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//=============================================================================
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// INCLUDES
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//=============================================================================
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#include "msxgl.h"
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#include "dos.h"
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#include "compress/zx0.h"
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#include "compress/lz48.h"
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#include "compress/bitbuster.h"
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#include "compress/bitbuster2.h"
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#include "compress/pletter.h"
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//=============================================================================
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// DEFINES
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//=============================================================================
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#define IMAGE_X (128-8)
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#define IMAGE_Y 24
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#define IMAGE_W 128
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#define IMAGE_H 128
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#define MENU_X (8+4)
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#define MENU_Y (24+8+4)
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// Callback signature
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typedef u16 (*loader)(const c8*);
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// Compress data table
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struct Entry
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{
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const c8* Name;
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const u8* File;
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loader Loader;
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};
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// Prototypes
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u16 LoadRaw(const c8* filename);
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u16 LoadRLEp(const c8* filename);
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u16 LoadXZ0(const c8* filename);
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u16 LoadLZ48(const c8* filename);
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u16 LoadBitbuster(const c8* filename);
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u16 LoadBitbuster2(const c8* filename);
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u16 LoadPletter(const c8* filename);
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//=============================================================================
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// READ-ONLY DATA
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//=============================================================================
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// Fonts
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#include "font/font_mgl_sample8.h"
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// Animation characters
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const u8 g_ChrAnim[] = { '|', '\\', '-', '/' };
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// Compressor name
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const struct Entry g_Compressors[] =
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{
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{ "Raw", "DATA10 BIN", LoadRaw },
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{ "RLEp", "DATA10 RLE", LoadRLEp },
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{ "ZX0", "DATA10 ZX0", LoadXZ0 },
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{ "LZ48", "DATA10 Z48", LoadLZ48 },
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{ "Bitbuster", "DATA10 PCK", LoadBitbuster },
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{ "Bitbuster2", "DATA10 BB2", LoadBitbuster2 },
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{ "Pletter", "DATA10 PL5", LoadPletter },
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};
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//
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u16 g_Compression;
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//=============================================================================
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//
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//=============================================================================
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u8 g_UnpackBuffer[8*1024];
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u8 g_LoadBuffer[6*1024];
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//=============================================================================
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// HELPER FUNCTIONS
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//=============================================================================
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//-----------------------------------------------------------------------------
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//
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u16 Load(const c8* filename, u8* buffer)
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{
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FCB file;
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// Open File
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Mem_Set(0, &file, sizeof(FCB));
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Mem_Copy(filename, &file.Name, 11);
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DOS_Open(&file);
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// Read file and copy content into VRAM
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for (u16 i = 0; i < file.Size; i += 128)
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{
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DOS_SetTransferAddr(buffer);
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DOS_SequentialRead(&file);
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buffer += 128;
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}
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DOS_Close(&file);
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return file.Size;
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}
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//-----------------------------------------------------------------------------
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//
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u16 LoadRaw(const c8* filename)
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{
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u16 size = Load(filename, g_UnpackBuffer);
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g_Compression = 0;
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return 0;
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}
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//-----------------------------------------------------------------------------
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//
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u16 LoadRLEp(const c8* filename)
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{
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u16 size = Load(filename, g_LoadBuffer);
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g_Compression = 100 - (size / 82);
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u16 time = g_JIFFY;
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RLEp_UnpackToRAM(g_LoadBuffer, g_UnpackBuffer);
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return g_JIFFY - time;
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}
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//-----------------------------------------------------------------------------
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//
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u16 LoadXZ0(const c8* filename)
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{
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u16 size = Load(filename, g_LoadBuffer);
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g_Compression = 100 - (size / 82);
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u16 time = g_JIFFY;
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ZX0_UnpackToRAM(g_LoadBuffer, g_UnpackBuffer);
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return g_JIFFY - time;
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}
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//-----------------------------------------------------------------------------
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//
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u16 LoadLZ48(const c8* filename)
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{
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u16 size = Load(filename, g_LoadBuffer);
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g_Compression = 100 - (size / 82);
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u16 time = g_JIFFY;
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LZ48_UnpackToRAM(g_LoadBuffer, g_UnpackBuffer);
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return g_JIFFY - time;
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}
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//-----------------------------------------------------------------------------
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//
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u16 LoadBitbuster(const c8* filename)
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{
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u16 size = Load(filename, g_LoadBuffer);
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g_Compression = 100 - (size / 82);
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u16 time = g_JIFFY;
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Bitbuster_UnpackToRAM(g_LoadBuffer, g_UnpackBuffer);
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return g_JIFFY - time;
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}
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//-----------------------------------------------------------------------------
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//
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u16 LoadBitbuster2(const c8* filename)
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{
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u16 size = Load(filename, g_LoadBuffer);
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g_Compression = 100 - (size / 82);
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u16 time = g_JIFFY;
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Bitbuster2_UnpackToRAM(g_LoadBuffer, g_UnpackBuffer);
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return g_JIFFY - time;
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}
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//-----------------------------------------------------------------------------
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//
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u16 LoadPletter(const c8* filename)
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{
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u16 size = Load(filename, g_LoadBuffer);
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g_Compression = 100 - (size / 82);
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u16 time = g_JIFFY;
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Pletter_UnpackToRAM(g_LoadBuffer, g_UnpackBuffer);
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return g_JIFFY - time;
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}
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//-----------------------------------------------------------------------------
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//
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void LoadAndUnpack(u8 id)
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{
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VDP_SetSpriteUniColor(0, COLOR_LIGHT_RED);
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// Clean
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VDP_CommandHMMV(IMAGE_X, IMAGE_Y, IMAGE_W, IMAGE_H, 0x11);
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// Load
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u16 time = g_Compressors[id].Loader(g_Compressors[id].File);
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// Draw
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u8* src = g_UnpackBuffer;
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u16 dest = g_ScreenLayoutLow + (IMAGE_X/2) + (IMAGE_Y*128);
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for (u8 y = 0; y < IMAGE_H; ++y)
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{
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VDP_WriteVRAM(src, dest, 0, IMAGE_W/2);
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src += IMAGE_W/2;
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dest += 256/2;
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}
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VDP_CommandHMMV(0, 128, 128-16, 16, 0x44);
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Print_SetPosition(0, 128);
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Print_DrawText("Time:");
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Print_DrawInt(time);
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Print_SetPosition(0, (u8)(128+8));
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Print_DrawText("Ratio:");
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Print_DrawInt(g_Compression);
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Print_DrawText("%");
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VDP_SetSpriteUniColor(0, COLOR_WHITE);
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}
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//-----------------------------------------------------------------------------
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//
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void DisplayPage()
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{
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VDP_CommandHMMV(0, 0, 256, 212, 0x44);
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VDP_CommandHMMV(IMAGE_X, IMAGE_Y, IMAGE_W, IMAGE_H, 0x11);
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Print_SetPosition(0, 0);
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Print_DrawText("\x2\x3\x4\x5 COMPRESS SAMPLE");
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Draw_LineH(0, 255, 8+4, 0x0F, 0);
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Print_SetPosition(0, 24);
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Print_DrawText("Compressors:");
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for (u8 i = 0; i < numberof(g_Compressors); ++i)
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{
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Print_SetPosition(MENU_X, MENU_Y + (i * 8));
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Print_DrawText(g_Compressors[i].Name);
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}
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Draw_Box(IMAGE_X - 2, IMAGE_Y - 2, (u8)(IMAGE_X + IMAGE_W + 1), (u8)(IMAGE_Y + IMAGE_H + 1), 0x0F, 0);
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Draw_LineH(0, 255, (u8)(212-8-4), 0x0F, 0);
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Print_SetPosition(0, (u8)(212-8));
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Print_DrawText("\x82:Select \x83:Load");
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}
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//=============================================================================
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// MAIN LOOP
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//=============================================================================
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//-----------------------------------------------------------------------------
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// Program entry point
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void main()
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{
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// Init VDP
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VDP_SetMode(VDP_MODE_SCREEN5);
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VDP_SetColor(0x4);
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// Init font
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Print_SetBitmapFont(g_Font_MGL_Sample8);
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// Init sprite
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VDP_SetSpriteFlag(VDP_SPRITE_SIZE_8 + VDP_SPRITE_SCALE_1);
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VDP_LoadSpritePattern(g_Font_MGL_Sample8 + 4, 0, g_Font_MGL_Sample8[3] - g_Font_MGL_Sample8[2]);
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VDP_SetSpriteExUniColor(0, 2, MENU_Y - 1, '\x80', COLOR_WHITE);
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VDP_DisableSpritesFrom(1);
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DisplayPage();
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u8 compId = 0;
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u8 count = 0;
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u8 prevRow8 = 0xFF;
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while (!Keyboard_IsKeyPressed(KEY_ESC))
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{
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Halt();
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VDP_SetSpritePositionY(0, MENU_Y - 1 + compId * 8);
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Print_SetPosition(256-8, 0);
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Print_DrawChar(g_ChrAnim[count++ & 0x03]);
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// Handle input
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u8 row8 = Keyboard_Read(8);
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if (IS_KEY_PRESSED(row8, KEY_UP) && !IS_KEY_PRESSED(prevRow8, KEY_UP))
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{
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if (compId == 0)
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compId = numberof(g_Compressors) - 1;
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else
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compId--;
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}
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else if (IS_KEY_PRESSED(row8, KEY_DOWN) && !IS_KEY_PRESSED(prevRow8, KEY_DOWN))
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{
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if (compId == numberof(g_Compressors) - 1)
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compId = 0;
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else
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compId++;
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}
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if (IS_KEY_PRESSED(row8, KEY_SPACE) && !IS_KEY_PRESSED(prevRow8, KEY_SPACE))
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{
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LoadAndUnpack(compId);
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}
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prevRow8 = row8;
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}
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BIOS_Exit(0);
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} |