jurjen.ladeniusandClaude Opus 4.8
f3340e86c6
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
375 lines
10 KiB
C
375 lines
10 KiB
C
// ____________________________
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// ██▀▀█▀▀██▀▀▀▀▀▀▀█▀▀█ │ ▄▄▄ ▄▄
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// ██ ▀ █▄ ▀██▄ ▀ ▄█ ▄▀▀ █ │ ▀█▄ ▄▀██ ▄█▄█ ██▀▄ ██ ▄███
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// █ █ █ ▀▀ ▄█ █ █ ▀▄█ █▄ │ ▄▄█▀ ▀▄██ ██ █ ██▀ ▀█▄ ▀█▄▄
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// ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀────────┘ ▀▀
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// Draw functiosn sample
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//─────────────────────────────────────────────────────────────────────────────
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// #pragma sdcc_hash +
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//=============================================================================
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// INCLUDES
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//=============================================================================
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#include "msxgl.h"
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//=============================================================================
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// DEFINES
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//=============================================================================
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// Library's logo
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#define MSX_GL6 "\x01\x02\x03\x04\x05\x06"
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#define MSX_GL8 "\x02\x03\x04\x05 "
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// Screen setting
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struct ScreenSetting
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{
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// Setup
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const c8* Name;
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u8 Mode;
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u16 Width;
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u8 BPC;
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// Colors
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u8 Text;
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u8 Background;
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u8 Red;
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u8 White;
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u8 Gray;
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u8 Black;
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// Data
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const u8* Font;
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const u8* Data;
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const u8* DataLMMC;
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const u16* Palette;
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const c8* Title;
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};
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// Screen setting
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struct PaletteInfo
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{
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const u16* Data;
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const c8* Name;
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};
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//
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struct DrawData
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{
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u16 x1, y1, x2, y2;
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u8 color;
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};
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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_sample6.h"
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#include "font/font_mgl_sample8.h"
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// Screen mode settings
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const struct ScreenSetting g_Settings[] =
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{ // Name Mode Width BPC Txt BG Red White Gray Black Font Data DataLMMC Palette
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{ "Screen 5 (G4)", VDP_MODE_SCREEN5, 256, 4, 0xFF, 0x44, 0x88, 0xFF, 0x11, 0x11, g_Font_MGL_Sample6, NULL, NULL, NULL, MSX_GL6 }, // 0
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{ "Screen 6 (G5)", VDP_MODE_SCREEN6, 512, 2, 0xFF, 0xAA, 0x55, 0xFF, 0xAA, 0x55, g_Font_MGL_Sample8, NULL, NULL, NULL, MSX_GL8 }, // 1
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{ "Screen 7 (G6)", VDP_MODE_SCREEN7, 512, 4, 0xFF, 0x44, 0x88, 0xFF, 0x11, 0x11, g_Font_MGL_Sample8, NULL, NULL, NULL, MSX_GL8 }, // 2
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{ "Screen 8 (G7)", VDP_MODE_SCREEN8, 256, 8, 0xFF, 0x47, 0x1C, 0xFF, 0x6D, 0x00, g_Font_MGL_Sample6, NULL, NULL, NULL, MSX_GL6 }, // 3
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};
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// Palette
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#include "palette/pal_msx2.h"
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#include "palette/pal_msx1.h"
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#include "palette/pal_db16.h"
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#include "palette/pal_sweetie.h"
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#include "palette/pal_wad.h"
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#include "palette/pal_c64.h"
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#include "palette/pal_ega.h"
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#include "palette/pal_intellivision.h"
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#include "palette/pal_mac2.h"
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#include "palette/pal_mo5.h"
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#include "palette/pal_os2.h"
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#include "palette/pal_risc.h"
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#include "palette/pal_scv.h"
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#include "palette/pal_vic20.h"
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// Palette data
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const struct PaletteInfo g_Palettes[] =
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{
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{ g_PaletteMSX2, "V9998" },
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{ g_PaletteMSX1, "TMS9918" },
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{ g_PaletteDB16, "DB16" },
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{ g_PaletteSweetie, "Sweetie" },
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{ g_PaletteWad, "Wad" },
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{ g_PaletteC64, "C64" },
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{ g_PaletteEGA, "EGA" },
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{ g_PaletteIV, "Intellivision" },
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{ g_PaletteMac2, "Mac II" },
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{ g_PaletteMO5, "MO5" },
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{ g_PaletteOS2, "OS/2" },
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{ g_PaletteRisc, "RISC" },
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{ g_PaletteSCV, "SCV" },
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{ g_PaletteVIC20, "VIC-20" },
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};
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// Character animation
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const u8 chrAnim[] = { '|', '\\', '-', '/' };
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//=============================================================================
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// MEMORY DATA
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//=============================================================================
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// Screen mode setting index
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u8 g_SrcModeIndex = 0;
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u8 g_PalIndex = 1;
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u8 g_VBlank = 0;
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u8 g_Frame = 0;
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// Draw data
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struct DrawData g_Data;
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//=============================================================================
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// HELPER FUNCTIONS
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//=============================================================================
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//-----------------------------------------------------------------------------
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// Generate random data into a given frame
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void RandomizeData(u16 minX, u16 minY)
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{
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u16 rnd = Math_GetRandom16();
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g_Data.x1 = rnd >> 8;
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g_Data.x2 = rnd & 0x00FF;
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if (g_Settings[g_SrcModeIndex].Width == 256)
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{
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g_Data.x1 >>= 1;
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g_Data.x2 >>= 1;
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}
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g_Data.x1 += minX;
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g_Data.x2 += minX;
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rnd = Math_GetRandom16();
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g_Data.y1 = rnd >> 8;
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g_Data.y2 = rnd & 0x00FF;
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while (g_Data.y1 > 98)
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g_Data.y1 -= 98;
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while (g_Data.y2 > 98)
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g_Data.y2 -= 98;
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g_Data.y1 += minY;
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g_Data.y2 += minY;
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rnd = Math_GetRandom16();
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g_Data.color = rnd & 0x00FF;
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if (g_Data.color == 0)
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g_Data.color++;
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}
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//-----------------------------------------------------------------------------
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// Display screen mode data
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void DisplayPage()
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{
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const struct ScreenSetting* src = &g_Settings[g_SrcModeIndex];
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const struct PaletteInfo* pal = &g_Palettes[g_PalIndex];
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u8* buffer = Mem_HeapAlloc(256);
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u16 blockWidth = 16 * 256 / src->Width;
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u16 blockBytes = 16 / 8 * src->BPC;
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u16 lineBytes = src->Width / 8 * src->BPC;
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u8 scale = 8 / src->BPC;
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u8 palWidth = src->Width / 32;
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u16 colNum = (src->BPC == 2) ? 4 : (src->BPC == 4) ? 16 : 256;
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//-------------------------------------------------------------------------
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// Init
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VDP_SetMode(src->Mode);
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VDP_EnableTransparency(FALSE);
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VDP_SetColor(src->Background);
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VDP_CommandHMMV(0, 0, src->Width, 212, src->Background);
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if (src->BPC == 2)
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{
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VDP_SetPaletteEntry(0, RGB16(0, 0, 0));
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VDP_SetPaletteEntry(1, RGB16(1, 1, 2));
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VDP_SetPaletteEntry(2, RGB16(2, 2, 4));
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VDP_SetPaletteEntry(3, RGB16(3, 3, 7));
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}
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else if (src->BPC == 4)
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VDP_SetPalette(pal->Data);
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VDP_EnableSprite(FALSE);
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Print_SetBitmapFont(src->Font);
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Print_SetColor(src->Text, src->Background);
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Print_SetPosition(2, 2);
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Print_DrawFormat("%s DRAW SAMPLE \x8DMode:%s", src->Title, src->Name);
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Draw_LineH(0, src->Width - 1, 12, src->White, 0);
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Draw_LineH(0, src->Width - 1, 114, src->White, 0);
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Draw_LineV(src->Width / 2, 16, 212, src->White, 0);
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// Draw lines
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for (u8 i = 0; i < 16; ++i)
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{
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RandomizeData(0, 16);
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Draw_Line(g_Data.x1, g_Data.y1, g_Data.x2, g_Data.y2, g_Data.color, 0);
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}
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// Draw vertical/harizontal lines
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for (u8 i = 0; i < 8; ++i)
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{
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RandomizeData(src->Width / 2, 16);
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Draw_LineH(g_Data.x1, g_Data.x2, g_Data.y2, g_Data.color, 0);
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RandomizeData(src->Width / 2, 16);
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Draw_LineV(g_Data.x1, g_Data.y1, g_Data.y2, g_Data.color, 0);
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}
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for (u8 i = 0; i < 64; ++i)
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{
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RandomizeData(src->Width / 2, 16);
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Draw_Point(g_Data.x1, g_Data.y1, g_Data.color, 0);
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}
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// Draw boxes
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for (u8 i = 0; i < 16; ++i)
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{
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RandomizeData(0, 114);
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Draw_Box(g_Data.x1, g_Data.y1, g_Data.x2, g_Data.y2, g_Data.color, 0);
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}
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// Draw circles
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for (u8 i = 0; i < 16; ++i)
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{
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RandomizeData(src->Width / 2, 114);
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Draw_Circle(
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(g_Data.x1 + g_Data.x2) / 2,
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(g_Data.y1 + g_Data.y2) / 2,
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Min(Abs16(g_Data.y1 - g_Data.y2) / 2, Abs16(g_Data.x1 - g_Data.x2) / 2),
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g_Data.color, 0);
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}
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Print_SetPosition(8, 20);
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Print_DrawText("Lines");
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Print_SetPosition((src->Width / 2) + 8 + 8, 20);
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Print_DrawText("Hori./Verti. lines");
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Print_SetPosition(8, 114 + 4);
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Print_DrawText("Boxes");
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Print_SetPosition((src->Width / 2) + 8, 114 + 4);
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Print_DrawText("Circles");
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#define PAL_POS_Y (u8)(212 - 9)
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if (src->BPC == 4)
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{
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Print_SetPosition(2, PAL_POS_Y);
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Print_DrawFormat("\x82Pal:%s", pal->Name);
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}
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// Draw palette
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if (src->BPC == 8)
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{
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u16 startX = src->Width - (128 + 1);
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u16 x = startX;
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u16 y = PAL_POS_Y;
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Draw_FillBox(x - 1, (u8)(PAL_POS_Y - 1), (u8)(x + 128), (u8)(PAL_POS_Y + 8), 0xFF, 0);
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for (u16 j = 0; j < 4; ++j)
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{
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x = startX;
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for (u16 i = 0; i < 64; ++i)
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{
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Draw_FillBox(x, y, x + 1, y + 1, i + j * 64, 0);
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x += 2;
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}
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y += 2;
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}
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}
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else
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{
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u16 x = src->Width - (palWidth * colNum + 1);
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Draw_FillBox(x - 1, (u8)(PAL_POS_Y - 1), x + (palWidth * colNum), (u8)(PAL_POS_Y + 8), 0xFF, 0);
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loop (i, colNum)
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{
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u8 col = (src->BPC == 4) ? COLOR_MERGE2(i) : COLOR_MERGE4(i);
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Draw_FillBox(x, PAL_POS_Y, x + palWidth - 1, (u8)(PAL_POS_Y + 7), col, 0);
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x += palWidth;
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}
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}
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}
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//-----------------------------------------------------------------------------
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// H_TIMI interrupt hook
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void VBlankHook()
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{
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g_VBlank = 1;
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}
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//-----------------------------------------------------------------------------
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// Wait for V-Blank period
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void WaitVBlank()
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{
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while (g_VBlank == 0) {}
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g_VBlank = 0;
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g_Frame++;
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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
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BIOS_SetHookCallback(H_TIMI, VBlankHook);
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DisplayPage();
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bool bContinue = TRUE;
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while (bContinue)
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{
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const struct ScreenSetting* src = &g_Settings[g_SrcModeIndex];
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Print_SetPosition(src->Width - 8, 2);
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Print_DrawChar(chrAnim[g_Frame & 0x03]);
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u8 row = Keyboard_Read(8);
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// Select screen mode
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if ((row & KEY_FLAG(KEY_LEFT)) == 0)
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{
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if (g_SrcModeIndex > 0)
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g_SrcModeIndex--;
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else
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g_SrcModeIndex = numberof(g_Settings) - 1;
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DisplayPage();
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}
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else if ((row & KEY_FLAG(KEY_RIGHT)) == 0)
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{
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if (g_SrcModeIndex < numberof(g_Settings) - 1)
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g_SrcModeIndex++;
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else
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g_SrcModeIndex = 0;
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DisplayPage();
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}
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// Select palette
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if (src->BPC == 4)
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{
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if ((row & KEY_FLAG(KEY_UP)) == 0)
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{
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if (g_PalIndex > 0)
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g_PalIndex--;
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else
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g_PalIndex = numberof(g_Palettes) - 1;
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DisplayPage();
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}
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else if ((row & KEY_FLAG(KEY_DOWN)) == 0)
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{
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if (g_PalIndex < numberof(g_Palettes) - 1)
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g_PalIndex++;
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else
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g_PalIndex = 0;
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DisplayPage();
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}
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}
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if (Keyboard_IsKeyPressed(KEY_ESC))
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bContinue = FALSE;
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WaitVBlank();
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}
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BIOS_ClearHook(H_TIMI);
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BIOS_Exit(0);
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} |