jurjen.ladeniusandClaude Opus 4.8
f3340e86c6
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
121 lines
3.7 KiB
C
121 lines
3.7 KiB
C
// ____________________________
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// ██▀▀█▀▀██▀▀▀▀▀▀▀█▀▀█ │ ▄▄▄ ▄▄
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// ██ ▀ █▄ ▀██▄ ▀ ▄█ ▄▀▀ █ │ ▀█▄ ▄▀██ ▄█▄█ ██▀▄ ██ ▄███
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// █ █ █ ▀▀ ▄█ █ █ ▀▄█ █▄ │ ▄▄█▀ ▀▄██ ██ █ ██▀ ▀█▄ ▀█▄▄
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// ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀────────┘ ▀▀
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// Data encryption and decryption sample
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//─────────────────────────────────────────────────────────────────────────────
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#include "msxgl.h"
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#include "crypt.h"
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#include "print.h"
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#include "memory.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_GL "\x01\x02\x03\x04\x05\x06"
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// Test structure (7 bytes)
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struct TestStruct
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{
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u8 Foo;
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u16 Bar;
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c8 Tab[3];
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u8 Buz;
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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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// Animation characters
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const u8 g_ChrAnim[] = { '|', '\\', '-', '/' };
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// Test data
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const c8* g_InvalidData = "12345678901234";
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//=============================================================================
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// MEMORY DATA
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//=============================================================================
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// Data source test
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struct TestStruct g_TestData = { 0xAB, 0x1234, { 'M', 'S', 'X' }, TRUE };
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// String buffer to store decoded data
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c8 g_Buffer[256];
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//=============================================================================
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// FUNCTIONS
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//=============================================================================
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//-----------------------------------------------------------------------------
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// Print test structure
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void PrintStruct()
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{
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Print_DrawFormat("> %d, 0x%04x, [%d, %d, %d], %d\n", g_TestData.Foo, g_TestData.Bar, g_TestData.Tab[0], g_TestData.Tab[1], g_TestData.Tab[2], g_TestData.Buz);
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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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// Initialize screen mode 0 (text)
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VDP_SetMode(VDP_MODE_SCREEN0);
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VDP_ClearVRAM();
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// Initialize font
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Print_SetTextFont(g_Font_MGL_Sample6, 1);
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Print_DrawText(MSX_GL " ENCRYPTION SAMPLE");
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Print_DrawLineH(0, 1, 40);
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// Source
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Print_DrawText("\nSource:\n");
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PrintStruct();
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// Encode
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Print_DrawText("\nEncode:\n");
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Crypt_SetKey("MSXgl");
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Crypt_Encode((const void*)g_TestData, sizeof(g_TestData), g_Buffer);
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Print_DrawFormat("> %s\n", g_Buffer);
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// Clear
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Print_DrawText("\nClear:\n");
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Mem_Set(0, &g_TestData, sizeof(g_TestData));
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PrintStruct();
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// Decode
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Print_DrawText("\nDecode:\n");
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Crypt_Decode(g_Buffer, (void*)g_TestData);
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PrintStruct();
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// Clear
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Print_DrawText("\nClear:\n");
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Mem_Set(0, &g_TestData, sizeof(g_TestData));
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PrintStruct();
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// Source
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Print_DrawText("\nSource:\n");
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Print_DrawFormat("> %s\n", g_InvalidData);
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// Decode
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Print_DrawText("\nDecode:\n");
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if (Crypt_Decode(g_InvalidData, (void*)g_TestData))
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PrintStruct();
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else
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Print_DrawText("> Invalid data\n");
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u8 frame = 0;
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while (!Keyboard_IsKeyPressed(KEY_ESC))
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{
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Halt();
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Print_SetPosition(39, 0);
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Print_DrawChar(g_ChrAnim[frame++ & 0x03]);
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}
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} |