jurjen.ladeniusandClaude Opus 4.8
f3340e86c6
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
52 lines
2.5 KiB
C
52 lines
2.5 KiB
C
// ____________________________
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// ██▀▀█▀▀██▀▀▀▀▀▀▀█▀▀█ │ ▄▄▄ ▄▄ ▄▄▄
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// ██ ▀ █▄ ▀██▄ ▀ ▄█ ▄▀▀ █ │ ██ █ ██ █ ▀█▄
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// █ █ █ ▀▀ ▄█ █ █ ▀▄█ █▄ │ ██▄▀ ▀█▄▀ ▄▄█▀
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// ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀────────┘
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// by Guillaume 'Aoineko' Blanchard under CC BY-SA license
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//─────────────────────────────────────────────────────────────────────────────
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// MSX-DOS 2 extension BIOS routines
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//
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// References:
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// - https://map.grauw.nl/resources/dos2_environment.php#c5
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//─────────────────────────────────────────────────────────────────────────────
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#pragma once
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//=============================================================================
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// INCLUDES
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//=============================================================================
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#include "core.h"
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//=============================================================================
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// DEFINES
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//=============================================================================
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// Extented BIOS
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#define M_HOKVLD 0xFB20
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const u8 __at(M_HOKVLD) g_HOKVLD;
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#define M_EXTBIO 0xFFCA
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const u8 __at(M_EXTBIO) g_EXTBIO;
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#define EXTBIOS_BROADCAST 0x00 // Broad-cast
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#define EXTBIOS_MEMMAPPER 0x04 // Memory Mapper (MSX-DOS 2)
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#define EXTBIOS_MODEM 0x08 // MSX-Modem & RS-232C
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#define EXTBIOS_MSXAUDIO 0x0A // MSX-AUDIO
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#define EXTBIOS_MSXJE 0x10 // MSX-JE
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#define EXTBIOS_KANJI 0x11 // Kanji driver
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#define EXTBIOS_UNAPI 0x22 // MSX-UNAPI (Unofficial)
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#define EXTBIOS_MEMMAN 0x4D // MemMan (Unofficial)
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#define EXTBIOS_UDRIVER 0x84 // μ-driver by Yoshikazu Yamamoto (Unofficial)
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#define EXTBIOS_MULTIMENTE 0xF1 // MultiMente (Unofficial)
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#define EXTBIOS_SYSTEM 0xFF // System
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//=============================================================================
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// FUNCTIONS
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//=============================================================================
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// Function: ExtBIOS_Check
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// Check id extended BIOS is installed
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//
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// Return:
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// FALSE if not installed
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inline bool ExtBIOS_Check() { return g_HOKVLD & 0x01; } |