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bus/msx/cart/msxdos2.cpp: Added full MSX-DOS2 support. (#10893)
New working software list items (msx1_cart.xml) ------------------------------ Japanese MSX-DOS 2.20 (Japan, 256KB) Japanese MSX-DOS 2.20 (Japan, 256KB, alt) Japanese MSX-DOS 2.20 (Japan, 256KB, alt 2) Japanese MSX-DOS 2.20 (Japan, 128KB) Japanese MSX-DOS 2.20 (Japan) MSX-DOS 2.20 (Europe)
This commit is contained in:
wilbertpol
GitHub
parent
d8f70e6446
commit
9faa7d1138
@ -3156,4 +3156,163 @@ LZ93A13 (32 pin) - 8KB banks
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</part>
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</software>
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<software name="msxdos2j">
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<description>Japanese MSX-DOS 2.20 (Japan, 256KB)</description>
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<year>1989</year>
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<publisher>ASCII</publisher>
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<info name="alt_title" value="日本語 MSX-DOS 2"/>
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<info name="serial" value="2307603"/>
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<part name="cart" interface="msx_cart">
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<feature name="slot" value="msxdos2j"/>
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<feature name="bank_address" value="0x7ffe"/>
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<dataarea name="rom" size="0x10000">
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<rom name="ascii_msxdos22.rom" size="0x10000" crc="47eea028" sha1="42f4e3360eb134857b0efa82c1abedf342680124"/>
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</dataarea>
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<dataarea name="ram" size="0x40000"/>
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</part>
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<part name="flope" interface="floppy_3_5">
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<feature name="part_id" value="English MSX-DOS2"/>
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<dataarea name="flop" size="368640">
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<rom name="mdos22de.dsk" size="368640" crc="9be0bfd1" sha1="e29b70766f03a7f97082348d8ef3b410655c0612"/>
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</dataarea>
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</part>
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<part name="flopj" interface="floppy_3_5">
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<feature name="part_id" value="Japanese MSX-DOS2"/>
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<dataarea name="flop" size="368640">
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<rom name="mdos22dj.dsk" size="368640" crc="d9ef5567" sha1="e29b70766f03a7f97082348d8ef3b410655c0612"/>
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</dataarea>
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</part>
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</software>
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<software name="msxdos2ja" cloneof="msxdos2j">
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<description>Japanese MSX-DOS 2.20 (Japan, 256KB, alt)</description>
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<year>1989</year>
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<publisher>ASCII</publisher>
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<info name="alt_title" value="日本語 MSX-DOS 2"/>
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<info name="serial" value="2307603"/>
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<part name="cart" interface="msx_cart">
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<feature name="slot" value="msxdos2j"/>
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<feature name="bank_address" value="0x7ffe"/>
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<dataarea name="rom" size="0x10000">
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<rom name="mdos22v3.rom" size="0x10000" crc="845f5ab6" sha1="6dcf76a0076f8c7f025979d7d060367fb5ed56bc"/>
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</dataarea>
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<dataarea name="ram" size="0x40000"/>
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</part>
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<part name="flope" interface="floppy_3_5">
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<feature name="part_id" value="English MSX-DOS2"/>
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<dataarea name="flop" size="368640">
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<rom name="mdos22de.dsk" size="368640" crc="9be0bfd1" sha1="e29b70766f03a7f97082348d8ef3b410655c0612"/>
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</dataarea>
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</part>
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<part name="flopj" interface="floppy_3_5">
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<feature name="part_id" value="Japanese MSX-DOS2"/>
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<dataarea name="flop" size="368640">
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<rom name="mdos22dj.dsk" size="368640" crc="d9ef5567" sha1="e29b70766f03a7f97082348d8ef3b410655c0612"/>
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</dataarea>
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</part>
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</software>
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<software name="msxdos2jb" cloneof="msxdos2j">
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<description>Japanese MSX-DOS 2.20 (Japan, 256KB, alt 2)</description>
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<year>1989</year>
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<publisher>ASCII</publisher>
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<info name="alt_title" value="日本語 MSX-DOS 2"/>
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<info name="serial" value="2307603"/>
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<part name="cart" interface="msx_cart">
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<feature name="slot" value="msxdos2j"/>
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<feature name="bank_address" value="0x6000"/>
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<dataarea name="rom" size="0x10000">
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<rom name="mdos22v2.rom" size="0x10000" crc="8687c4f1" sha1="9155145d3e8522daf33f821f1ab68ce165960c1a"/>
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</dataarea>
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<dataarea name="ram" size="0x40000"/>
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</part>
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<part name="flope" interface="floppy_3_5">
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<feature name="part_id" value="English MSX-DOS2"/>
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<dataarea name="flop" size="368640">
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<rom name="mdos22de.dsk" size="368640" crc="9be0bfd1" sha1="e29b70766f03a7f97082348d8ef3b410655c0612"/>
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</dataarea>
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</part>
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<part name="flopj" interface="floppy_3_5">
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<feature name="part_id" value="Japanese MSX-DOS2"/>
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<dataarea name="flop" size="368640">
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<rom name="mdos22dj.dsk" size="368640" crc="d9ef5567" sha1="e29b70766f03a7f97082348d8ef3b410655c0612"/>
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</dataarea>
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</part>
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</software>
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<software name="msxdos2j_128" cloneof="msxdos2j">
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<description>Japanese MSX-DOS 2.20 (Japan, 128KB)</description>
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<year>1988</year>
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<publisher>ASCII</publisher>
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<info name="alt_title" value="日本語 MSX-DOS 2"/>
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<info name="serial" value="2307601"/>
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<info name="gtin" value="04988606202515"/>
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<part name="cart" interface="msx_cart">
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<feature name="slot" value="msxdos2j"/>
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<feature name="bank_address" value="0x6000"/>
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<dataarea name="rom" size="0x10000">
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<rom name="mdos22v1.rom" size="0x10000" crc="93cccc2d" sha1="ac26be7fc8386d12ed6a3de4f05fd462967599a8"/>
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</dataarea>
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<dataarea name="ram" size="0x20000"/>
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</part>
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<part name="flope" interface="floppy_3_5">
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<feature name="part_id" value="English MSX-DOS2"/>
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<dataarea name="flop" size="368640">
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<rom name="mdos22de.dsk" size="368640" crc="9be0bfd1" sha1="e29b70766f03a7f97082348d8ef3b410655c0612"/>
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</dataarea>
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</part>
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<part name="flopj" interface="floppy_3_5">
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<feature name="part_id" value="Japanese MSX-DOS2"/>
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<dataarea name="flop" size="368640">
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<rom name="mdos22dj.dsk" size="368640" crc="d9ef5567" sha1="e29b70766f03a7f97082348d8ef3b410655c0612"/>
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</dataarea>
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</part>
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</software>
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<software name="msxdos2j_0" cloneof="msxdos2j">
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<description>Japanese MSX-DOS 2.20 (Japan)</description>
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<year>1988</year>
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<publisher>ASCII</publisher>
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<info name="alt_title" value="日本語 MSX-DOS 2"/>
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<info name="serial" value="2307602"/>
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<part name="cart" interface="msx_cart">
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<feature name="slot" value="msxdos2j"/>
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<feature name="bank_address" value="0x6000"/>
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<dataarea name="rom" size="0x10000">
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<rom name="mdos22v1.rom" size="0x10000" crc="93cccc2d" sha1="ac26be7fc8386d12ed6a3de4f05fd462967599a8"/>
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</dataarea>
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</part>
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<part name="flope" interface="floppy_3_5">
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<feature name="part_id" value="English MSX-DOS2"/>
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<dataarea name="flop" size="368640">
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<rom name="mdos22de.dsk" size="368640" crc="9be0bfd1" sha1="e29b70766f03a7f97082348d8ef3b410655c0612"/>
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</dataarea>
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</part>
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<part name="flopj" interface="floppy_3_5">
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<feature name="part_id" value="Japanese MSX-DOS2"/>
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<dataarea name="flop" size="368640">
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<rom name="mdos22dj.dsk" size="368640" crc="d9ef5567" sha1="e29b70766f03a7f97082348d8ef3b410655c0612"/>
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</dataarea>
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</part>
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</software>
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<software name="msxdos2e">
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<description>MSX-DOS 2.20 (Europe)</description>
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<year>1989</year>
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<publisher>H.S.H.</publisher>
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<part name="cart" interface="msx_cart">
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<feature name="slot" value="msxdos2e"/>
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<feature name="bank_address" value="0x6000"/>
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<dataarea name="rom" size="0x10000">
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<rom name="msxdos220.rom" size="0x10000" crc="1c430991" sha1="c36c9e0f96738a340381e23b4f97245388801a46"/>
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</dataarea>
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</part>
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<part name="flope" interface="floppy_3_5">
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<feature name="part_id" value="English MSX-DOS2"/>
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<dataarea name="flop" size="368640">
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<rom name="mdos22de.dsk" size="368640" crc="9be0bfd1" sha1="e29b70766f03a7f97082348d8ef3b410655c0612"/>
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</dataarea>
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</part>
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</software>
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</softwarelist>
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@ -65,7 +65,8 @@ void msx_cart(device_slot_interface &device)
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device.option_add_internal("msxaud_fsca1", MSX_CART_MSX_AUDIO_FSCA1);
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device.option_add_internal("msxaud_hxmu900", MSX_CART_MSX_AUDIO_HXMU900);
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device.option_add_internal("msxaud_nms1205", MSX_CART_MSX_AUDIO_NMS1205);
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device.option_add_internal("msxdos2", MSX_CART_MSXDOS2);
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device.option_add_internal("msxdos2j", MSX_CART_MSXDOS2J);
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device.option_add_internal("msxdos2e", MSX_CART_MSXDOS2E);
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device.option_add_internal("msxwrite", MSX_CART_MSXWRITE);
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device.option_add_internal("nomapper", MSX_CART_NOMAPPER);
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device.option_add_internal("rtype", MSX_CART_RTYPE);
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@ -3,49 +3,238 @@
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#include "emu.h"
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#include "msxdos2.h"
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// This is the bare minimum to get a msx-dos 2 rom working in a system
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// TODO:
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// - Add subslots for regular rom and kanji driver rom
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// - Add support for 128KB and 256KB memory mapper versions
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DEFINE_DEVICE_TYPE(MSX_CART_MSXDOS2, msx_cart_msxdos2_device, "msx_cart_msxdos2", "MSX Cartridge - MSXDOS2")
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#include "bus/generic/slot.h"
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msx_cart_msxdos2_device::msx_cart_msxdos2_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock)
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: device_t(mconfig, MSX_CART_MSXDOS2, tag, owner, clock)
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, msx_cart_interface(mconfig, *this)
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, m_rombank(*this, "rombank")
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/*
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Emulation of MSX-DOS2 cartridges.
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Japanese MSX-DOS2 uses an expanded slot model:
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- Subslot 1 - Memory mapper with no, 128KB, or 256KB RAM
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- Subslot 2 - Kanji Basic ROM
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- Subslot 3 - MSX-DOS2 banked ROM
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European MSX-DOS2 releases only contain MSX-DOS2 banked ROM.
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The rom banking address is either $6000 or $7ffe depending on the
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version of the hardware.
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*/
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namespace {
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class msx_cart_msxdos2_base_device : public device_t, public msx_cart_interface
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{
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protected:
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msx_cart_msxdos2_base_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, u32 clock)
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: device_t(mconfig, type, tag, owner, clock)
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, msx_cart_interface(mconfig, *this)
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, m_rombank(*this, "rombank")
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, m_bank_address(0)
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{ }
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virtual void device_start() override { }
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virtual void device_reset() override;
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virtual image_init_result initialize_cartridge(std::string &message) override;
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void bank_w(u8 data);
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static inline constexpr unsigned PAGE_SIZE = 0x4000;
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memory_bank_creator m_rombank;
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u16 m_bank_address;
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};
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void msx_cart_msxdos2_base_device::device_reset()
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{
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m_rombank->set_entry(0);
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}
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void msx_cart_msxdos2_device::device_reset()
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{
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m_rombank->set_entry(1);
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}
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image_init_result msx_cart_msxdos2_device::initialize_cartridge(std::string &message)
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image_init_result msx_cart_msxdos2_base_device::initialize_cartridge(std::string &message)
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{
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if (!cart_rom_region())
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{
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message = "msx_cart_msxdos2_device: Required region 'rom' was not found.";
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message = "msx_cart_msxdos2: Required region 'rom' was not found.";
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return image_init_result::FAIL;
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}
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if (cart_rom_region()->bytes() != 0x10000)
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{
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message = "msx_cart_msxdos2_device: Region 'rom' has unsupported size.";
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message = "msx_cart_msxdos2: Region 'rom' has unsupported size.";
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return image_init_result::FAIL;
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}
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m_rombank->configure_entries(0, 4, cart_rom_region()->base(), 0x4000);
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const char *bank_address_str = get_feature("bank_address");
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if (!bank_address_str)
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{
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message = "msx_cart_msxdos2: Feature 'bank_address' was not found.";
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return image_init_result::FAIL;
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}
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m_bank_address = strtol(bank_address_str, nullptr, 0);
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if (m_bank_address < 0x4000 || m_bank_address > 0x7fff)
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{
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message = "msx_cart_msxdos2: bank_address must be between 0x4000 and 0x7fff.";
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return image_init_result::FAIL;
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}
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page(1)->install_read_bank(0x4000, 0x7fff, m_rombank);
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page(1)->install_write_handler(0x7ffe, 0x7ffe, write8smo_delegate(*this, FUNC(msx_cart_msxdos2_device::bank_w)));
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m_rombank->configure_entries(0, 4, cart_rom_region()->base(), PAGE_SIZE);
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return image_init_result::PASS;
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}
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void msx_cart_msxdos2_device::bank_w(u8 data)
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void msx_cart_msxdos2_base_device::bank_w(u8 data)
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{
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m_rombank->set_entry(data & 0x03);
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}
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class msx_cart_msxdos2j_device : public msx_cart_msxdos2_base_device
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{
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public:
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msx_cart_msxdos2j_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock)
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: msx_cart_msxdos2_base_device(mconfig, MSX_CART_MSXDOS2J, tag, owner, clock)
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, m_rambank(*this, "rambank%u", 0)
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, m_view_page0(*this, "view_page0")
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, m_view_page1(*this, "view_page1")
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, m_view_page2(*this, "view_page2")
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, m_view_page3(*this, "view_page3")
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, m_secondary_slot(0)
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, m_bank_mask(0)
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{ }
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virtual image_init_result initialize_cartridge(std::string &message) override;
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protected:
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virtual void device_start() override;
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private:
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u8 secondary_slot_r();
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void secondary_slot_w(u8 data);
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template <int Bank> void mm_bank_w(u8 data);
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memory_bank_array_creator<4> m_rambank;
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memory_view m_view_page0;
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memory_view m_view_page1;
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memory_view m_view_page2;
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memory_view m_view_page3;
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u8 m_secondary_slot;
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u8 m_bank_mask;
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};
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void msx_cart_msxdos2j_device::device_start()
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{
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msx_cart_msxdos2_base_device::device_start();
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save_item(NAME(m_secondary_slot));
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}
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image_init_result msx_cart_msxdos2j_device::initialize_cartridge(std::string &message)
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{
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image_init_result result = msx_cart_msxdos2_base_device::initialize_cartridge(message);
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if (result != image_init_result::PASS)
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return result;
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u32 ram_size = cart_ram_region() ? cart_ram_region()->bytes() : 0;
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if (ram_size > 256 * PAGE_SIZE || (ram_size & (PAGE_SIZE - 1)) != 0)
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{
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message = "msx_cart_msxdos2: Region 'ram' size must be a multiple of 0x4000 and at most 0x400000.";
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return image_init_result::FAIL;
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}
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page(0)->install_view(0x0000, 0x3fff, m_view_page0);
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page(1)->install_view(0x4000, 0x7fff, m_view_page1);
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page(2)->install_view(0x8000, 0xbfff, m_view_page2);
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page(3)->install_view(0xc000, 0xffff, m_view_page3);
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page(3)->install_readwrite_handler(0xffff, 0xffff, read8smo_delegate(*this, FUNC(msx_cart_msxdos2j_device::secondary_slot_r)), write8smo_delegate(*this, FUNC(msx_cart_msxdos2j_device::secondary_slot_w)));
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// Make sure all views we can select do exist.
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for (int subslot = 0; subslot < 4; subslot++)
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{
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m_view_page0[subslot];
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m_view_page1[subslot];
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m_view_page2[subslot];
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m_view_page3[subslot];
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}
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// Kanji driver
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m_view_page1[2].install_rom(0x4000, 0x7fff, cart_rom_region()->base() + 0xc000);
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// MSX-DOS2 rom
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m_view_page1[3].install_read_bank(0x4000, 0x7fff, m_rombank);
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m_view_page1[3].install_write_handler(m_bank_address, m_bank_address, write8smo_delegate(*this, FUNC(msx_cart_msxdos2j_device::bank_w)));
|
||||
|
||||
// On-cartridge memory mapper RAM
|
||||
if (ram_size)
|
||||
{
|
||||
m_bank_mask = device_generic_cart_interface::map_non_power_of_two(
|
||||
unsigned(ram_size / PAGE_SIZE),
|
||||
[this] (unsigned entry, unsigned page)
|
||||
{
|
||||
for (int i = 0; i < 4; i++)
|
||||
m_rambank[i]->configure_entry(entry, cart_ram_region()->base() + PAGE_SIZE * page);
|
||||
}
|
||||
);
|
||||
|
||||
m_view_page0[1].install_readwrite_bank(0x0000, 0x3fff, m_rambank[0]);
|
||||
m_view_page1[1].install_readwrite_bank(0x4000, 0x7fff, m_rambank[1]);
|
||||
m_view_page2[1].install_readwrite_bank(0x8000, 0xbfff, m_rambank[2]);
|
||||
m_view_page3[1].install_readwrite_bank(0xc000, 0xffff, m_rambank[3]);
|
||||
|
||||
io_space().install_write_tap(0xfc, 0xfc, "bank0", [this] (offs_t, u8& data, u8){ this->mm_bank_w<0>(data); });
|
||||
io_space().install_write_tap(0xfd, 0xfd, "bank1", [this] (offs_t, u8& data, u8){ this->mm_bank_w<1>(data); });
|
||||
io_space().install_write_tap(0xfe, 0xfe, "bank2", [this] (offs_t, u8& data, u8){ this->mm_bank_w<2>(data); });
|
||||
io_space().install_write_tap(0xff, 0xff, "bank3", [this] (offs_t, u8& data, u8){ this->mm_bank_w<3>(data); });
|
||||
}
|
||||
|
||||
return image_init_result::PASS;
|
||||
}
|
||||
|
||||
u8 msx_cart_msxdos2j_device::secondary_slot_r()
|
||||
{
|
||||
return ~m_secondary_slot;
|
||||
}
|
||||
|
||||
void msx_cart_msxdos2j_device::secondary_slot_w(u8 data)
|
||||
{
|
||||
m_view_page0.select((data >> 0) & 0x03);
|
||||
m_view_page1.select((data >> 2) & 0x03);
|
||||
m_view_page2.select((data >> 4) & 0x03);
|
||||
m_view_page3.select((data >> 6) & 0x03);
|
||||
m_secondary_slot = data;
|
||||
}
|
||||
|
||||
template <int Bank>
|
||||
void msx_cart_msxdos2j_device::mm_bank_w(u8 data)
|
||||
{
|
||||
m_rambank[Bank]->set_entry(data & m_bank_mask);
|
||||
}
|
||||
|
||||
|
||||
|
||||
class msx_cart_msxdos2e_device : public msx_cart_msxdos2_base_device
|
||||
{
|
||||
public:
|
||||
msx_cart_msxdos2e_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock)
|
||||
: msx_cart_msxdos2_base_device(mconfig, MSX_CART_MSXDOS2E, tag, owner, clock)
|
||||
{ }
|
||||
|
||||
virtual image_init_result initialize_cartridge(std::string &message) override;
|
||||
};
|
||||
|
||||
image_init_result msx_cart_msxdos2e_device::initialize_cartridge(std::string &message)
|
||||
{
|
||||
image_init_result result = msx_cart_msxdos2_base_device::initialize_cartridge(message);
|
||||
if (result != image_init_result::PASS)
|
||||
return result;
|
||||
|
||||
page(1)->install_read_bank(0x4000, 0x7fff, m_rombank);
|
||||
page(1)->install_write_handler(m_bank_address, m_bank_address, write8smo_delegate(*this, FUNC(msx_cart_msxdos2e_device::bank_w)));
|
||||
|
||||
return image_init_result::PASS;
|
||||
}
|
||||
|
||||
} // anonymous namespace
|
||||
|
||||
DEFINE_DEVICE_TYPE_PRIVATE(MSX_CART_MSXDOS2J, msx_cart_interface, msx_cart_msxdos2j_device, "msx_cart_msxdos2j", "MSX Cartridge - MSXDOS2 Japan")
|
||||
DEFINE_DEVICE_TYPE_PRIVATE(MSX_CART_MSXDOS2E, msx_cart_interface, msx_cart_msxdos2e_device, "msx_cart_msxdos2e", "MSX Cartridge - MSXDOS2 Europe")
|
||||
|
||||
@ -7,27 +7,7 @@
|
||||
|
||||
#include "bus/msx/slot/cartridge.h"
|
||||
|
||||
|
||||
DECLARE_DEVICE_TYPE(MSX_CART_MSXDOS2, msx_cart_msxdos2_device)
|
||||
|
||||
|
||||
class msx_cart_msxdos2_device : public device_t, public msx_cart_interface
|
||||
{
|
||||
public:
|
||||
msx_cart_msxdos2_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
|
||||
|
||||
virtual image_init_result initialize_cartridge(std::string &message) override;
|
||||
|
||||
protected:
|
||||
// device-level overrides
|
||||
virtual void device_start() override { }
|
||||
virtual void device_reset() override;
|
||||
|
||||
private:
|
||||
void bank_w(u8 data);
|
||||
|
||||
memory_bank_creator m_rombank;
|
||||
};
|
||||
|
||||
DECLARE_DEVICE_TYPE(MSX_CART_MSXDOS2J, msx_cart_interface)
|
||||
DECLARE_DEVICE_TYPE(MSX_CART_MSXDOS2E, msx_cart_interface)
|
||||
|
||||
#endif // MAME_BUS_MSX_CART_MSXDOS2_H
|
||||
|
||||
Loading…
Reference in New Issue
Block a user