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https://github.com/holub/mame
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(MESS) sg1000: converted the driver to use the new sega 8bit cart slot. [Fabio Priuli]
this allowed to simplify the sg1000 code and to remove duplicate Terebi Oekaki implementation...
This commit is contained in:
Fabio Priuli
parent
31e896f90a
commit
8da97d5847
@ -281,9 +281,13 @@ A135 : 森林歷險記 / Sēnlín lìxiǎn jì -> Pitfall II (same as R-049 by A
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<feature name="pcb" value="171-5382" />
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<feature name="pcb" value="171-5382" />
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<feature name="ic1" value="MPR-10159" />
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<feature name="ic1" value="MPR-10159" />
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<feature name="ic2" value="??" /> <!-- RAM should be present -->
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<feature name="ic2" value="??" /> <!-- RAM should be present -->
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<feature name="slot" value="castle" />
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<dataarea name="rom" size="32768">
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<dataarea name="rom" size="32768">
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<rom name="mpr-10159.ic1" size="32768" crc="092f29d6" sha1="2681786bffccf58b59410c331865d30a4d027087" offset="000000" />
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<rom name="mpr-10159.ic1" size="32768" crc="092f29d6" sha1="2681786bffccf58b59410c331865d30a4d027087" offset="000000" />
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</dataarea>
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</dataarea>
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<dataarea name="ram" size="8192">
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</dataarea>
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</part>
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</part>
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</software>
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</software>
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@ -1403,7 +1407,7 @@ A135 : 森林歷險記 / Sēnlín lìxiǎn jì -> Pitfall II (same as R-049 by A
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<info name="serial" value="Y-106"/>
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<info name="serial" value="Y-106"/>
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<info name="alt_title" value="King's Valley"/>
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<info name="alt_title" value="King's Valley"/>
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<part name="cart" interface="sg1000_cart">
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<part name="cart" interface="sg1000_cart">
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<feature name="needs_addon" value="dahjee_type_a"/>
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<feature name="slot" value="dahjee_typea"/>
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<dataarea name="rom" size="32768">
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<dataarea name="rom" size="32768">
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<rom name="king's valley (tw).bin" size="32768" crc="223397a1" sha1="922d23895c12707b2fc382ea5cb769c5cb9b5755" offset="000000" />
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<rom name="king's valley (tw).bin" size="32768" crc="223397a1" sha1="922d23895c12707b2fc382ea5cb769c5cb9b5755" offset="000000" />
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</dataarea>
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</dataarea>
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@ -2646,9 +2650,12 @@ A135 : 森林歷險記 / Sēnlín lìxiǎn jì -> Pitfall II (same as R-049 by A
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<publisher>Sega</publisher>
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<publisher>Sega</publisher>
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<info name="usage" value="Needs SC-3000 to work" />
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<info name="usage" value="Needs SC-3000 to work" />
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<part name="cart" interface="sg1000_cart">
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<part name="cart" interface="sg1000_cart">
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<feature name="slot" value="level3" />
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<dataarea name="rom" size="32768">
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<dataarea name="rom" size="32768">
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<rom name="basic3.bin" size="32768" crc="a46e3c73" sha1="b1a8585a9afff962e8fd0e79b3305199da4e4562" offset="000000" />
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<rom name="basic3.bin" size="32768" crc="a46e3c73" sha1="b1a8585a9afff962e8fd0e79b3305199da4e4562" offset="000000" />
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</dataarea>
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</dataarea>
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<dataarea name="ram" size="32768">
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</dataarea>
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</part>
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</part>
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</software>
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</software>
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@ -2658,9 +2665,12 @@ A135 : 森林歷險記 / Sēnlín lìxiǎn jì -> Pitfall II (same as R-049 by A
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<publisher>Sega</publisher>
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<publisher>Sega</publisher>
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<info name="usage" value="Needs SC-3000 to work" />
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<info name="usage" value="Needs SC-3000 to work" />
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<part name="cart" interface="sg1000_cart">
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<part name="cart" interface="sg1000_cart">
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<feature name="slot" value="level3" />
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<dataarea name="rom" size="32768">
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<dataarea name="rom" size="32768">
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<rom name="basic3e.bin" size="32768" crc="5d9f11ca" sha1="a43aef367857a681decea52377c2e7a992c2ac68" offset="000000" />
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<rom name="basic3e.bin" size="32768" crc="5d9f11ca" sha1="a43aef367857a681decea52377c2e7a992c2ac68" offset="000000" />
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</dataarea>
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</dataarea>
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<dataarea name="ram" size="32768">
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</dataarea>
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</part>
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</part>
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</software>
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</software>
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@ -2681,9 +2691,12 @@ A135 : 森林歷險記 / Sēnlín lìxiǎn jì -> Pitfall II (same as R-049 by A
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<year>198?</year>
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<year>198?</year>
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<publisher>Sega</publisher>
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<publisher>Sega</publisher>
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<part name="cart" interface="sg1000_cart">
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<part name="cart" interface="sg1000_cart">
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<feature name="slot" value="music_editor" />
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<dataarea name="rom" size="32768">
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<dataarea name="rom" size="32768">
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<rom name="music.bin" size="32768" crc="622010e1" sha1="61f40e4b7576d4d55322f3d6eef2038aa784336e" offset="000000" />
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<rom name="music.bin" size="32768" crc="622010e1" sha1="61f40e4b7576d4d55322f3d6eef2038aa784336e" offset="000000" />
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</dataarea>
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</dataarea>
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<dataarea name="ram" size="10240">
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</dataarea>
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</part>
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</part>
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</software>
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</software>
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@ -2696,9 +2709,12 @@ A135 : 森林歷險記 / Sēnlín lìxiǎn jì -> Pitfall II (same as R-049 by A
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<info name="serial" value="E-101"/>
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<info name="serial" value="E-101"/>
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<info name="alt_title" value="ミュージック"/>
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<info name="alt_title" value="ミュージック"/>
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<part name="cart" interface="sg1000_cart">
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<part name="cart" interface="sg1000_cart">
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<feature name="slot" value="music_editor" />
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<dataarea name="rom" size="32768">
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<dataarea name="rom" size="32768">
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<rom name="music (jp).bin" size="32768" crc="2ec28526" sha1="a2137e818242e8b361d5d5677797034c55fb1a2d" offset="000000" />
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<rom name="music (jp).bin" size="32768" crc="2ec28526" sha1="a2137e818242e8b361d5d5677797034c55fb1a2d" offset="000000" />
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</dataarea>
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</dataarea>
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<dataarea name="ram" size="10240">
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</dataarea>
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</part>
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</part>
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</software>
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</software>
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@ -53,7 +53,6 @@ Notes:
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TODO:
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TODO:
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- slot interface for cartridges
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- SC-3000 return instruction referenced by R when reading ports 60-7f,e0-ff
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- SC-3000 return instruction referenced by R when reading ports 60-7f,e0-ff
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- connect PSG /READY signal to Z80 WAIT
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- connect PSG /READY signal to Z80 WAIT
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- accurate video timing
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- accurate video timing
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@ -65,64 +64,28 @@ Notes:
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#include "includes/sg1000.h"
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#include "includes/sg1000.h"
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#include "machine/sega8_rom.h"
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/***************************************************************************
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/***************************************************************************
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READ/WRITE HANDLERS
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READ/WRITE HANDLERS
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***************************************************************************/
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***************************************************************************/
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/*
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// TODO: not sure if the OMV bios actually detects the presence of a cart,
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// or if the cart data simply overwrites the internal bios...
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Terebi Oekaki (TV Draw)
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// for the moment let assume the latter!
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READ8_MEMBER( sg1000_state::omv_r )
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Address Access Bits
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7 6 5 4 3 2 1 0
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$6000 W - - - - - - - AXIS
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$8000 R BUSY - - - - - - PRESS
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$A000 R/W DATA
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AXIS: write 0 to select X axis, 1 to select Y axis.
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BUSY: reads 1 when graphic board is busy sampling position, else 0.
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PRESS: reads 0 when pen is touching graphic board, else 1.
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DATA: when pen is touching graphic board, return 8-bit sample position for currently selected axis (X is in the 0-255 range, Y in the 0-191 range). Else, return 0.
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*/
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/*-------------------------------------------------
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tvdraw_axis_w - TV Draw axis select
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-------------------------------------------------*/
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WRITE8_MEMBER( sg1000_state::tvdraw_axis_w )
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{
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{
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if (data & 0x01)
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if (m_cartslot && m_cartslot->m_cart)
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{
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return m_cartslot->m_cart->read_cart(space, offset);
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m_tvdraw_data = ioport("TVDRAW_X")->read();
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if (m_tvdraw_data < 4) m_tvdraw_data = 4;
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if (m_tvdraw_data > 251) m_tvdraw_data = 251;
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}
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else
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else
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{
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return m_rom->base()[offset];
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m_tvdraw_data = ioport("TVDRAW_Y")->read() + 32;
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}
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}
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}
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/*-------------------------------------------------
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WRITE8_MEMBER( sg1000_state::omv_w )
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tvdraw_status_r - TV Draw status read
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-------------------------------------------------*/
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READ8_MEMBER( sg1000_state::tvdraw_status_r )
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{
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{
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return ioport("TVDRAW_PEN")->read();
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if (m_cartslot && m_cartslot->m_cart)
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}
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m_cartslot->m_cart->write_cart(space, offset, data);
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/*-------------------------------------------------
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tvdraw_data_r - TV Draw data read
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-------------------------------------------------*/
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READ8_MEMBER( sg1000_state::tvdraw_data_r )
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{
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return m_tvdraw_data;
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}
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}
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/*-------------------------------------------------
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/*-------------------------------------------------
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@ -139,9 +102,8 @@ READ8_MEMBER( sg1000_state::joysel_r )
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-------------------------------------------------*/
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-------------------------------------------------*/
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static ADDRESS_MAP_START( sg1000_map, AS_PROGRAM, 8, sg1000_state )
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static ADDRESS_MAP_START( sg1000_map, AS_PROGRAM, 8, sg1000_state )
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AM_RANGE(0x0000, 0x7fff) AM_ROM
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AM_RANGE(0x0000, 0xbfff) AM_DEVREADWRITE(CARTSLOT_TAG, sega8_cart_slot_device, read_cart, write_cart)
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AM_RANGE(0x8000, 0xbfff) AM_RAMBANK("bank1")
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AM_RANGE(0xc000, 0xc3ff) AM_MIRROR(0x3c00) AM_RAM
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AM_RANGE(0xc000, 0xffff) AM_RAMBANK("bank2")
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ADDRESS_MAP_END
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ADDRESS_MAP_END
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/*-------------------------------------------------
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/*-------------------------------------------------
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@ -164,8 +126,7 @@ ADDRESS_MAP_END
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-------------------------------------------------*/
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-------------------------------------------------*/
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static ADDRESS_MAP_START( omv_map, AS_PROGRAM, 8, sg1000_state )
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static ADDRESS_MAP_START( omv_map, AS_PROGRAM, 8, sg1000_state )
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AM_RANGE(0x0000, 0x7fff) AM_ROM
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AM_RANGE(0x0000, 0xbfff) AM_READWRITE(omv_r, omv_w)
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AM_RANGE(0x8000, 0xbfff) AM_RAMBANK("bank1")
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AM_RANGE(0xc000, 0xc7ff) AM_MIRROR(0x3800) AM_RAM
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AM_RANGE(0xc000, 0xc7ff) AM_MIRROR(0x3800) AM_RAM
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ADDRESS_MAP_END
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ADDRESS_MAP_END
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@ -191,9 +152,8 @@ ADDRESS_MAP_END
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-------------------------------------------------*/
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-------------------------------------------------*/
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static ADDRESS_MAP_START( sc3000_map, AS_PROGRAM, 8, sg1000_state )
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static ADDRESS_MAP_START( sc3000_map, AS_PROGRAM, 8, sg1000_state )
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AM_RANGE(0x0000, 0x7fff) AM_ROM
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AM_RANGE(0x0000, 0xbfff) AM_DEVREADWRITE(CARTSLOT_TAG, sega8_cart_slot_device, read_cart, write_cart)
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AM_RANGE(0x8000, 0xbfff) AM_RAMBANK("bank1")
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AM_RANGE(0xc000, 0xc7ff) AM_MIRROR(0x3800) AM_RAM
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AM_RANGE(0xc000, 0xffff) AM_RAMBANK("bank2")
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ADDRESS_MAP_END
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ADDRESS_MAP_END
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/*-------------------------------------------------
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/*-------------------------------------------------
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@ -257,21 +217,6 @@ INPUT_CHANGED_MEMBER( sg1000_state::trigger_nmi )
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m_maincpu->set_input_line(INPUT_LINE_NMI, newval ? CLEAR_LINE : ASSERT_LINE);
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m_maincpu->set_input_line(INPUT_LINE_NMI, newval ? CLEAR_LINE : ASSERT_LINE);
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}
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}
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/*-------------------------------------------------
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INPUT_PORTS( tvdraw )
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-------------------------------------------------*/
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static INPUT_PORTS_START( tvdraw )
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PORT_START("TVDRAW_X")
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PORT_BIT( 0xff, 0x80, IPT_LIGHTGUN_X ) PORT_CROSSHAIR(X, 1.0, 0.0, 0) PORT_SENSITIVITY(50) PORT_KEYDELTA(10) PORT_PLAYER(1)
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PORT_START("TVDRAW_Y")
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PORT_BIT( 0xff, 0x60, IPT_LIGHTGUN_Y ) PORT_CROSSHAIR(Y, 1.0, 0.0, 0) PORT_MINMAX(0, 191) PORT_SENSITIVITY(50) PORT_KEYDELTA(10) PORT_PLAYER(1)
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PORT_START("TVDRAW_PEN")
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PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_NAME("Pen")
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INPUT_PORTS_END
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/*-------------------------------------------------
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/*-------------------------------------------------
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INPUT_PORTS( sg1000 )
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INPUT_PORTS( sg1000 )
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-------------------------------------------------*/
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-------------------------------------------------*/
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@ -296,8 +241,6 @@ static INPUT_PORTS_START( sg1000 )
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PORT_START("NMI")
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PORT_START("NMI")
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PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_START ) PORT_NAME("PAUSE") PORT_CODE(KEYCODE_P) PORT_CHANGED_MEMBER(DEVICE_SELF, sg1000_state, trigger_nmi, 0)
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PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_START ) PORT_NAME("PAUSE") PORT_CODE(KEYCODE_P) PORT_CHANGED_MEMBER(DEVICE_SELF, sg1000_state, trigger_nmi, 0)
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PORT_INCLUDE( tvdraw )
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INPUT_PORTS_END
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INPUT_PORTS_END
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/*-------------------------------------------------
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/*-------------------------------------------------
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@ -351,8 +294,6 @@ static INPUT_PORTS_START( omv )
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PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2)
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PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2)
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PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2)
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PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2)
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PORT_BIT( 0xf0, IP_ACTIVE_LOW, IPT_UNUSED )
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PORT_BIT( 0xf0, IP_ACTIVE_LOW, IPT_UNUSED )
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PORT_INCLUDE( tvdraw )
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INPUT_PORTS_END
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INPUT_PORTS_END
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/*-------------------------------------------------
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/*-------------------------------------------------
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@ -487,7 +428,6 @@ INPUT_PORTS_END
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static INPUT_PORTS_START( sc3000 )
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static INPUT_PORTS_START( sc3000 )
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PORT_INCLUDE( sk1100 )
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PORT_INCLUDE( sk1100 )
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PORT_INCLUDE( tvdraw )
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INPUT_PORTS_END
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INPUT_PORTS_END
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/*-------------------------------------------------
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/*-------------------------------------------------
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@ -626,244 +566,6 @@ const cassette_interface sc3000_cassette_interface =
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NULL
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NULL
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};
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};
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/***************************************************************************
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CARTRIDGE LOADING
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***************************************************************************/
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/*-------------------------------------------------
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sg1000_install_cartridge -
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-------------------------------------------------*/
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void sg1000_state::install_cartridge(UINT8 *ptr, int size)
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{
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address_space &program = m_maincpu->space(AS_PROGRAM);
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switch (size)
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{
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case 40 * 1024:
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program.install_read_bank(0x8000, 0x9fff, "bank1");
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program.unmap_write(0x8000, 0x9fff);
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membank("bank1")->configure_entry(0, m_rom->base() + 0x8000);
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membank("bank1")->set_entry(0);
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break;
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case 48 * 1024:
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program.install_read_bank(0x8000, 0xbfff, "bank1");
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program.unmap_write(0x8000, 0xbfff);
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membank("bank1")->configure_entry(0, m_rom->base() + 0x8000);
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membank("bank1")->set_entry(0);
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break;
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default:
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if (IS_CARTRIDGE_TV_DRAW(ptr))
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{
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program.install_write_handler(0x6000, 0x6000, 0, 0, write8_delegate(FUNC(sg1000_state::tvdraw_axis_w), this), 0);
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program.install_read_handler(0x8000, 0x8000, 0, 0, read8_delegate(FUNC(sg1000_state::tvdraw_status_r), this), 0);
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program.install_read_handler(0xa000, 0xa000, 0, 0, read8_delegate(FUNC(sg1000_state::tvdraw_data_r), this), 0);
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program.nop_write(0xa000, 0xa000);
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}
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else if (IS_CARTRIDGE_THE_CASTLE(ptr))
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{
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|
||||||
program.install_readwrite_bank(0x8000, 0x9fff, "bank1");
|
|
||||||
}
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/*-------------------------------------------------
|
|
||||||
DEVICE_IMAGE_LOAD( sg1000_cart )
|
|
||||||
-------------------------------------------------*/
|
|
||||||
|
|
||||||
DEVICE_IMAGE_LOAD_MEMBER( sg1000_state,sg1000_cart )
|
|
||||||
{
|
|
||||||
address_space &program = m_maincpu->space(AS_PROGRAM);
|
|
||||||
UINT8 *ptr = m_rom->base();
|
|
||||||
UINT32 ram_size = 0x400;
|
|
||||||
bool install_2000_ram = false;
|
|
||||||
UINT32 size;
|
|
||||||
|
|
||||||
if (image.software_entry() == NULL)
|
|
||||||
{
|
|
||||||
size = image.length();
|
|
||||||
if (image.fread( ptr, size) != size)
|
|
||||||
return IMAGE_INIT_FAIL;
|
|
||||||
}
|
|
||||||
else
|
|
||||||
{
|
|
||||||
size = image.get_software_region_length("rom");
|
|
||||||
memcpy(ptr, image.get_software_region("rom"), size);
|
|
||||||
|
|
||||||
const char *needs_addon = image.get_feature("needs_addon");
|
|
||||||
|
|
||||||
//
|
|
||||||
// The Dahjee (Type A) RAM cartridge had 9KB of RAM. 1KB replaces
|
|
||||||
// the main unit's system ram (0xC000-0xC3FF) and 8K which appears
|
|
||||||
// at 0x2000-0x3FFF in the memory map.
|
|
||||||
//
|
|
||||||
if ( needs_addon && ! strcmp( needs_addon, "dahjee_type_a" ) )
|
|
||||||
{
|
|
||||||
install_2000_ram = true;
|
|
||||||
}
|
|
||||||
|
|
||||||
//
|
|
||||||
// The Dahjee (Type B) RAM cartridge had 8KB of RAM which
|
|
||||||
// replaces the main unit RAM in the memory map. (0xC000-0xDFFF area)
|
|
||||||
//
|
|
||||||
if ( needs_addon && ! strcmp( needs_addon, "dahjee_type_b" ) )
|
|
||||||
{
|
|
||||||
ram_size = 0x2000;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// Try to auto-detect special features
|
|
||||||
if ( ! install_2000_ram && ram_size == 0x400 )
|
|
||||||
{
|
|
||||||
if ( size >= 0x8000 )
|
|
||||||
{
|
|
||||||
int x2000_3000 = 0, xd000_e000_f000 = 0, x2000_ff = 0;
|
|
||||||
|
|
||||||
for ( int i = 0; i < 0x8000; i++ )
|
|
||||||
{
|
|
||||||
if ( ptr[i] == 0x32 )
|
|
||||||
{
|
|
||||||
UINT16 addr = ptr[i+1] | ( ptr[i+2] << 8 );
|
|
||||||
|
|
||||||
switch ( addr & 0xF000 )
|
|
||||||
{
|
|
||||||
case 0x2000:
|
|
||||||
case 0x3000:
|
|
||||||
i += 2;
|
|
||||||
x2000_3000++;
|
|
||||||
break;
|
|
||||||
|
|
||||||
case 0xD000:
|
|
||||||
case 0xE000:
|
|
||||||
case 0xF000:
|
|
||||||
i += 2;
|
|
||||||
xd000_e000_f000++;
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
for ( int i = 0x2000; i < 0x4000; i++ )
|
|
||||||
{
|
|
||||||
if ( ptr[i] == 0xFF )
|
|
||||||
{
|
|
||||||
x2000_ff++;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
if ( x2000_ff == 0x2000 && ( xd000_e000_f000 > 10 || x2000_3000 > 10 ) )
|
|
||||||
{
|
|
||||||
if ( xd000_e000_f000 > x2000_3000 )
|
|
||||||
{
|
|
||||||
// Type B
|
|
||||||
ram_size = 0x2000;
|
|
||||||
}
|
|
||||||
else
|
|
||||||
{
|
|
||||||
// Type A
|
|
||||||
install_2000_ram = true;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/* cartridge ROM banking */
|
|
||||||
install_cartridge(ptr, size);
|
|
||||||
|
|
||||||
if ( install_2000_ram )
|
|
||||||
{
|
|
||||||
program.install_ram(0x2000, 0x3FFF);
|
|
||||||
}
|
|
||||||
|
|
||||||
/* work RAM banking */
|
|
||||||
program.install_readwrite_bank(0xc000, 0xc000 + ram_size - 1, 0, 0x4000 - ram_size, "bank2");
|
|
||||||
|
|
||||||
return IMAGE_INIT_PASS;
|
|
||||||
}
|
|
||||||
|
|
||||||
/*-------------------------------------------------
|
|
||||||
DEVICE_IMAGE_LOAD( omv_cart )
|
|
||||||
-------------------------------------------------*/
|
|
||||||
|
|
||||||
DEVICE_IMAGE_LOAD_MEMBER( sg1000_state,omv_cart )
|
|
||||||
{
|
|
||||||
UINT32 size;
|
|
||||||
UINT8 *ptr = m_rom->base();
|
|
||||||
|
|
||||||
if (image.software_entry() == NULL)
|
|
||||||
{
|
|
||||||
size = image.length();
|
|
||||||
if (image.fread( ptr, size) != size)
|
|
||||||
return IMAGE_INIT_FAIL;
|
|
||||||
}
|
|
||||||
else
|
|
||||||
{
|
|
||||||
size = image.get_software_region_length("rom");
|
|
||||||
memcpy(ptr, image.get_software_region("rom"), size);
|
|
||||||
}
|
|
||||||
|
|
||||||
/* cartridge ROM banking */
|
|
||||||
install_cartridge(ptr, size);
|
|
||||||
|
|
||||||
return IMAGE_INIT_PASS;
|
|
||||||
}
|
|
||||||
|
|
||||||
/*-------------------------------------------------
|
|
||||||
sc3000_install_cartridge -
|
|
||||||
-------------------------------------------------*/
|
|
||||||
|
|
||||||
void sc3000_state::install_cartridge(UINT8 *ptr, int size)
|
|
||||||
{
|
|
||||||
address_space &program = m_maincpu->space(AS_PROGRAM);
|
|
||||||
|
|
||||||
/* include SG-1000 mapping */
|
|
||||||
sg1000_state::install_cartridge(ptr, size);
|
|
||||||
|
|
||||||
if (IS_CARTRIDGE_BASIC_LEVEL_III(ptr))
|
|
||||||
{
|
|
||||||
program.install_readwrite_bank(0x8000, 0xbfff, "bank1");
|
|
||||||
program.install_readwrite_bank(0xc000, 0xffff, "bank2");
|
|
||||||
}
|
|
||||||
else if (IS_CARTRIDGE_MUSIC_EDITOR(ptr))
|
|
||||||
{
|
|
||||||
program.install_readwrite_bank(0x8000, 0x9fff, "bank1");
|
|
||||||
program.install_readwrite_bank(0xc000, 0xc7ff, 0, 0x3800, "bank2");
|
|
||||||
}
|
|
||||||
else
|
|
||||||
{
|
|
||||||
/* regular cartridges */
|
|
||||||
program.install_readwrite_bank(0xc000, 0xc7ff, 0, 0x3800, "bank2");
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/*-------------------------------------------------
|
|
||||||
DEVICE_IMAGE_LOAD( sc3000_cart )
|
|
||||||
-------------------------------------------------*/
|
|
||||||
|
|
||||||
DEVICE_IMAGE_LOAD_MEMBER( sc3000_state,sc3000_cart )
|
|
||||||
{
|
|
||||||
UINT8 *ptr = m_rom->base();
|
|
||||||
UINT32 size;
|
|
||||||
|
|
||||||
if (image.software_entry() == NULL)
|
|
||||||
{
|
|
||||||
size = image.length();
|
|
||||||
if (image.fread( ptr, size) != size)
|
|
||||||
return IMAGE_INIT_FAIL;
|
|
||||||
}
|
|
||||||
else
|
|
||||||
{
|
|
||||||
size = image.get_software_region_length("rom");
|
|
||||||
memcpy(ptr, image.get_software_region("rom"), size);
|
|
||||||
}
|
|
||||||
|
|
||||||
/* cartridge ROM and work RAM banking */
|
|
||||||
install_cartridge(ptr, size);
|
|
||||||
|
|
||||||
return IMAGE_INIT_PASS;
|
|
||||||
}
|
|
||||||
|
|
||||||
/*-------------------------------------------------
|
/*-------------------------------------------------
|
||||||
I8255_INTERFACE( sf7000_ppi_intf )
|
I8255_INTERFACE( sf7000_ppi_intf )
|
||||||
-------------------------------------------------*/
|
-------------------------------------------------*/
|
||||||
@ -996,54 +698,17 @@ static const rs232_port_interface rs232_intf =
|
|||||||
DEVCB_NULL
|
DEVCB_NULL
|
||||||
};
|
};
|
||||||
|
|
||||||
/***************************************************************************
|
|
||||||
MACHINE INITIALIZATION
|
|
||||||
***************************************************************************/
|
|
||||||
|
|
||||||
void sg1000_state::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr)
|
|
||||||
{
|
|
||||||
switch (id)
|
|
||||||
{
|
|
||||||
case TIMER_LIGHTGUN_TICK:
|
|
||||||
lightgun_tick(ptr, param);
|
|
||||||
break;
|
|
||||||
default:
|
|
||||||
assert_always(FALSE, "Unknown id in sg1000_state::device_timer");
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
/*-------------------------------------------------
|
|
||||||
TIMER_CALLBACK_MEMBER( lightgun_tick )
|
|
||||||
-------------------------------------------------*/
|
|
||||||
|
|
||||||
TIMER_CALLBACK_MEMBER(sg1000_state::lightgun_tick)
|
|
||||||
{
|
|
||||||
UINT8 *rom = m_rom->base();
|
|
||||||
|
|
||||||
if (IS_CARTRIDGE_TV_DRAW(rom))
|
|
||||||
{
|
|
||||||
/* enable crosshair for TV Draw */
|
|
||||||
crosshair_set_screen(machine(), 0, CROSSHAIR_SCREEN_ALL);
|
|
||||||
}
|
|
||||||
else
|
|
||||||
{
|
|
||||||
/* disable crosshair for other cartridges */
|
|
||||||
crosshair_set_screen(machine(), 0, CROSSHAIR_SCREEN_NONE);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/*-------------------------------------------------
|
/*-------------------------------------------------
|
||||||
MACHINE_START( sg1000 )
|
MACHINE_START( sg1000 )
|
||||||
-------------------------------------------------*/
|
-------------------------------------------------*/
|
||||||
|
|
||||||
void sg1000_state::machine_start()
|
void sg1000_state::machine_start()
|
||||||
{
|
{
|
||||||
/* toggle light gun crosshair */
|
if (m_cartslot->get_type() == SEGA8_DAHJEE_TYPEA || m_cartslot->get_type() == SEGA8_DAHJEE_TYPEB)
|
||||||
timer_set(attotime::zero, TIMER_LIGHTGUN_TICK);
|
{
|
||||||
|
m_maincpu->space(AS_PROGRAM).install_read_handler(0xc000, 0xffff, 0, 0, read8_delegate(FUNC(sega8_cart_slot_device::read_ram),(sega8_cart_slot_device*)m_cartslot));
|
||||||
/* register for state saving */
|
m_maincpu->space(AS_PROGRAM).install_write_handler(0xc000, 0xffff, 0, 0, write8_delegate(FUNC(sega8_cart_slot_device::write_ram),(sega8_cart_slot_device*)m_cartslot));
|
||||||
save_item(NAME(m_tvdraw_data));
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
/*-------------------------------------------------
|
/*-------------------------------------------------
|
||||||
@ -1074,8 +739,14 @@ void sc3000_state::machine_start()
|
|||||||
m_key_row[15] = m_pb7;
|
m_key_row[15] = m_pb7;
|
||||||
|
|
||||||
/* register for state saving */
|
/* register for state saving */
|
||||||
save_item(NAME(m_tvdraw_data));
|
|
||||||
save_item(NAME(m_keylatch));
|
save_item(NAME(m_keylatch));
|
||||||
|
|
||||||
|
if (m_cartslot && (m_cartslot->get_type() == SEGA8_BASIC_L3 || m_cartslot->get_type() == SEGA8_MUSIC_EDITOR
|
||||||
|
|| m_cartslot->get_type() == SEGA8_DAHJEE_TYPEA || m_cartslot->get_type() == SEGA8_DAHJEE_TYPEB))
|
||||||
|
{
|
||||||
|
m_maincpu->space(AS_PROGRAM).install_read_handler(0xc000, 0xffff, 0, 0, read8_delegate(FUNC(sega8_cart_slot_device::read_ram),(sega8_cart_slot_device*)m_cartslot));
|
||||||
|
m_maincpu->space(AS_PROGRAM).install_write_handler(0xc000, 0xffff, 0, 0, write8_delegate(FUNC(sega8_cart_slot_device::write_ram),(sega8_cart_slot_device*)m_cartslot));
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
@ -1107,6 +778,17 @@ void sf7000_state::machine_reset()
|
|||||||
MACHINE DRIVERS
|
MACHINE DRIVERS
|
||||||
***************************************************************************/
|
***************************************************************************/
|
||||||
|
|
||||||
|
|
||||||
|
static SLOT_INTERFACE_START(sg1000_cart)
|
||||||
|
SLOT_INTERFACE_INTERNAL("rom", SEGA8_ROM_STD)
|
||||||
|
SLOT_INTERFACE_INTERNAL("castle", SEGA8_ROM_CASTLE)
|
||||||
|
SLOT_INTERFACE_INTERNAL("terebi", SEGA8_ROM_TEREBI)
|
||||||
|
SLOT_INTERFACE_INTERNAL("level3", SEGA8_ROM_BASIC_L3)
|
||||||
|
SLOT_INTERFACE_INTERNAL("music_editor", SEGA8_ROM_MUSIC_EDITOR)
|
||||||
|
SLOT_INTERFACE_INTERNAL("dahjee_typea", SEGA8_ROM_DAHJEE_TYPEA)
|
||||||
|
SLOT_INTERFACE_INTERNAL("dahjee_typeb", SEGA8_ROM_DAHJEE_TYPEB)
|
||||||
|
SLOT_INTERFACE_END
|
||||||
|
|
||||||
/*-------------------------------------------------
|
/*-------------------------------------------------
|
||||||
MACHINE_CONFIG_START( sg1000, sg1000_state )
|
MACHINE_CONFIG_START( sg1000, sg1000_state )
|
||||||
-------------------------------------------------*/
|
-------------------------------------------------*/
|
||||||
@ -1129,11 +811,7 @@ static MACHINE_CONFIG_START( sg1000, sg1000_state )
|
|||||||
MCFG_SOUND_CONFIG(psg_intf)
|
MCFG_SOUND_CONFIG(psg_intf)
|
||||||
|
|
||||||
/* cartridge */
|
/* cartridge */
|
||||||
MCFG_CARTSLOT_ADD("cart")
|
MCFG_SG1000_CARTRIDGE_ADD(CARTSLOT_TAG, sg1000_cart, NULL, NULL)
|
||||||
MCFG_CARTSLOT_EXTENSION_LIST("sg,bin")
|
|
||||||
MCFG_CARTSLOT_MANDATORY
|
|
||||||
MCFG_CARTSLOT_INTERFACE("sg1000_cart")
|
|
||||||
MCFG_CARTSLOT_LOAD(sg1000_state,sg1000_cart)
|
|
||||||
|
|
||||||
/* software lists */
|
/* software lists */
|
||||||
MCFG_SOFTWARE_LIST_ADD("cart_list","sg1000")
|
MCFG_SOFTWARE_LIST_ADD("cart_list","sg1000")
|
||||||
@ -1152,10 +830,8 @@ static MACHINE_CONFIG_DERIVED( omv, sg1000 )
|
|||||||
MCFG_CPU_PROGRAM_MAP(omv_map)
|
MCFG_CPU_PROGRAM_MAP(omv_map)
|
||||||
MCFG_CPU_IO_MAP(omv_io_map)
|
MCFG_CPU_IO_MAP(omv_io_map)
|
||||||
|
|
||||||
MCFG_CARTSLOT_MODIFY("cart")
|
MCFG_DEVICE_REMOVE(CARTSLOT_TAG)
|
||||||
MCFG_CARTSLOT_EXTENSION_LIST("sg,bin")
|
MCFG_OMV_CARTRIDGE_ADD(CARTSLOT_TAG, sg1000_cart, NULL, NULL)
|
||||||
MCFG_CARTSLOT_NOT_MANDATORY
|
|
||||||
MCFG_CARTSLOT_LOAD(sg1000_state,omv_cart)
|
|
||||||
|
|
||||||
MCFG_RAM_MODIFY(RAM_TAG)
|
MCFG_RAM_MODIFY(RAM_TAG)
|
||||||
MCFG_RAM_DEFAULT_SIZE("2K")
|
MCFG_RAM_DEFAULT_SIZE("2K")
|
||||||
@ -1188,11 +864,7 @@ static MACHINE_CONFIG_START( sc3000, sc3000_state )
|
|||||||
MCFG_CASSETTE_ADD("cassette", sc3000_cassette_interface)
|
MCFG_CASSETTE_ADD("cassette", sc3000_cassette_interface)
|
||||||
|
|
||||||
/* cartridge */
|
/* cartridge */
|
||||||
MCFG_CARTSLOT_ADD("cart")
|
MCFG_SC3000_CARTRIDGE_ADD(CARTSLOT_TAG, sg1000_cart, NULL, NULL)
|
||||||
MCFG_CARTSLOT_EXTENSION_LIST("sg,sc,bin")
|
|
||||||
MCFG_CARTSLOT_MANDATORY
|
|
||||||
MCFG_CARTSLOT_INTERFACE("sg1000_cart")
|
|
||||||
MCFG_CARTSLOT_LOAD(sc3000_state,sc3000_cart)
|
|
||||||
|
|
||||||
/* software lists */
|
/* software lists */
|
||||||
MCFG_SOFTWARE_LIST_ADD("cart_list","sg1000")
|
MCFG_SOFTWARE_LIST_ADD("cart_list","sg1000")
|
||||||
|
|||||||
@ -12,6 +12,7 @@
|
|||||||
#include "machine/i8255.h"
|
#include "machine/i8255.h"
|
||||||
#include "machine/i8251.h"
|
#include "machine/i8251.h"
|
||||||
#include "machine/ram.h"
|
#include "machine/ram.h"
|
||||||
|
#include "machine/sega8_slot.h"
|
||||||
#include "machine/serial.h"
|
#include "machine/serial.h"
|
||||||
#include "machine/upd765.h"
|
#include "machine/upd765.h"
|
||||||
#include "sound/sn76496.h"
|
#include "sound/sn76496.h"
|
||||||
@ -29,18 +30,8 @@
|
|||||||
#define CENTRONICS_TAG "centronics"
|
#define CENTRONICS_TAG "centronics"
|
||||||
#define TMS9918A_TAG "tms9918a"
|
#define TMS9918A_TAG "tms9918a"
|
||||||
#define RS232_TAG "rs232"
|
#define RS232_TAG "rs232"
|
||||||
|
#define CARTSLOT_TAG "slot"
|
||||||
|
|
||||||
#define IS_CARTRIDGE_TV_DRAW(ptr) \
|
|
||||||
(!strncmp("annakmn", (const char *)&ptr[0x13b3], 7))
|
|
||||||
|
|
||||||
#define IS_CARTRIDGE_THE_CASTLE(ptr) \
|
|
||||||
(!strncmp("ASCII 1986", (const char *)&ptr[0x1cc3], 10))
|
|
||||||
|
|
||||||
#define IS_CARTRIDGE_BASIC_LEVEL_III(ptr) \
|
|
||||||
(!strncmp("SC-3000 BASIC Level 3 ver 1.0", (const char *)&ptr[0x6a20], 29))
|
|
||||||
|
|
||||||
#define IS_CARTRIDGE_MUSIC_EDITOR(ptr) \
|
|
||||||
(!strncmp("PIANO", (const char *)&ptr[0x0841], 5))
|
|
||||||
|
|
||||||
INPUT_PORTS_EXTERN( sk1100 );
|
INPUT_PORTS_EXTERN( sk1100 );
|
||||||
extern const i8255_interface ( sc3000_ppi_intf );
|
extern const i8255_interface ( sc3000_ppi_intf );
|
||||||
@ -58,35 +49,27 @@ public:
|
|||||||
: driver_device(mconfig, type, tag),
|
: driver_device(mconfig, type, tag),
|
||||||
m_maincpu(*this, Z80_TAG),
|
m_maincpu(*this, Z80_TAG),
|
||||||
m_ram(*this, RAM_TAG),
|
m_ram(*this, RAM_TAG),
|
||||||
m_rom(*this, Z80_TAG)
|
m_rom(*this, Z80_TAG),
|
||||||
|
m_cartslot(*this, CARTSLOT_TAG)
|
||||||
{ }
|
{ }
|
||||||
|
|
||||||
required_device<cpu_device> m_maincpu;
|
required_device<cpu_device> m_maincpu;
|
||||||
required_device<ram_device> m_ram;
|
required_device<ram_device> m_ram;
|
||||||
required_memory_region m_rom;
|
required_memory_region m_rom;
|
||||||
|
optional_device<sega8_cart_slot_device> m_cartslot;
|
||||||
|
|
||||||
virtual void machine_start();
|
virtual void machine_start();
|
||||||
|
|
||||||
void install_cartridge(UINT8 *ptr, int size);
|
|
||||||
|
|
||||||
DECLARE_WRITE8_MEMBER( tvdraw_axis_w );
|
|
||||||
DECLARE_READ8_MEMBER( tvdraw_status_r );
|
|
||||||
DECLARE_READ8_MEMBER( tvdraw_data_r );
|
|
||||||
DECLARE_READ8_MEMBER( joysel_r );
|
DECLARE_READ8_MEMBER( joysel_r );
|
||||||
DECLARE_INPUT_CHANGED_MEMBER( trigger_nmi );
|
DECLARE_INPUT_CHANGED_MEMBER( trigger_nmi );
|
||||||
DECLARE_DEVICE_IMAGE_LOAD_MEMBER( sg1000_cart );
|
|
||||||
DECLARE_DEVICE_IMAGE_LOAD_MEMBER( omv_cart );
|
DECLARE_READ8_MEMBER( omv_r );
|
||||||
|
DECLARE_WRITE8_MEMBER( omv_w );
|
||||||
|
|
||||||
/* keyboard state */
|
/* keyboard state */
|
||||||
UINT8 m_keylatch;
|
UINT8 m_keylatch;
|
||||||
|
|
||||||
/* TV Draw state */
|
|
||||||
UINT8 m_tvdraw_data;
|
|
||||||
TIMER_CALLBACK_MEMBER(lightgun_tick);
|
|
||||||
DECLARE_WRITE_LINE_MEMBER(sg1000_vdp_interrupt);
|
DECLARE_WRITE_LINE_MEMBER(sg1000_vdp_interrupt);
|
||||||
|
|
||||||
protected:
|
|
||||||
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr);
|
|
||||||
};
|
};
|
||||||
|
|
||||||
class sc3000_state : public sg1000_state
|
class sc3000_state : public sg1000_state
|
||||||
@ -133,12 +116,9 @@ public:
|
|||||||
|
|
||||||
virtual void machine_start();
|
virtual void machine_start();
|
||||||
|
|
||||||
void install_cartridge(UINT8 *ptr, int size);
|
|
||||||
|
|
||||||
DECLARE_READ8_MEMBER( ppi_pa_r );
|
DECLARE_READ8_MEMBER( ppi_pa_r );
|
||||||
DECLARE_READ8_MEMBER( ppi_pb_r );
|
DECLARE_READ8_MEMBER( ppi_pb_r );
|
||||||
DECLARE_WRITE8_MEMBER( ppi_pc_w );
|
DECLARE_WRITE8_MEMBER( ppi_pc_w );
|
||||||
DECLARE_DEVICE_IMAGE_LOAD_MEMBER( sc3000_cart );
|
|
||||||
|
|
||||||
ioport_port* m_key_row[16];
|
ioport_port* m_key_row[16];
|
||||||
};
|
};
|
||||||
|
|||||||
@ -590,7 +590,7 @@ int sega8_cart_slot_device::get_cart_type(UINT8 *ROM, UINT32 len)
|
|||||||
type = SEGA8_BASIC_L3;
|
type = SEGA8_BASIC_L3;
|
||||||
|
|
||||||
// Music Editor
|
// Music Editor
|
||||||
if (!strncmp((const char *)&ROM[0x0841], "PIANO", 5))
|
if (!strncmp((const char *)&ROM[0x0841], "PIANO", 5) || !strncmp((const char *)&ROM[0x0841], "music", 5))
|
||||||
type = SEGA8_MUSIC_EDITOR;
|
type = SEGA8_MUSIC_EDITOR;
|
||||||
|
|
||||||
|
|
||||||
|
|||||||
@ -168,6 +168,34 @@ public:
|
|||||||
DEVICE CONFIGURATION MACROS
|
DEVICE CONFIGURATION MACROS
|
||||||
***************************************************************************/
|
***************************************************************************/
|
||||||
|
|
||||||
|
#define MCFG_SG1000_CARTRIDGE_ADD(_tag,_slot_intf,_def_slot,_def_inp) \
|
||||||
|
MCFG_DEVICE_ADD(_tag, SEGA8_CART_SLOT, 0) \
|
||||||
|
MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _def_slot, _def_inp, false) \
|
||||||
|
static_cast<sega8_cart_slot_device *>(device)->set_mandatory(TRUE); \
|
||||||
|
static_cast<sega8_cart_slot_device *>(device)->set_intf("sg1000_cart"); \
|
||||||
|
static_cast<sega8_cart_slot_device *>(device)->set_ext("bin,sg");
|
||||||
|
|
||||||
|
#define MCFG_OMV_CARTRIDGE_ADD(_tag,_slot_intf,_def_slot,_def_inp) \
|
||||||
|
MCFG_DEVICE_ADD(_tag, SEGA8_CART_SLOT, 0) \
|
||||||
|
MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _def_slot, _def_inp, false) \
|
||||||
|
static_cast<sega8_cart_slot_device *>(device)->set_mandatory(FALSE); \
|
||||||
|
static_cast<sega8_cart_slot_device *>(device)->set_intf("sg1000_cart"); \
|
||||||
|
static_cast<sega8_cart_slot_device *>(device)->set_ext("bin,sg");
|
||||||
|
|
||||||
|
#define MCFG_SC3000_CARTRIDGE_ADD(_tag,_slot_intf,_def_slot,_def_inp) \
|
||||||
|
MCFG_DEVICE_ADD(_tag, SEGA8_CART_SLOT, 0) \
|
||||||
|
MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _def_slot, _def_inp, false) \
|
||||||
|
static_cast<sega8_cart_slot_device *>(device)->set_mandatory(TRUE); \
|
||||||
|
static_cast<sega8_cart_slot_device *>(device)->set_intf("sg1000_cart"); \
|
||||||
|
static_cast<sega8_cart_slot_device *>(device)->set_ext("bin,sg,sc");
|
||||||
|
|
||||||
|
#define MCFG_SG1000MK3_CARTRIDGE_ADD(_tag,_slot_intf,_def_slot,_def_inp) \
|
||||||
|
MCFG_DEVICE_ADD(_tag, SEGA8_CART_SLOT, 0) \
|
||||||
|
MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _def_slot, _def_inp, false) \
|
||||||
|
static_cast<sega8_cart_slot_device *>(device)->set_mandatory(TRUE); \
|
||||||
|
static_cast<sega8_cart_slot_device *>(device)->set_intf("sms_cart"); \
|
||||||
|
static_cast<sega8_cart_slot_device *>(device)->set_ext("bin,sms,sg");
|
||||||
|
|
||||||
#define MCFG_SMS_CARTRIDGE_ADD(_tag,_slot_intf,_def_slot,_def_inp) \
|
#define MCFG_SMS_CARTRIDGE_ADD(_tag,_slot_intf,_def_slot,_def_inp) \
|
||||||
MCFG_DEVICE_ADD(_tag, SEGA8_CART_SLOT, 0) \
|
MCFG_DEVICE_ADD(_tag, SEGA8_CART_SLOT, 0) \
|
||||||
MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _def_slot, _def_inp, false) \
|
MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _def_slot, _def_inp, false) \
|
||||||
@ -182,13 +210,6 @@ public:
|
|||||||
static_cast<sega8_cart_slot_device *>(device)->set_intf("gamegear_cart"); \
|
static_cast<sega8_cart_slot_device *>(device)->set_intf("gamegear_cart"); \
|
||||||
static_cast<sega8_cart_slot_device *>(device)->set_ext("bin,gg");
|
static_cast<sega8_cart_slot_device *>(device)->set_ext("bin,gg");
|
||||||
|
|
||||||
#define MCFG_SG1000MK3_CARTRIDGE_ADD(_tag,_slot_intf,_def_slot,_def_inp) \
|
|
||||||
MCFG_DEVICE_ADD(_tag, SEGA8_CART_SLOT, 0) \
|
|
||||||
MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _def_slot, _def_inp, false) \
|
|
||||||
static_cast<sega8_cart_slot_device *>(device)->set_mandatory(TRUE); \
|
|
||||||
static_cast<sega8_cart_slot_device *>(device)->set_intf("sms_cart"); \
|
|
||||||
static_cast<sega8_cart_slot_device *>(device)->set_ext("bin,sms,sg");
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
#define MCFG_SMS_CARD_ADD(_tag,_slot_intf,_def_slot,_def_inp) \
|
#define MCFG_SMS_CARD_ADD(_tag,_slot_intf,_def_slot,_def_inp) \
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user