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ibm5150: updated chessmen (nw)

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This commit is contained in:
hap 2019-06-07 17:19:51 +02:00
parent 19dc460c66
commit 9a5e22811f
5 changed files with 11 additions and 8 deletions
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9
hash/ibm5150.xml
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@ -7701,13 +7701,8 @@ has been replaced with an all-zero block. -->
<publisher>Tasc</publisher>
<info name="usage" value="ChessMachine installation required, see README.TXT" />
<part name="flop1" interface="floppy_3_5">
<dataarea name="flop" size="737280">
<rom name="disk1.img" size="737280" crc="989b0640" sha1="bf012e74a67590a94b3320727f76c834fabe4251"/>
</dataarea>
</part>
<part name="flop2" interface="floppy_3_5">
<dataarea name="flop" size="737280">
<rom name="disk2.img" size="737280" crc="4cf95170" sha1="320710397eaf659a631bc2fdd194805a3454665d"/>
<dataarea name="flop" size="1474560">
<rom name="chessmen.img" size="1474560" crc="737be161" sha1="edc6e6506778115b5238c6e8ad907ece42d99634"/>
</dataarea>
</part>
</software>

1
src/devices/machine/chessmachine.cpp
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@ -25,6 +25,7 @@ CPU speed. It should be around 14-16MHz. The ARM CPU is rated 12MHz, they
probably went for this solution to get optimum possible speed for each module.
TODO:
- PC version still gives a sync error on boot sometimes, probably related to quantum
- is interrupt handling correct?
- timer shouldn't be needed for disabling bootstrap, real ARM has already read the next opcode

2
src/mame/drivers/polgar.cpp
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@ -4,6 +4,8 @@
Mephisto Polgar and RISC
The chess engine in Mephisto Risc is also compatible with Tasc's The ChessMachine.
TODO:
- Mephisto Risc maincpu is more likely 5MHz, but LCD doesn't like it

4
src/mame/drivers/risc2500.cpp
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@ -2,7 +2,9 @@
// copyright-holders:Sandro Ronco
/******************************************************************************
Saitek RISC 2500
Saitek RISC 2500, Mephisto Montreux
The chess engine is also compatible with Tasc's The ChessMachine software.
TODO:
- Sound is too short and high pitch, better when you underclock the cpu.

3
src/mame/drivers/tasc.cpp
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@ -4,6 +4,9 @@
Tasc ChessSystem
Commonly known as Tasc R30, it's basically a dedicated ChessMachine.
The chess engine is also compatible with Tasc's The ChessMachine software.
R30 hardware notes:
- ARM6 CPU(P60ARM/CG) @ 30MHz
- 256KB ROM, 512KB program RAM, 128KB permanent RAM