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NAOMI2 jumpers docs (nw)

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This commit is contained in:
MetalliC 2016-05-02 17:12:13 +03:00
parent 6a520f2b33
commit 04b70766e0
2 changed files with 9 additions and 0 deletions
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7
src/mame/drivers/naomi.cpp
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@ -216,6 +216,13 @@ Notes: (* - these parts on other side of PCB)
LED1 / LED2 - Red LED / Green LED
CN1/2/3 - Connectors for ROM cart or GDROM DIMM Unit
CN25/26 - Connectors for Filter Board
JP9-JP13 - JUMPERs set CN8 connector function: 1-2 = RS422 (315-6146 "MIE"), 2-3 = RS232C (SH4 SCIF)
CN8 1-2 2-3
JP9 1 RXD+ RXD
JP10 4 TXD+ RTS
JP11 2 RXD- TXD
JP12 5 TXD- CTS
JP13 3/6 422 232 (GND)
Filter Board

2
src/mame/machine/m3comm.cpp
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@ -249,6 +249,8 @@ READ16_MEMBER(m3comm_device::ioregs_r)
return 5; // dbg random
case 0x18 / 2: // transmit result/status
return 5; // dbg random
case 0x82 / 2: // IRQ/status ?
return 0xA0;
case 0x88 / 2:
return m_status0;
case 0x8A / 2: