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qtsbc: Minor documentation update (nw)
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@ -143,7 +143,6 @@ MACHINE_CONFIG_START(dms86_state::dms86)
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MCFG_Z80SIO_OUT_TXDB_CB(WRITELINE("rs232", rs232_port_device, write_txd))
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MCFG_Z80SIO_OUT_TXDB_CB(WRITELINE("rs232", rs232_port_device, write_txd))
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MCFG_Z80SIO_OUT_DTRB_CB(WRITELINE("rs232", rs232_port_device, write_dtr))
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MCFG_Z80SIO_OUT_DTRB_CB(WRITELINE("rs232", rs232_port_device, write_dtr))
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MCFG_Z80SIO_OUT_RTSB_CB(WRITELINE("rs232", rs232_port_device, write_rts))
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MCFG_Z80SIO_OUT_RTSB_CB(WRITELINE("rs232", rs232_port_device, write_rts))
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MCFG_Z80SIO_OUT_INT_CB(INPUTLINE("maincpu", INPUT_LINE_NMI))
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MCFG_DEVICE_ADD("rs232", RS232_PORT, default_rs232_devices, nullptr)
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MCFG_DEVICE_ADD("rs232", RS232_PORT, default_rs232_devices, nullptr)
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MCFG_RS232_RXD_HANDLER(WRITELINE("sio1", z80sio_device, rxb_w))
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MCFG_RS232_RXD_HANDLER(WRITELINE("sio1", z80sio_device, rxb_w))
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@ -14,6 +14,9 @@ Chips: P8251, D8253C, MK3880N-4 (Z80). 3x 6-sw dips. Unmarked crystal.
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A blue jumper marked 4M and 2M (between U11 and U12) selects the CPU clock.
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A blue jumper marked 4M and 2M (between U11 and U12) selects the CPU clock.
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The RS232 port uses a 26-pin header (J1) rather than the conventional DB25
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connector. The second 26-pin header (J2) is for the parallel port.
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Feature list from QT ad:
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Feature list from QT ad:
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- 1K RAM (which can be located at any 1K boundary) plus one each
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- 1K RAM (which can be located at any 1K boundary) plus one each
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Parallel and Serial I/O ports on board
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Parallel and Serial I/O ports on board
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