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author smf- <smf-@users.noreply.github.com>2013-12-22 16:27:05 +0000
committer smf- <smf-@users.noreply.github.com>2013-12-22 16:27:05 +0000
commit6c3f17c5956faefd2f1dc026468db2da03eee2bc (patch)
tree275f9cacd98df9821ae9e0e2a2ff4d155a4df358 /src/mess/drivers/tandy2k.c
parentb4c7b67ff9a1b12dd414502864cee66628b3bd19 (diff)
replaced read rx/cts/dcd callbacks in I8251 with write handlers, which allows multiple chips to be connected together without using glue methods. [smf]
Diffstat (limited to 'src/mess/drivers/tandy2k.c')
-rw-r--r--src/mess/drivers/tandy2k.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/mess/drivers/tandy2k.c b/src/mess/drivers/tandy2k.c
index e38347386a8..c992f59bf0a 100644
--- a/src/mess/drivers/tandy2k.c
+++ b/src/mess/drivers/tandy2k.c
@@ -408,9 +408,7 @@ WRITE_LINE_MEMBER( tandy2k_state::txrdy_w )
static const i8251_interface usart_intf =
{
- DEVCB_DEVICE_LINE_MEMBER(RS232_TAG, serial_port_device, rx),
DEVCB_DEVICE_LINE_MEMBER(RS232_TAG, serial_port_device, tx),
- DEVCB_DEVICE_LINE_MEMBER(RS232_TAG, rs232_port_device, dsr_r),
DEVCB_DEVICE_LINE_MEMBER(RS232_TAG, rs232_port_device, dtr_w),
DEVCB_DEVICE_LINE_MEMBER(RS232_TAG, rs232_port_device, rts_w),
DEVCB_DRIVER_LINE_MEMBER(tandy2k_state, rxrdy_w),
@@ -699,7 +697,11 @@ static MACHINE_CONFIG_START( tandy2k, tandy2k_state )
MCFG_FLOPPY_DRIVE_ADD(I8272A_TAG ":0", tandy2k_floppies, "525qd", floppy_image_device::default_floppy_formats)
MCFG_FLOPPY_DRIVE_ADD(I8272A_TAG ":1", tandy2k_floppies, "525qd", floppy_image_device::default_floppy_formats)
MCFG_CENTRONICS_PRINTER_ADD(CENTRONICS_TAG, standard_centronics)
+
MCFG_RS232_PORT_ADD(RS232_TAG, default_rs232_devices, NULL)
+ MCFG_SERIAL_OUT_RX_HANDLER(DEVWRITELINE(I8251A_TAG, i8251_device, write_rx))
+ MCFG_RS232_OUT_DSR_HANDLER(DEVWRITELINE(I8251A_TAG, i8251_device, write_dsr))
+
MCFG_TANDY2K_KEYBOARD_ADD(WRITELINE(tandy2k_state, kbdclk_w), WRITELINE(tandy2k_state, kbddat_w))
// software lists