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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/sage2.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/sage2.c')
-rw-r--r--src/mess/drivers/sage2.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/src/mess/drivers/sage2.c b/src/mess/drivers/sage2.c
index 6d97e120073..8998446af8e 100644
--- a/src/mess/drivers/sage2.c
+++ b/src/mess/drivers/sage2.c
@@ -427,9 +427,7 @@ static const struct pit8253_interface pit1_intf =
static const i8251_interface usart0_intf =
{
- DEVCB_DEVICE_LINE_MEMBER(RS232_A_TAG, serial_port_device, rx),
DEVCB_DEVICE_LINE_MEMBER(RS232_A_TAG, serial_port_device, tx),
- DEVCB_DEVICE_LINE_MEMBER(RS232_A_TAG, rs232_port_device, dsr_r),
DEVCB_DEVICE_LINE_MEMBER(RS232_A_TAG, rs232_port_device, dtr_w),
DEVCB_DEVICE_LINE_MEMBER(RS232_A_TAG, rs232_port_device, rts_w),
DEVCB_CPU_INPUT_LINE(M68000_TAG, M68K_IRQ_5),
@@ -445,9 +443,7 @@ static const i8251_interface usart0_intf =
static const i8251_interface usart1_intf =
{
- DEVCB_DEVICE_LINE_MEMBER(RS232_B_TAG, serial_port_device, rx),
DEVCB_DEVICE_LINE_MEMBER(RS232_B_TAG, serial_port_device, tx),
- DEVCB_DEVICE_LINE_MEMBER(RS232_B_TAG, rs232_port_device, dsr_r),
DEVCB_DEVICE_LINE_MEMBER(RS232_B_TAG, rs232_port_device, dtr_w),
DEVCB_DEVICE_LINE_MEMBER(RS232_B_TAG, rs232_port_device, rts_w),
DEVCB_DEVICE_LINE_MEMBER(I8259_TAG, pic8259_device, ir1_w),
@@ -555,9 +551,15 @@ static MACHINE_CONFIG_START( sage2, sage2_state )
MCFG_FLOPPY_DRIVE_ADD(UPD765_TAG ":0", sage2_floppies, "525qd", floppy_image_device::default_floppy_formats)
MCFG_FLOPPY_DRIVE_ADD(UPD765_TAG ":1", sage2_floppies, "525qd", floppy_image_device::default_floppy_formats)
MCFG_IEEE488_BUS_ADD()
+
MCFG_RS232_PORT_ADD(RS232_A_TAG, default_rs232_devices, "serial_terminal")
+ MCFG_SERIAL_OUT_RX_HANDLER(DEVWRITELINE(I8251_0_TAG, i8251_device, write_rx))
+ MCFG_RS232_OUT_DSR_HANDLER(DEVWRITELINE(I8251_0_TAG, i8251_device, write_dsr))
MCFG_DEVICE_CARD_DEVICE_INPUT_DEFAULTS("serial_terminal", terminal)
+
MCFG_RS232_PORT_ADD(RS232_B_TAG, default_rs232_devices, NULL)
+ MCFG_SERIAL_OUT_RX_HANDLER(DEVWRITELINE(I8251_1_TAG, i8251_device, write_rx))
+ MCFG_RS232_OUT_DSR_HANDLER(DEVWRITELINE(I8251_1_TAG, i8251_device, write_dsr))
// internal ram
MCFG_RAM_ADD(RAM_TAG)