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Diffstat (limited to 'src/devices/cpu/h8/h83002.c')
-rw-r--r--src/devices/cpu/h8/h83002.c219
1 files changed, 219 insertions, 0 deletions
diff --git a/src/devices/cpu/h8/h83002.c b/src/devices/cpu/h8/h83002.c
new file mode 100644
index 00000000000..451454dca40
--- /dev/null
+++ b/src/devices/cpu/h8/h83002.c
@@ -0,0 +1,219 @@
+// license:BSD-3-Clause
+// copyright-holders:Olivier Galibert
+#include "emu.h"
+#include "h83002.h"
+
+const device_type H83002 = &device_creator<h83002_device>;
+
+h83002_device::h83002_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
+ h8h_device(mconfig, H83002, "H8/3002", tag, owner, clock, "h83002", __FILE__, address_map_delegate(FUNC(h83002_device::map), this)),
+ intc(*this, "intc"),
+ adc(*this, "adc"),
+ port4(*this, "port4"),
+ port6(*this, "port6"),
+ port7(*this, "port7"),
+ port8(*this, "port8"),
+ port9(*this, "port9"),
+ porta(*this, "porta"),
+ portb(*this, "portb"),
+ timer16(*this, "timer16"),
+ timer16_0(*this, "timer16:0"),
+ timer16_1(*this, "timer16:1"),
+ timer16_2(*this, "timer16:2"),
+ timer16_3(*this, "timer16:3"),
+ timer16_4(*this, "timer16:4"),
+ sci0(*this, "sci0"),
+ sci1(*this, "sci1")
+{
+}
+
+static MACHINE_CONFIG_FRAGMENT(h83002)
+ MCFG_H8H_INTC_ADD("intc")
+ MCFG_H8_ADC_3337_ADD("adc", "intc", 60)
+ MCFG_H8_PORT_ADD("port4", h8_device::PORT_4, 0x00, 0x00)
+ MCFG_H8_PORT_ADD("port6", h8_device::PORT_6, 0x80, 0x80)
+ MCFG_H8_PORT_ADD("port7", h8_device::PORT_7, 0x00, 0x00)
+ MCFG_H8_PORT_ADD("port8", h8_device::PORT_8, 0xf0, 0xe0)
+ MCFG_H8_PORT_ADD("port9", h8_device::PORT_9, 0x00, 0xc0)
+ MCFG_H8_PORT_ADD("porta", h8_device::PORT_A, 0x00, 0x00)
+ MCFG_H8_PORT_ADD("portb", h8_device::PORT_B, 0x00, 0x00)
+ MCFG_H8_TIMER16_ADD("timer16", 5, 0xe0)
+ MCFG_H8H_TIMER16_CHANNEL_ADD("timer16:0", 2, 2, "intc", 24)
+ MCFG_H8H_TIMER16_CHANNEL_ADD("timer16:1", 2, 2, "intc", 28)
+ MCFG_H8H_TIMER16_CHANNEL_ADD("timer16:2", 2, 2, "intc", 32)
+ MCFG_H8H_TIMER16_CHANNEL_ADD("timer16:3", 2, 2, "intc", 36)
+ MCFG_H8H_TIMER16_CHANNEL_ADD("timer16:4", 2, 2, "intc", 40)
+ MCFG_H8_SCI_ADD("sci0", "intc", 52, 53, 54, 55)
+ MCFG_H8_SCI_ADD("sci1", "intc", 56, 57, 58, 59)
+MACHINE_CONFIG_END
+
+DEVICE_ADDRESS_MAP_START(map, 16, h83002_device)
+ AM_RANGE(0xfffd10, 0xffff0f) AM_RAM
+
+ AM_RANGE(0xffff60, 0xffff61) AM_DEVREADWRITE8("timer16", h8_timer16_device, tstr_r, tstr_w, 0xff00)
+ AM_RANGE(0xffff60, 0xffff61) AM_DEVREADWRITE8("timer16", h8_timer16_device, tsyr_r, tsyr_w, 0x00ff)
+ AM_RANGE(0xffff62, 0xffff63) AM_DEVREADWRITE8("timer16", h8_timer16_device, tmdr_r, tmdr_w, 0xff00)
+ AM_RANGE(0xffff62, 0xffff63) AM_DEVREADWRITE8("timer16", h8_timer16_device, tfcr_r, tfcr_w, 0x00ff)
+ AM_RANGE(0xffff64, 0xffff65) AM_DEVREADWRITE8("timer16:0", h8_timer16_channel_device, tcr_r, tcr_w, 0xff00)
+ AM_RANGE(0xffff64, 0xffff65) AM_DEVREADWRITE8("timer16:0", h8_timer16_channel_device, tior_r, tior_w, 0x00ff)
+ AM_RANGE(0xffff66, 0xffff67) AM_DEVREADWRITE8("timer16:0", h8_timer16_channel_device, tier_r, tier_w, 0xff00)
+ AM_RANGE(0xffff66, 0xffff67) AM_DEVREADWRITE8("timer16:0", h8_timer16_channel_device, tsr_r, tsr_w, 0x00ff)
+ AM_RANGE(0xffff68, 0xffff69) AM_DEVREADWRITE( "timer16:0", h8_timer16_channel_device, tcnt_r, tcnt_w )
+ AM_RANGE(0xffff6a, 0xffff6d) AM_DEVREADWRITE( "timer16:0", h8_timer16_channel_device, tgr_r, tgr_w )
+ AM_RANGE(0xffff6e, 0xffff6f) AM_DEVREADWRITE8("timer16:1", h8_timer16_channel_device, tcr_r, tcr_w, 0xff00)
+ AM_RANGE(0xffff6e, 0xffff6f) AM_DEVREADWRITE8("timer16:1", h8_timer16_channel_device, tior_r, tior_w, 0x00ff)
+ AM_RANGE(0xffff70, 0xffff71) AM_DEVREADWRITE8("timer16:1", h8_timer16_channel_device, tier_r, tier_w, 0xff00)
+ AM_RANGE(0xffff70, 0xffff71) AM_DEVREADWRITE8("timer16:1", h8_timer16_channel_device, tsr_r, tsr_w, 0x00ff)
+ AM_RANGE(0xffff72, 0xffff73) AM_DEVREADWRITE( "timer16:1", h8_timer16_channel_device, tcnt_r, tcnt_w )
+ AM_RANGE(0xffff74, 0xffff77) AM_DEVREADWRITE( "timer16:1", h8_timer16_channel_device, tgr_r, tgr_w )
+ AM_RANGE(0xffff78, 0xffff79) AM_DEVREADWRITE8("timer16:2", h8_timer16_channel_device, tcr_r, tcr_w, 0xff00)
+ AM_RANGE(0xffff78, 0xffff79) AM_DEVREADWRITE8("timer16:2", h8_timer16_channel_device, tior_r, tior_w, 0x00ff)
+ AM_RANGE(0xffff7a, 0xffff7b) AM_DEVREADWRITE8("timer16:2", h8_timer16_channel_device, tier_r, tier_w, 0xff00)
+ AM_RANGE(0xffff7a, 0xffff7b) AM_DEVREADWRITE8("timer16:2", h8_timer16_channel_device, tsr_r, tsr_w, 0x00ff)
+ AM_RANGE(0xffff7c, 0xffff7d) AM_DEVREADWRITE( "timer16:2", h8_timer16_channel_device, tcnt_r, tcnt_w )
+ AM_RANGE(0xffff7e, 0xffff81) AM_DEVREADWRITE( "timer16:2", h8_timer16_channel_device, tgr_r, tgr_w )
+ AM_RANGE(0xffff82, 0xffff83) AM_DEVREADWRITE8("timer16:3", h8_timer16_channel_device, tcr_r, tcr_w, 0xff00)
+ AM_RANGE(0xffff82, 0xffff83) AM_DEVREADWRITE8("timer16:3", h8_timer16_channel_device, tior_r, tior_w, 0x00ff)
+ AM_RANGE(0xffff84, 0xffff85) AM_DEVREADWRITE8("timer16:3", h8_timer16_channel_device, tier_r, tier_w, 0xff00)
+ AM_RANGE(0xffff84, 0xffff85) AM_DEVREADWRITE8("timer16:3", h8_timer16_channel_device, tsr_r, tsr_w, 0x00ff)
+ AM_RANGE(0xffff86, 0xffff87) AM_DEVREADWRITE( "timer16:3", h8_timer16_channel_device, tcnt_r, tcnt_w )
+ AM_RANGE(0xffff88, 0xffff8b) AM_DEVREADWRITE( "timer16:3", h8_timer16_channel_device, tgr_r, tgr_w )
+ AM_RANGE(0xffff8c, 0xffff8f) AM_DEVREADWRITE( "timer16:3", h8_timer16_channel_device, tbr_r, tbr_w )
+ AM_RANGE(0xffff90, 0xffff91) AM_DEVREADWRITE8("timer16", h8_timer16_device, toer_r, toer_w, 0xff00)
+ AM_RANGE(0xffff90, 0xffff91) AM_DEVREADWRITE8("timer16", h8_timer16_device, tocr_r, tocr_w, 0x00ff)
+ AM_RANGE(0xffff92, 0xffff93) AM_DEVREADWRITE8("timer16:4", h8_timer16_channel_device, tcr_r, tcr_w, 0xff00)
+ AM_RANGE(0xffff92, 0xffff93) AM_DEVREADWRITE8("timer16:4", h8_timer16_channel_device, tior_r, tior_w, 0x00ff)
+ AM_RANGE(0xffff94, 0xffff95) AM_DEVREADWRITE8("timer16:4", h8_timer16_channel_device, tier_r, tier_w, 0xff00)
+ AM_RANGE(0xffff94, 0xffff95) AM_DEVREADWRITE8("timer16:4", h8_timer16_channel_device, tsr_r, tsr_w, 0x00ff)
+ AM_RANGE(0xffff96, 0xffff97) AM_DEVREADWRITE( "timer16:4", h8_timer16_channel_device, tcnt_r, tcnt_w )
+ AM_RANGE(0xffff98, 0xffff9b) AM_DEVREADWRITE( "timer16:4", h8_timer16_channel_device, tgr_r, tgr_w )
+ AM_RANGE(0xffff9c, 0xffff9f) AM_DEVREADWRITE( "timer16:4", h8_timer16_channel_device, tbr_r, tbr_w )
+
+ AM_RANGE(0xffffb0, 0xffffb1) AM_DEVREADWRITE8("sci0", h8_sci_device, smr_r, smr_w, 0xff00)
+ AM_RANGE(0xffffb0, 0xffffb1) AM_DEVREADWRITE8("sci0", h8_sci_device, brr_r, brr_w, 0x00ff)
+ AM_RANGE(0xffffb2, 0xffffb3) AM_DEVREADWRITE8("sci0", h8_sci_device, scr_r, scr_w, 0xff00)
+ AM_RANGE(0xffffb2, 0xffffb3) AM_DEVREADWRITE8("sci0", h8_sci_device, tdr_r, tdr_w, 0x00ff)
+ AM_RANGE(0xffffb4, 0xffffb5) AM_DEVREADWRITE8("sci0", h8_sci_device, ssr_r, ssr_w, 0xff00)
+ AM_RANGE(0xffffb4, 0xffffb5) AM_DEVREAD8( "sci0", h8_sci_device, rdr_r, 0x00ff)
+ AM_RANGE(0xffffb8, 0xffffb9) AM_DEVREADWRITE8("sci1", h8_sci_device, smr_r, smr_w, 0xff00)
+ AM_RANGE(0xffffb8, 0xffffb9) AM_DEVREADWRITE8("sci1", h8_sci_device, brr_r, brr_w, 0x00ff)
+ AM_RANGE(0xffffba, 0xffffbb) AM_DEVREADWRITE8("sci1", h8_sci_device, scr_r, scr_w, 0xff00)
+ AM_RANGE(0xffffba, 0xffffbb) AM_DEVREADWRITE8("sci1", h8_sci_device, tdr_r, tdr_w, 0x00ff)
+ AM_RANGE(0xffffbc, 0xffffbd) AM_DEVREADWRITE8("sci1", h8_sci_device, ssr_r, ssr_w, 0xff00)
+ AM_RANGE(0xffffbc, 0xffffbd) AM_DEVREAD8( "sci1", h8_sci_device, rdr_r, 0x00ff)
+ AM_RANGE(0xffffc4, 0xffffc5) AM_DEVWRITE8( "port4", h8_port_device, ddr_w, 0x00ff)
+ AM_RANGE(0xffffc6, 0xffffc7) AM_DEVREADWRITE8("port4", h8_port_device, port_r, dr_w, 0x00ff)
+ AM_RANGE(0xffffc8, 0xffffc9) AM_DEVWRITE8( "port6", h8_port_device, ddr_w, 0x00ff)
+ AM_RANGE(0xffffca, 0xffffcb) AM_DEVREADWRITE8("port6", h8_port_device, port_r, dr_w, 0x00ff)
+ AM_RANGE(0xffffcc, 0xffffcd) AM_DEVWRITE8( "port8", h8_port_device, ddr_w, 0x00ff)
+ AM_RANGE(0xffffce, 0xffffcf) AM_DEVREAD8( "port7", h8_port_device, port_r, 0xff00)
+ AM_RANGE(0xffffce, 0xffffcf) AM_DEVREADWRITE8("port8", h8_port_device, port_r, dr_w, 0x00ff)
+ AM_RANGE(0xffffd0, 0xffffd1) AM_DEVWRITE8( "port9", h8_port_device, ddr_w, 0xff00)
+ AM_RANGE(0xffffd0, 0xffffd1) AM_DEVWRITE8( "porta", h8_port_device, ddr_w, 0x00ff)
+ AM_RANGE(0xffffd2, 0xffffd3) AM_DEVREADWRITE8("port9", h8_port_device, port_r, dr_w, 0xff00)
+ AM_RANGE(0xffffd2, 0xffffd3) AM_DEVREADWRITE8("porta", h8_port_device, port_r, dr_w, 0x00ff)
+ AM_RANGE(0xffffd4, 0xffffd5) AM_DEVWRITE8( "portb", h8_port_device, ddr_w, 0xff00)
+ AM_RANGE(0xffffd6, 0xffffd7) AM_DEVREADWRITE8("portb", h8_port_device, port_r, dr_w, 0xff00)
+ AM_RANGE(0xffffda, 0xffffdb) AM_DEVREADWRITE8("port4", h8_port_device, pcr_r, pcr_w, 0xff00)
+
+ AM_RANGE(0xffffe0, 0xffffe7) AM_DEVREAD8( "adc", h8_adc_device, addr8_r, 0xffff)
+ AM_RANGE(0xffffe8, 0xffffe9) AM_DEVREADWRITE8("adc", h8_adc_device, adcsr_r, adcsr_w, 0xff00)
+ AM_RANGE(0xffffe8, 0xffffe9) AM_DEVREADWRITE8("adc", h8_adc_device, adcr_r, adcr_w, 0x00ff)
+
+ AM_RANGE(0xfffff2, 0xfffff3) AM_READWRITE8( syscr_r, syscr_w, 0xff00)
+ AM_RANGE(0xfffff4, 0xfffff5) AM_DEVREADWRITE8("intc", h8h_intc_device, iscr_r, iscr_w, 0xff00)
+ AM_RANGE(0xfffff4, 0xfffff5) AM_DEVREADWRITE8("intc", h8h_intc_device, ier_r, ier_w, 0x00ff)
+ AM_RANGE(0xfffff6, 0xfffff7) AM_DEVREADWRITE8("intc", h8h_intc_device, isr_r, isr_w, 0xff00)
+ AM_RANGE(0xfffff8, 0xfffff9) AM_DEVREADWRITE8("intc", h8h_intc_device, icr_r, icr_w, 0xffff)
+ADDRESS_MAP_END
+
+machine_config_constructor h83002_device::device_mconfig_additions() const
+{
+ return MACHINE_CONFIG_NAME(h83002);
+}
+
+void h83002_device::execute_set_input(int inputnum, int state)
+{
+ intc->set_input(inputnum, state);
+}
+
+int h83002_device::trapa_setup()
+{
+ if(syscr & 0x08)
+ CCR |= F_I;
+ else
+ CCR |= F_I|F_UI;
+ return 8;
+}
+
+void h83002_device::irq_setup()
+{
+ if(syscr & 0x08)
+ CCR |= F_I;
+ else
+ CCR |= F_I|F_UI;
+}
+
+void h83002_device::update_irq_filter()
+{
+ switch(syscr & 0x08) {
+ case 0x00:
+ if((CCR & (F_I|F_UI)) == (F_I|F_UI))
+ intc->set_filter(2, -1);
+ else if(CCR & F_I)
+ intc->set_filter(1, -1);
+ else
+ intc->set_filter(0, -1);
+ break;
+ case 0x08:
+ if(CCR & F_I)
+ intc->set_filter(2, -1);
+ else
+ intc->set_filter(0, -1);
+ break;
+ }
+}
+
+void h83002_device::interrupt_taken()
+{
+ standard_irq_callback(intc->interrupt_taken(taken_irq_vector));
+}
+
+void h83002_device::internal_update(UINT64 current_time)
+{
+ UINT64 event_time = 0;
+
+ add_event(event_time, adc->internal_update(current_time));
+ add_event(event_time, sci0->internal_update(current_time));
+ add_event(event_time, sci1->internal_update(current_time));
+ add_event(event_time, timer16_0->internal_update(current_time));
+ add_event(event_time, timer16_1->internal_update(current_time));
+ add_event(event_time, timer16_2->internal_update(current_time));
+ add_event(event_time, timer16_3->internal_update(current_time));
+ add_event(event_time, timer16_4->internal_update(current_time));
+
+ recompute_bcount(event_time);
+}
+
+void h83002_device::device_start()
+{
+ h8h_device::device_start();
+}
+
+void h83002_device::device_reset()
+{
+ h8h_device::device_reset();
+ syscr = 0x09;
+}
+
+READ8_MEMBER(h83002_device::syscr_r)
+{
+ return syscr;
+}
+
+WRITE8_MEMBER(h83002_device::syscr_w)
+{
+ syscr = data;
+ update_irq_filter();
+ logerror("%s: syscr = %02x\n", tag(), data);
+}