-/*\r
- NEC PC-100 Emulator 'ePC-100'\r
-\r
- Author : Takeda.Toshiya\r
- Date : 2008.07.14 -\r
-\r
- [ i/o controller ]\r
-*/\r
-\r
-#include "ioctrl.h"\r
-#include "../beep.h"\r
-#include "../i8259.h"\r
-#include "../pcm1bit.h"\r
-#include "../upd765a.h"\r
-#include "../../fifo.h"\r
-\r
-static const int key_table[256] = {\r
- -1, -1, -1, -1, -1, -1, -1, -1,0x18,0x12, -1, -1, -1,0x38, -1, -1,\r
- -1,0x04,0x05,0x09, -1, -1, -1, -1, -1,0x10, -1,0x11, -1, -1, -1, -1,\r
- 0x4A, -1, -1,0x5B,0x5A,0x15,0x13,0x16,0x14, -1, -1, -1, -1,0x17, -1, -1,\r
- 0x27,0x19,0x1A,0x1B,0x1C,0x1D,0x1E,0x1F,0x20,0x26, -1, -1, -1, -1, -1, -1,\r
- -1,0x31,0x45,0x43,0x33,0x23,0x34,0x35,0x36,0x30,0x3F,0x40,0x3B,0x47,0x46,0x2B,\r
- 0x29,0x21,0x2C,0x32,0x2D,0x2F,0x44,0x22,0x3A,0x2E,0x39, -1, -1, -1, -1, -1,\r
- 0x4B,0x4F,0x50,0x51,0x52,0x53,0x54,0x56,0x57,0x58,0x59,0x55, -1,0x5C,0x4D,0x5D,\r
- 0x0B,0x0C,0x0D,0x0E,0x0F, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,0x3D,0x3C,0x48,0x28,0x41,0x42,\r
- 0x2A, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,0x37,0x25,0x3E,0x24, -1,\r
- -1, -1,0x49, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1\r
-};\r
-\r
-#define EVENT_KEY 0\r
-#define EVENT_600HZ 1\r
-#define EVENT_100HZ 2\r
-#define EVENT_50HZ 3\r
-#define EVENT_10HZ 4\r
-\r
-void IOCTRL::initialize()\r
-{\r
- // init keyboard\r
- key_stat = emu->key_buffer();\r
- mouse_stat = emu->mouse_buffer();\r
- key_buf = new FIFO(64);\r
- caps = kana = false;\r
- \r
- // timer\r
- ts = 0;\r
- \r
- // register event\r
- register_event_by_clock(this, EVENT_600HZ, CPU_CLOCKS / 600, true, NULL);\r
- register_event_by_clock(this, EVENT_100HZ, CPU_CLOCKS / 100, true, NULL);\r
- register_event_by_clock(this, EVENT_50HZ, CPU_CLOCKS / 50, true, NULL);\r
- register_event_by_clock(this, EVENT_10HZ, CPU_CLOCKS / 10, true, NULL);\r
-}\r
-\r
-void IOCTRL::release()\r
-{\r
- key_buf->release();\r
- delete key_buf;\r
-}\r
-\r
-void IOCTRL::reset()\r
-{\r
- key_val = key_mouse = 0;\r
- key_prev = -1;\r
- key_res = false;\r
- key_done = true;\r
- key_buf->clear();\r
- key_buf->write(0x1f0);\r
- key_buf->write(0x100);\r
- register_id = -1;\r
- update_key();\r
-}\r
-\r
-void IOCTRL::write_io8(uint32 addr, uint32 data)\r
-{\r
- switch(addr & 0x3f0) {\r
- case 0x22:\r
- ts = (data >> 3) & 3;\r
- d_beep->write_signal(SIG_BEEP_ON, ~data, 0x40); // tone (2400hz)\r
- d_pcm->write_signal(SIG_PCM1BIT_ON, data, 0x40); // direct\r
- d_pcm->write_signal(SIG_PCM1BIT_SIGNAL, data, 0x80); // signal\r
- break;\r
- case 0x24:\r
- // tc/vfo\r
- d_fdc->write_signal(SIG_UPD765A_TC, data, 0x40);\r
- break;\r
- }\r
-}\r
-\r
-uint32 IOCTRL::read_io8(uint32 addr)\r
-{\r
- switch(addr & 0x3ff) {\r
- case 0x20:\r
- key_done = true;\r
- update_key();\r
- return key_val;\r
- case 0x22:\r
- if(config.monitor_type) {\r
- return key_mouse | 0x0d; // virt monitor\r
- } else {\r
- return key_mouse | 0x2d; // horiz monitor\r
- }\r
- }\r
- return 0xff;\r
-}\r
-\r
-void IOCTRL::event_callback(int event_id, int err)\r
-{\r
- if(event_id == EVENT_KEY) {\r
- if(!key_buf->empty()) {\r
- key_val = key_buf->read();\r
- key_mouse = (key_val & 0x100) ? 0x10 : 0;\r
- key_val &= 0xff;\r
- key_done = false;\r
- d_pic->write_signal(SIG_I8259_IR3, 1, 1);\r
- }\r
- register_id = -1;\r
- } else if(event_id == EVENT_600HZ) {\r
- if(ts == 0) {\r
- d_pic->write_signal(SIG_I8259_IR2, 1, 1);\r
- }\r
- } else if(event_id == EVENT_100HZ) {\r
- if(ts == 1) {\r
- d_pic->write_signal(SIG_I8259_IR2, 1, 1);\r
- }\r
- } else if(event_id == EVENT_50HZ) {\r
- if(ts == 2) {\r
- d_pic->write_signal(SIG_I8259_IR2, 1, 1);\r
- }\r
- // mouse\r
- if(key_buf->empty()) {\r
- uint8 val = 0;\r
- if(!(mouse_stat[2] & 1)) val |= 1;\r
- if(!(mouse_stat[2] & 2)) val |= 2;\r
- if(caps) val |= 0x10;\r
- if(kana) val |= 0x20;\r
- if(key_stat[0xa0]) val |= 0x40; // lshift\r
- if(key_stat[0xa1]) val |= 0x80; // rshift\r
- if(mouse_stat[0] || mouse_stat[1]) {\r
- key_buf->write(val | 4);\r
- key_buf->write(mouse_stat[0] & 0xff);\r
- key_buf->write(mouse_stat[1] & 0xff);\r
- update_key();\r
- key_prev = val;\r
- } else if(key_prev != val) {\r
- key_buf->write(val);\r
- update_key();\r
- key_prev = val;\r
- }\r
- }\r
- } else if(event_id == EVENT_10HZ) {\r
- if(ts == 3) {\r
- d_pic->write_signal(SIG_I8259_IR2, 1, 1);\r
- }\r
- }\r
-}\r
-\r
-void IOCTRL::write_signal(int id, uint32 data, uint32 mask)\r
-{\r
- bool next = ((data & mask) != 0);\r
- if(!key_res && next) {\r
- // reset\r
- caps = kana = false;\r
- key_buf->clear();\r
- key_buf->write(0x1f0); // dummy\r
- key_buf->write(0x1f0); // init code\r
- key_buf->write(0x100); // error code\r
- key_done = true;\r
- update_key();\r
- }\r
- key_res = next;\r
-}\r
-\r
-void IOCTRL::key_down(int code)\r
-{\r
- if(code == 0x14) {\r
- caps = !caps;\r
- } else if(code == 0x15) {\r
- kana = !kana;\r
- } else if((code = key_table[code & 0xff]) != -1) {\r
- code |= 0x80;\r
- key_buf->write(code | 0x100);\r
- update_key();\r
- }\r
-}\r
-\r
-void IOCTRL::key_up(int code)\r
-{\r
- if((code = key_table[code & 0xff]) != -1) {\r
- code &= ~0x80;\r
- key_buf->write(code | 0x100);\r
- update_key();\r
- }\r
-}\r
-\r
-void IOCTRL::update_key()\r
-{\r
- if(key_done && !key_buf->empty()) {\r
- if(register_id == -1) {\r
- register_event(this, EVENT_KEY, 1000, false, ®ister_id);\r
- }\r
- }\r
-}\r
-\r
+/*
+ NEC PC-100 Emulator 'ePC-100'
+
+ Author : Takeda.Toshiya
+ Date : 2008.07.14 -
+
+ [ i/o controller ]
+*/
+
+#include "ioctrl.h"
+#include "../beep.h"
+#include "../i8259.h"
+#include "../pcm1bit.h"
+#include "../upd765a.h"
+#include "../../fifo.h"
+
+static const int key_table[256] = {
+ -1, -1, -1, -1, -1, -1, -1, -1,0x18,0x12, -1, -1, -1,0x38, -1, -1,
+ -1,0x04,0x05,0x09, -1, -1, -1, -1, -1,0x10, -1,0x11, -1, -1, -1, -1,
+ 0x4A, -1, -1,0x5B,0x5A,0x15,0x13,0x16,0x14, -1, -1, -1, -1,0x17, -1, -1,
+ 0x27,0x19,0x1A,0x1B,0x1C,0x1D,0x1E,0x1F,0x20,0x26, -1, -1, -1, -1, -1, -1,
+ -1,0x31,0x45,0x43,0x33,0x23,0x34,0x35,0x36,0x30,0x3F,0x40,0x3B,0x47,0x46,0x2B,
+ 0x29,0x21,0x2C,0x32,0x2D,0x2F,0x44,0x22,0x3A,0x2E,0x39, -1, -1, -1, -1, -1,
+ 0x4B,0x4F,0x50,0x51,0x52,0x53,0x54,0x56,0x57,0x58,0x59,0x55, -1,0x5C,0x4D,0x5D,
+ 0x0B,0x0C,0x0D,0x0E,0x0F, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,0x3D,0x3C,0x48,0x28,0x41,0x42,
+ 0x2A, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,0x37,0x25,0x3E,0x24, -1,
+ -1, -1,0x49, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
+};
+
+#define EVENT_KEY 0
+#define EVENT_600HZ 1
+#define EVENT_100HZ 2
+#define EVENT_50HZ 3
+#define EVENT_10HZ 4
+
+void IOCTRL::initialize()
+{
+ // init keyboard
+ key_stat = emu->get_key_buffer();
+ mouse_stat = emu->get_mouse_buffer();
+ key_buf = new FIFO(64);
+ caps = kana = false;
+
+ // timer
+ ts = 0;
+
+ // register event
+ register_event_by_clock(this, EVENT_600HZ, CPU_CLOCKS / 600, true, NULL);
+ register_event_by_clock(this, EVENT_100HZ, CPU_CLOCKS / 100, true, NULL);
+ register_event_by_clock(this, EVENT_50HZ, CPU_CLOCKS / 50, true, NULL);
+ register_event_by_clock(this, EVENT_10HZ, CPU_CLOCKS / 10, true, NULL);
+}
+
+void IOCTRL::release()
+{
+ key_buf->release();
+ delete key_buf;
+}
+
+void IOCTRL::reset()
+{
+ key_val = key_mouse = 0;
+ key_prev = -1;
+ key_res = false;
+ key_done = true;
+ key_buf->clear();
+ key_buf->write(0x1f0);
+ key_buf->write(0x100);
+ register_id = -1;
+ update_key();
+}
+
+void IOCTRL::write_io8(uint32_t addr, uint32_t data)
+{
+ switch(addr & 0x3f0) {
+ case 0x22:
+ ts = (data >> 3) & 3;
+ d_beep->write_signal(SIG_BEEP_ON, ~data, 0x40); // tone (2400hz)
+ d_pcm->write_signal(SIG_PCM1BIT_ON, data, 0x40); // direct
+ d_pcm->write_signal(SIG_PCM1BIT_SIGNAL, data, 0x80); // signal
+ break;
+ case 0x24:
+ // tc/vfo
+ d_fdc->write_signal(SIG_UPD765A_TC, data, 0x40);
+ break;
+ }
+}
+
+uint32_t IOCTRL::read_io8(uint32_t addr)
+{
+ switch(addr & 0x3ff) {
+ case 0x20:
+ key_done = true;
+ update_key();
+ return key_val;
+ case 0x22:
+ // bit1: 0 = Color Mode, 1 = Monochrome Mode
+ // bit2: 1 = Double FDD, 0 = Single FDD
+ // bit3: 1 = 2D, 0 = 2DD
+ // bit4: 1 = KD, 0 = MD
+ // bit5: 1 = Horizontal Monitor, 0 = Virtical Monitor
+ {
+ uint32_t value = key_mouse | 0x05;
+ if(!config.drive_type) {
+ value |= 0x08; // 2D
+ }
+ if(!config.monitor_type) {
+ value |= 0x20; // Horizontal Monitor
+ }
+ return value;
+ }
+ }
+ return 0xff;
+}
+
+void IOCTRL::event_callback(int event_id, int err)
+{
+ if(event_id == EVENT_KEY) {
+ if(!key_buf->empty()) {
+ key_val = key_buf->read();
+ key_mouse = (key_val & 0x100) ? 0x10 : 0;
+ key_val &= 0xff;
+ key_done = false;
+ d_pic->write_signal(SIG_I8259_IR3, 1, 1);
+ }
+ register_id = -1;
+ } else if(event_id == EVENT_600HZ) {
+ if(ts == 0) {
+ d_pic->write_signal(SIG_I8259_IR2, 1, 1);
+ }
+ } else if(event_id == EVENT_100HZ) {
+ if(ts == 1) {
+ d_pic->write_signal(SIG_I8259_IR2, 1, 1);
+ }
+ } else if(event_id == EVENT_50HZ) {
+ if(ts == 2) {
+ d_pic->write_signal(SIG_I8259_IR2, 1, 1);
+ }
+ // mouse
+ if(key_buf->empty()) {
+ uint8_t val = 0;
+ if(!(mouse_stat[2] & 1)) val |= 1;
+ if(!(mouse_stat[2] & 2)) val |= 2;
+ if(caps) val |= 0x10;
+ if(kana) val |= 0x20;
+ if(key_stat[0xa0]) val |= 0x40; // lshift
+ if(key_stat[0xa1]) val |= 0x80; // rshift
+ if(mouse_stat[0] || mouse_stat[1]) {
+ key_buf->write(val | 4);
+ key_buf->write(mouse_stat[0] & 0xff);
+ key_buf->write(mouse_stat[1] & 0xff);
+ update_key();
+ key_prev = val;
+ } else if(key_prev != val) {
+ key_buf->write(val);
+ update_key();
+ key_prev = val;
+ }
+ }
+ } else if(event_id == EVENT_10HZ) {
+ if(ts == 3) {
+ d_pic->write_signal(SIG_I8259_IR2, 1, 1);
+ }
+ }
+}
+
+void IOCTRL::write_signal(int id, uint32_t data, uint32_t mask)
+{
+ bool next = ((data & mask) != 0);
+ if(!key_res && next) {
+ // reset
+ caps = kana = false;
+ key_buf->clear();
+ key_buf->write(0x1f0); // dummy
+ key_buf->write(0x1f0); // init code
+ key_buf->write(0x100); // error code
+ key_done = true;
+ update_key();
+ }
+ key_res = next;
+}
+
+void IOCTRL::key_down(int code)
+{
+ if(code == 0x14) {
+ caps = !caps;
+ } else if(code == 0x15) {
+ kana = !kana;
+ } else if((code = key_table[code & 0xff]) != -1) {
+ code |= 0x80;
+ key_buf->write(code | 0x100);
+ update_key();
+ }
+}
+
+void IOCTRL::key_up(int code)
+{
+ if((code = key_table[code & 0xff]) != -1) {
+ code &= ~0x80;
+ key_buf->write(code | 0x100);
+ update_key();
+ }
+}
+
+void IOCTRL::update_key()
+{
+ if(key_done && !key_buf->empty()) {
+ if(register_id == -1) {
+ register_event(this, EVENT_KEY, 1000, false, ®ister_id);
+ }
+ }
+}
+
+#define STATE_VERSION 1
+
+bool IOCTRL::process_state(FILEIO* state_fio, bool loading)
+{
+ if(!state_fio->StateCheckUint32(STATE_VERSION)) {
+ return false;
+ }
+ if(!state_fio->StateCheckInt32(this_device_id)) {
+ return false;
+ }
+ state_fio->StateBool(caps);
+ state_fio->StateBool(kana);
+ if(!key_buf->process_state((void *)state_fio, loading)) {
+ return false;
+ }
+ state_fio->StateUint32(key_val);
+ state_fio->StateUint32(key_mouse);
+ state_fio->StateInt32(key_prev);
+ state_fio->StateBool(key_res);
+ state_fio->StateBool(key_done);
+ state_fio->StateInt32(register_id);
+ state_fio->StateUint8(ts);
+ return true;
+}
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