-/*\r
- FUJITSU FM16pi Emulator 'eFM16pi'\r
-\r
- Author : Takeda.Toshiya\r
- Date : 2010.12.25-\r
-\r
- [ sub system ]\r
-*/\r
-\r
-#include "sub.h"\r
-#include "../../fifo.h"\r
-#include "../i8255.h"\r
-#include "../i8259.h"\r
-#include "../mb8877.h"\r
-#include "../msm58321.h"\r
-#include "../pcm1bit.h"\r
-\r
-#define EVENT_KEYSCAN 0\r
-\r
-static const int key_table[256] = {\r
- // EXT -> END, GRAPH -> ALT\r
- -1, -1, -1, -1, -1, -1, -1, -1,0x0E,0x0F, -1, -1, -1,0x1C, -1, -1,\r
- 0x37,0x36,0x3C,0x3E,0x39,0x3D, -1, -1, -1, -1, -1,0x01,0x3B,0x3A, -1, -1,\r
- 0x34, -1, -1,0x44,0x47,0x48,0x49,0x4B,0x4A, -1, -1, -1, -1,0x45,0x46, -1,\r
- 0x0B,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0A, -1, -1, -1, -1, -1, -1,\r
- -1,0x1D,0x2D,0x2B,0x1F,0x12,0x20,0x21,0x22,0x17,0x23,0x24,0x25,0x2F,0x2E,0x18,\r
- 0x19,0x10,0x13,0x1E,0x14,0x16,0x2C,0x11,0x2A,0x15,0x29, -1, -1, -1, -1, -1,\r
- 0x0B,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0A, -1, -1, -1, -1,0x31, -1,\r
- 0x3F,0x40,0x41,0x42,0x43, -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, -1,0x27,0x26,0x30,0x0C,0x31,0x32,\r
- 0x1A, -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, -1,0x1B,0x35,0x28,0x0D, -1,\r
- -1, -1,0x33, -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
-void SUB::initialize()\r
-{\r
- key_buffer = new FIFO(16);\r
- \r
- // key scan (15ms)\r
- register_event(this, EVENT_KEYSCAN, 15000, true, NULL);\r
-}\r
-\r
-void SUB::release()\r
-{\r
- key_buffer->release();\r
- delete key_buffer;\r
-}\r
-\r
-void SUB::reset()\r
-{\r
- key_buffer->clear();\r
- key_buffer->write(0xf0); // self check result\r
- key_data = 0xf0;\r
- key_irq = false;\r
- fdc_drive = fdc_side = 0; // 0xff ???\r
- rtc_data = 0;\r
-}\r
-\r
-void SUB::write_io8(uint32 addr, uint32 data)\r
-{\r
- switch(addr) {\r
- case 0x40:\r
- d_rtc->write_signal(SIG_MSM58321_CS, data, 0x10);\r
- d_rtc->write_signal(SIG_MSM58321_ADDR_WRITE, data, 0x20); // prev data is written\r
- d_rtc->write_signal(SIG_MSM58321_DATA, data, 0x0f);\r
- d_rtc->write_signal(SIG_MSM58321_READ, data, 0x40);\r
- d_rtc->write_signal(SIG_MSM58321_WRITE, data, 0x80); // current data is written\r
- break;\r
- case 0xa0:\r
- if(!(data & 8)) {\r
- d_pic->write_signal(SIG_I8259_IR6, 0, 0); // printer ack\r
- }\r
- if(!(data & 0x10)) {\r
- d_pic->write_signal(SIG_I8259_IR0, 0, 0); // interval timer\r
- d_pio->write_signal(SIG_I8255_PORT_B, 0x20, 0x20);\r
- }\r
- if(data & 0x20) {\r
- // power off\r
- emu->power_off();\r
- }\r
- d_pcm->write_signal(SIG_PCM1BIT_ON, data, 0x40);\r
- rtc_data |= data & 0x80;\r
- break;\r
- case 0xc8:\r
- d_fdc->write_signal(SIG_MB8877_SIDEREG, data, 1);\r
- fdc_side = data;\r
- break;\r
- case 0xca:\r
- d_fdc->write_signal(SIG_MB8877_DRIVEREG, data, 3);\r
- // bit6: drive disable (1=disable)\r
- d_fdc->write_signal(SIG_MB8877_MOTOR, data, 0x80);\r
- fdc_drive = data;\r
- break;\r
- }\r
-}\r
-\r
-uint32 SUB::read_io8(uint32 addr)\r
-{\r
- switch(addr) {\r
- case 0x40:\r
- return rtc_data;\r
- case 0x60:\r
- if(key_irq) {\r
- d_pic->write_signal(SIG_I8259_IR4, 0, 0);\r
- d_pio->write_signal(SIG_I8255_PORT_C, 8, 8);\r
- key_irq = false;\r
- }\r
- return key_data;\r
- case 0xc8:\r
- return fdc_side;\r
- case 0xca:\r
- return fdc_drive;\r
- }\r
- return 0xff;\r
-}\r
-\r
-void SUB::write_signal(int id, uint32 data, uint32 mask)\r
-{\r
- if(id == SIG_SUB_RTC) {\r
- // bit0-3: rtc data\r
- // bit4: rtc busy\r
- rtc_data = (rtc_data & ~mask) | (data & mask);\r
- }\r
-}\r
-\r
-void SUB::event_callback(int event_id, int err)\r
-{\r
- if(!key_buffer->empty() && !key_irq) {\r
- d_pic->write_signal(SIG_I8259_IR4, 1, 1);\r
- d_pio->write_signal(SIG_I8255_PORT_C, 0, 8);\r
- key_irq = true;\r
- key_data = key_buffer->read();\r
- }\r
-}\r
-\r
-void SUB::key_down(int code)\r
-{\r
- if((code = key_table[code]) != -1) {\r
- key_buffer->write(code);\r
- }\r
-}\r
-\r
-void SUB::key_up(int code)\r
-{\r
- if((code = key_table[code]) != -1) {\r
- key_buffer->write(code | 0x80);\r
- }\r
-}\r
-\r
-void SUB::notify_power_off()\r
-{\r
- if(rtc_data & 0x80) {\r
- d_cpu->write_signal(SIG_CPU_NMI, 1, 1);\r
- }\r
-}\r
-\r
-void SUB::draw_screen()\r
-{\r
- // 640x200, msb->lsb\r
- scrntype cd = RGB_COLOR(48, 56, 16);\r
- scrntype cb = RGB_COLOR(160, 168, 160);\r
- \r
- for(int y = 0, ptr = 0; y < 200; y++) {\r
- scrntype *dest = emu->screen_buffer(y);\r
- for(int x = 0; x < 640; x += 8) {\r
- uint8 pat = vram[ptr++];\r
- dest[0] = (pat & 0x80) ? cd : cb;\r
- dest[1] = (pat & 0x40) ? cd : cb;\r
- dest[2] = (pat & 0x20) ? cd : cb;\r
- dest[3] = (pat & 0x10) ? cd : cb;\r
- dest[4] = (pat & 0x08) ? cd : cb;\r
- dest[5] = (pat & 0x04) ? cd : cb;\r
- dest[6] = (pat & 0x02) ? cd : cb;\r
- dest[7] = (pat & 0x01) ? cd : cb;\r
- dest += 8;\r
- }\r
- }\r
-}\r
-\r
+/*
+ FUJITSU FM16pi Emulator 'eFM16pi'
+
+ Author : Takeda.Toshiya
+ Date : 2010.12.25-
+
+ [ sub system ]
+*/
+
+#include "sub.h"
+#include "../../fifo.h"
+#include "../i8255.h"
+#include "../i8259.h"
+#include "../mb8877.h"
+#include "../msm58321.h"
+#include "../pcm1bit.h"
+
+#define EVENT_KEYSCAN 0
+
+static const int key_table[256] = {
+ // EXT -> END, GRAPH -> ALT
+ -1, -1, -1, -1, -1, -1, -1, -1,0x0E,0x0F, -1, -1, -1,0x1C, -1, -1,
+ 0x37,0x36,0x3C,0x3E,0x39,0x3D, -1, -1, -1, -1, -1,0x01,0x3B,0x3A, -1, -1,
+ 0x34, -1, -1,0x44,0x47,0x48,0x49,0x4B,0x4A, -1, -1, -1, -1,0x45,0x46, -1,
+ 0x0B,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0A, -1, -1, -1, -1, -1, -1,
+ -1,0x1D,0x2D,0x2B,0x1F,0x12,0x20,0x21,0x22,0x17,0x23,0x24,0x25,0x2F,0x2E,0x18,
+ 0x19,0x10,0x13,0x1E,0x14,0x16,0x2C,0x11,0x2A,0x15,0x29, -1, -1, -1, -1, -1,
+ 0x0B,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0A, -1, -1, -1, -1,0x31, -1,
+ 0x3F,0x40,0x41,0x42,0x43, -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, -1,0x27,0x26,0x30,0x0C,0x31,0x32,
+ 0x1A, -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, -1,0x1B,0x35,0x28,0x0D, -1,
+ -1, -1,0x33, -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,
+};
+
+void SUB::initialize()
+{
+ key_buffer = new FIFO(16);
+
+ // key scan (15ms)
+ register_event(this, EVENT_KEYSCAN, 15000, true, NULL);
+}
+
+void SUB::release()
+{
+ key_buffer->release();
+ delete key_buffer;
+}
+
+void SUB::reset()
+{
+ key_buffer->clear();
+ key_buffer->write(0xf0); // self check result
+ key_data = 0xf0;
+ key_irq = false;
+ fdc_drive = fdc_side = 0; // 0xff ???
+ rtc_data = 0;
+}
+
+void SUB::write_io8(uint32 addr, uint32 data)
+{
+ switch(addr) {
+ case 0x40:
+ d_rtc->write_signal(SIG_MSM58321_CS, data, 0x10);
+ d_rtc->write_signal(SIG_MSM58321_ADDR_WRITE, data, 0x20); // prev data is written
+ d_rtc->write_signal(SIG_MSM58321_DATA, data, 0x0f);
+ d_rtc->write_signal(SIG_MSM58321_READ, data, 0x40);
+ d_rtc->write_signal(SIG_MSM58321_WRITE, data, 0x80); // current data is written
+ break;
+ case 0xa0:
+ if(!(data & 8)) {
+ d_pic->write_signal(SIG_I8259_IR6, 0, 0); // printer ack
+ }
+ if(!(data & 0x10)) {
+ d_pic->write_signal(SIG_I8259_IR0, 0, 0); // interval timer
+ d_pio->write_signal(SIG_I8255_PORT_B, 0x20, 0x20);
+ }
+ if(data & 0x20) {
+ // power off
+ emu->power_off();
+ }
+ d_pcm->write_signal(SIG_PCM1BIT_ON, data, 0x40);
+ rtc_data |= data & 0x80;
+ break;
+ case 0xc8:
+ d_fdc->write_signal(SIG_MB8877_SIDEREG, data, 1);
+ fdc_side = data;
+ break;
+ case 0xca:
+ d_fdc->write_signal(SIG_MB8877_DRIVEREG, data, 3);
+ // bit6: drive disable (1=disable)
+ d_fdc->write_signal(SIG_MB8877_MOTOR, data, 0x80);
+ fdc_drive = data;
+ break;
+ }
+}
+
+uint32 SUB::read_io8(uint32 addr)
+{
+ switch(addr) {
+ case 0x40:
+ return rtc_data;
+ case 0x60:
+ if(key_irq) {
+ d_pic->write_signal(SIG_I8259_IR4, 0, 0);
+ d_pio->write_signal(SIG_I8255_PORT_C, 8, 8);
+ key_irq = false;
+ }
+ return key_data;
+ case 0xc8:
+ return fdc_side;
+ case 0xca:
+ return fdc_drive;
+ }
+ return 0xff;
+}
+
+void SUB::write_signal(int id, uint32 data, uint32 mask)
+{
+ if(id == SIG_SUB_RTC) {
+ // bit0-3: rtc data
+ // bit4: rtc busy
+ rtc_data = (rtc_data & ~mask) | (data & mask);
+ }
+}
+
+void SUB::event_callback(int event_id, int err)
+{
+ if(!key_buffer->empty() && !key_irq) {
+ d_pic->write_signal(SIG_I8259_IR4, 1, 1);
+ d_pio->write_signal(SIG_I8255_PORT_C, 0, 8);
+ key_irq = true;
+ key_data = key_buffer->read();
+ }
+}
+
+void SUB::key_down(int code)
+{
+ if((code = key_table[code]) != -1) {
+ key_buffer->write(code);
+ }
+}
+
+void SUB::key_up(int code)
+{
+ if((code = key_table[code]) != -1) {
+ key_buffer->write(code | 0x80);
+ }
+}
+
+void SUB::notify_power_off()
+{
+ if(rtc_data & 0x80) {
+ d_cpu->write_signal(SIG_CPU_NMI, 1, 1);
+ }
+}
+
+void SUB::draw_screen()
+{
+ // 640x200, msb->lsb
+ scrntype cd = RGB_COLOR(48, 56, 16);
+ scrntype cb = RGB_COLOR(160, 168, 160);
+
+ for(int y = 0, ptr = 0; y < 200; y++) {
+ scrntype *dest = emu->screen_buffer(y);
+ for(int x = 0; x < 640; x += 8) {
+ uint8 pat = vram[ptr++];
+ dest[0] = (pat & 0x80) ? cd : cb;
+ dest[1] = (pat & 0x40) ? cd : cb;
+ dest[2] = (pat & 0x20) ? cd : cb;
+ dest[3] = (pat & 0x10) ? cd : cb;
+ dest[4] = (pat & 0x08) ? cd : cb;
+ dest[5] = (pat & 0x04) ? cd : cb;
+ dest[6] = (pat & 0x02) ? cd : cb;
+ dest[7] = (pat & 0x01) ? cd : cb;
+ dest += 8;
+ }
+ }
+}
+
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