From: K.Ohta <whatisthis.sowhat@gmail.com>
Date: Wed, 29 May 2019 17:14:25 +0000 (+0900)
Subject: [VM][PC9801][WIP] Problems of EMM386.EXE(98) seems to be mis-detect of high-resolutii... 
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=054ebfd59f48fc6dd96aadd7f96bbc4a34c1cd99;p=csp-qt%2Fcommon_source_project-fm7.git

[VM][PC9801][WIP] Problems of EMM386.EXE(98) seems to be mis-detect of high-resolutiion.Will fix.
---

diff --git a/source/src/vm/common_vm/CMakeLists.txt b/source/src/vm/common_vm/CMakeLists.txt
index 990c52c59..df1bcfcba 100644
--- a/source/src/vm/common_vm/CMakeLists.txt
+++ b/source/src/vm/common_vm/CMakeLists.txt
@@ -1,6 +1,6 @@
 message("* vm/common_vm")
 
-SET(THIS_LIB_VERSION 2.16.1)
+SET(THIS_LIB_VERSION 2.16.2)
 
 #include(cotire)
 set(s_vm_common_vm_srcs
diff --git a/source/src/vm/i386.cpp b/source/src/vm/i386.cpp
index dc0214120..953291a6d 100644
--- a/source/src/vm/i386.cpp
+++ b/source/src/vm/i386.cpp
@@ -445,6 +445,7 @@ void I386::release()
 	free(opaque);
 }
 
+
 void I386::reset()
 {
 	i386_state *cpustate = (i386_state *)opaque;
diff --git a/source/src/vm/pc9801/cpureg.cpp b/source/src/vm/pc9801/cpureg.cpp
index 55b10e93c..5ce64345b 100644
--- a/source/src/vm/pc9801/cpureg.cpp
+++ b/source/src/vm/pc9801/cpureg.cpp
@@ -180,10 +180,10 @@ uint32_t CPUREG::read_io8(uint32_t addr)
 		value |= 0x20; // Internal 27-type SASI-HDD, 0 = Existing
 #endif
 		// ToDo: AMD98
-//		value |= 0x10; // Unknown
+		value |= 0x10; // Unknown
 		value |= 0x08;
 //		value |= ((d_mem->read_signal(SIG_LAST_ACCESS_INTERAM) != 0) ? 0x00: 0x08); // RAM access, 1 = Internal-standard/External-enhanced RAM, 0 = Internal-enhanced RAM
-//		value |= 0x04; // Refresh mode, 1 = Standard, 0 = High speed
+		value |= 0x04; // Refresh mode, 1 = Standard, 0 = High speed
 //#if defined(HAS_I86) || defined(HAS_V30)
 		// ToDo: Older VMs.
 		value |= ((reg_0f0 & 0x01) == 0) ? 0x00 : 0x02; // CPU mode, 1 = V30, 0 = 80286/80386
diff --git a/source/src/vm/pc9801/membus.cpp b/source/src/vm/pc9801/membus.cpp
index 9249f403d..075fb6b8b 100644
--- a/source/src/vm/pc9801/membus.cpp
+++ b/source/src/vm/pc9801/membus.cpp
@@ -530,13 +530,17 @@ uint32_t MEMBUS::read_io8(uint32_t addr)
 		return dma_access_ctrl;
 #endif
 #if !defined(SUPPORT_HIRESO)
-	case 0x0461:
+	case 0x0461: // ToDo: Some VMs enable to read value.
+		return 0xff;
+		break;
 #else
 	case 0x0091:
 #endif
 		return window_80000h >> 16;
 #if !defined(SUPPORT_HIRESO)
-	case 0x0463:
+	case 0x0463: // ToDo: Some VMs enable to read value.
+		return 0xff;
+		break;
 #else
 	case 0x0093:
 #endif
@@ -622,10 +626,9 @@ uint32_t MEMBUS::read_signal(int ch)
 void MEMBUS::config_intram()
 {
 #if !defined(SUPPORT_HIRESO)
-	#if defined(SUPPORT_32BIT_ADDRESS)
-	set_memory_rw(0x00000, (sizeof(ram) >= 0x80000) ? 0x7ffff :  (sizeof(ram) - 1), ram);
-	#elif defined(SUPPORT_24BIT_ADDRESS)
+	#if defined(SUPPORT_32BIT_ADDRESS) || defined(SUPPORT_24BIT_ADDRESS)
 	set_memory_rw(0x00000, (sizeof(ram) >= 0x80000) ? 0x7ffff :  (sizeof(ram) - 1), ram);
+//	set_memory_rw(0x00000, (sizeof(ram) >= 0xa0000) ? 0x9ffff :  (sizeof(ram) - 1), ram);
 	#else
 	set_memory_rw(0x00000, (sizeof(ram) >= 0xc0000) ? 0xbffff :  (sizeof(ram) - 1), ram);
 	#endif	
@@ -646,7 +649,8 @@ void MEMBUS::update_bios()
 {
 #if !defined(SUPPORT_HIRESO)
 	#if defined(SUPPORT_32BIT_ADDRESS)|| defined(SUPPORT_24BIT_ADDRESS)
-	unset_memory_rw(0x80000, 0xbffff);
+//	unset_memory_rw(0x80000, 0xbffff);
+	unset_memory_rw(0xa0000, 0xbffff);
 	#endif
 	set_memory_mapped_io_rw(0xa0000, 0xa4fff, d_display);
 	set_memory_mapped_io_rw(0xa8000, 0xbffff, d_display);
@@ -848,6 +852,7 @@ void MEMBUS::update_bios()
 	if((window_a0000h >= 0xa0000) && (window_a0000h <= 0xeffff)) {
 		d_display->write_signal(SIG_DISPLAY98_SET_PAGE_A0, window_a0000h, 0xffffffff);
 	}
+	
 	// ToDo: PC9821
 	#if defined(SUPPORT_32BIT_ADDRESS)
 	unset_memory_rw(0x00f00000, (UPPER_MEMORY_32BIT & 0x00ffffff) - 1);
diff --git a/source/src/vm/pc9801/pc9801.cpp b/source/src/vm/pc9801/pc9801.cpp
index 9601afe33..ca552d627 100644
--- a/source/src/vm/pc9801/pc9801.cpp
+++ b/source/src/vm/pc9801/pc9801.cpp
@@ -625,8 +625,13 @@ VM::VM(EMU* parent_emu) : VM_TEMPLATE(parent_emu)
 	io->set_iomap_alias_rw(0x0030, sio_rs, 0);
 	io->set_iomap_alias_rw(0x0032, sio_rs, 1);
 	
+#if !(defined(_PC9821AP) || defined(_PC9821AS) || defined(_PC9821AE) || defined(_PC98H) || defined(_PC98LT_VARIANTS))
+	io->set_iomap_alias_r(0x0031, pio_sys, 0);
+#else
 	io->set_iomap_alias_rw(0x0031, pio_sys, 0);
-	io->set_iomap_alias_rw(0x0033, pio_sys, 1);
+#endif
+//	io->set_iomap_alias_rw(0x0033, pio_sys, 1);
+	io->set_iomap_alias_r(0x0033, pio_sys, 1); // PORTB should be read only.
 	io->set_iomap_alias_rw(0x0035, pio_sys, 2);
 	io->set_iomap_alias_w (0x0037, pio_sys, 3);
 	
@@ -1265,8 +1270,16 @@ void VM::reset()
 	// initial device settings
 	uint8_t port_a, port_b, port_c, port_b2;
 #if defined(USE_MONITOR_TYPE) /*&& defined(SUPPORT_HIRESO)*/
+#if !defined(SUPPORT_HIRESO)
+	io->set_iovalue_single_r(0x0467, 0xfe); // Detect high-reso.
+	io->set_iovalue_single_r(0x0ca0, 0xff); // Detect high-reso.
+#endif
 	if(config.monitor_type == 0) {
+#if defined(SUPPORT_HIRESO)
 		io->set_iovalue_single_r(0x0431, 0x00);
+#else
+		io->set_iovalue_single_r(0x0431, 0x04);
+#endif
 		gdc_gfx->set_horiz_freq(24830);
 		gdc_chr->set_horiz_freq(24830);
 		
@@ -1276,7 +1289,7 @@ void VM::reset()
 		gdc_chr->set_horiz_freq(15750);
 	}
 #else
-	io->set_iovalue_single_r(0x0431, 0x00);
+	io->set_iovalue_single_r(0x0431, 0x04);
 #endif
 	// reset all devices
 	for(DEVICE* device = first_device; device; device = device->next_device) {
diff --git a/source/src/vm/pc9801/pc9801.h b/source/src/vm/pc9801/pc9801.h
index b73dc9869..df580265a 100644
--- a/source/src/vm/pc9801/pc9801.h
+++ b/source/src/vm/pc9801/pc9801.h
@@ -111,14 +111,9 @@
 	#define HAS_I286
 	#define CPU_CLOCKS		7987248
 	#define PIT_CLOCK_8MHZ
-#elif defined(_PC9801RA) || defined(_PC98RL)
-	#if defined(_PC9801RA)
-		#define DEVICE_NAME	"NEC PC-9801RA"
-		#define CONFIG_NAME	"pc9801ra"
-	#elif defined(_PC98RL)
-		#define DEVICE_NAME	"NEC PC-98RL"
-		#define CONFIG_NAME	"pc98rl"
-	#endif
+#elif defined(_PC98RL)
+	#define DEVICE_NAME	"NEC PC-98RL"
+	#define CONFIG_NAME	"pc98rl"
 	#define HAS_I386
 	#define CPU_CLOCKS		19968120
 	#define PIT_CLOCK_5MHZ
@@ -126,6 +121,16 @@
 //	#define PIT_CLOCK_8MHZ
 	#define USE_CPU_TYPE		2
 	#define SUPPORT_24BIT_ADDRESS
+#elif defined(_PC9801RA)
+	#define DEVICE_NAME	"NEC PC-9801RA"
+	#define CONFIG_NAME	"pc9801ra"
+	#define HAS_I386
+	#define CPU_CLOCKS		19968120
+	#define PIT_CLOCK_5MHZ
+//	#define CPU_CLOCKS		15974496
+//	#define PIT_CLOCK_8MHZ
+	#define USE_CPU_TYPE		2
+	#define SUPPORT_32BIT_ADDRESS
 #else
 	// unknown machines
 #endif