Added new machine (4GPV31)

src/machine/m_at_4gpv31.c

@@ -0,0 +1,101 @@
+/* Emulation for C&T 82C206 ("NEAT") chipset. */
+#include <stdio.h>
+#include <stdint.h>
+#include <string.h>
+#include <wchar.h>
+#include "../86box.h"
+#include "../io.h"
+#include "machine.h"
+
+
+static uint8_t neat_regs[256];
+static int neat_index;
+static int neat_emspage[4];
+
+
+static void
+neat_write(uint16_t port, uint8_t val, void *priv)
+{
+    switch (port) {
+	case 0x22:
+		neat_index = val;
+		break;
+
+	case 0x23:
+		neat_regs[neat_index] = val;
+		switch (neat_index) {
+			case 0x6E: /*EMS page extension*/
+				neat_emspage[3] = (neat_emspage[3] & 0x7F) | (( val       & 3) << 7);
+				neat_emspage[2] = (neat_emspage[2] & 0x7F) | (((val >> 2) & 3) << 7);
+				neat_emspage[1] = (neat_emspage[1] & 0x7F) | (((val >> 4) & 3) << 7);
+				neat_emspage[0] = (neat_emspage[0] & 0x7F) | (((val >> 6) & 3) << 7);
+				break;
+		}
+		break;
+
+	case 0x0208: case 0x0209: case 0x4208: case 0x4209:
+	case 0x8208: case 0x8209: case 0xC208: case 0xC209:
+		neat_emspage[port >> 14] = (neat_emspage[port >> 14] & 0x180) | (val & 0x7F);		
+		break;
+    }
+}
+
+
+static uint8_t
+neat_read(uint16_t port, void *priv)
+{
+    uint8_t ret = 0xff;
+
+    switch (port) {
+	case 0x22:
+		ret = neat_index;
+		break;
+
+	case 0x23:
+		ret = neat_regs[neat_index];
+		break;
+    }
+
+    return(ret);
+}
+
+
+#if NOT_USED
+static void
+neat_writeems(uint32_t addr, uint8_t val)
+{
+    ram[(neat_emspage[(addr >> 14) & 3] << 14) + (addr & 0x3FFF)] = val;
+}
+
+
+static uint8_t
+neat_readems(uint32_t addr)
+{
+    return ram[(neat_emspage[(addr >> 14) & 3] << 14) + (addr & 0x3FFF)];
+}
+#endif
+
+
+static void
+neat_init(void)
+{
+    io_sethandler(0x0022, 2,
+		  neat_read,NULL,NULL, neat_write,NULL,NULL, NULL);
+    io_sethandler(0x0208, 2,
+		  neat_read,NULL,NULL, neat_write,NULL,NULL, NULL);
+    io_sethandler(0x4208, 2,
+		  neat_read,NULL,NULL, neat_write,NULL,NULL, NULL);
+    io_sethandler(0x8208, 2,
+		  neat_read,NULL,NULL, neat_write,NULL,NULL, NULL);
+    io_sethandler(0xc208, 2,
+		  neat_read,NULL,NULL, neat_write,NULL,NULL, NULL);
+}
+
+
+void
+machine_at_4gpv31_init(machine_t *model)
+{
+	machine_at_init(model);
+
+	neat_init();
+}

src/machine/machine.h

@@ -8,7 +8,7 @@
  *
  *		Handling of the emulated machines.
  *
- * Version:	@(#)machine.h	1.0.13	2017/11/22
+ * Version:	@(#)machine.h	1.0.14	2017/12/04
  *
  * Authors:	Sarah Walker, <http://pcem-emulator.co.uk/>
  *		Miran Grca, <mgrca8@gmail.com>
@@ -136,6 +136,8 @@ extern void	machine_at_r418_init(machine_t *);
 
 extern void	machine_at_wd76c10_init(machine_t *);
 
+extern void	machine_at_4gpv31_init(machine_t *);
+
 extern void	machine_pcjr_init(machine_t *);
 
 extern void	machine_ps1_m2011_init(machine_t *);

src/machine/machine_table.c

@@ -8,7 +8,7 @@
  *
  *		Handling of the emulated machines.
  *
- * Version:	@(#)machine_table.c	1.0.4	2017/11/22
+ * Version:	@(#)machine_table.c	1.0.5	2017/12/04
  *
  * Authors:	Sarah Walker, <http://pcem-emulator.co.uk/>
  *		Miran Grca, <mgrca8@gmail.com>
@@ -99,6 +99,8 @@ machine_t machines[] = {
 
     { "[486 PCI] Rise Computer R418",		ROM_R418,		"r418",			{{"Intel", cpus_i486},        {"AMD", cpus_Am486},   {"Cyrix", cpus_Cx486},  {"",      NULL},     {"",      NULL}}, 0, MACHINE_PCI | MACHINE_ISA | MACHINE_VLB | MACHINE_VLB | MACHINE_AT | MACHINE_HDC,	  1,  255,   1, 127,		 machine_at_r418_init, NULL, nvr_at_close		},
 
+    { "[Socket 4] Green-B 4GP V3.1",		ROM_4GPV31,		"4gpv31",		{{"Intel", cpus_i486},        {"Intel",cpus_Pentium5V},{"AMD", cpus_Am486},  {"Cyrix", cpus_Cx486},{"",     NULL}}, 0, MACHINE_ISA | MACHINE_VLB | MACHINE_AT | MACHINE_HDC,					  1,  128,   1, 127,	       machine_at_4gpv31_init, NULL, nvr_at_close		},
+    
     { "[Socket 4 LX] Intel Premiere/PCI",	ROM_REVENGE,		"revenge",		{{"Intel", cpus_Pentium5V},   {"",    NULL},         {"",      NULL},        {"",      NULL},     {"",      NULL}}, 0, MACHINE_PCI | MACHINE_ISA | MACHINE_VLB | MACHINE_AT | MACHINE_PS2 | MACHINE_HDC,	  2,  128,   2, 127,	       machine_at_batman_init, NULL, nvr_at_close		},
 
     { "[Socket 5 NX] Intel Premiere/PCI II",	ROM_PLATO,		"plato",		{{ "Intel", cpus_PentiumS5},  {"IDT", cpus_WinChip}, {"AMD",   cpus_K5},     {"",      NULL},     {"",      NULL}}, 0, MACHINE_PCI | MACHINE_ISA | MACHINE_VLB | MACHINE_AT | MACHINE_PS2 | MACHINE_HDC,	  2,  128,   2, 127,		machine_at_plato_init, NULL, nvr_at_close		},

src/mouse_bus.c

@@ -49,7 +49,7 @@
  *		only the Logitech part is considered to
  *		be OK.
  *
- * Version:	@(#)mouse_bus.c	1.0.24	2017/12/03
+ * Version:	@(#)mouse_bus.c	1.0.25	2017/12/04
  *
  * Authors:	Fred N. van Kempen, <decwiz@yahoo.com>
  *
@@ -358,7 +358,6 @@ lt_write(mouse_t *dev, uint16_t port, uint8_t val)
 				dev->x = dev->y = 0;
 				if (dev->but)
 					dev->but |= 0x80;
-				dev->seq = 0;
 			}
 		}
 
@@ -398,11 +397,6 @@ lt_read(mouse_t *dev, uint16_t port)
 
     switch (port) {
 	case LTMOUSE_DATA:	/* [00] data register */
-		/*
-		 * Regardless of which subcommand used, the first
-		 * one has to return the state of the buttons.
-		 */
-		if (! dev->seq) {
 		ret = 0x07;
 		if (dev->but & 0x01)		/*LEFT*/
 			ret &= ~0x04;
@@ -412,11 +406,6 @@ lt_read(mouse_t *dev, uint16_t port)
 			if (dev->but & 0x04)	/*MIDDLE*/
 				ret &= ~0x02;
 		ret <<= 5;
-		} else {
-			dev->seq++;
-
-			ret = 0x00;
-		}
 
 		switch(dev->r_ctrl & LTCTRL_RD_MASK) {
 			case LTCTRL_RD_X_LO:	/* X, low bits */

src/rom.c

@@ -13,7 +13,7 @@
  *		- c386sx16 BIOS fails checksum
  *		- the loadfont() calls should be done elsewhere
  *
- * Version:	@(#)rom.c	1.0.19	2017/11/11
+ * Version:	@(#)rom.c	1.0.20	2017/12/04
  *
  * Authors:	Sarah Walker, <http://pcem-emulator.co.uk/>
  *		Miran Grca, <mgrca8@gmail.com>
@@ -807,6 +807,12 @@ rom_load_bios(int rom_id)
 		biosmask = 0x1ffff;
 		return(1);
 
+	case ROM_4GPV31:
+		if (! rom_load_linear(
+			L"roms/machines/green-b/4gpv31-ami-1993-8273517.bin",
+			0x000000, 65536, 0, rom)) break;
+		return(1);
+
 	default:
 		pclog("ROM: don't know how to handle ROM set %d !\n", rom_id);
     }

src/rom.h

@@ -8,7 +8,7 @@
  *
  *		Definitions for the ROM image handler.
  *
- * Version:	@(#)rom.h	1.0.4	2017/11/11
+ * Version:	@(#)rom.h	1.0.5	2017/12/04
  *
  * Author:	Fred N. van Kempen, <decwiz@yahoo.com>
  *		Copyright 2017 Fred N. van Kempen.
@@ -116,6 +116,9 @@ enum {
 
     ROM_PRESIDENT,	/* President Award 430FX PCI/430FX/Award/Unknown SIO */
     ROM_IBMPS2_M80_486,
+
+    ROM_4GPV31,		/* Green-B 4GPV3.1 ISA/VLB 486/Pentium, AMI */
+
     ROM_OPENAT,		/* PC/AT clone with Open BIOS */
 
     ROM_MAX

src/win/Makefile.mingw

@@ -8,7 +8,7 @@
 #
 #		Makefile for Win32 (MinGW32) environment.
 #
-# Version:	@(#)Makefile.mingw	1.0.81	2017/11/25
+# Version:	@(#)Makefile.mingw	1.0.82	2017/12/04
 #
 # Authors:	Miran Grca, <mgrca8@gmail.com>
 #               Fred N. van Kempen, <decwiz@yahoo.com>
@@ -352,6 +352,7 @@ MCHOBJ		:= machine.o machine_table.o \
 		    m_at_430lx_nx.o m_at_430fx.o \
 		    m_at_430hx.o m_at_430vx.o \
 		    m_at_440fx.o \
+		    m_at_4gpv31.o \
 		    m_pcjr.o m_ps1.o m_ps2_isa.o m_ps2_mca.o
 
 DEVOBJ		:= bugger.o lpt.o $(SERIAL) \

src/win/win.c

@@ -8,7 +8,7 @@
  *
  *		Platform main support module for Windows.
  *
- * Version:	@(#)win.c	1.0.40	2017/12/03
+ * Version:	@(#)win.c	1.0.40	2017/12/04
  *
  * Authors:	Sarah Walker, <http://pcem-emulator.co.uk/>
  *		Miran Grca, <mgrca8@gmail.com>