Added the Phoenix 486 Jumper Readout port

A must have for Phoenix 486 machines

src/chipset/acc2168.c

@@ -100,21 +100,6 @@ acc2168_read(uint16_t addr, void *p)
     return dev->regs[dev->reg_idx];
 }
 
-
-/*
-    Bit 7 = Super I/O chip: 1 = enabled, 0 = disabled;
-    Bit 6 = Graphics card: 1 = standalone, 0 = on-board;
-    Bit 5 = ???? (if 1, siren and hangs).
-*/
-static uint8_t 
-acc2168_port_78_read(uint16_t addr, void *p)
-{
-    acc2168_t *dev = (acc2168_t *)p;
-
-    return dev->port_78;
-}
-
-
 static void
 acc2168_close(void *priv)
 {
@@ -132,8 +117,6 @@ acc2168_init(const device_t *info)
 	
     io_sethandler(0x00f2, 0x0002,
 		  acc2168_read, NULL, NULL, acc2168_write, NULL, NULL, dev);	
-    io_sethandler(0x0078, 0x0001,
-		  acc2168_port_78_read, NULL, NULL, NULL, NULL, NULL, dev);	
 
     device_add(&port_92_inv_device);
 

src/device/phoenix_486_jumper.c

@@ -0,0 +1,107 @@
+/*
+ * 86Box	A hypervisor and IBM PC system emulator that specializes in
+ *		running old operating systems and software designed for IBM
+ *		PC systems and compatibles from 1981 through fairly recent
+ *		system designs based on the PCI bus.
+ *
+ *		This file is part of the 86Box distribution.
+ *
+ *		Implementation of the Phoenix 486 Jumper Readout
+ *
+ *		Copyright 2020 Tiseno100
+ */
+
+
+#include <stdarg.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <wchar.h>
+#define HAVE_STDARG_H
+#include <86box/86box.h>
+#include "cpu.h"
+#include <86box/timer.h>
+#include <86box/io.h>
+#include <86box/device.h>
+#include <86box/chipset.h>
+
+/*
+Bit 7 = Super I/O
+Bit 6 = ???
+Bit 5 = ???
+Bit 4 = ???
+Bit 3 = ???
+Bit 2 = ???
+Bit 1 = ???
+Bit 0 = ???
+*/
+
+typedef struct
+{
+    uint8_t	jumper;
+} phoenix_486_jumper_t;
+
+#ifdef ENABLE_PHOENIX_486_JUMPER_LOG
+int phoenix_486_jumper_do_log = ENABLE_PHOENIX_486_JUMPER_LOG;
+static void
+phoenix_486_jumper_log(const char *fmt, ...)
+{
+    va_list ap;
+
+    if (phoenix_486_jumper_do_log) {
+	va_start(ap, fmt);
+	pclog_ex(fmt, ap);
+	va_end(ap);
+    }
+}
+#else
+#define phoenix_486_jumper_log(fmt, ...)
+#endif
+
+static void
+phoenix_486_jumper_write(uint16_t addr, uint8_t val, void *priv)
+{
+    phoenix_486_jumper_t *dev = (phoenix_486_jumper_t *) priv;
+    phoenix_486_jumper_log("Phoenix 486 Jumper: Write %02x\n", val);
+    dev->jumper = val;
+}
+
+static uint8_t
+phoenix_486_jumper_read(uint16_t addr, void *priv)
+{
+    phoenix_486_jumper_t *dev = (phoenix_486_jumper_t *) priv;
+    phoenix_486_jumper_log("Phoenix 486 Jumper: Read %02x\n", dev->jumper);
+    return dev->jumper;
+}
+
+
+static void
+phoenix_486_jumper_close(void *priv)
+{
+    phoenix_486_jumper_t *dev = (phoenix_486_jumper_t *) priv;
+
+    free(dev);
+}
+
+static void *
+phoenix_486_jumper_init(const device_t *info)
+{
+    phoenix_486_jumper_t *dev = (phoenix_486_jumper_t *) malloc(sizeof(phoenix_486_jumper_t));
+    memset(dev, 0, sizeof(phoenix_486_jumper_t));
+
+    dev->jumper = info->local;
+
+    io_sethandler(0x0078, 0x0001, phoenix_486_jumper_read, NULL, NULL, phoenix_486_jumper_write, NULL, NULL, dev);
+
+    return dev;
+}
+
+const device_t phoenix_486_jumper_device = {
+    "Phoenix 486 Jumper Readout",
+    0,
+    0,
+    phoenix_486_jumper_init, phoenix_486_jumper_close, NULL,
+    NULL, NULL, NULL,
+    NULL
+};

src/include/86box/chipset.h

@@ -131,6 +131,7 @@ extern const device_t   vlsi_scamp_device;
 extern const device_t	wd76c10_device;
 
 /* Miscellaneous Hardware */
+extern const device_t   phoenix_486_jumper_device;
 extern const device_t	vpc2007_device;
 
 #endif	/*EMU_CHIPSET_H*/

src/machine/m_at_386dx_486.c

@@ -200,6 +200,8 @@ machine_at_pb410a_init(const machine_t *model)
     device_add(&acc3221_device);
     device_add(&acc2168_device);
 
+    device_add(&phoenix_486_jumper_device);
+
     if (gfxcard == VID_INTERNAL)
 	device_add(&ht216_32_pb410a_device);
 

src/win/Makefile.mingw

@@ -656,7 +656,8 @@ DEVOBJ		:= bugger.o hwm.o hwm_lm75.o hwm_lm78.o hwm_gl518sm.o ibm_5161.o isamem.
 		    keyboard_xt.o keyboard_at.o \
 		   mouse.o \
 		    mouse_bus.o \
-		    mouse_serial.o mouse_ps2.o
+		    mouse_serial.o mouse_ps2.o \
+			phoenix_486_jumper.o
 
 SIOOBJ		:= sio_acc3221.o \
 		    sio_f82c710.o sio_82091aa.o \