Machine code restructure, models are now machines instead and the init functions are in the machine files rather than in machine.c (former model.c), also moved the machine stuff into the machine/ subdirectory.

2017-09-02 20:39:57 +02:00
parent be16ee33ba
commit 3e10570bbd
90 changed files with 2390 additions and 2388 deletions
--- a/src/machine/machine_at_wd76c10.c
+++ b/src/machine/machine_at_wd76c10.c
@@ -0,0 +1,140 @@
+/* Copyright holders: Sarah Walker
+   see COPYING for more details
+*/
+#include "../ibm.h"
+
+#include "../disc.h"
+#include "../fdc.h"
+#include "../io.h"
+#include "../mem.h"
+#include "../serial.h"
+
+#include "machine_at.h"
+#include "machine_at_wd76c10.h"
+
+
+static uint16_t wd76c10_0092;
+static uint16_t wd76c10_2072;
+static uint16_t wd76c10_2872;
+static uint16_t wd76c10_5872;
+
+
+static uint16_t
+wd76c10_read(uint16_t port, void *priv)
+{
+        switch (port)
+        {
+                case 0x0092:
+                return wd76c10_0092;
+                
+                case 0x2072:
+                return wd76c10_2072;
+
+                case 0x2872:
+                return wd76c10_2872;
+                
+                case 0x5872:
+                return wd76c10_5872;
+        }
+        return 0;
+}
+
+
+static void
+wd76c10_write(uint16_t port, uint16_t val, void *priv)
+{
+        pclog("WD76C10 write %04X %04X\n", port, val);
+        switch (port)
+        {
+                case 0x0092:
+                wd76c10_0092 = val;
+                        
+                mem_a20_alt = val & 2;
+                mem_a20_recalc();
+                break;
+                
+                case 0x2072:
+                wd76c10_2072 = val;
+                
+                serial_remove(1);
+                if (!(val & 0x10))
+                {
+                        switch ((val >> 5) & 7)
+                        {
+                                case 1: serial_setup(1, 0x3f8, 4); break;
+                                case 2: serial_setup(1, 0x2f8, 4); break;
+                                case 3: serial_setup(1, 0x3e8, 4); break;
+                                case 4: serial_setup(1, 0x2e8, 4); break;
+                                default: serial_remove(1); break;
+                        }
+                }
+                serial_remove(2);
+                if (!(val & 0x01))
+                {
+                        switch ((val >> 1) & 7)
+                        {
+                                case 1: serial_setup(2, 0x3f8, 3); break;
+                                case 2: serial_setup(2, 0x2f8, 3); break;
+                                case 3: serial_setup(2, 0x3e8, 3); break;
+                                case 4: serial_setup(2, 0x2e8, 3); break;
+                                default: serial_remove(1); break;
+                        }
+                }
+                break;
+
+                case 0x2872:
+                wd76c10_2872 = val;
+                
+                fdc_remove();
+                if (!(val & 1))
+                   fdc_add();
+                break;
+                
+                case 0x5872:
+                wd76c10_5872 = val;
+                break;
+        }
+}
+
+
+static uint8_t
+wd76c10_readb(uint16_t port, void *priv)
+{
+        if (port & 1)
+           return wd76c10_read(port & ~1, priv) >> 8;
+        return wd76c10_read(port, priv) & 0xff;
+}
+
+
+static void
+wd76c10_writeb(uint16_t port, uint8_t val, void *priv)
+{
+        uint16_t temp = wd76c10_read(port, priv);
+        if (port & 1)
+           wd76c10_write(port & ~1, (temp & 0x00ff) | (val << 8), priv);
+        else
+           wd76c10_write(port     , (temp & 0xff00) | val, priv);
+}
+
+
+static void wd76c10_init(void)
+{
+        io_sethandler(0x0092, 2,
+		      wd76c10_readb, wd76c10_read, NULL,
+		      wd76c10_writeb, wd76c10_write, NULL, NULL);
+        io_sethandler(0x2072, 2,
+		      wd76c10_readb, wd76c10_read, NULL,
+		      wd76c10_writeb, wd76c10_write, NULL, NULL);
+        io_sethandler(0x2872, 2,
+		      wd76c10_readb, wd76c10_read, NULL,
+		      wd76c10_writeb, wd76c10_write, NULL, NULL);
+        io_sethandler(0x5872, 2,
+		      wd76c10_readb, wd76c10_read, NULL,
+		      wd76c10_writeb, wd76c10_write, NULL, NULL);
+}
+
+void machine_at_wd76c10_init(void)
+{
+        machine_at_ide_init();
+        wd76c10_init();
+}