Refactor code for memwin and pgmwin modify

Add common functions int2asciihex and asciihex2int

diff --git a/src/hexfile.c b/src/hexfile.c
index 5ec2055..ef828b8 100644 (file)
--- a/src/hexfile.c
+++ b/src/hexfile.c
@@ -36,6 +36,27 @@
 #include "common.h"
 #include "memory.h"
 
+/* Convert integer to ASCII hex string. */
+void
+int2asciihex(int val, char *str, int width)
+{
+       if (width == 2)
+               sprintf(str , "%.2X", (u_int8_t) val);
+       else if (width == 4)
+               sprintf(str , "%.4X", (u_int16_t) val);
+}
+
+/* Convert ASCII hex string to integer. */
+int
+asciihex2int(char *str)
+{
+       int val;
+
+       sscanf(str, "%X", &val);
+
+       return val;
+}
+
 /* Convert an ascii string to an hexadecimal number. */
 unsigned int
 Ascii2Hex(char *istring, int length)

diff --git a/src/hexfile.h b/src/hexfile.h
index ea27f1f..0f46527 100644 (file)
--- a/src/hexfile.h
+++ b/src/hexfile.h
@@ -22,6 +22,12 @@
 #ifndef HEXFILE_H
 #define HEXFILE_H 1
 
+void
+int2asciihex(int val, char *str, int width);
+
+int
+asciihex2int(char *str);
+
 unsigned int
 Ascii2Hex(char *istring, int length);
 

diff --git a/src/memwin.c b/src/memwin.c
index f5945bf..3bd54f8 100644 (file)
--- a/src/memwin.c
+++ b/src/memwin.c
@@ -96,7 +96,7 @@ memwin_cell_edited(GtkCellRendererText *cell, gchar *path_string,
 
        /* Get base address. */
        gtk_tree_model_get(model, &iter, COL_ADDRESS, &str, -1);
-       sscanf(str, "%x", &address);
+       address = asciihex2int(str);
 
        /* Convert column number (1, 2, 3...) to index (0, 1, 2...) */
        address += (column - COL_DATA0);
@@ -106,8 +106,7 @@ memwin_cell_edited(GtkCellRendererText *cell, gchar *path_string,
        log_info("  old value: $%02X", old);
 
        /* Convert new value (asciihex) to integer. */
-       sscanf(new_str, "%x", &new);
-
+       new = asciihex2int(new_str);
        if ((new < 0) || (new > 255)) {
                log_info("  new value: out of range");
                new = old; /* Put back old value... */
@@ -119,7 +118,7 @@ memwin_cell_edited(GtkCellRendererText *cell, gchar *path_string,
        cpu8051_WriteD(address, new);
 
        /* Convert to text. */
-       sprintf(str, "%.2X", new);
+       int2asciihex(new, str, 2);
 
        /* Store new value in gtk model. */
         gtk_list_store_set(GTK_LIST_STORE(model), &iter, column, str, -1);
@@ -260,7 +259,8 @@ memwin_DumpD(char *MemAddress)
                }
 
                /* Display base address. */
-               sprintf(str, "%.4X", Address);
+               int2asciihex(Address, str, 4);
+
                gtk_list_store_set(store, &iter, COL_ADDRESS, str, -1);
 
                for (col = 0; col < DATA_COLS; col++) {
@@ -269,7 +269,8 @@ memwin_DumpD(char *MemAddress)
                        data = cpu8051_ReadD(Address + col);
 
                        /* Display hex data */
-                       sprintf(str, "%.2X", (u_int8_t) data);
+                       int2asciihex(data, str, 2);
+
                        gtk_list_store_set(store, &iter, col + 1, str, -1);
 
                        /* Append to ASCII string (if applicable). */

diff --git a/src/pgmwin.c b/src/pgmwin.c
index e4f9b46..41c74d8 100644 (file)
--- a/src/pgmwin.c
+++ b/src/pgmwin.c
@@ -29,6 +29,7 @@
 #include "memory.h"
 #include "cpu8051.h"
 #include "pgmwin.h"
+#include "hexfile.h"
 
 static GtkWidget *pgmlist;
 
@@ -119,7 +120,7 @@ pgmwin_sel_changed_event(GtkWidget *widget, GdkEvent *event, gpointer data)
                gtk_tree_model_get(model, &iter, COL_ADDR, &str_addr, -1);
 
                /* Convert hex address in ASCII to integer. */
-               sscanf(str_addr, "%x", &val);
+               val = asciihex2int(str_addr);
 
                log_debug("  row address is: $%04X", val);
 
@@ -228,7 +229,8 @@ pgmwin_Disasm(void)
                gtk_list_store_set(store, &iter, COL_BREAKPT, str, -1);
 
                /* Display base address. */
-               sprintf(str, "%.4X", Address);
+               int2asciihex(Address, str, 4);
+
                gtk_list_store_set(store, &iter, COL_ADDR, str, -1);
 
                OpCode = memory_read8(PGM_MEM_ID, Address);
@@ -236,8 +238,8 @@ pgmwin_Disasm(void)
 
                /* Display instruction hex bytes. */
                for (k = 0, col_id = COL_B0; k < InstSize; k++, col_id++) {
-                       sprintf(str, "%.2X", memory_read8(PGM_MEM_ID,
-                                                         Address + k));
+                       int2asciihex(memory_read8(PGM_MEM_ID, Address + k),
+                                    str, 2);
                        gtk_list_store_set(store, &iter, col_id, str, -1);
                }
 

diff --git a/src/regwin.c b/src/regwin.c
index 06c643a..0578781 100644 (file)
--- a/src/regwin.c
+++ b/src/regwin.c
@@ -31,6 +31,7 @@
 #include "regwin.h"
 #include "memwin.h"
 #include "instructions_8051.h"
+#include "hexfile.h"
 
 static GtkWidget *reglist;
 
@@ -64,7 +65,8 @@ regwin_read(int addr, int width)
                /* Address is low address. */
                return (cpu8051_ReadD(addr + 1) << 8) +
                        cpu8051_ReadD(addr);
-       }
+       } else
+               return 0xFFFFFFFF;
 }
 
 static void
@@ -339,16 +341,14 @@ regwin_cell_edited(GtkCellRendererText *cell, gchar *path_string,
        /* Read current (old) value. */
        gtk_tree_model_get(model, &iter, COL_VAL, &str, -1);
 
-       /* Convert old value (asciihex) to integer. */
-       sscanf(str, "%x", &old);
+       old = asciihex2int(str);
 
        if (regwin_infos[row].w == 2)
                log_info("  old value: $%02X", old);
        else if (regwin_infos[row].w == 4)
                log_info("  old value: $%04X", old);
 
-       /* Convert new value (asciihex) to integer. */
-       sscanf(new_str, "%x", &new);
+       new = asciihex2int(new_str);
 
        if (regwin_infos[row].w == 2) {
                if ((new < 0) || (new > 0xFF)) {
@@ -367,10 +367,7 @@ regwin_cell_edited(GtkCellRendererText *cell, gchar *path_string,
        }
 
        /* Convert new value to text. */
-       if (regwin_infos[row].w == 2)
-               sprintf(str, "%02X", new);
-       else if (regwin_infos[row].w == 4)
-               sprintf(str, "%04X", new);
+       int2asciihex(new, str, regwin_infos[row].w);
 
        /* Store new value in emulator register. */
        if (regwin_infos[row].write_func == NULL) {
@@ -507,14 +504,12 @@ regwin_Show(void)
                                          regwin_infos[row].w);
                } else {
                        /* Read register value using custom function pointer. */
-                       val = regwin_infos[row].read_func(regwin_infos[row].param);
+                       val = regwin_infos[row].read_func(
+                               regwin_infos[row].param);
                }
 
                /* Convert to specified number of hex digits. */
-               if (regwin_infos[row].w == 2)
-                       sprintf(str , "%.2X", (u_int8_t) val);
-               else if (regwin_infos[row].w == 4)
-                       sprintf(str , "%.4X", (u_int16_t) val);
+               int2asciihex(val, str, regwin_infos[row].w);
 
                gtk_list_store_set(store, &iter,
                                   COL_NAME, regwin_infos[row].name,