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/*
* pswwin.c
*
* Copyright (C) 1999 Jonathan St-André
* Copyright (C) 1999 Hugo Villeneuve <hugo@hugovil.com>
*
* This file is released under the GPLv2
*/
#if HAVE_CONFIG_H
# include "config.h"
#endif
#include <stdio.h>
#include "common.h"
#include "reg8051.h"
#include "cpu8051.h"
#include "memory.h"
#include "pswwin.h"
#include "memwin.h"
#include "pgmwin.h"
#include "psw.h"
#include "instructions_8051.h"
#include "hexfile.h"
#include "main.h"
static GtkWidget *pswlist;
#define DATA_ROWS 1
#define LIST_VIEW_NAME "PSW"
enum {
COL_CY = 0,
COL_AC,
COL_F0,
COL_RS1,
COL_RS0,
COL_OV,
COL_RESERVED,
COL_P,
N_COLUMNS,
};
static char *col_names[N_COLUMNS] = {
"CY",
"AC",
"F0",
"RS1",
"RS0",
"OV",
"-",
"P",
};
/* Creating a model */
static GtkListStore *
pswwin_init_store(void)
{
GtkTreeIter iter;
int row;
int col;
GtkListStore *store;
GType col_types[N_COLUMNS];
/* No need for static array, all our columns are of the same type. */
for (col = 0; col < N_COLUMNS; col++)
col_types[col] = G_TYPE_STRING;
store = gtk_list_store_newv(N_COLUMNS, col_types);
/* Add rows. */
for (row = 0; row < DATA_ROWS; row++)
gtk_list_store_append(store, &iter);
return store;
}
static void
pswwin_cell_edited(GtkCellRendererText *cell, gchar *path_string,
gchar *new_str, gpointer model)
{
guint column;
gpointer columnptr;
GtkTreeIter iter;
u_int8_t old;
int new;
char str[10];
int bit_index;
if (!model)
log_err("Unable to get model from cell renderer");
/* Column number is passed as renderer object data */
columnptr = g_object_get_data(G_OBJECT(cell), "column");
column = GPOINTER_TO_UINT(columnptr);
log_info("column = $%02X", column);
/* Get the iterator */
gtk_tree_model_get_iter_from_string(model, &iter, path_string);
bit_index = 7 - column;
old = psw_read_bit(bit_index);
log_info(" old value: %d", old);
/* Convert new value (asciihex) to integer. */
new = asciihex2int(new_str);
if ((new != 0) && (new != 1)) {
log_info(" new value: out of range");
new = old; /* Put back old value... */
} else {
log_info(" new value: %d", new);
}
/* Store new value in emulator memory. */
psw_write_bit(bit_index, new);
/* Convert to text. */
int2asciihex(new, str, 1);
/* Store new value in gtk model. */
gtk_list_store_set(GTK_LIST_STORE(model), &iter, column, str, -1);
/*
* Make sure to update all registers and memory.
* For example, BANKed registers depends on internal memory.
*/
emugtk_update_display();
};
static void
pswwin_init_columns(void)
{
int k;
/* Add column for each bit in PSW. */
for (k = 0; k < N_COLUMNS; k++) {
GtkCellRenderer *renderer;
GtkTreeViewColumn *column;
/* Create new renderer for value column (editable). */
renderer = gtk_cell_renderer_text_new();
/* Allow edition, align to center. */
g_object_set(renderer, "editable", TRUE, "xalign", 0.5, NULL);
g_signal_connect(renderer, "edited",
G_CALLBACK(pswwin_cell_edited),
gtk_tree_view_get_model(
GTK_TREE_VIEW(pswlist)));
/* Add column index, used when editing the cell. */
g_object_set_data(G_OBJECT(renderer), "column",
GUINT_TO_POINTER(k));
column = gtk_tree_view_column_new_with_attributes(
col_names[k], renderer, "text", k, NULL);
/* Center column name */
g_object_set(column, "alignment", 0.5, NULL);
/* Hardcoded width... */
gtk_tree_view_column_set_sizing(column,
GTK_TREE_VIEW_COLUMN_FIXED);
gtk_tree_view_column_set_fixed_width(column, 35);
gtk_tree_view_append_column(GTK_TREE_VIEW(pswlist), column);
}
}
GtkWidget *
pswwin_init(void)
{
GtkWidget *frame;
GtkListStore *store;
frame = gtk_frame_new(LIST_VIEW_NAME);
/* Creating a model */
store = pswwin_init_store();
/* Creating the view component */
pswlist = gtk_tree_view_new_with_model(GTK_TREE_MODEL(store));
gtk_tree_view_set_grid_lines(GTK_TREE_VIEW(pswlist),
GTK_TREE_VIEW_GRID_LINES_BOTH);
gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(pswlist), TRUE);
gtk_container_add(GTK_CONTAINER(frame), pswlist);
pswwin_init_columns();
/*
* The tree view has acquired its own reference to the model, so we can
* drop ours. That way the model will be freed automatically when the
* tree view is destroyed.
*/
g_object_unref(store);
return frame;
}
/* Show registers. */
void
pswwin_refresh(void)
{
GtkListStore *store;
int valid;
GtkTreeIter iter;
int k;
store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(pswlist)));
/* Get first row in list store */
valid = gtk_tree_model_get_iter_first(
GTK_TREE_MODEL(store), &iter);
if (!valid) {
log_err("Tree model: invalid iter");
return;
}
/* Display bit values. */
for (k = 0; k < N_COLUMNS; k++) {
char str[4];
int bit_index;
bit_index = 7 - k;
int2asciihex(psw_read_bit(bit_index), str, 1);
gtk_list_store_set(store, &iter, k, str, -1);
}
}
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