#include "common.h"
#include "reg8051.h"
#include "cpu8051.h"
+#include "memory.h"
#include "regwin.h"
+#include "memwin.h"
+#include "pgmwin.h"
+#include "instructions_8051.h"
+#include "hexfile.h"
+#include "emugtk.h"
-static GtkWidget *regclist;
+static GtkWidget *reglist;
+
+#define DATA_ROWS 26
+
+enum
+{
+ COL_NAME = 0,
+ COL_VAL,
+ N_COLUMNS,
+};
+
+#define HEX_DIGITS_2 2
+#define HEX_DIGITS_4 4
+
+struct regwin_infos_t {
+ char *name; /* Register name */
+ int w; /* Number of hex digits to display */
+ unsigned int (*read_func)(int addr); /* Function to read value */
+ void (*write_func)(int param, int val); /* Function to write value */
+ int param; /* Optional parameter to pass to read function. */
+};
+
+/* Generic read/write functions */
+static unsigned int
+regwin_read(int addr, int width)
+{
+ if (width == 2)
+ return memory_sfr_read8(addr);
+ else if (width == 4) {
+ /* Address is low address. */
+ return (memory_sfr_read8(addr + 1) << 8) |
+ memory_sfr_read8(addr);
+ } else
+ return 0xFFFFFFFF;
+}
+
+static void
+regwin_write(int addr, int val, int width)
+{
+ if (width == 2)
+ memory_sfr_write8(addr, (u_int8_t) val);
+ else if (width == 4) {
+ /* Address is low address. */
+ memory_sfr_write8(addr + 1, (u_int8_t) ((val & 0x0000FFFF) >> 8));
+ memory_sfr_write8(addr, (u_int8_t) val);
+ }
+};
+
+/* Specific read/write functions for special registers. */
+
+static unsigned int
+regwin_read_pc(int dummy)
+{
+ return cpu8051.pc;
+}
+
+static void
+regwin_write_pc(int param, int val)
+{
+ cpu8051.pc = (u_int16_t) val;
+}
+
+static unsigned int
+regwin_read_timer(int timer_low_addr)
+{
+ return (memory_sfr_read8(timer_low_addr + 2) << 8) |
+ memory_sfr_read8(timer_low_addr);
+}
+
+static void
+regwin_write_timer(int timer_low_addr, int val)
+{
+ memory_sfr_write8(timer_low_addr + 2, (u_int8_t) ((val & 0x0000FFFF) >> 8));
+ memory_sfr_write8(timer_low_addr, (u_int8_t) val);
+}
+
+static u_int8_t
+regwin_read_bank_offset(void)
+{
+ return memory_sfr_read8(_PSW_) & 0x18;
+}
+
+static unsigned int
+regwin_read_bank(int dummy)
+{
+ return regwin_read_bank_offset() >> 3;
+}
+
+static void
+regwin_write_bank(int param, int bank_number)
+{
+ u_int8_t psw = memory_sfr_read8(_PSW_);
+
+ if ((bank_number < 0) || (bank_number > 3)) {
+ log_info("Error: invalid bank number: %d", bank_number);
+ bank_number = 0;
+ }
+
+ memory_sfr_write8(_PSW_, (psw & ~0x18) | (bank_number << 3));
+}
+
+/* Indirect read of R0 - R7 in current bank from internal memory. */
+static unsigned int
+regwin_read_rx(int offset)
+{
+ return memory_read8(INT_MEM_ID, regwin_read_bank_offset() + offset);
+}
+
+/* Indirect write to R0 - R7 in current bank to internal memory. */
+static void
+regwin_write_rx(int offset, int val)
+{
+ memory_write8(INT_MEM_ID, regwin_read_bank_offset() + offset, (u_int8_t) val);
+}
+
+/* This array defines how to read value for each register. */
+static struct regwin_infos_t regwin_infos[DATA_ROWS] = {
+ {
+ "PC",
+ HEX_DIGITS_4,
+ regwin_read_pc, regwin_write_pc,
+ 0, /* Dummy */
+ },
+ {
+ "SP",
+ HEX_DIGITS_2,
+ NULL, NULL,
+ _SP_,
+ },
+ {
+ "A",
+ HEX_DIGITS_2,
+ NULL, NULL,
+ _ACC_,
+ },
+ {
+ "B",
+ HEX_DIGITS_2,
+ NULL, NULL,
+ _B_,
+ },
+ {
+ "DPTR",
+ HEX_DIGITS_4,
+ NULL, NULL,
+ _DPL_,
+ },
+ {
+ "PSW",
+ HEX_DIGITS_2,
+ NULL, NULL,
+ _PSW_,
+ },
+ {
+ "P0",
+ HEX_DIGITS_2,
+ NULL, NULL,
+ _P0_,
+ },
+ {
+ "P1",
+ HEX_DIGITS_2,
+ NULL, NULL,
+ _P1_,
+ },
+ {
+ "P2",
+ HEX_DIGITS_2,
+ NULL, NULL,
+ _P2_,
+ },
+ {
+ "P3",
+ HEX_DIGITS_2,
+ NULL, NULL,
+ _P3_,
+ },
+ {
+ "TCON",
+ HEX_DIGITS_2,
+ NULL, NULL,
+ _TCON_,
+ },
+ {
+ "TMOD",
+ HEX_DIGITS_2,
+ NULL, NULL,
+ _TMOD_,
+ },
+ {
+ "TIMER0",
+ HEX_DIGITS_4,
+ regwin_read_timer, regwin_write_timer,
+ _TL0_,
+ },
+ {
+ "TIMER1",
+ HEX_DIGITS_4,
+ regwin_read_timer, regwin_write_timer,
+ _TL1_,
+ },
+ {
+ "SCON",
+ HEX_DIGITS_2,
+ NULL, NULL,
+ _SCON_,
+ },
+ {
+ "IE",
+ HEX_DIGITS_2,
+ NULL, NULL,
+ _IE_,
+ },
+ {
+ "IP",
+ HEX_DIGITS_2,
+ NULL, NULL,
+ _IP_,
+ },
+ {
+ "BANK",
+ HEX_DIGITS_2,
+ regwin_read_bank, regwin_write_bank,
+ 0, /* Dummy */
+ },
+ /* R0-R7 Registers in current Bank */
+ {
+ "R0",
+ HEX_DIGITS_2,
+ regwin_read_rx, regwin_write_rx,
+ _R0_,
+ },
+ {
+ "R1",
+ HEX_DIGITS_2,
+ regwin_read_rx, regwin_write_rx,
+ _R1_,
+ },
+ {
+ "R2",
+ HEX_DIGITS_2,
+ regwin_read_rx, regwin_write_rx,
+ _R2_,
+ },
+ {
+ "R3",
+ HEX_DIGITS_2,
+ regwin_read_rx, regwin_write_rx,
+ _R3_,
+ },
+ {
+ "R4",
+ HEX_DIGITS_2,
+ regwin_read_rx, regwin_write_rx,
+ _R4_,
+ },
+ {
+ "R5",
+ HEX_DIGITS_2,
+ regwin_read_rx, regwin_write_rx,
+ _R5_,
+ },
+ {
+ "R6",
+ HEX_DIGITS_2,
+ regwin_read_rx, regwin_write_rx,
+ _R6_,
+ },
+ {
+ "R7",
+ HEX_DIGITS_2,
+ regwin_read_rx, regwin_write_rx,
+ _R7_,
+ },
+};
+
+/* Creating a model */
+static GtkListStore *
+regwin_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 int
+regwin_find_row(const char *regname)
+{
+ int row;
+
+ for (row = 0; row < DATA_ROWS; row++) {
+ if (strcmp(regwin_infos[row].name, regname) == 0)
+ return row;
+ }
+
+ return -1; /* Programming error. */
+}
+
+static void
+regwin_cell_edited(GtkCellRendererText *cell, gchar *path_string,
+ gchar *new_str, gpointer model)
+{
+ GtkTreeIter iter;
+ int old;
+ int new;
+ char *str;
+ int row;
+
+ if (!model) {
+ g_error("Unable to get model from cell renderer");
+ }
+
+ /* Get the iterator */
+ gtk_tree_model_get_iter_from_string(model, &iter, path_string);
+
+ /* Get register name. */
+ gtk_tree_model_get(model, &iter, COL_NAME, &str, -1);
+
+ log_info("Register: %s", str);
+ row = regwin_find_row(str);
+ log_info(" row = %d", row);
+
+ /* Read current (old) value. */
+ gtk_tree_model_get(model, &iter, COL_VAL, &str, -1);
+
+ 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);
+
+ new = asciihex2int(new_str);
+
+ if (regwin_infos[row].w == 2) {
+ if ((new < 0) || (new > 0xFF)) {
+ log_info(" new value: out of range");
+ new = old; /* Put back old value... */
+ } else {
+ log_info(" new value: $%02X", new);
+ }
+ } else if (regwin_infos[row].w == 4) {
+ if ((new < 0) || (new > 0xFFFF)) {
+ log_info(" new value: out of range");
+ new = old; /* Put back old value... */
+ } else {
+ log_info(" new value: $%04X", new);
+ }
+ }
+
+ /* Convert new value to text. */
+ int2asciihex(new, str, regwin_infos[row].w);
+
+ /* Store new value in emulator register. */
+ if (regwin_infos[row].write_func == NULL) {
+ /*
+ * Write register value using generic 8 or 16 bits write
+ * function, depending on width.
+ */
+ regwin_write(regwin_infos[row].param, new, regwin_infos[row].w);
+ } else {
+ /* Write register value using custom function pointer. */
+ regwin_infos[row].write_func(regwin_infos[row].param, new);
+ }
+
+ /* Store new value in gtk model. */
+ gtk_list_store_set(GTK_LIST_STORE(model), &iter, COL_VAL, str, -1);
+
+ /*
+ * Make sure to update all windows.
+ * For example, R0-R7 values depends on internal memory values.
+ */
+ emugtk_UpdateDisplay();
+};
+
+static void
+regwin_init_columns(void)
+{
+ GtkCellRenderer *renderer;
+ GtkTreeViewColumn *column;
+
+ /* Columns and cell renderers */
+ renderer = gtk_cell_renderer_text_new();
+
+ /* Add Register column */
+ column = gtk_tree_view_column_new_with_attributes(
+ "Name", renderer, "text", COL_NAME, NULL);
+ gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_AUTOSIZE);
+ gtk_tree_view_append_column(GTK_TREE_VIEW(reglist), column);
+
+ /* Add Value column */
+
+ /* Create new renderer for value column (editable). */
+ renderer = gtk_cell_renderer_text_new();
+
+ /* Allow edition, align to right side. */
+ g_object_set(renderer, "editable", TRUE, "xalign", 1.0, NULL);
+
+ g_signal_connect(renderer, "edited",
+ G_CALLBACK(regwin_cell_edited),
+ gtk_tree_view_get_model(GTK_TREE_VIEW(reglist)));
+
+ column = gtk_tree_view_column_new_with_attributes(
+ "Value", renderer, "text", COL_VAL, NULL);
+ gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_AUTOSIZE);
+ gtk_tree_view_append_column(GTK_TREE_VIEW(reglist), column);
+}
GtkWidget *
-regwin_init(int width, int height)
+regwin_init(void)
{
- int i;
+ GtkWidget *frame;
GtkWidget *scrollwin;
- PangoFontDescription *pango_font;
- char *regdummy[] = { 0 };
+ GtkListStore *store;
+
+ frame = gtk_frame_new("Registers");
scrollwin = gtk_scrolled_window_new(NULL, NULL);
gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrollwin),
GTK_POLICY_AUTOMATIC,
GTK_POLICY_AUTOMATIC);
- gtk_widget_set_size_request(GTK_WIDGET(scrollwin), width, height);
-
- regclist = gtk_clist_new(1);
- gtk_clist_set_selection_mode(GTK_CLIST(regclist), GTK_SELECTION_SINGLE);
- gtk_widget_set_size_request(GTK_WIDGET(regclist), width, height);
- gtk_clist_set_column_justification(GTK_CLIST(regclist), 0,
- GTK_JUSTIFY_LEFT);
- gtk_clist_set_column_width(GTK_CLIST(regclist), 0, width);
+ gtk_container_add(GTK_CONTAINER(frame), scrollwin);
+ /* Creating a model */
+ store = regwin_init_store();
- pango_font = pango_font_description_from_string(FIXED_FONT);
- gtk_widget_modify_font(regclist, pango_font);
+ /* Creating the view component */
+ reglist = gtk_tree_view_new_with_model(GTK_TREE_MODEL(store));
+ gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(reglist), TRUE);
+ gtk_container_add(GTK_CONTAINER(scrollwin), reglist);
- for (i = 0; i < 24; i++)
- gtk_clist_append(GTK_CLIST(regclist), regdummy);
+ regwin_init_columns();
- gtk_container_add(GTK_CONTAINER(scrollwin), regclist);
+ /*
+ * 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 scrollwin;
+ return frame;
}
-
/* Show registers. */
void
-regwin_Show(void)
-{
- char TextTmp[255];
- int row = 0;
- unsigned char PSW = cpu8051_ReadD(_PSW_);
- unsigned char Rbank;
-
- gtk_clist_freeze(GTK_CLIST(regclist));
-
- /* Main registers */
- sprintf(TextTmp , "PC = %.4X", cpu8051.pc);
- gtk_clist_set_text(GTK_CLIST(regclist), row++, 0, TextTmp);
- sprintf(TextTmp , "SP = %.2X", cpu8051_ReadD(_SP_));
- gtk_clist_set_text(GTK_CLIST(regclist), row++, 0, TextTmp);
- sprintf(TextTmp , "A = %.2X", cpu8051_ReadD(_ACC_));
- gtk_clist_set_text(GTK_CLIST(regclist), row++, 0, TextTmp);
- sprintf(TextTmp , "B = %.2X", cpu8051_ReadD(_B_));
- gtk_clist_set_text(GTK_CLIST(regclist), row++, 0, TextTmp);
- sprintf(TextTmp , "DPTR = %.4X", (cpu8051_ReadD(_DPTRHIGH_) << 8) +
- cpu8051_ReadD(_DPTRLOW_));
- gtk_clist_set_text(GTK_CLIST(regclist), row++, 0, TextTmp);
-
- /* Program Status Word */
- sprintf(TextTmp, "PSW = %.2X", PSW);
- gtk_clist_set_text(GTK_CLIST(regclist), row++, 0, TextTmp);
-
- /* Ports registers */
- sprintf(TextTmp , "P0 = %.2X", cpu8051_ReadD(_P0_));
- gtk_clist_set_text(GTK_CLIST(regclist), row++, 0, TextTmp);
- sprintf(TextTmp , "P1 = %.2X", cpu8051_ReadD(_P1_));
- gtk_clist_set_text(GTK_CLIST(regclist), row++, 0, TextTmp);
- sprintf(TextTmp , "P2 = %.2X", cpu8051_ReadD(_P2_));
- gtk_clist_set_text(GTK_CLIST(regclist), row++, 0, TextTmp);
- sprintf(TextTmp , "P3 = %.2X", cpu8051_ReadD(_P3_));
- gtk_clist_set_text(GTK_CLIST(regclist), row++, 0, TextTmp);
-
- /* Misc Registers */
- sprintf(TextTmp , "TCON = %.2X", cpu8051_ReadD(_TCON_));
- gtk_clist_set_text(GTK_CLIST(regclist), row++, 0, TextTmp);
- sprintf(TextTmp , "TMOD = %.2X", cpu8051_ReadD(_TMOD_));
- gtk_clist_set_text(GTK_CLIST(regclist), row++, 0, TextTmp);
- sprintf(TextTmp , "SCON = %.2X", cpu8051_ReadD(_SCON_));
- gtk_clist_set_text(GTK_CLIST(regclist), row++, 0, TextTmp);
- sprintf(TextTmp , "IE = %.2X", cpu8051_ReadD(_IE_));
- gtk_clist_set_text(GTK_CLIST(regclist), row++, 0, TextTmp);
- sprintf(TextTmp , "IP = %.2X", cpu8051_ReadD(_IP_));
- gtk_clist_set_text(GTK_CLIST(regclist), row++, 0, TextTmp);
+regwin_refresh(void)
+{
+ int row;
+ GtkListStore *store;
- /* R0-R7 Registers in current Bank */
- Rbank = cpu8051_ReadD(_PSW_) & 0x18;
- sprintf(TextTmp , "Bank = %.2X", Rbank);
- gtk_clist_set_text(GTK_CLIST(regclist), row++, 0, TextTmp);
- sprintf(TextTmp , "R0 = %.2X", cpu8051_ReadD(_R0_ + Rbank));
- gtk_clist_set_text(GTK_CLIST(regclist), row++, 0, TextTmp);
- sprintf(TextTmp , "R1 = %.2X", cpu8051_ReadD(_R1_ + Rbank));
- gtk_clist_set_text(GTK_CLIST(regclist), row++, 0, TextTmp);
- sprintf(TextTmp , "R2 = %.2X", cpu8051_ReadD(_R2_ + Rbank));
- gtk_clist_set_text(GTK_CLIST(regclist), row++, 0, TextTmp);
- sprintf(TextTmp , "R3 = %.2X", cpu8051_ReadD(_R3_ + Rbank));
- gtk_clist_set_text(GTK_CLIST(regclist), row++, 0, TextTmp);
- sprintf(TextTmp , "R4 = %.2X", cpu8051_ReadD(_R4_ + Rbank));
- gtk_clist_set_text(GTK_CLIST(regclist), row++, 0, TextTmp);
- sprintf(TextTmp , "R5 = %.2X", cpu8051_ReadD(_R5_ + Rbank));
- gtk_clist_set_text(GTK_CLIST(regclist), row++, 0, TextTmp);
- sprintf(TextTmp , "R6 = %.2X", cpu8051_ReadD(_R6_ + Rbank));
- gtk_clist_set_text(GTK_CLIST(regclist), row++, 0, TextTmp);
- sprintf(TextTmp , "R7 = %.2X", cpu8051_ReadD(_R7_ + Rbank));
- gtk_clist_set_text(GTK_CLIST(regclist), row++, 0, TextTmp);
-
- gtk_clist_select_row(GTK_CLIST(regclist), 0, 0);
- gtk_clist_thaw(GTK_CLIST(regclist));
+ store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(reglist)));
+
+ for (row = 0; row < DATA_ROWS; row++) {
+ int valid;
+ GtkTreeIter iter;
+ int val;
+ char str[8];
+
+ if (row == 0) {
+ /* Get first row in list store */
+ valid = gtk_tree_model_get_iter_first(
+ GTK_TREE_MODEL(store), &iter);
+ } else {
+ /* Get next row in list store */
+ valid = gtk_tree_model_iter_next(
+ GTK_TREE_MODEL(store), &iter);
+ }
+
+ if (!valid) {
+ printf("Invalid iter...\n");
+ return;
+ }
+
+ if (regwin_infos[row].read_func == NULL) {
+ /*
+ * Read register value using generic 8 or 16 bits read
+ * function, depending on width.
+ */
+ val = regwin_read(regwin_infos[row].param,
+ regwin_infos[row].w);
+ } else {
+ /* Read register value using custom function pointer. */
+ val = regwin_infos[row].read_func(
+ regwin_infos[row].param);
+ }
+
+ /* Convert to specified number of hex digits. */
+ int2asciihex(val, str, regwin_infos[row].w);
+
+ gtk_list_store_set(store, &iter,
+ COL_NAME, regwin_infos[row].name,
+ COL_VAL, str,
+ -1);
+ }
}
projects / emu8051.git / blobdiff