/*
- * regwin.cpp
+ * regwin.c
*
* Copyright (C) 1999 Jonathan St-André
* Copyright (C) 1999 Hugo Villeneuve <hugo@hugovil.com>
#include "common.h"
#include "reg8051.h"
#include "cpu8051.h"
+#include "sfr.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 *reglist;
-#define DATA_ROWS 24
+#define LIST_VIEW_NAME "Registers"
+#define DATA_ROWS SFR_REGS
enum
{
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 cpu8051_ReadD(addr);
- else if (width == 4) {
- /* Address is low address. */
- return (cpu8051_ReadD(addr + 1) << 8) +
- cpu8051_ReadD(addr);
- } else
- return 0xFFFFFFFF;
-}
-
-static void
-regwin_write(int addr, int val, int width)
-{
- if (width == 2)
- cpu8051_WriteD(addr, (u_int8_t) val);
- else if (width == 4) {
- /* Address is low address. */
- cpu8051_WriteD(addr + 1, (u_int8_t) ((val & 0x0000FFFF) >> 8));
- cpu8051_WriteD(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_bank(int dummy)
-{
- return BANKPSW >> 3;
-}
-
-static void
-regwin_write_bank(int param, int bank_number)
-{
- u_int8_t psw = cpu8051_ReadD(_PSW_);
-
- if ((bank_number < 0) || (bank_number > 3)) {
- log_info("Error: invalid bank number: %d", bank_number);
- bank_number = 0;
- }
-
- cpu8051_WriteD(_PSW_, (psw & ~0x18) | (bank_number << 3));
-}
-
-/* Read R0 - R7 in current bank. */
-static unsigned int
-regwin_read_rx(int offset)
-{
- return cpu8051_ReadD(BANKPSW + offset);
-}
-
-static void
-regwin_write_rx(int offset, int val)
-{
- cpu8051_WriteD(BANKPSW + 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_,
- },
- {
- "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)
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)
int old;
int new;
char *str;
- int row;
+ struct regwin_infos_t *regwin_infos;
if (!model) {
g_error("Unable to get model from cell renderer");
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);
+ regwin_infos = sfr_get_infos(str);
/* Read current (old) value. */
gtk_tree_model_get(model, &iter, COL_VAL, &str, -1);
old = asciihex2int(str);
- if (regwin_infos[row].w == 2)
+ if (regwin_infos->w == 2)
log_info(" old value: $%02X", old);
- else if (regwin_infos[row].w == 4)
+ else if (regwin_infos->w == 4)
log_info(" old value: $%04X", old);
new = asciihex2int(new_str);
- if (regwin_infos[row].w == 2) {
+ if (regwin_infos->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) {
+ } else if (regwin_infos->w == 4) {
if ((new < 0) || (new > 0xFFFF)) {
log_info(" new value: out of range");
new = old; /* Put back old value... */
}
}
- /* 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);
- }
+ regwin_write(regwin_infos, new);
/* Store new value in gtk model. */
+ int2asciihex(new, str, regwin_infos->w);
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.
*/
- regwin_Show();
- memwin_DumpD();
- pgmwin_Disasm();
+ emugtk_UpdateDisplay();
};
static void
GtkWidget *scrollwin;
GtkListStore *store;
- frame = gtk_frame_new("Registers");
+ frame = gtk_frame_new(LIST_VIEW_NAME);
scrollwin = gtk_scrolled_window_new(NULL, NULL);
gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrollwin),
/* Show registers. */
void
-regwin_Show(void)
+regwin_refresh(void)
{
int row;
GtkListStore *store;
GtkTreeIter iter;
int val;
char str[8];
+ struct regwin_infos_t *regwin_infos;
if (row == 0) {
/* Get first row in list store */
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);
- }
+ regwin_infos = sfr_get_infos_from_row(row);
+
+ val = regwin_read(row);
/* Convert to specified number of hex digits. */
- int2asciihex(val, str, regwin_infos[row].w);
+ int2asciihex(val, str, regwin_infos->w);
gtk_list_store_set(store, &iter,
- COL_NAME, regwin_infos[row].name,
+ COL_NAME, regwin_infos->name,
COL_VAL, str,
-1);
}
projects / emu8051.git / blobdiff