/*
- * 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"
static GtkWidget *reglist;
#define LIST_VIEW_NAME "Registers"
-#define DATA_ROWS 25
+#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 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_,
- },
- {
- "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)
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);
/*
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);
}
--- /dev/null
+/*
+ * sfr.c
+ *
+ * Copyright (C) 2013 Hugo Villeneuve <hugo@hugovil.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#if HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <stdio.h>
+
+#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"
+
+#define HEX_DIGITS_2 2
+#define HEX_DIGITS_4 4
+
+/* 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[SFR_REGS] = {
+ {
+ "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_,
+ },
+ {
+ "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_,
+ },
+};
+
+/* Generic read/write functions */
+static unsigned int
+regwin_read_generic(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_generic(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);
+ }
+};
+
+int
+regwin_read(int row)
+{
+ int val;
+
+ if (regwin_infos[row].read_func == NULL) {
+ /*
+ * Read register value using generic 8 or 16 bits read
+ * function, depending on width.
+ */
+ val = regwin_read_generic(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);
+ }
+
+ return val;
+}
+
+void
+regwin_write(struct regwin_infos_t *p, int new)
+{
+ if (p->write_func == NULL) {
+ /*
+ * Write register value using generic 8 or 16 bits write
+ * function, depending on width.
+ */
+ regwin_write_generic(p->param, new, p->w);
+ } else {
+ /* Write register value using custom function pointer. */
+ p->write_func(p->param, new);
+ }
+}
+
+struct regwin_infos_t *
+sfr_get_infos(const char *regname)
+{
+ int row;
+
+ for (row = 0; row < SFR_REGS; row++) {
+ if (strcmp(regwin_infos[row].name, regname) == 0)
+ return ®win_infos[row];
+ }
+
+ return NULL; /* Programming error. */
+}
+
+struct regwin_infos_t *
+sfr_get_infos_from_row(int row)
+{
+ return ®win_infos[row];
+}
+
projects / emu8051.git / commitdiff