*/
#include <stdio.h>
+#include <string.h>
+#include "common.h"
+#include "cpu8051.h"
+#include "hexfile.h"
#include "memory.h"
#define PGM_MEM_SIZE 65536
static u_int8_t ext_mem[EXT_MEM_SIZE];
void
-memory_write8( int memory_id, unsigned long address, u_int8_t value )
+memory_write8(int memory_id, unsigned long address, u_int8_t value)
{
- switch( memory_id ) {
+ switch (memory_id) {
case PGM_MEM_ID:
- if( address >= PGM_MEM_SIZE ) {
- printf("Address is greater than PGM_MEM_SIZE\n");
+ if (address >= PGM_MEM_SIZE) {
+ printf("Address (%lu) is greater than PGM_MEM_SIZE\n",
+ address);
return;
- }
- else {
+ } else
pgm_mem[address] = value;
- }
break;
case INT_MEM_ID:
- if( address >= INT_MEM_SIZE) {
- printf("Address is greater than INT_MEM_SIZE\n");
+ if (address >= INT_MEM_SIZE) {
+ printf("Address (%lu) is greater than INT_MEM_SIZE\n",
+ address);
return;
- }
- else {
+ } else
int_mem[address] = value;
- }
break;
case EXT_MEM_ID:
- if( address >= EXT_MEM_SIZE ) {
- printf("Address is greater than EXT_MEM_SIZE\n");
+ if (address >= EXT_MEM_SIZE) {
+ printf("Address (%lu) is greater than EXT_MEM_SIZE\n",
+ address);
return;
- }
- else {
+ } else
ext_mem[address] = value;
- }
- break;
+ break;
default:
/* Error. */
break;
}
u_int8_t
-memory_read8( int memory_id, unsigned long address )
+memory_read8(int memory_id, unsigned long address)
{
- switch( memory_id ) {
+ switch (memory_id) {
case PGM_MEM_ID:
- if( address < PGM_MEM_SIZE ) {
+ if (address < PGM_MEM_SIZE)
return pgm_mem[address];
- }
else {
- printf("Address is greater than PGM_MEM_SIZE\n");
+ printf("Address (%lu) is greater than PGM_MEM_SIZE\n",
+ address);
return 0;
}
break;
case INT_MEM_ID:
- if( address < INT_MEM_SIZE ) {
+ if (address < INT_MEM_SIZE)
return int_mem[address];
- }
else {
- printf("Address is greater than INT_MEM_SIZE\n");
+ printf("Address (%lu) is greater than INT_MEM_SIZE\n",
+ address);
return 0;
}
break;
case EXT_MEM_ID:
- if( address < EXT_MEM_SIZE ) {
+ if (address < EXT_MEM_SIZE)
return ext_mem[address];
- }
else {
- printf("Address is greater than EXT_MEM_SIZE\n");
+ printf("Address (%lu) is greater than EXT_MEM_SIZE\n",
+ address);
return 0;
}
- break;
+ break;
default:
/* Error. */
return 0;
break;
}
}
+
+/* Dump memory */
+void
+DumpMem(char *Address, char *Asize, int memory_id)
+{
+ unsigned int MemAddress;
+ int size;
+ int Offset, Column;
+
+ if (strlen(Address) != 0) {
+ if (STREQ(Address, "PC"))
+ MemAddress = cpu8051.pc;
+ else
+ MemAddress = Ascii2Hex(Address, strlen(Address));
+ } else {
+ MemAddress = 0;
+ }
+
+ if (strlen(Asize) != 0) {
+ size = Ascii2Hex(Asize, strlen(Asize));
+ } else {
+ size = 256; /* Default size if not specified. */
+ }
+
+ for (Offset = 0; Offset < size; Offset += 16) {
+ unsigned char data[16];
+
+ printf("%.4X ", MemAddress + Offset);
+
+ for (Column = 0; Column < 16; Column++) {
+ data[Column] = memory_read8(memory_id, MemAddress +
+ Offset + Column);
+ printf(" %.2X", (int) data[Column]);
+ }
+ printf(" ");
+
+ /* Display any ASCII characters */
+ for (Column = 0; Column < 16; Column++) {
+ if ((int) data[Column] >= 32 &&
+ (int) data[Column] <= 126) {
+ printf("%c", data[Column]);
+ } else
+ printf(".");
+ }
+ printf("\n");
+ }
+}