* To contact author send email to drdani@mazsola.iit.uni-miskolc.hu
* Other contributors include:
* Karl Bongers karl@turbobit.com,
- * Johan Knol
+ * Johan Knol johan.knol@iduna.nl
*/
/* This file is part of microcontroller simulator: ucsim.
#include "glob.h"
#include "regsxa.h"
-
/*
* Base type of xa controllers
*/
ram= mem(MEM_XRAM);
rom= mem(MEM_ROM);
- wmem_direct = (TYPE_UWORD *) &mem_direct[0];
-
+ /* set SCR to osc/4, native XA mode, flat 24 */
+ set_scr(0);
/* initialize SP to 100H */
set_reg2(7, 0x100);
+ /* set PSW from reset vector */
+ set_psw(getcode2(0));
+ /* set PC from reset vector */
+ PC = getcode2(2);
printf("The XA Simulator is in development, UNSTABLE, DEVELOPERS ONLY!\n");
return(0);
}
+class cl_mem *
+cl_xa::mk_mem(enum mem_class type, char *class_name)
+{
+ class cl_mem *m= cl_uc::mk_mem(type, class_name);
+ if (type == MEM_SFR)
+ sfr= m;
+ if (type == MEM_IRAM)
+ iram= m;
+ return(m);
+}
+
char *
cl_xa::id_string(void)
{
{
switch(type)
{
+ case MEM_IRAM: return(0x2000);
+ case MEM_SFR: return(0x2000);
case MEM_ROM: return(0x10000);
case MEM_XRAM: return(0x10000);
default: return(0);
return(glob_disass_xa);
}
-/*struct name_entry *
-cl_xa::sfr_tbl(void)
+struct name_entry *cl_xa::sfr_tbl(void)
{
- return(0);
-}*/
+ return(sfr_tabXA51);
+}
-/*struct name_entry *
-cl_xa::bit_tbl(void)
+struct name_entry *cl_xa::bit_tbl(void)
{
- //FIXME
- return(0);
-}*/
+ return(bit_tabXA51);
+}
int
cl_xa::inst_length(t_addr addr)
return 6;
}
+static char dir_name[64];
+char *cl_xa::get_dir_name(short addr) {
+ if (!get_name(addr, sfr_tbl(), dir_name)) {
+ sprintf (dir_name, "0x%03x", addr);
+ }
+ return dir_name;
+}
+
+static char bit_name[64];
+char *cl_xa::get_bit_name(short addr) {
+ if (!get_name(addr, bit_tbl(), bit_name)) {
+ sprintf (bit_name, "0x%03x", addr);
+ }
+ return bit_name;
+}
+
/*--------------------------------------------------------------------
get_disasm_info - Given an address, return information about the opcode
which resides there.
reg_strs[((code >> 4) & 0xf)] );
break;
case REG_IREGOFF8 :
- sprintf(parm_str, "%s,[%s+%02d]",
+ sprintf(parm_str, "%s,[%s+%02x]",
reg_strs[((code >> 4) & 0xf)],
w_reg_strs[(code & 0x7)],
get_mem(MEM_ROM, addr+immed_offset));
++immed_offset;
break;
case IREGOFF8_REG :
- sprintf(parm_str, "[%s+%02d],%s",
+ sprintf(parm_str, "[%s+%02x],%s",
w_reg_strs[(code & 0x7)],
get_mem(MEM_ROM, addr+immed_offset),
reg_strs[((code >> 4) & 0xf)] );
++immed_offset;
break;
case REG_IREGOFF16 :
- sprintf(parm_str, "%s,[%s+%04d]",
+ sprintf(parm_str, "%s,[%s+%04x]",
reg_strs[((code >> 4) & 0xf)],
w_reg_strs[(code & 0x7)],
(short)((get_mem(MEM_ROM, addr+immed_offset+1)) |
++immed_offset;
break;
case IREGOFF16_REG :
- sprintf(parm_str, "[%s+%04d],%s",
+ sprintf(parm_str, "[%s+%04x],%s",
w_reg_strs[(code & 0x7)],
(short)((get_mem(MEM_ROM, addr+immed_offset+1)) |
(get_mem(MEM_ROM, addr+immed_offset)<<8)),
reg_strs[((code >> 4) & 0xf)] );
break;
case DIRECT_REG :
- sprintf(parm_str, "0x%03x,%s",
- ((code & 0x7) << 8) | get_mem(MEM_ROM, addr+immed_offset),
+ sprintf(parm_str, "%s,%s",
+ get_dir_name(((code & 0x7) << 8) |
+ get_mem(MEM_ROM, addr+immed_offset)),
reg_strs[((code >> 4) & 0xf)] );
++immed_offset;
break;
case REG_DIRECT :
- sprintf(parm_str, "%s,0x%03x",
- reg_strs[((code >> 4) & 0xf)],
- ((code & 0x7) << 8) + get_mem(MEM_ROM, addr+immed_offset) );
+ sprintf(parm_str, "%s,%s",
+ reg_strs[((code >> 4) & 0xf)],
+ get_dir_name(((code & 0x7) << 8) |
+ get_mem(MEM_ROM, addr+immed_offset)));
++immed_offset;
break;
case REG_DATA8 :
++immed_offset;
break;
case IREGOFF8_DATA8 :
- sprintf(parm_str, "[%s+%02d], 0x%02x",
+ sprintf(parm_str, "[%s+%02x], 0x%02x",
w_reg_strs[((code >> 4) & 0x7)],
get_mem(MEM_ROM, addr+immed_offset),
get_mem(MEM_ROM, addr+immed_offset+1) );
immed_offset += 2;
break;
case IREGOFF8_DATA16 :
- sprintf(parm_str, "[%s+%02d], 0x%04x",
+ sprintf(parm_str, "[%s+%02x], 0x%04x",
w_reg_strs[((code >> 4) & 0x7)],
get_mem(MEM_ROM, addr+immed_offset),
(short)((get_mem(MEM_ROM, addr+immed_offset+2)) |
immed_offset += 3;
break;
case IREGOFF16_DATA8 :
- sprintf(parm_str, "[%s+%04d], 0x%02x",
+ sprintf(parm_str, "[%s+%04x], 0x%02x",
w_reg_strs[((code >> 4) & 0x7)],
(short)((get_mem(MEM_ROM, addr+immed_offset+1)) |
(get_mem(MEM_ROM, addr+immed_offset+0)<<8)),
immed_offset += 3;
break;
case IREGOFF16_DATA16 :
- sprintf(parm_str, "[%s+%04d], 0x%04x",
+ sprintf(parm_str, "[%s+%04x], 0x%04x",
w_reg_strs[((code >> 4) & 0x7)],
(short)((get_mem(MEM_ROM, addr+immed_offset+1)) |
(get_mem(MEM_ROM, addr+immed_offset+0)<<8)),
immed_offset += 4;
break;
case DIRECT_DATA8 :
- sprintf(parm_str, "0x%03x,#0x%02x",
- ((code & 0x0070) << 4) | get_mem(MEM_ROM, addr+immed_offset),
+ sprintf(parm_str, "%s,#0x%02x",
+ get_dir_name(((code & 0x0070) << 4) |
+ get_mem(MEM_ROM, addr+immed_offset)),
get_mem(MEM_ROM, addr+immed_offset+1));
immed_offset += 3;
break;
case DIRECT_DATA16 :
- sprintf(parm_str, "%0x03x,#0x%04x",
- ((code & 0x0070) << 4) | get_mem(MEM_ROM, addr+immed_offset),
+ sprintf(parm_str, "%s,#0x%04x",
+ get_dir_name(((code & 0x0070) << 4) |
+ get_mem(MEM_ROM, addr+immed_offset)),
get_mem(MEM_ROM, addr+immed_offset+2) +
(get_mem(MEM_ROM, addr+immed_offset+1)<<8));
immed_offset += 3;
strcpy(parm_str, "IREGOFF16_DATA4");
break;
case DIRECT_DATA4 :
- strcpy(parm_str, "DIRECT_DATA4");
+ sprintf(parm_str, "%s,#0x%x",
+ get_dir_name(((code & 0x70)<<4) |
+ get_mem(MEM_ROM, addr+2)),
+ code&0x0f);
break;
case DIRECT :
- sprintf(parm_str, "0x%03x",
- ((code & 0x007) << 4) + get_mem(MEM_ROM, addr+2));
+ sprintf(parm_str, "%s",
+ get_dir_name(((code & 0x007) << 4) +
+ get_mem(MEM_ROM, addr+2)));
break;
case REG :
sprintf(parm_str, "%s",
reg_strs[((code >> 4) & 0xf)] );
break;
case BIT_ALONE :
- sprintf(parm_str, "0x%03x",
- ((code&0x0003)<<8) + get_mem(MEM_ROM, addr+2));
+ sprintf(parm_str, "%s",
+ get_bit_name(((code&0x0003)<<8) + get_mem(MEM_ROM, addr+2)));
break;
case BIT_REL8 :
- sprintf(parm_str, "0x%03x,0x%04x",
- ((code&0x0003)<<8) + get_mem(MEM_ROM, addr+2),
+ sprintf(parm_str, "%s,0x%04x",
+ get_bit_name((code&0x0003)<<8) + get_mem(MEM_ROM, addr+2),
((signed char)get_mem(MEM_ROM, addr+3)*2+addr+len)&0xfffe);
break;
case ADDR24 :
strcpy(parm_str, "ADDR24");
break;
case REG_REL8 :
- //strcpy(parm_str, "REG_REL8");
sprintf(parm_str, "%s,0x%04x",
reg_strs[(code>>4) & 0xf],
((signed char)get_mem(MEM_ROM, addr+2)*2+addr+len)&0xfffe);
break;
case DIRECT_REL8 :
- strcpy(parm_str, "DIRECT_REL8");
+ sprintf(parm_str, "%s,0x%04x",
+ get_dir_name(((code&0x07)<<8) +
+ get_mem(MEM_ROM, addr+2)),
+ ((signed char)get_mem(MEM_ROM, addr+2)*2+addr+len)&0xfffe);
break;
case REL8 :
- //strcpy(parm_str, "REL8");
sprintf(parm_str, "0x%04x",
((signed char)get_mem(MEM_ROM, addr+1)*2+addr+len)&0xfffe);
break;
case REL16 :
- //strcpy(parm_str, "REL16");
sprintf(parm_str, "0x%04x",
((signed short)((get_mem(MEM_ROM, addr+1)<<8) + get_mem(MEM_ROM, addr+2))*2+addr+len)&0xfffe);
break;
- case RLIST :
- strcpy(parm_str, "RLIST");
+ case RLIST : {
+ /* TODO: the list should be comma reperated
+ and maybe for POP the list should be reversed */
+ unsigned char rlist=code&0xff;
+ parm_str[0]='\0';
+ if (code&0x0800) { // word list
+ if (code&0x4000) { // R8-R15
+ if (rlist&0x80) strcat (parm_str, "R15 ");
+ if (rlist&0x40) strcat (parm_str, "R14");
+ if (rlist&0x20) strcat (parm_str, "R13 ");
+ if (rlist&0x10) strcat (parm_str, "R12 ");
+ if (rlist&0x08) strcat (parm_str, "R11 ");
+ if (rlist&0x04) strcat (parm_str, "R10 ");
+ if (rlist&0x02) strcat (parm_str, "R9 ");
+ if (rlist&0x01) strcat (parm_str, "R8 ");
+ } else { // R7-R0
+ if (rlist&0x80) strcat (parm_str, "R7 ");
+ if (rlist&0x40) strcat (parm_str, "R6 ");
+ if (rlist&0x20) strcat (parm_str, "R5 ");
+ if (rlist&0x10) strcat (parm_str, "R4 ");
+ if (rlist&0x08) strcat (parm_str, "R3 ");
+ if (rlist&0x04) strcat (parm_str, "R2 ");
+ if (rlist&0x02) strcat (parm_str, "R1 ");
+ if (rlist&0x01) strcat (parm_str, "R0 ");
+ }
+ } else { // byte list
+ if (code&0x4000) { //R7h-R4l
+ if (rlist&0x80) strcat (parm_str, "R7h ");
+ if (rlist&0x40) strcat (parm_str, "R7l ");
+ if (rlist&0x20) strcat (parm_str, "R6h ");
+ if (rlist&0x10) strcat (parm_str, "R6l ");
+ if (rlist&0x08) strcat (parm_str, "R5h ");
+ if (rlist&0x04) strcat (parm_str, "R5l ");
+ if (rlist&0x02) strcat (parm_str, "R4h ");
+ if (rlist&0x01) strcat (parm_str, "R4l ");
+ } else { // R3h-R0l
+ if (rlist&0x80) strcat (parm_str, "R3h ");
+ if (rlist&0x40) strcat (parm_str, "R3l ");
+ if (rlist&0x20) strcat (parm_str, "R2h ");
+ if (rlist&0x10) strcat (parm_str, "R2l ");
+ if (rlist&0x08) strcat (parm_str, "R1h ");
+ if (rlist&0x04) strcat (parm_str, "R1l ");
+ if (rlist&0x02) strcat (parm_str, "R0h ");
+ if (rlist&0x01) strcat (parm_str, "R0l ");
+ }
+ }
+ }
break;
case REG_DIRECT_REL8 :
- sprintf(parm_str, "%s,0x%02x,0x%02x",
+ sprintf(parm_str, "%s,%s,0x%02x",
reg_strs[((code >> 4) & 0xf)],
- ((code & 0x7) << 8) + get_mem(MEM_ROM, addr+immed_offset),
- (get_mem(MEM_ROM, addr+immed_offset+1) * 2) & 0xfffe );
+ get_dir_name(((code & 0x7) << 8) +
+ get_mem(MEM_ROM, addr+immed_offset)),
+ ((signed char) get_mem(MEM_ROM, addr+immed_offset+1) * 2) & 0xfffe );
break;
case REG_DATA8_REL8 :
sprintf(parm_str, "%s,#0x%04x,0x%02x",
reg_strs[((code >> 4) & 0xf)],
get_mem(MEM_ROM, addr+immed_offset),
- (get_mem(MEM_ROM, addr+immed_offset+1) * 2) & 0xfffe );
+ ((signed char)get_mem(MEM_ROM, addr+immed_offset+1) * 2) & 0xfffe );
break;
case REG_DATA16_REL8 :
sprintf(parm_str, "%s,#0x%02x,0x%02x",
w_reg_strs[((code >> 4) & 0x7)*2],
get_mem(MEM_ROM, addr+immed_offset+1) +
(get_mem(MEM_ROM, addr+immed_offset+0)<<8),
- (get_mem(MEM_ROM, addr+immed_offset+2) * 2) & 0xfffe );
+ ((signed char)get_mem(MEM_ROM, addr+immed_offset+2) * 2) & 0xfffe );
break;
case IREG_DATA8_REL8 :
sprintf(parm_str, "[%s],#0x%04x,0x%02x",
reg_strs[((code >> 4) & 0x7)],
get_mem(MEM_ROM, addr+immed_offset),
- (get_mem(MEM_ROM, addr+immed_offset+1) * 2) & 0xfffe );
+ ((signed char)get_mem(MEM_ROM, addr+immed_offset+1) * 2) & 0xfffe );
break;
case IREG_DATA16_REL8 :
sprintf(parm_str, "[%s],#0x%02x,0x%02x",
w_reg_strs[((code >> 4) & 0x7)*2],
get_mem(MEM_ROM, addr+immed_offset+1) +
(get_mem(MEM_ROM, addr+immed_offset+0)<<8),
- (get_mem(MEM_ROM, addr+immed_offset+2) * 2) & 0xfffe );
+ ((signed char)get_mem(MEM_ROM, addr+immed_offset+2) * 2) & 0xfffe );
+ break;
+
+ case A_APLUSDPTR :
+ strcpy(parm_str, "A, [A+DPTR]");
+ break;
+
+ case A_APLUSPC :
+ strcpy(parm_str, "A, [A+PC]");
break;
default:
buf= (char *)malloc(6+strlen(p)+1);
else
buf= (char *)malloc((p-work)+strlen(sep)+strlen(p)+1);
+
for (p= work, b= buf; *p != ' '; p++, b++)
*b= *p;
p++;
unsigned char flags;
flags = get_psw();
- con->dd_printf("CA---VNZ Flags: %02x ", flags);
+ con->dd_printf("CA---VNZ | ", flags);
con->dd_printf("R0:%04x R1:%04x R2:%04x R3:%04x\n",
reg2(0), reg2(1), reg2(2), reg2(3));
- con->dd_printf("%c%c---%c%c%c ",
+ con->dd_printf("%c%c---%c%c%c | ",
(flags & BIT_C)?'1':'0',
(flags & BIT_AC)?'1':'0',
(flags & BIT_V)?'1':'0',
(flags & BIT_N)?'1':'0',
(flags & BIT_Z)?'1':'0');
- con->dd_printf("R4:%04x R5:%04x R6:%04x R7(SP):%04x ES:%04x DS:%04x\n",
+ con->dd_printf("R4:%04x R5:%04x R6:%04x SP:%04x ES:%04x DS:%04x\n",
reg2(4), reg2(5), reg2(6), reg2(7), 0, 0);
print_disass(PC, con);
code = (code1 << 8);
i= 0;
while ( ((code & disass_xa[i].mask) != disass_xa[i].code ||
- ((disass_xa[i].mask & 0x00ff) != 0)) /* one byte op code */
+ (!disass_xa[i].is1byte)) /* not a one byte op code */
&&
disass_xa[i].mnemonic != BAD_OPCODE)
i++;