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Fixed the disassembly of the "mov ax, mem" instructions (opcodes A0-

Browse Source 
A3) in the i386 and NEC disassemblers. The argument (the memory
address) was being displayed as a signed number, which doesn't make
any sense. [Alex Jackson]

Fixed a tiny bug with the debugger hex dump command: the printable
characters in ASCII range from 32 to 12*6*, not 127. [Alex Jackson]
This commit is contained in:
Angelo Salese 2011-05-15 23:57:04 +00:00
parent d0979397ef
commit 62950e6917
3 changed files with 11 additions and 11 deletions
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8
src/emu/cpu/i386/i386dasm.c
View File

@ -1565,11 +1565,11 @@ static char* handle_param(char* s, UINT32 param)
}
if( address_size ) {
d32 = FETCHD32();
s += sprintf( s, "[%s]", hexstring(d32, 0) );
i32 = FETCHD32();
s += sprintf( s, "[%s]", hexstring(i32, 0) );
} else {
d32 = FETCHD16();
s += sprintf( s, "[%s]", hexstring(d32, 0) );
i16 = FETCHD16();
s += sprintf( s, "[%s]", hexstring(i16, 0) );
}
break;

12
src/emu/cpu/nec/necdasm.c
View File

@ -818,7 +818,7 @@ static const GROUP_OP group_op_table[] =
static const char *const nec_reg[8] = { "aw", "cw", "dw", "bw", "sp", "bp", "ix", "iy" };
static const char *const neg_reg8[8] = { "al", "cl", "dl", "bl", "ah", "ch", "dh", "bh" };
static const char *const nec_reg8[8] = { "al", "cl", "dl", "bl", "ah", "ch", "dh", "bh" };
static const char *const nec_sreg[8] = { "ds1", "ps", "ss", "ds0", "???", "???", "???", "???" };
static const char *const nec_sfreg[256] =
{
@ -1006,7 +1006,7 @@ static char* handle_param(char* s, UINT32 param)
switch(param)
{
case PARAM_REG8:
s += sprintf( s, "%s", neg_reg8[MODRM_REG1] );
s += sprintf( s, "%s", nec_reg8[MODRM_REG1] );
break;
case PARAM_REG16:
@ -1014,7 +1014,7 @@ static char* handle_param(char* s, UINT32 param)
break;
case PARAM_REG2_8:
s += sprintf( s, "%s", neg_reg8[MODRM_REG2] );
s += sprintf( s, "%s", nec_reg8[MODRM_REG2] );
break;
case PARAM_REG2_16:
@ -1023,7 +1023,7 @@ static char* handle_param(char* s, UINT32 param)
case PARAM_RM8:
if( modrm >= 0xc0 ) {
s += sprintf( s, "%s", neg_reg8[MODRM_REG2] );
s += sprintf( s, "%s", nec_reg8[MODRM_REG2] );
} else {
s += sprintf( s, "byte ptr " );
s += sprintf( s, "%s", modrm_string );
@ -1096,8 +1096,8 @@ static char* handle_param(char* s, UINT32 param)
case SEG_SS: s += sprintf( s, "ss:" ); break;
}
d16 = FETCHD16();
s += sprintf( s, "[%s]", hexstring(d16, 0) );
i16 = FETCHD16();
s += sprintf( s, "[%s]", hexstring(i16, 0) );
break;
case PARAM_SREG:

2
src/emu/debug/debugcmd.c
View File

@ -1683,7 +1683,7 @@ static void execute_dump(running_machine &machine, int ref, int params, const ch
if (debug_cpu_translate(space, TRANSLATE_READ_DEBUG, &curaddr))
{
UINT8 byte = debug_read_byte(space, i + j, TRUE);
outdex += sprintf(&output[outdex], "%c", (byte >= 32 && byte < 128) ? byte : '.');
outdex += sprintf(&output[outdex], "%c", (byte >= 32 && byte < 127) ? byte : '.');
}
else
outdex += sprintf(&output[outdex], " ");