summaryrefslogtreecommitdiffstatshomepage
path: root/src/emu/cpu/m6805/6805dasm.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/emu/cpu/m6805/6805dasm.c')
-rw-r--r--src/emu/cpu/m6805/6805dasm.c130
1 files changed, 65 insertions, 65 deletions
diff --git a/src/emu/cpu/m6805/6805dasm.c b/src/emu/cpu/m6805/6805dasm.c
index 74e9c740b7d..ce90dd06b02 100644
--- a/src/emu/cpu/m6805/6805dasm.c
+++ b/src/emu/cpu/m6805/6805dasm.c
@@ -13,30 +13,30 @@
#include "m6805.h"
enum addr_mode {
- _imp=0, /* implicit */
- _btr, /* bit test and relative */
- _bit, /* bit set/clear */
- _rel, /* relative */
- _imm, /* immediate */
- _dir, /* direct address */
- _ext, /* extended address */
- _idx, /* indexed */
- _ix1, /* indexed + byte offset */
- _ix2 /* indexed + word offset */
+ _imp=0, /* implicit */
+ _btr, /* bit test and relative */
+ _bit, /* bit set/clear */
+ _rel, /* relative */
+ _imm, /* immediate */
+ _dir, /* direct address */
+ _ext, /* extended address */
+ _idx, /* indexed */
+ _ix1, /* indexed + byte offset */
+ _ix2 /* indexed + word offset */
};
enum op_names {
- adca=0, adda, anda, asl, asla, aslx, asr, asra,
- asrx, bcc, bclr, bcs, beq, bhcc, bhcs, bhi,
- bih, bil, bita, bls, bmc, bmi, bms, bne,
- bpl, bra, brclr, brn, brset, bset, bsr, clc,
- cli, clr, clra, clrx, cmpa, com, coma, comx,
- cpx, dec, deca, decx, eora, ill, inc, inca,
- incx, jmp, jsr, lda, ldx, lsr, lsra, lsrx,
- neg, nega, negx, nop, ora, rol, rola, rolx,
- ror, rora, rorx, rsp, rti, rts, sbca, sec,
- sei, sta, stx, suba, swi, tax, tst, tsta,
- tstx, txa
+ adca=0, adda, anda, asl, asla, aslx, asr, asra,
+ asrx, bcc, bclr, bcs, beq, bhcc, bhcs, bhi,
+ bih, bil, bita, bls, bmc, bmi, bms, bne,
+ bpl, bra, brclr, brn, brset, bset, bsr, clc,
+ cli, clr, clra, clrx, cmpa, com, coma, comx,
+ cpx, dec, deca, decx, eora, ill, inc, inca,
+ incx, jmp, jsr, lda, ldx, lsr, lsra, lsrx,
+ neg, nega, negx, nop, ora, rol, rola, rolx,
+ ror, rora, rorx, rsp, rti, rts, sbca, sec,
+ sei, sta, stx, suba, swi, tax, tst, tsta,
+ tstx, txa
};
static const char *const op_name_str[] = {
@@ -123,44 +123,44 @@ static const unsigned char disasm[0x100][2] = {
#if 0
static const char *const opcode_strings[0x0100] =
{
- "brset0", "brclr0", "brset1", "brclr1", "brset2", "brclr2", "brset3", "brclr3", /*00*/
- "brset4", "brclr4", "brset5", "brclr5", "brset6", "brclr6", "brset7", "brclr7",
- "bset0", "bclr0", "bset1", "bclr1", "bset2", "bclr2", "bset3", "bclr3", /*10*/
- "bset4", "bclr4", "bset5", "bclr5", "bset6", "bclr6", "bset7", "bclr7",
- "bra", "brn", "bhi", "bls", "bcc", "bcs", "bne", "beq", /*20*/
- "bhcc", "bhcs", "bpl", "bmi", "bmc", "bms", "bil", "bih",
+ "brset0", "brclr0", "brset1", "brclr1", "brset2", "brclr2", "brset3", "brclr3", /*00*/
+ "brset4", "brclr4", "brset5", "brclr5", "brset6", "brclr6", "brset7", "brclr7",
+ "bset0", "bclr0", "bset1", "bclr1", "bset2", "bclr2", "bset3", "bclr3", /*10*/
+ "bset4", "bclr4", "bset5", "bclr5", "bset6", "bclr6", "bset7", "bclr7",
+ "bra", "brn", "bhi", "bls", "bcc", "bcs", "bne", "beq", /*20*/
+ "bhcc", "bhcs", "bpl", "bmi", "bmc", "bms", "bil", "bih",
"neg_di", "illegal", "illegal", "com_di", "lsr_di", "illegal", "ror_di", "asr_di", /*30*/
- "asl_di", "rol_di", "dec_di", "illegal", "inc_di", "tst_di", "illegal", "clr_di",
- "nega", "illegal", "illegal", "coma", "lsra", "illegal", "rora", "asra", /*40*/
- "asla", "rola", "deca", "illegal", "inca", "tsta", "illegal", "clra",
- "negx", "illegal", "illegal", "comx", "lsrx", "illegal", "rorx", "asrx", /*50*/
- "aslx", "rolx", "decx", "illegal", "incx", "tstx", "illegal", "clrx",
- "neg_ix1", "illegal", "illegal", "com_ix1", "lsr_ix1", "illegal", "ror_ix1", "asr_ix1", /*60*/
- "asl_ix1", "rol_ix1", "dec_ix1", "illegal", "inc_ix1", "tst_ix1", "jmp_ix1", "clr_ix1",
- "neg_ix", "illegal", "illegal", "com_ix", "lsr_ix", "illegal", "ror_ix", "asr_ix", /*70*/
- "asl_ix", "rol_ix", "dec_ix", "illegal", "inc_ix", "tst_ix", "jmp_ix", "clr_ix",
- "rti", "rts", "illegal", "swi", "illegal", "illegal", "illegal", "illegal", /*80*/
- "illegal", "illegal", "illegal", "illegal", "illegal", "illegal", "illegal", "illegal",
- "illegal", "illegal", "illegal", "illegal", "illegal", "illegal", "illegal", "tax", /*90*/
- "clc", "sec", "cli", "sei", "rsp", "nop", "illegal", "txa",
- "suba_im", "cmpa_im", "sbca_im", "cpx_im", "anda_im", "bita_im", "lda_im", "illegal", /*A0*/
- "eora_im", "adca_im", "ora_im", "adda_im", "illegal", "bsr", "ldx_im", "illegal",
- "suba_di", "cmpa_di", "sbca_di", "cpx_di", "anda_di", "bita_di", "lda_di", "sta_di", /*B0*/
- "eora_di", "adca_di", "ora_di", "adda_di", "jmp_di", "jsr_di", "ldx_di", "stx_di",
- "suba_ex", "cmpa_ex", "sbca_ex", "cpx_ex", "anda_ex", "bita_ex", "lda_ex", "sta_ex", /*C0*/
- "eora_ex", "adca_ex", "ora_ex", "adda_ex", "jmp_ex", "jsr_ex", "ldx_ex", "stx_ex",
- "suba_ix2", "cmpa_ix2", "sbca_ix2", "cpx_ix2", "anda_ix2", "bita_ix2", "lda_ix2", "sta_ix2", /*D0*/
- "eora_ix2", "adca_ix2", "ora_ix2", "adda_ix2", "jmp_ix2", "jsr_ix2", "ldx_ix2", "stx_ix2",
- "suba_ix1", "cmpa_ix1", "sbca_ix1", "cpx_ix1", "anda_ix1", "bita_ix1", "lda_ix1", "sta_ix1", /*E0*/
- "eora_ix1", "adca_ix1", "ora_ix1", "adda_ix1", "jmp_ix1", "jsr_ix1", "ldx_ix1", "stx_ix1",
- "suba_ix", "cmpa_ix", "sbca_ix", "cpx_ix", "anda_ix", "bita_ix", "lda_ix", "sta_ix", /*F0*/
- "eora_ix", "adca_ix", "ora_ix", "adda_ix", "jmp_ix", "jsr_ix", "ldx_ix", "stx_ix"
+ "asl_di", "rol_di", "dec_di", "illegal", "inc_di", "tst_di", "illegal", "clr_di",
+ "nega", "illegal", "illegal", "coma", "lsra", "illegal", "rora", "asra", /*40*/
+ "asla", "rola", "deca", "illegal", "inca", "tsta", "illegal", "clra",
+ "negx", "illegal", "illegal", "comx", "lsrx", "illegal", "rorx", "asrx", /*50*/
+ "aslx", "rolx", "decx", "illegal", "incx", "tstx", "illegal", "clrx",
+ "neg_ix1", "illegal", "illegal", "com_ix1", "lsr_ix1", "illegal", "ror_ix1", "asr_ix1", /*60*/
+ "asl_ix1", "rol_ix1", "dec_ix1", "illegal", "inc_ix1", "tst_ix1", "jmp_ix1", "clr_ix1",
+ "neg_ix", "illegal", "illegal", "com_ix", "lsr_ix", "illegal", "ror_ix", "asr_ix", /*70*/
+ "asl_ix", "rol_ix", "dec_ix", "illegal", "inc_ix", "tst_ix", "jmp_ix", "clr_ix",
+ "rti", "rts", "illegal", "swi", "illegal", "illegal", "illegal", "illegal", /*80*/
+ "illegal", "illegal", "illegal", "illegal", "illegal", "illegal", "illegal", "illegal",
+ "illegal", "illegal", "illegal", "illegal", "illegal", "illegal", "illegal", "tax", /*90*/
+ "clc", "sec", "cli", "sei", "rsp", "nop", "illegal", "txa",
+ "suba_im", "cmpa_im", "sbca_im", "cpx_im", "anda_im", "bita_im", "lda_im", "illegal", /*A0*/
+ "eora_im", "adca_im", "ora_im", "adda_im", "illegal", "bsr", "ldx_im", "illegal",
+ "suba_di", "cmpa_di", "sbca_di", "cpx_di", "anda_di", "bita_di", "lda_di", "sta_di", /*B0*/
+ "eora_di", "adca_di", "ora_di", "adda_di", "jmp_di", "jsr_di", "ldx_di", "stx_di",
+ "suba_ex", "cmpa_ex", "sbca_ex", "cpx_ex", "anda_ex", "bita_ex", "lda_ex", "sta_ex", /*C0*/
+ "eora_ex", "adca_ex", "ora_ex", "adda_ex", "jmp_ex", "jsr_ex", "ldx_ex", "stx_ex",
+ "suba_ix2", "cmpa_ix2", "sbca_ix2", "cpx_ix2", "anda_ix2", "bita_ix2", "lda_ix2", "sta_ix2", /*D0*/
+ "eora_ix2", "adca_ix2", "ora_ix2", "adda_ix2", "jmp_ix2", "jsr_ix2", "ldx_ix2", "stx_ix2",
+ "suba_ix1", "cmpa_ix1", "sbca_ix1", "cpx_ix1", "anda_ix1", "bita_ix1", "lda_ix1", "sta_ix1", /*E0*/
+ "eora_ix1", "adca_ix1", "ora_ix1", "adda_ix1", "jmp_ix1", "jsr_ix1", "ldx_ix1", "stx_ix1",
+ "suba_ix", "cmpa_ix", "sbca_ix", "cpx_ix", "anda_ix", "bita_ix", "lda_ix", "sta_ix", /*F0*/
+ "eora_ix", "adca_ix", "ora_ix", "adda_ix", "jmp_ix", "jsr_ix", "ldx_ix", "stx_ix"
};
#endif
CPU_DISASSEMBLE( m6805 )
{
- int code, bit;
+ int code, bit;
UINT16 ea;
UINT32 flags = 0;
@@ -175,38 +175,38 @@ CPU_DISASSEMBLE( m6805 )
switch( disasm[code][1] )
{
- case _btr: /* bit test and relative branch */
+ case _btr: /* bit test and relative branch */
bit = (code >> 1) & 7;
sprintf (buffer, "%d,$%02X,$%03X", bit, opram[1], pc + 3 + (INT8)opram[2]);
return 3 | flags | DASMFLAG_SUPPORTED;
- case _bit: /* bit test */
+ case _bit: /* bit test */
bit = (code >> 1) & 7;
sprintf (buffer, "%d,$%03X", bit, opram[1]);
return 2 | flags | DASMFLAG_SUPPORTED;
- case _rel: /* relative */
+ case _rel: /* relative */
sprintf (buffer, "$%03X", pc + 2 + (INT8)opram[1]);
return 2 | flags | DASMFLAG_SUPPORTED;
- case _imm: /* immediate */
+ case _imm: /* immediate */
sprintf (buffer, "#$%02X", opram[1]);
return 2 | flags | DASMFLAG_SUPPORTED;
- case _dir: /* direct (zero page address) */
- sprintf (buffer, "$%02X", opram[1]);
+ case _dir: /* direct (zero page address) */
+ sprintf (buffer, "$%02X", opram[1]);
return 2 | flags | DASMFLAG_SUPPORTED;
- case _ext: /* extended (16 bit address) */
+ case _ext: /* extended (16 bit address) */
ea = (opram[1] << 8) + opram[2];
sprintf (buffer, "$%04X", ea);
return 3 | flags | DASMFLAG_SUPPORTED;
- case _idx: /* indexed */
+ case _idx: /* indexed */
sprintf (buffer, "(x)");
return 1 | flags | DASMFLAG_SUPPORTED;
- case _ix1: /* indexed + byte (zero page) */
+ case _ix1: /* indexed + byte (zero page) */
sprintf (buffer, "(x+$%02X)", opram[1]);
return 2 | flags | DASMFLAG_SUPPORTED;
- case _ix2: /* indexed + word (16 bit address) */
+ case _ix2: /* indexed + word (16 bit address) */
ea = (opram[1] << 8) + opram[2];
sprintf (buffer, "(x+$%04X)", ea);
return 3 | flags | DASMFLAG_SUPPORTED;
- default: /* implicit */
+ default: /* implicit */
return 1 | flags | DASMFLAG_SUPPORTED;
- }
+ }
}