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Diffstat (limited to 'src/emu/cpu/m6809/6809ops.c')
-rw-r--r--src/emu/cpu/m6809/6809ops.c223
1 files changed, 111 insertions, 112 deletions
diff --git a/src/emu/cpu/m6809/6809ops.c b/src/emu/cpu/m6809/6809ops.c
index be0dff62830..6ad168939f6 100644
--- a/src/emu/cpu/m6809/6809ops.c
+++ b/src/emu/cpu/m6809/6809ops.c
@@ -21,7 +21,7 @@ OP_HANDLER( illegal )
void m6809_base_device::IIError()
{
- illegal(); // Vector to Trap handler
+ illegal(); // Vector to Trap handler
}
/* $00 NEG direct ?**** */
@@ -178,10 +178,10 @@ OP_HANDLER( sync )
/* SYNC stops processing instructions until an interrupt request happens. */
/* This doesn't require the corresponding interrupt to be enabled: if it */
/* is disabled, execution continues with the next instruction. */
- m_int_state |= M6809_SYNC; /* HJB 990227 */
+ m_int_state |= M6809_SYNC; /* HJB 990227 */
check_irq_lines();
/* if M6809_SYNC has not been cleared by check_irq_lines(),
- * stop execution until the interrupt lines change. */
+ * stop execution until the interrupt lines change. */
if( m_int_state & M6809_SYNC )
if (m_icount > 0) m_icount = 0;
}
@@ -228,7 +228,7 @@ OP_HANDLER( orcc )
UINT8 t;
IMMBYTE(t);
CC |= t;
- check_irq_lines(); /* HJB 990116 */
+ check_irq_lines(); /* HJB 990116 */
}
/* $1B ILLEGAL */
@@ -239,7 +239,7 @@ OP_HANDLER( andcc )
UINT8 t;
IMMBYTE(t);
CC &= t;
- check_irq_lines(); /* HJB 990116 */
+ check_irq_lines(); /* HJB 990116 */
}
/* $1D SEX inherent -**-- */
@@ -260,7 +260,7 @@ OP_HANDLER( exg )
UINT8 tb;
IMMBYTE(tb);
- if( (tb^(tb>>4)) & 0x08 ) /* HJB 990225: mixed 8/16 bit case? */
+ if( (tb^(tb>>4)) & 0x08 ) /* HJB 990225: mixed 8/16 bit case? */
{
/* transfer $ff to both registers */
t1 = t2 = 0xff;
@@ -292,7 +292,7 @@ OP_HANDLER( exg )
case 10: t2 = CC; break;
case 11: t2 = DP; break;
default: t2 = 0xff;
- }
+ }
}
switch(tb>>4) {
case 0: D = t2; break;
@@ -327,11 +327,11 @@ OP_HANDLER( tfr )
UINT16 t;
IMMBYTE(tb);
- if( (tb^(tb>>4)) & 0x08 ) /* HJB 990225: mixed 8/16 bit case? */
+ if( (tb^(tb>>4)) & 0x08 ) /* HJB 990225: mixed 8/16 bit case? */
{
/* transfer $ff to register */
t = 0xff;
- }
+ }
else
{
switch(tb>>4) {
@@ -346,7 +346,7 @@ OP_HANDLER( tfr )
case 10: t = CC; break;
case 11: t = DP; break;
default: t = 0xff;
- }
+ }
}
switch(tb&15) {
case 0: D = t; break;
@@ -359,7 +359,7 @@ OP_HANDLER( tfr )
case 9: B = t; break;
case 10: CC = t; break;
case 11: DP = t; break;
- }
+ }
}
/* $20 BRA relative ----- */
@@ -669,7 +669,7 @@ OP_HANDLER( rti )
{
UINT8 t;
PULLBYTE(CC);
- t = CC & CC_E; /* HJB 990225: entire state saved? */
+ t = CC & CC_E; /* HJB 990225: entire state saved? */
if(t)
{
m_icount -= 9;
@@ -681,7 +681,7 @@ OP_HANDLER( rti )
PULLWORD(UD);
}
PULLWORD(PCD);
- check_irq_lines(); /* HJB 990116 */
+ check_irq_lines(); /* HJB 990116 */
}
/* $3C CWAI inherent ----1 */
@@ -691,11 +691,11 @@ OP_HANDLER( cwai )
IMMBYTE(t);
CC &= t;
/*
- * CWAI stacks the entire machine state on the hardware stack,
- * then waits for an interrupt; when the interrupt is taken
- * later, the state is *not* saved again after CWAI.
- */
- CC |= CC_E; /* HJB 990225: save entire state */
+ * CWAI stacks the entire machine state on the hardware stack,
+ * then waits for an interrupt; when the interrupt is taken
+ * later, the state is *not* saved again after CWAI.
+ */
+ CC |= CC_E; /* HJB 990225: save entire state */
PUSHWORD(pPC);
PUSHWORD(pU);
PUSHWORD(pY);
@@ -704,7 +704,7 @@ OP_HANDLER( cwai )
PUSHBYTE(B);
PUSHBYTE(A);
PUSHBYTE(CC);
- m_int_state |= M6809_CWAI; /* HJB 990228 */
+ m_int_state |= M6809_CWAI; /* HJB 990228 */
check_irq_lines(); /* HJB 990116 */
if( m_int_state & M6809_CWAI )
if( m_icount > 0 )
@@ -725,7 +725,7 @@ OP_HANDLER( mul )
/* $3F SWI (SWI2 SWI3) absolute indirect ----- */
OP_HANDLER( swi )
{
- CC |= CC_E; /* HJB 980225: save entire state */
+ CC |= CC_E; /* HJB 980225: save entire state */
PUSHWORD(pPC);
PUSHWORD(pU);
PUSHWORD(pY);
@@ -734,14 +734,14 @@ OP_HANDLER( swi )
PUSHBYTE(B);
PUSHBYTE(A);
PUSHBYTE(CC);
- CC |= CC_IF | CC_II; /* inhibit FIRQ and IRQ */
+ CC |= CC_IF | CC_II; /* inhibit FIRQ and IRQ */
PCD=RM16(0xfffa);
}
/* $103F SWI2 absolute indirect ----- */
OP_HANDLER( swi2 )
{
- CC |= CC_E; /* HJB 980225: save entire state */
+ CC |= CC_E; /* HJB 980225: save entire state */
PUSHWORD(pPC);
PUSHWORD(pU);
PUSHWORD(pY);
@@ -756,7 +756,7 @@ OP_HANDLER( swi2 )
/* $113F SWI3 absolute indirect ----- */
OP_HANDLER( swi3 )
{
- CC |= CC_E; /* HJB 980225: save entire state */
+ CC |= CC_E; /* HJB 980225: save entire state */
PUSHWORD(pPC);
PUSHWORD(pU);
PUSHWORD(pY);
@@ -1257,7 +1257,7 @@ OP_HANDLER( suba_im )
/* $81 CMPA immediate ?**** */
OP_HANDLER( cmpa_im )
{
- UINT16 t,r;
+ UINT16 t,r;
IMMBYTE(t);
r = A - t;
CLR_NZVC;
@@ -1267,7 +1267,7 @@ OP_HANDLER( cmpa_im )
/* $82 SBCA immediate ?**** */
OP_HANDLER( sbca_im )
{
- UINT16 t,r;
+ UINT16 t,r;
IMMBYTE(t);
r = A - t - (CC & CC_C);
CLR_NZVC;
@@ -1478,7 +1478,7 @@ OP_HANDLER( sty_im )
/* $90 SUBA direct ?**** */
OP_HANDLER( suba_di )
{
- UINT16 t,r;
+ UINT16 t,r;
DIRBYTE(t);
r = A - t;
CLR_NZVC;
@@ -1489,7 +1489,7 @@ OP_HANDLER( suba_di )
/* $91 CMPA direct ?**** */
OP_HANDLER( cmpa_di )
{
- UINT16 t,r;
+ UINT16 t,r;
DIRBYTE(t);
r = A - t;
CLR_NZVC;
@@ -1499,7 +1499,7 @@ OP_HANDLER( cmpa_di )
/* $92 SBCA direct ?**** */
OP_HANDLER( sbca_di )
{
- UINT16 t,r;
+ UINT16 t,r;
DIRBYTE(t);
r = A - t - (CC & CC_C);
CLR_NZVC;
@@ -1729,7 +1729,7 @@ OP_HANDLER( cmpa_ix )
/* $a2 SBCA indexed ?**** */
OP_HANDLER( sbca_ix )
{
- UINT16 t,r;
+ UINT16 t,r;
fetch_effective_address();
t = RM(EAD);
r = A - t - (CC & CC_C);
@@ -1944,7 +1944,7 @@ OP_HANDLER( sty_ix )
/* $b0 SUBA extended ?**** */
OP_HANDLER( suba_ex )
{
- UINT16 t,r;
+ UINT16 t,r;
EXTBYTE(t);
r = A - t;
CLR_NZVC;
@@ -1955,7 +1955,7 @@ OP_HANDLER( suba_ex )
/* $b1 CMPA extended ?**** */
OP_HANDLER( cmpa_ex )
{
- UINT16 t,r;
+ UINT16 t,r;
EXTBYTE(t);
r = A - t;
CLR_NZVC;
@@ -1965,7 +1965,7 @@ OP_HANDLER( cmpa_ex )
/* $b2 SBCA extended ?**** */
OP_HANDLER( sbca_ex )
{
- UINT16 t,r;
+ UINT16 t,r;
EXTBYTE(t);
r = A - t - (CC & CC_C);
CLR_NZVC;
@@ -2171,7 +2171,7 @@ OP_HANDLER( sty_ex )
/* $c0 SUBB immediate ?**** */
OP_HANDLER( subb_im )
{
- UINT16 t,r;
+ UINT16 t,r;
IMMBYTE(t);
r = B - t;
CLR_NZVC;
@@ -2182,7 +2182,7 @@ OP_HANDLER( subb_im )
/* $c1 CMPB immediate ?**** */
OP_HANDLER( cmpb_im )
{
- UINT16 t,r;
+ UINT16 t,r;
IMMBYTE(t);
r = B - t;
CLR_NZVC; SET_FLAGS8(B,t,r);
@@ -2191,7 +2191,7 @@ OP_HANDLER( cmpb_im )
/* $c2 SBCB immediate ?**** */
OP_HANDLER( sbcb_im )
{
- UINT16 t,r;
+ UINT16 t,r;
IMMBYTE(t);
r = B - t - (CC & CC_C);
CLR_NZVC;
@@ -2308,7 +2308,7 @@ OP_HANDLER( std_im )
{
CLR_NZV;
SET_NZ16(D);
- IMM16;
+ IMM16;
WM16(EAD,&pD);
}
@@ -2335,7 +2335,7 @@ OP_HANDLER( stu_im )
{
CLR_NZV;
SET_NZ16(U);
- IMM16;
+ IMM16;
WM16(EAD,&pU);
}
@@ -2345,14 +2345,14 @@ OP_HANDLER( sts_im )
{
CLR_NZV;
SET_NZ16(S);
- IMM16;
+ IMM16;
WM16(EAD,&pS);
}
/* $d0 SUBB direct ?**** */
OP_HANDLER( subb_di )
{
- UINT16 t,r;
+ UINT16 t,r;
DIRBYTE(t);
r = B - t;
CLR_NZVC;
@@ -2363,7 +2363,7 @@ OP_HANDLER( subb_di )
/* $d1 CMPB direct ?**** */
OP_HANDLER( cmpb_di )
{
- UINT16 t,r;
+ UINT16 t,r;
DIRBYTE(t);
r = B - t;
CLR_NZVC;
@@ -2373,7 +2373,7 @@ OP_HANDLER( cmpb_di )
/* $d2 SBCB direct ?**** */
OP_HANDLER( sbcb_di )
{
- UINT16 t,r;
+ UINT16 t,r;
DIRBYTE(t);
r = B - t - (CC & CC_C);
CLR_NZVC;
@@ -2530,7 +2530,7 @@ OP_HANDLER( sts_di )
/* $e0 SUBB indexed ?**** */
OP_HANDLER( subb_ix )
{
- UINT16 t,r;
+ UINT16 t,r;
fetch_effective_address();
t = RM(EAD);
r = B - t;
@@ -2542,7 +2542,7 @@ OP_HANDLER( subb_ix )
/* $e1 CMPB indexed ?**** */
OP_HANDLER( cmpb_ix )
{
- UINT16 t,r;
+ UINT16 t,r;
fetch_effective_address();
t = RM(EAD);
r = B - t;
@@ -2553,7 +2553,7 @@ OP_HANDLER( cmpb_ix )
/* $e2 SBCB indexed ?**** */
OP_HANDLER( sbcb_ix )
{
- UINT16 t,r;
+ UINT16 t,r;
fetch_effective_address();
t = RM(EAD);
r = B - t - (CC & CC_C);
@@ -2566,8 +2566,8 @@ OP_HANDLER( sbcb_ix )
OP_HANDLER( addd_ix )
{
UINT32 r,d;
- PAIR b;
- fetch_effective_address();
+ PAIR b;
+ fetch_effective_address();
b.d=RM16(EAD);
d = D;
r = d + b.d;
@@ -2608,7 +2608,7 @@ OP_HANDLER( ldb_ix )
OP_HANDLER( stb_ix )
{
fetch_effective_address();
- CLR_NZV;
+ CLR_NZV;
SET_NZ8(B);
WM(EAD,B);
}
@@ -2714,7 +2714,7 @@ OP_HANDLER( sts_ix )
/* $f0 SUBB extended ?**** */
OP_HANDLER( subb_ex )
{
- UINT16 t,r;
+ UINT16 t,r;
EXTBYTE(t);
r = B - t;
CLR_NZVC;
@@ -2725,7 +2725,7 @@ OP_HANDLER( subb_ex )
/* $f1 CMPB extended ?**** */
OP_HANDLER( cmpb_ex )
{
- UINT16 t,r;
+ UINT16 t,r;
EXTBYTE(t);
r = B - t;
CLR_NZVC;
@@ -2735,7 +2735,7 @@ OP_HANDLER( cmpb_ex )
/* $f2 SBCB extended ?**** */
OP_HANDLER( sbcb_ex )
{
- UINT16 t,r;
+ UINT16 t,r;
EXTBYTE(t);
r = B - t - (CC & CC_C);
CLR_NZVC;
@@ -2896,57 +2896,57 @@ OP_HANDLER( pref10 )
PC++;
switch( ireg2 )
{
- case 0x21: lbrn(); m_icount-=5; break;
- case 0x22: lbhi(); m_icount-=5; break;
- case 0x23: lbls(); m_icount-=5; break;
- case 0x24: lbcc(); m_icount-=5; break;
- case 0x25: lbcs(); m_icount-=5; break;
- case 0x26: lbne(); m_icount-=5; break;
- case 0x27: lbeq(); m_icount-=5; break;
- case 0x28: lbvc(); m_icount-=5; break;
- case 0x29: lbvs(); m_icount-=5; break;
- case 0x2a: lbpl(); m_icount-=5; break;
- case 0x2b: lbmi(); m_icount-=5; break;
- case 0x2c: lbge(); m_icount-=5; break;
- case 0x2d: lblt(); m_icount-=5; break;
- case 0x2e: lbgt(); m_icount-=5; break;
- case 0x2f: lble(); m_icount-=5; break;
-
- case 0x3f: swi2(); m_icount-=20; break;
-
- case 0x83: cmpd_im(); m_icount-=5; break;
- case 0x8c: cmpy_im(); m_icount-=5; break;
- case 0x8e: ldy_im(); m_icount-=4; break;
- case 0x8f: sty_im(); m_icount-=4; break;
-
- case 0x93: cmpd_di(); m_icount-=7; break;
- case 0x9c: cmpy_di(); m_icount-=7; break;
- case 0x9e: ldy_di(); m_icount-=6; break;
- case 0x9f: sty_di(); m_icount-=6; break;
-
- case 0xa3: cmpd_ix(); m_icount-=7; break;
- case 0xac: cmpy_ix(); m_icount-=7; break;
- case 0xae: ldy_ix(); m_icount-=6; break;
- case 0xaf: sty_ix(); m_icount-=6; break;
-
- case 0xb3: cmpd_ex(); m_icount-=8; break;
- case 0xbc: cmpy_ex(); m_icount-=8; break;
- case 0xbe: ldy_ex(); m_icount-=7; break;
- case 0xbf: sty_ex(); m_icount-=7; break;
-
- case 0xce: lds_im(); m_icount-=4; break;
- case 0xcf: sts_im(); m_icount-=4; break;
-
- case 0xde: lds_di(); m_icount-=6; break;
- case 0xdf: sts_di(); m_icount-=6; break;
-
- case 0xee: lds_ix(); m_icount-=6; break;
- case 0xef: sts_ix(); m_icount-=6; break;
-
- case 0xfe: lds_ex(); m_icount-=7; break;
- case 0xff: sts_ex(); m_icount-=7; break;
-
- default: IIError(); break;
+ case 0x21: lbrn(); m_icount-=5; break;
+ case 0x22: lbhi(); m_icount-=5; break;
+ case 0x23: lbls(); m_icount-=5; break;
+ case 0x24: lbcc(); m_icount-=5; break;
+ case 0x25: lbcs(); m_icount-=5; break;
+ case 0x26: lbne(); m_icount-=5; break;
+ case 0x27: lbeq(); m_icount-=5; break;
+ case 0x28: lbvc(); m_icount-=5; break;
+ case 0x29: lbvs(); m_icount-=5; break;
+ case 0x2a: lbpl(); m_icount-=5; break;
+ case 0x2b: lbmi(); m_icount-=5; break;
+ case 0x2c: lbge(); m_icount-=5; break;
+ case 0x2d: lblt(); m_icount-=5; break;
+ case 0x2e: lbgt(); m_icount-=5; break;
+ case 0x2f: lble(); m_icount-=5; break;
+
+ case 0x3f: swi2(); m_icount-=20; break;
+
+ case 0x83: cmpd_im(); m_icount-=5; break;
+ case 0x8c: cmpy_im(); m_icount-=5; break;
+ case 0x8e: ldy_im(); m_icount-=4; break;
+ case 0x8f: sty_im(); m_icount-=4; break;
+
+ case 0x93: cmpd_di(); m_icount-=7; break;
+ case 0x9c: cmpy_di(); m_icount-=7; break;
+ case 0x9e: ldy_di(); m_icount-=6; break;
+ case 0x9f: sty_di(); m_icount-=6; break;
+
+ case 0xa3: cmpd_ix(); m_icount-=7; break;
+ case 0xac: cmpy_ix(); m_icount-=7; break;
+ case 0xae: ldy_ix(); m_icount-=6; break;
+ case 0xaf: sty_ix(); m_icount-=6; break;
+
+ case 0xb3: cmpd_ex(); m_icount-=8; break;
+ case 0xbc: cmpy_ex(); m_icount-=8; break;
+ case 0xbe: ldy_ex(); m_icount-=7; break;
+ case 0xbf: sty_ex(); m_icount-=7; break;
+
+ case 0xce: lds_im(); m_icount-=4; break;
+ case 0xcf: sts_im(); m_icount-=4; break;
+
+ case 0xde: lds_di(); m_icount-=6; break;
+ case 0xdf: sts_di(); m_icount-=6; break;
+
+ case 0xee: lds_ix(); m_icount-=6; break;
+ case 0xef: sts_ix(); m_icount-=6; break;
+
+ case 0xfe: lds_ex(); m_icount-=7; break;
+ case 0xff: sts_ex(); m_icount-=7; break;
+
+ default: IIError(); break;
}
}
@@ -2957,21 +2957,20 @@ OP_HANDLER( pref11 )
PC++;
switch( ireg2 )
{
- case 0x3f: swi3(); m_icount-=20; break;
+ case 0x3f: swi3(); m_icount-=20; break;
- case 0x83: cmpu_im(); m_icount-=5; break;
- case 0x8c: cmps_im(); m_icount-=5; break;
+ case 0x83: cmpu_im(); m_icount-=5; break;
+ case 0x8c: cmps_im(); m_icount-=5; break;
- case 0x93: cmpu_di(); m_icount-=7; break;
- case 0x9c: cmps_di(); m_icount-=7; break;
+ case 0x93: cmpu_di(); m_icount-=7; break;
+ case 0x9c: cmps_di(); m_icount-=7; break;
- case 0xa3: cmpu_ix(); m_icount-=7; break;
- case 0xac: cmps_ix(); m_icount-=7; break;
+ case 0xa3: cmpu_ix(); m_icount-=7; break;
+ case 0xac: cmps_ix(); m_icount-=7; break;
- case 0xb3: cmpu_ex(); m_icount-=8; break;
- case 0xbc: cmps_ex(); m_icount-=8; break;
+ case 0xb3: cmpu_ex(); m_icount-=8; break;
+ case 0xbc: cmps_ex(); m_icount-=8; break;
- default: IIError(); break;
+ default: IIError(); break;
}
}
-