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Diffstat (limited to 'src/emu/cpu/m6809/6809ops.c')
-rw-r--r--src/emu/cpu/m6809/6809ops.c2997
1 files changed, 2997 insertions, 0 deletions
diff --git a/src/emu/cpu/m6809/6809ops.c b/src/emu/cpu/m6809/6809ops.c
new file mode 100644
index 00000000000..7b9acc8da8e
--- /dev/null
+++ b/src/emu/cpu/m6809/6809ops.c
@@ -0,0 +1,2997 @@
+/*
+
+HNZVC
+
+? = undefined
+* = affected
+- = unaffected
+0 = cleared
+1 = set
+# = CCr directly affected by instruction
+@ = special - carry set if bit 7 is set
+
+*/
+
+#ifdef NEW
+static void illegal( void )
+#else
+INLINE void illegal( void )
+#endif
+{
+ logerror("M6809: illegal opcode at %04x\n",PC);
+}
+
+/* $00 NEG direct ?**** */
+INLINE void neg_di( void )
+{
+ UINT16 r,t;
+ DIRBYTE(t);
+ r = -t;
+ CLR_NZVC;
+ SET_FLAGS8(0,t,r);
+ WM(EAD,r);
+}
+
+/* $01 ILLEGAL */
+
+/* $02 ILLEGAL */
+
+/* $03 COM direct -**01 */
+INLINE void com_di( void )
+{
+ UINT8 t;
+ DIRBYTE(t);
+ t = ~t;
+ CLR_NZV;
+ SET_NZ8(t);
+ SEC;
+ WM(EAD,t);
+}
+
+/* $04 LSR direct -0*-* */
+INLINE void lsr_di( void )
+{
+ UINT8 t;
+ DIRBYTE(t);
+ CLR_NZC;
+ CC |= (t & CC_C);
+ t >>= 1;
+ SET_Z8(t);
+ WM(EAD,t);
+}
+
+/* $05 ILLEGAL */
+
+/* $06 ROR direct -**-* */
+INLINE void ror_di( void )
+{
+ UINT8 t,r;
+ DIRBYTE(t);
+ r= (CC & CC_C) << 7;
+ CLR_NZC;
+ CC |= (t & CC_C);
+ r |= t>>1;
+ SET_NZ8(r);
+ WM(EAD,r);
+}
+
+/* $07 ASR direct ?**-* */
+INLINE void asr_di( void )
+{
+ UINT8 t;
+ DIRBYTE(t);
+ CLR_NZC;
+ CC |= (t & CC_C);
+ t = (t & 0x80) | (t >> 1);
+ SET_NZ8(t);
+ WM(EAD,t);
+}
+
+/* $08 ASL direct ?**** */
+INLINE void asl_di( void )
+{
+ UINT16 t,r;
+ DIRBYTE(t);
+ r = t << 1;
+ CLR_NZVC;
+ SET_FLAGS8(t,t,r);
+ WM(EAD,r);
+}
+
+/* $09 ROL direct -**** */
+INLINE void rol_di( void )
+{
+ UINT16 t,r;
+ DIRBYTE(t);
+ r = (CC & CC_C) | (t << 1);
+ CLR_NZVC;
+ SET_FLAGS8(t,t,r);
+ WM(EAD,r);
+}
+
+/* $0A DEC direct -***- */
+INLINE void dec_di( void )
+{
+ UINT8 t;
+ DIRBYTE(t);
+ --t;
+ CLR_NZV;
+ SET_FLAGS8D(t);
+ WM(EAD,t);
+}
+
+/* $0B ILLEGAL */
+
+/* $OC INC direct -***- */
+INLINE void inc_di( void )
+{
+ UINT8 t;
+ DIRBYTE(t);
+ ++t;
+ CLR_NZV;
+ SET_FLAGS8I(t);
+ WM(EAD,t);
+}
+
+/* $OD TST direct -**0- */
+INLINE void tst_di( void )
+{
+ UINT8 t;
+ DIRBYTE(t);
+ CLR_NZV;
+ SET_NZ8(t);
+}
+
+/* $0E JMP direct ----- */
+INLINE void jmp_di( void )
+{
+ DIRECT;
+ PCD = EAD;
+ CHANGE_PC;
+}
+
+/* $0F CLR direct -0100 */
+INLINE void clr_di( void )
+{
+ DIRECT;
+ (void)RM(EAD);
+ WM(EAD,0);
+ CLR_NZVC;
+ SEZ;
+}
+
+/* $10 FLAG */
+
+/* $11 FLAG */
+
+/* $12 NOP inherent ----- */
+INLINE void nop( void )
+{
+ ;
+}
+
+/* $13 SYNC inherent ----- */
+INLINE void sync( void )
+{
+ /* 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. */
+ m6809.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. */
+ if( m6809.int_state & M6809_SYNC )
+ if (m6809_ICount > 0) m6809_ICount = 0;
+}
+
+/* $14 ILLEGAL */
+
+/* $15 ILLEGAL */
+
+/* $16 LBRA relative ----- */
+INLINE void lbra( void )
+{
+ IMMWORD(ea);
+ PC += EA;
+ CHANGE_PC;
+
+ if ( EA == 0xfffd ) /* EHC 980508 speed up busy loop */
+ if ( m6809_ICount > 0)
+ m6809_ICount = 0;
+}
+
+/* $17 LBSR relative ----- */
+INLINE void lbsr( void )
+{
+ IMMWORD(ea);
+ PUSHWORD(pPC);
+ PC += EA;
+ CHANGE_PC;
+}
+
+/* $18 ILLEGAL */
+
+/* $19 DAA inherent (A) -**0* */
+INLINE void daa( void )
+{
+ UINT8 msn, lsn;
+ UINT16 t, cf = 0;
+ msn = A & 0xf0; lsn = A & 0x0f;
+ if( lsn>0x09 || CC & CC_H) cf |= 0x06;
+ if( msn>0x80 && lsn>0x09 ) cf |= 0x60;
+ if( msn>0x90 || CC & CC_C) cf |= 0x60;
+ t = cf + A;
+ CLR_NZV; /* keep carry from previous operation */
+ SET_NZ8((UINT8)t); SET_C8(t);
+ A = t;
+}
+
+/* $1A ORCC immediate ##### */
+INLINE void orcc( void )
+{
+ UINT8 t;
+ IMMBYTE(t);
+ CC |= t;
+ CHECK_IRQ_LINES; /* HJB 990116 */
+}
+
+/* $1B ILLEGAL */
+
+/* $1C ANDCC immediate ##### */
+INLINE void andcc( void )
+{
+ UINT8 t;
+ IMMBYTE(t);
+ CC &= t;
+ CHECK_IRQ_LINES; /* HJB 990116 */
+}
+
+/* $1D SEX inherent -**-- */
+INLINE void sex( void )
+{
+ UINT16 t;
+ t = SIGNED(B);
+ D = t;
+// CLR_NZV; Tim Lindner 20020905: verified that V flag is not affected
+ CLR_NZ;
+ SET_NZ16(t);
+}
+
+/* $1E EXG inherent ----- */
+INLINE void exg( void )
+{
+ UINT16 t1,t2;
+ UINT8 tb;
+
+ IMMBYTE(tb);
+ if( (tb^(tb>>4)) & 0x08 ) /* HJB 990225: mixed 8/16 bit case? */
+ {
+ /* transfer $ff to both registers */
+ t1 = t2 = 0xff;
+ }
+ else
+ {
+ switch(tb>>4) {
+ case 0: t1 = D; break;
+ case 1: t1 = X; break;
+ case 2: t1 = Y; break;
+ case 3: t1 = U; break;
+ case 4: t1 = S; break;
+ case 5: t1 = PC; break;
+ case 8: t1 = A; break;
+ case 9: t1 = B; break;
+ case 10: t1 = CC; break;
+ case 11: t1 = DP; break;
+ default: t1 = 0xff;
+ }
+ switch(tb&15) {
+ case 0: t2 = D; break;
+ case 1: t2 = X; break;
+ case 2: t2 = Y; break;
+ case 3: t2 = U; break;
+ case 4: t2 = S; break;
+ case 5: t2 = PC; break;
+ case 8: t2 = A; break;
+ case 9: t2 = B; break;
+ case 10: t2 = CC; break;
+ case 11: t2 = DP; break;
+ default: t2 = 0xff;
+ }
+ }
+ switch(tb>>4) {
+ case 0: D = t2; break;
+ case 1: X = t2; break;
+ case 2: Y = t2; break;
+ case 3: U = t2; break;
+ case 4: S = t2; break;
+ case 5: PC = t2; CHANGE_PC; break;
+ case 8: A = t2; break;
+ case 9: B = t2; break;
+ case 10: CC = t2; break;
+ case 11: DP = t2; break;
+ }
+ switch(tb&15) {
+ case 0: D = t1; break;
+ case 1: X = t1; break;
+ case 2: Y = t1; break;
+ case 3: U = t1; break;
+ case 4: S = t1; break;
+ case 5: PC = t1; CHANGE_PC; break;
+ case 8: A = t1; break;
+ case 9: B = t1; break;
+ case 10: CC = t1; break;
+ case 11: DP = t1; break;
+ }
+}
+
+/* $1F TFR inherent ----- */
+INLINE void tfr( void )
+{
+ UINT8 tb;
+ UINT16 t;
+
+ IMMBYTE(tb);
+ if( (tb^(tb>>4)) & 0x08 ) /* HJB 990225: mixed 8/16 bit case? */
+ {
+ /* transfer $ff to register */
+ t = 0xff;
+ }
+ else
+ {
+ switch(tb>>4) {
+ case 0: t = D; break;
+ case 1: t = X; break;
+ case 2: t = Y; break;
+ case 3: t = U; break;
+ case 4: t = S; break;
+ case 5: t = PC; break;
+ case 8: t = A; break;
+ case 9: t = B; break;
+ case 10: t = CC; break;
+ case 11: t = DP; break;
+ default: t = 0xff;
+ }
+ }
+ switch(tb&15) {
+ case 0: D = t; break;
+ case 1: X = t; break;
+ case 2: Y = t; break;
+ case 3: U = t; break;
+ case 4: S = t; break;
+ case 5: PC = t; CHANGE_PC; break;
+ case 8: A = t; break;
+ case 9: B = t; break;
+ case 10: CC = t; break;
+ case 11: DP = t; break;
+ }
+}
+
+/* $20 BRA relative ----- */
+INLINE void bra( void )
+{
+ UINT8 t;
+ IMMBYTE(t);
+ PC += SIGNED(t);
+ CHANGE_PC;
+ /* JB 970823 - speed up busy loops */
+ if( t == 0xfe )
+ if( m6809_ICount > 0 ) m6809_ICount = 0;
+}
+
+/* $21 BRN relative ----- */
+INLINE void brn( void )
+{
+ UINT8 t;
+ IMMBYTE(t);
+}
+
+/* $1021 LBRN relative ----- */
+INLINE void lbrn( void )
+{
+ IMMWORD(ea);
+}
+
+/* $22 BHI relative ----- */
+INLINE void bhi( void )
+{
+ BRANCH( !(CC & (CC_Z|CC_C)) );
+}
+
+/* $1022 LBHI relative ----- */
+INLINE void lbhi( void )
+{
+ LBRANCH( !(CC & (CC_Z|CC_C)) );
+}
+
+/* $23 BLS relative ----- */
+INLINE void bls( void )
+{
+ BRANCH( (CC & (CC_Z|CC_C)) );
+}
+
+/* $1023 LBLS relative ----- */
+INLINE void lbls( void )
+{
+ LBRANCH( (CC&(CC_Z|CC_C)) );
+}
+
+/* $24 BCC relative ----- */
+INLINE void bcc( void )
+{
+ BRANCH( !(CC&CC_C) );
+}
+
+/* $1024 LBCC relative ----- */
+INLINE void lbcc( void )
+{
+ LBRANCH( !(CC&CC_C) );
+}
+
+/* $25 BCS relative ----- */
+INLINE void bcs( void )
+{
+ BRANCH( (CC&CC_C) );
+}
+
+/* $1025 LBCS relative ----- */
+INLINE void lbcs( void )
+{
+ LBRANCH( (CC&CC_C) );
+}
+
+/* $26 BNE relative ----- */
+INLINE void bne( void )
+{
+ BRANCH( !(CC&CC_Z) );
+}
+
+/* $1026 LBNE relative ----- */
+INLINE void lbne( void )
+{
+ LBRANCH( !(CC&CC_Z) );
+}
+
+/* $27 BEQ relative ----- */
+INLINE void beq( void )
+{
+ BRANCH( (CC&CC_Z) );
+}
+
+/* $1027 LBEQ relative ----- */
+INLINE void lbeq( void )
+{
+ LBRANCH( (CC&CC_Z) );
+}
+
+/* $28 BVC relative ----- */
+INLINE void bvc( void )
+{
+ BRANCH( !(CC&CC_V) );
+}
+
+/* $1028 LBVC relative ----- */
+INLINE void lbvc( void )
+{
+ LBRANCH( !(CC&CC_V) );
+}
+
+/* $29 BVS relative ----- */
+INLINE void bvs( void )
+{
+ BRANCH( (CC&CC_V) );
+}
+
+/* $1029 LBVS relative ----- */
+INLINE void lbvs( void )
+{
+ LBRANCH( (CC&CC_V) );
+}
+
+/* $2A BPL relative ----- */
+INLINE void bpl( void )
+{
+ BRANCH( !(CC&CC_N) );
+}
+
+/* $102A LBPL relative ----- */
+INLINE void lbpl( void )
+{
+ LBRANCH( !(CC&CC_N) );
+}
+
+/* $2B BMI relative ----- */
+INLINE void bmi( void )
+{
+ BRANCH( (CC&CC_N) );
+}
+
+/* $102B LBMI relative ----- */
+INLINE void lbmi( void )
+{
+ LBRANCH( (CC&CC_N) );
+}
+
+/* $2C BGE relative ----- */
+INLINE void bge( void )
+{
+ BRANCH( !NXORV );
+}
+
+/* $102C LBGE relative ----- */
+INLINE void lbge( void )
+{
+ LBRANCH( !NXORV );
+}
+
+/* $2D BLT relative ----- */
+INLINE void blt( void )
+{
+ BRANCH( NXORV );
+}
+
+/* $102D LBLT relative ----- */
+INLINE void lblt( void )
+{
+ LBRANCH( NXORV );
+}
+
+/* $2E BGT relative ----- */
+INLINE void bgt( void )
+{
+ BRANCH( !(NXORV || (CC&CC_Z)) );
+}
+
+/* $102E LBGT relative ----- */
+INLINE void lbgt( void )
+{
+ LBRANCH( !(NXORV || (CC&CC_Z)) );
+}
+
+/* $2F BLE relative ----- */
+INLINE void ble( void )
+{
+ BRANCH( (NXORV || (CC&CC_Z)) );
+}
+
+/* $102F LBLE relative ----- */
+INLINE void lble( void )
+{
+ LBRANCH( (NXORV || (CC&CC_Z)) );
+}
+
+/* $30 LEAX indexed --*-- */
+INLINE void leax( void )
+{
+ fetch_effective_address();
+ X = EA;
+ CLR_Z;
+ SET_Z(X);
+}
+
+/* $31 LEAY indexed --*-- */
+INLINE void leay( void )
+{
+ fetch_effective_address();
+ Y = EA;
+ CLR_Z;
+ SET_Z(Y);
+}
+
+/* $32 LEAS indexed ----- */
+INLINE void leas( void )
+{
+ fetch_effective_address();
+ S = EA;
+ m6809.int_state |= M6809_LDS;
+}
+
+/* $33 LEAU indexed ----- */
+INLINE void leau( void )
+{
+ fetch_effective_address();
+ U = EA;
+}
+
+/* $34 PSHS inherent ----- */
+INLINE void pshs( void )
+{
+ UINT8 t;
+ IMMBYTE(t);
+ if( t&0x80 ) { PUSHWORD(pPC); m6809_ICount -= 2; }
+ if( t&0x40 ) { PUSHWORD(pU); m6809_ICount -= 2; }
+ if( t&0x20 ) { PUSHWORD(pY); m6809_ICount -= 2; }
+ if( t&0x10 ) { PUSHWORD(pX); m6809_ICount -= 2; }
+ if( t&0x08 ) { PUSHBYTE(DP); m6809_ICount -= 1; }
+ if( t&0x04 ) { PUSHBYTE(B); m6809_ICount -= 1; }
+ if( t&0x02 ) { PUSHBYTE(A); m6809_ICount -= 1; }
+ if( t&0x01 ) { PUSHBYTE(CC); m6809_ICount -= 1; }
+}
+
+/* 35 PULS inherent ----- */
+INLINE void puls( void )
+{
+ UINT8 t;
+ IMMBYTE(t);
+ if( t&0x01 ) { PULLBYTE(CC); m6809_ICount -= 1; }
+ if( t&0x02 ) { PULLBYTE(A); m6809_ICount -= 1; }
+ if( t&0x04 ) { PULLBYTE(B); m6809_ICount -= 1; }
+ if( t&0x08 ) { PULLBYTE(DP); m6809_ICount -= 1; }
+ if( t&0x10 ) { PULLWORD(XD); m6809_ICount -= 2; }
+ if( t&0x20 ) { PULLWORD(YD); m6809_ICount -= 2; }
+ if( t&0x40 ) { PULLWORD(UD); m6809_ICount -= 2; }
+ if( t&0x80 ) { PULLWORD(PCD); CHANGE_PC; m6809_ICount -= 2; }
+
+ /* HJB 990225: moved check after all PULLs */
+ if( t&0x01 ) { CHECK_IRQ_LINES; }
+}
+
+/* $36 PSHU inherent ----- */
+INLINE void pshu( void )
+{
+ UINT8 t;
+ IMMBYTE(t);
+ if( t&0x80 ) { PSHUWORD(pPC); m6809_ICount -= 2; }
+ if( t&0x40 ) { PSHUWORD(pS); m6809_ICount -= 2; }
+ if( t&0x20 ) { PSHUWORD(pY); m6809_ICount -= 2; }
+ if( t&0x10 ) { PSHUWORD(pX); m6809_ICount -= 2; }
+ if( t&0x08 ) { PSHUBYTE(DP); m6809_ICount -= 1; }
+ if( t&0x04 ) { PSHUBYTE(B); m6809_ICount -= 1; }
+ if( t&0x02 ) { PSHUBYTE(A); m6809_ICount -= 1; }
+ if( t&0x01 ) { PSHUBYTE(CC); m6809_ICount -= 1; }
+}
+
+/* 37 PULU inherent ----- */
+INLINE void pulu( void )
+{
+ UINT8 t;
+ IMMBYTE(t);
+ if( t&0x01 ) { PULUBYTE(CC); m6809_ICount -= 1; }
+ if( t&0x02 ) { PULUBYTE(A); m6809_ICount -= 1; }
+ if( t&0x04 ) { PULUBYTE(B); m6809_ICount -= 1; }
+ if( t&0x08 ) { PULUBYTE(DP); m6809_ICount -= 1; }
+ if( t&0x10 ) { PULUWORD(XD); m6809_ICount -= 2; }
+ if( t&0x20 ) { PULUWORD(YD); m6809_ICount -= 2; }
+ if( t&0x40 ) { PULUWORD(SD); m6809_ICount -= 2; }
+ if( t&0x80 ) { PULUWORD(PCD); CHANGE_PC; m6809_ICount -= 2; }
+
+ /* HJB 990225: moved check after all PULLs */
+ if( t&0x01 ) { CHECK_IRQ_LINES; }
+}
+
+/* $38 ILLEGAL */
+
+/* $39 RTS inherent ----- */
+INLINE void rts( void )
+{
+ PULLWORD(PCD);
+ CHANGE_PC;
+}
+
+/* $3A ABX inherent ----- */
+INLINE void abx( void )
+{
+ X += B;
+}
+
+/* $3B RTI inherent ##### */
+INLINE void rti( void )
+{
+ UINT8 t;
+ PULLBYTE(CC);
+ t = CC & CC_E; /* HJB 990225: entire state saved? */
+ if(t)
+ {
+ m6809_ICount -= 9;
+ PULLBYTE(A);
+ PULLBYTE(B);
+ PULLBYTE(DP);
+ PULLWORD(XD);
+ PULLWORD(YD);
+ PULLWORD(UD);
+ }
+ PULLWORD(PCD);
+ CHANGE_PC;
+ CHECK_IRQ_LINES; /* HJB 990116 */
+}
+
+/* $3C CWAI inherent ----1 */
+INLINE void cwai( void )
+{
+ UINT8 t;
+ 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 */
+ PUSHWORD(pPC);
+ PUSHWORD(pU);
+ PUSHWORD(pY);
+ PUSHWORD(pX);
+ PUSHBYTE(DP);
+ PUSHBYTE(B);
+ PUSHBYTE(A);
+ PUSHBYTE(CC);
+ m6809.int_state |= M6809_CWAI; /* HJB 990228 */
+ CHECK_IRQ_LINES; /* HJB 990116 */
+ if( m6809.int_state & M6809_CWAI )
+ if( m6809_ICount > 0 )
+ m6809_ICount = 0;
+}
+
+/* $3D MUL inherent --*-@ */
+INLINE void mul( void )
+{
+ UINT16 t;
+ t = A * B;
+ CLR_ZC; SET_Z16(t); if(t&0x80) SEC;
+ D = t;
+}
+
+/* $3E ILLEGAL */
+
+/* $3F SWI (SWI2 SWI3) absolute indirect ----- */
+INLINE void swi( void )
+{
+ CC |= CC_E; /* HJB 980225: save entire state */
+ PUSHWORD(pPC);
+ PUSHWORD(pU);
+ PUSHWORD(pY);
+ PUSHWORD(pX);
+ PUSHBYTE(DP);
+ PUSHBYTE(B);
+ PUSHBYTE(A);
+ PUSHBYTE(CC);
+ CC |= CC_IF | CC_II; /* inhibit FIRQ and IRQ */
+ PCD=RM16(0xfffa);
+ CHANGE_PC;
+}
+
+/* $103F SWI2 absolute indirect ----- */
+INLINE void swi2( void )
+{
+ CC |= CC_E; /* HJB 980225: save entire state */
+ PUSHWORD(pPC);
+ PUSHWORD(pU);
+ PUSHWORD(pY);
+ PUSHWORD(pX);
+ PUSHBYTE(DP);
+ PUSHBYTE(B);
+ PUSHBYTE(A);
+ PUSHBYTE(CC);
+ PCD = RM16(0xfff4);
+ CHANGE_PC;
+}
+
+/* $113F SWI3 absolute indirect ----- */
+INLINE void swi3( void )
+{
+ CC |= CC_E; /* HJB 980225: save entire state */
+ PUSHWORD(pPC);
+ PUSHWORD(pU);
+ PUSHWORD(pY);
+ PUSHWORD(pX);
+ PUSHBYTE(DP);
+ PUSHBYTE(B);
+ PUSHBYTE(A);
+ PUSHBYTE(CC);
+ PCD = RM16(0xfff2);
+ CHANGE_PC;
+}
+
+/* $40 NEGA inherent ?**** */
+INLINE void nega( void )
+{
+ UINT16 r;
+ r = -A;
+ CLR_NZVC;
+ SET_FLAGS8(0,A,r);
+ A = r;
+}
+
+/* $41 ILLEGAL */
+
+/* $42 ILLEGAL */
+
+/* $43 COMA inherent -**01 */
+INLINE void coma( void )
+{
+ A = ~A;
+ CLR_NZV;
+ SET_NZ8(A);
+ SEC;
+}
+
+/* $44 LSRA inherent -0*-* */
+INLINE void lsra( void )
+{
+ CLR_NZC;
+ CC |= (A & CC_C);
+ A >>= 1;
+ SET_Z8(A);
+}
+
+/* $45 ILLEGAL */
+
+/* $46 RORA inherent -**-* */
+INLINE void rora( void )
+{
+ UINT8 r;
+ r = (CC & CC_C) << 7;
+ CLR_NZC;
+ CC |= (A & CC_C);
+ r |= A >> 1;
+ SET_NZ8(r);
+ A = r;
+}
+
+/* $47 ASRA inherent ?**-* */
+INLINE void asra( void )
+{
+ CLR_NZC;
+ CC |= (A & CC_C);
+ A = (A & 0x80) | (A >> 1);
+ SET_NZ8(A);
+}
+
+/* $48 ASLA inherent ?**** */
+INLINE void asla( void )
+{
+ UINT16 r;
+ r = A << 1;
+ CLR_NZVC;
+ SET_FLAGS8(A,A,r);
+ A = r;
+}
+
+/* $49 ROLA inherent -**** */
+INLINE void rola( void )
+{
+ UINT16 t,r;
+ t = A;
+ r = (CC & CC_C) | (t<<1);
+ CLR_NZVC; SET_FLAGS8(t,t,r);
+ A = r;
+}
+
+/* $4A DECA inherent -***- */
+INLINE void deca( void )
+{
+ --A;
+ CLR_NZV;
+ SET_FLAGS8D(A);
+}
+
+/* $4B ILLEGAL */
+
+/* $4C INCA inherent -***- */
+INLINE void inca( void )
+{
+ ++A;
+ CLR_NZV;
+ SET_FLAGS8I(A);
+}
+
+/* $4D TSTA inherent -**0- */
+INLINE void tsta( void )
+{
+ CLR_NZV;
+ SET_NZ8(A);
+}
+
+/* $4E ILLEGAL */
+
+/* $4F CLRA inherent -0100 */
+INLINE void clra( void )
+{
+ A = 0;
+ CLR_NZVC; SEZ;
+}
+
+/* $50 NEGB inherent ?**** */
+INLINE void negb( void )
+{
+ UINT16 r;
+ r = -B;
+ CLR_NZVC;
+ SET_FLAGS8(0,B,r);
+ B = r;
+}
+
+/* $51 ILLEGAL */
+
+/* $52 ILLEGAL */
+
+/* $53 COMB inherent -**01 */
+INLINE void comb( void )
+{
+ B = ~B;
+ CLR_NZV;
+ SET_NZ8(B);
+ SEC;
+}
+
+/* $54 LSRB inherent -0*-* */
+INLINE void lsrb( void )
+{
+ CLR_NZC;
+ CC |= (B & CC_C);
+ B >>= 1;
+ SET_Z8(B);
+}
+
+/* $55 ILLEGAL */
+
+/* $56 RORB inherent -**-* */
+INLINE void rorb( void )
+{
+ UINT8 r;
+ r = (CC & CC_C) << 7;
+ CLR_NZC;
+ CC |= (B & CC_C);
+ r |= B >> 1;
+ SET_NZ8(r);
+ B = r;
+}
+
+/* $57 ASRB inherent ?**-* */
+INLINE void asrb( void )
+{
+ CLR_NZC;
+ CC |= (B & CC_C);
+ B= (B & 0x80) | (B >> 1);
+ SET_NZ8(B);
+}
+
+/* $58 ASLB inherent ?**** */
+INLINE void aslb( void )
+{
+ UINT16 r;
+ r = B << 1;
+ CLR_NZVC;
+ SET_FLAGS8(B,B,r);
+ B = r;
+}
+
+/* $59 ROLB inherent -**** */
+INLINE void rolb( void )
+{
+ UINT16 t,r;
+ t = B;
+ r = CC & CC_C;
+ r |= t << 1;
+ CLR_NZVC;
+ SET_FLAGS8(t,t,r);
+ B = r;
+}
+
+/* $5A DECB inherent -***- */
+INLINE void decb( void )
+{
+ --B;
+ CLR_NZV;
+ SET_FLAGS8D(B);
+}
+
+/* $5B ILLEGAL */
+
+/* $5C INCB inherent -***- */
+INLINE void incb( void )
+{
+ ++B;
+ CLR_NZV;
+ SET_FLAGS8I(B);
+}
+
+/* $5D TSTB inherent -**0- */
+INLINE void tstb( void )
+{
+ CLR_NZV;
+ SET_NZ8(B);
+}
+
+/* $5E ILLEGAL */
+
+/* $5F CLRB inherent -0100 */
+INLINE void clrb( void )
+{
+ B = 0;
+ CLR_NZVC; SEZ;
+}
+
+/* $60 NEG indexed ?**** */
+INLINE void neg_ix( void )
+{
+ UINT16 r,t;
+ fetch_effective_address();
+ t = RM(EAD);
+ r=-t;
+ CLR_NZVC;
+ SET_FLAGS8(0,t,r);
+ WM(EAD,r);
+}
+
+/* $61 ILLEGAL */
+
+/* $62 ILLEGAL */
+
+/* $63 COM indexed -**01 */
+INLINE void com_ix( void )
+{
+ UINT8 t;
+ fetch_effective_address();
+ t = ~RM(EAD);
+ CLR_NZV;
+ SET_NZ8(t);
+ SEC;
+ WM(EAD,t);
+}
+
+/* $64 LSR indexed -0*-* */
+INLINE void lsr_ix( void )
+{
+ UINT8 t;
+ fetch_effective_address();
+ t=RM(EAD);
+ CLR_NZC;
+ CC |= (t & CC_C);
+ t>>=1; SET_Z8(t);
+ WM(EAD,t);
+}
+
+/* $65 ILLEGAL */
+
+/* $66 ROR indexed -**-* */
+INLINE void ror_ix( void )
+{
+ UINT8 t,r;
+ fetch_effective_address();
+ t=RM(EAD);
+ r = (CC & CC_C) << 7;
+ CLR_NZC;
+ CC |= (t & CC_C);
+ r |= t>>1; SET_NZ8(r);
+ WM(EAD,r);
+}
+
+/* $67 ASR indexed ?**-* */
+INLINE void asr_ix( void )
+{
+ UINT8 t;
+ fetch_effective_address();
+ t=RM(EAD);
+ CLR_NZC;
+ CC |= (t & CC_C);
+ t=(t&0x80)|(t>>1);
+ SET_NZ8(t);
+ WM(EAD,t);
+}
+
+/* $68 ASL indexed ?**** */
+INLINE void asl_ix( void )
+{
+ UINT16 t,r;
+ fetch_effective_address();
+ t=RM(EAD);
+ r = t << 1;
+ CLR_NZVC;
+ SET_FLAGS8(t,t,r);
+ WM(EAD,r);
+}
+
+/* $69 ROL indexed -**** */
+INLINE void rol_ix( void )
+{
+ UINT16 t,r;
+ fetch_effective_address();
+ t=RM(EAD);
+ r = CC & CC_C;
+ r |= t << 1;
+ CLR_NZVC;
+ SET_FLAGS8(t,t,r);
+ WM(EAD,r);
+}
+
+/* $6A DEC indexed -***- */
+INLINE void dec_ix( void )
+{
+ UINT8 t;
+ fetch_effective_address();
+ t = RM(EAD) - 1;
+ CLR_NZV; SET_FLAGS8D(t);
+ WM(EAD,t);
+}
+
+/* $6B ILLEGAL */
+
+/* $6C INC indexed -***- */
+INLINE void inc_ix( void )
+{
+ UINT8 t;
+ fetch_effective_address();
+ t = RM(EAD) + 1;
+ CLR_NZV; SET_FLAGS8I(t);
+ WM(EAD,t);
+}
+
+/* $6D TST indexed -**0- */
+INLINE void tst_ix( void )
+{
+ UINT8 t;
+ fetch_effective_address();
+ t = RM(EAD);
+ CLR_NZV;
+ SET_NZ8(t);
+}
+
+/* $6E JMP indexed ----- */
+INLINE void jmp_ix( void )
+{
+ fetch_effective_address();
+ PCD = EAD;
+ CHANGE_PC;
+}
+
+/* $6F CLR indexed -0100 */
+INLINE void clr_ix( void )
+{
+ fetch_effective_address();
+ (void)RM(EAD);
+ WM(EAD,0);
+ CLR_NZVC; SEZ;
+}
+
+/* $70 NEG extended ?**** */
+INLINE void neg_ex( void )
+{
+ UINT16 r,t;
+ EXTBYTE(t); r=-t;
+ CLR_NZVC; SET_FLAGS8(0,t,r);
+ WM(EAD,r);
+}
+
+/* $71 ILLEGAL */
+
+/* $72 ILLEGAL */
+
+/* $73 COM extended -**01 */
+INLINE void com_ex( void )
+{
+ UINT8 t;
+ EXTBYTE(t); t = ~t;
+ CLR_NZV; SET_NZ8(t); SEC;
+ WM(EAD,t);
+}
+
+/* $74 LSR extended -0*-* */
+INLINE void lsr_ex( void )
+{
+ UINT8 t;
+ EXTBYTE(t); CLR_NZC; CC |= (t & CC_C);
+ t>>=1; SET_Z8(t);
+ WM(EAD,t);
+}
+
+/* $75 ILLEGAL */
+
+/* $76 ROR extended -**-* */
+INLINE void ror_ex( void )
+{
+ UINT8 t,r;
+ EXTBYTE(t); r=(CC & CC_C) << 7;
+ CLR_NZC; CC |= (t & CC_C);
+ r |= t>>1; SET_NZ8(r);
+ WM(EAD,r);
+}
+
+/* $77 ASR extended ?**-* */
+INLINE void asr_ex( void )
+{
+ UINT8 t;
+ EXTBYTE(t); CLR_NZC; CC |= (t & CC_C);
+ t=(t&0x80)|(t>>1);
+ SET_NZ8(t);
+ WM(EAD,t);
+}
+
+/* $78 ASL extended ?**** */
+INLINE void asl_ex( void )
+{
+ UINT16 t,r;
+ EXTBYTE(t); r=t<<1;
+ CLR_NZVC; SET_FLAGS8(t,t,r);
+ WM(EAD,r);
+}
+
+/* $79 ROL extended -**** */
+INLINE void rol_ex( void )
+{
+ UINT16 t,r;
+ EXTBYTE(t); r = (CC & CC_C) | (t << 1);
+ CLR_NZVC; SET_FLAGS8(t,t,r);
+ WM(EAD,r);
+}
+
+/* $7A DEC extended -***- */
+INLINE void dec_ex( void )
+{
+ UINT8 t;
+ EXTBYTE(t); --t;
+ CLR_NZV; SET_FLAGS8D(t);
+ WM(EAD,t);
+}
+
+/* $7B ILLEGAL */
+
+/* $7C INC extended -***- */
+INLINE void inc_ex( void )
+{
+ UINT8 t;
+ EXTBYTE(t); ++t;
+ CLR_NZV; SET_FLAGS8I(t);
+ WM(EAD,t);
+}
+
+/* $7D TST extended -**0- */
+INLINE void tst_ex( void )
+{
+ UINT8 t;
+ EXTBYTE(t); CLR_NZV; SET_NZ8(t);
+}
+
+/* $7E JMP extended ----- */
+INLINE void jmp_ex( void )
+{
+ EXTENDED;
+ PCD = EAD;
+ CHANGE_PC;
+}
+
+/* $7F CLR extended -0100 */
+INLINE void clr_ex( void )
+{
+ EXTENDED;
+ (void)RM(EAD);
+ WM(EAD,0);
+ CLR_NZVC; SEZ;
+}
+
+/* $80 SUBA immediate ?**** */
+INLINE void suba_im( void )
+{
+ UINT16 t,r;
+ IMMBYTE(t);
+ r = A - t;
+ CLR_NZVC;
+ SET_FLAGS8(A,t,r);
+ A = r;
+}
+
+/* $81 CMPA immediate ?**** */
+INLINE void cmpa_im( void )
+{
+ UINT16 t,r;
+ IMMBYTE(t);
+ r = A - t;
+ CLR_NZVC;
+ SET_FLAGS8(A,t,r);
+}
+
+/* $82 SBCA immediate ?**** */
+INLINE void sbca_im( void )
+{
+ UINT16 t,r;
+ IMMBYTE(t);
+ r = A - t - (CC & CC_C);
+ CLR_NZVC;
+ SET_FLAGS8(A,t,r);
+ A = r;
+}
+
+/* $83 SUBD (CMPD CMPU) immediate -**** */
+INLINE void subd_im( void )
+{
+ UINT32 r,d;
+ PAIR b;
+ IMMWORD(b);
+ d = D;
+ r = d - b.d;
+ CLR_NZVC;
+ SET_FLAGS16(d,b.d,r);
+ D = r;
+}
+
+/* $1083 CMPD immediate -**** */
+INLINE void cmpd_im( void )
+{
+ UINT32 r,d;
+ PAIR b;
+ IMMWORD(b);
+ d = D;
+ r = d - b.d;
+ CLR_NZVC;
+ SET_FLAGS16(d,b.d,r);
+}
+
+/* $1183 CMPU immediate -**** */
+INLINE void cmpu_im( void )
+{
+ UINT32 r, d;
+ PAIR b;
+ IMMWORD(b);
+ d = U;
+ r = d - b.d;
+ CLR_NZVC;
+ SET_FLAGS16(d,b.d,r);
+}
+
+/* $84 ANDA immediate -**0- */
+INLINE void anda_im( void )
+{
+ UINT8 t;
+ IMMBYTE(t);
+ A &= t;
+ CLR_NZV;
+ SET_NZ8(A);
+}
+
+/* $85 BITA immediate -**0- */
+INLINE void bita_im( void )
+{
+ UINT8 t,r;
+ IMMBYTE(t);
+ r = A & t;
+ CLR_NZV;
+ SET_NZ8(r);
+}
+
+/* $86 LDA immediate -**0- */
+INLINE void lda_im( void )
+{
+ IMMBYTE(A);
+ CLR_NZV;
+ SET_NZ8(A);
+}
+
+/* is this a legal instruction? */
+/* $87 STA immediate -**0- */
+INLINE void sta_im( void )
+{
+ CLR_NZV;
+ SET_NZ8(A);
+ IMM8;
+ WM(EAD,A);
+}
+
+/* $88 EORA immediate -**0- */
+INLINE void eora_im( void )
+{
+ UINT8 t;
+ IMMBYTE(t);
+ A ^= t;
+ CLR_NZV;
+ SET_NZ8(A);
+}
+
+/* $89 ADCA immediate ***** */
+INLINE void adca_im( void )
+{
+ UINT16 t,r;
+ IMMBYTE(t);
+ r = A + t + (CC & CC_C);
+ CLR_HNZVC;
+ SET_FLAGS8(A,t,r);
+ SET_H(A,t,r);
+ A = r;
+}
+
+/* $8A ORA immediate -**0- */
+INLINE void ora_im( void )
+{
+ UINT8 t;
+ IMMBYTE(t);
+ A |= t;
+ CLR_NZV;
+ SET_NZ8(A);
+}
+
+/* $8B ADDA immediate ***** */
+INLINE void adda_im( void )
+{
+ UINT16 t,r;
+ IMMBYTE(t);
+ r = A + t;
+ CLR_HNZVC;
+ SET_FLAGS8(A,t,r);
+ SET_H(A,t,r);
+ A = r;
+}
+
+/* $8C CMPX (CMPY CMPS) immediate -**** */
+INLINE void cmpx_im( void )
+{
+ UINT32 r,d;
+ PAIR b;
+ IMMWORD(b);
+ d = X;
+ r = d - b.d;
+ CLR_NZVC;
+ SET_FLAGS16(d,b.d,r);
+}
+
+/* $108C CMPY immediate -**** */
+INLINE void cmpy_im( void )
+{
+ UINT32 r,d;
+ PAIR b;
+ IMMWORD(b);
+ d = Y;
+ r = d - b.d;
+ CLR_NZVC;
+ SET_FLAGS16(d,b.d,r);
+}
+
+/* $118C CMPS immediate -**** */
+INLINE void cmps_im( void )
+{
+ UINT32 r,d;
+ PAIR b;
+ IMMWORD(b);
+ d = S;
+ r = d - b.d;
+ CLR_NZVC;
+ SET_FLAGS16(d,b.d,r);
+}
+
+/* $8D BSR ----- */
+INLINE void bsr( void )
+{
+ UINT8 t;
+ IMMBYTE(t);
+ PUSHWORD(pPC);
+ PC += SIGNED(t);
+ CHANGE_PC;
+}
+
+/* $8E LDX (LDY) immediate -**0- */
+INLINE void ldx_im( void )
+{
+ IMMWORD(pX);
+ CLR_NZV;
+ SET_NZ16(X);
+}
+
+/* $108E LDY immediate -**0- */
+INLINE void ldy_im( void )
+{
+ IMMWORD(pY);
+ CLR_NZV;
+ SET_NZ16(Y);
+}
+
+/* is this a legal instruction? */
+/* $8F STX (STY) immediate -**0- */
+INLINE void stx_im( void )
+{
+ CLR_NZV;
+ SET_NZ16(X);
+ IMM16;
+ WM16(EAD,&pX);
+}
+
+/* is this a legal instruction? */
+/* $108F STY immediate -**0- */
+INLINE void sty_im( void )
+{
+ CLR_NZV;
+ SET_NZ16(Y);
+ IMM16;
+ WM16(EAD,&pY);
+}
+
+/* $90 SUBA direct ?**** */
+INLINE void suba_di( void )
+{
+ UINT16 t,r;
+ DIRBYTE(t);
+ r = A - t;
+ CLR_NZVC;
+ SET_FLAGS8(A,t,r);
+ A = r;
+}
+
+/* $91 CMPA direct ?**** */
+INLINE void cmpa_di( void )
+{
+ UINT16 t,r;
+ DIRBYTE(t);
+ r = A - t;
+ CLR_NZVC;
+ SET_FLAGS8(A,t,r);
+}
+
+/* $92 SBCA direct ?**** */
+INLINE void sbca_di( void )
+{
+ UINT16 t,r;
+ DIRBYTE(t);
+ r = A - t - (CC & CC_C);
+ CLR_NZVC;
+ SET_FLAGS8(A,t,r);
+ A = r;
+}
+
+/* $93 SUBD (CMPD CMPU) direct -**** */
+INLINE void subd_di( void )
+{
+ UINT32 r,d;
+ PAIR b;
+ DIRWORD(b);
+ d = D;
+ r = d - b.d;
+ CLR_NZVC;
+ SET_FLAGS16(d,b.d,r);
+ D = r;
+}
+
+/* $1093 CMPD direct -**** */
+INLINE void cmpd_di( void )
+{
+ UINT32 r,d;
+ PAIR b;
+ DIRWORD(b);
+ d = D;
+ r = d - b.d;
+ CLR_NZVC;
+ SET_FLAGS16(d,b.d,r);
+}
+
+/* $1193 CMPU direct -**** */
+INLINE void cmpu_di( void )
+{
+ UINT32 r,d;
+ PAIR b;
+ DIRWORD(b);
+ d = U;
+ r = d - b.d;
+ CLR_NZVC;
+ SET_FLAGS16(U,b.d,r);
+}
+
+/* $94 ANDA direct -**0- */
+INLINE void anda_di( void )
+{
+ UINT8 t;
+ DIRBYTE(t);
+ A &= t;
+ CLR_NZV;
+ SET_NZ8(A);
+}
+
+/* $95 BITA direct -**0- */
+INLINE void bita_di( void )
+{
+ UINT8 t,r;
+ DIRBYTE(t);
+ r = A & t;
+ CLR_NZV;
+ SET_NZ8(r);
+}
+
+/* $96 LDA direct -**0- */
+INLINE void lda_di( void )
+{
+ DIRBYTE(A);
+ CLR_NZV;
+ SET_NZ8(A);
+}
+
+/* $97 STA direct -**0- */
+INLINE void sta_di( void )
+{
+ CLR_NZV;
+ SET_NZ8(A);
+ DIRECT;
+ WM(EAD,A);
+}
+
+/* $98 EORA direct -**0- */
+INLINE void eora_di( void )
+{
+ UINT8 t;
+ DIRBYTE(t);
+ A ^= t;
+ CLR_NZV;
+ SET_NZ8(A);
+}
+
+/* $99 ADCA direct ***** */
+INLINE void adca_di( void )
+{
+ UINT16 t,r;
+ DIRBYTE(t);
+ r = A + t + (CC & CC_C);
+ CLR_HNZVC;
+ SET_FLAGS8(A,t,r);
+ SET_H(A,t,r);
+ A = r;
+}
+
+/* $9A ORA direct -**0- */
+INLINE void ora_di( void )
+{
+ UINT8 t;
+ DIRBYTE(t);
+ A |= t;
+ CLR_NZV;
+ SET_NZ8(A);
+}
+
+/* $9B ADDA direct ***** */
+INLINE void adda_di( void )
+{
+ UINT16 t,r;
+ DIRBYTE(t);
+ r = A + t;
+ CLR_HNZVC;
+ SET_FLAGS8(A,t,r);
+ SET_H(A,t,r);
+ A = r;
+}
+
+/* $9C CMPX (CMPY CMPS) direct -**** */
+INLINE void cmpx_di( void )
+{
+ UINT32 r,d;
+ PAIR b;
+ DIRWORD(b);
+ d = X;
+ r = d - b.d;
+ CLR_NZVC;
+ SET_FLAGS16(d,b.d,r);
+}
+
+/* $109C CMPY direct -**** */
+INLINE void cmpy_di( void )
+{
+ UINT32 r,d;
+ PAIR b;
+ DIRWORD(b);
+ d = Y;
+ r = d - b.d;
+ CLR_NZVC;
+ SET_FLAGS16(d,b.d,r);
+}
+
+/* $119C CMPS direct -**** */
+INLINE void cmps_di( void )
+{
+ UINT32 r,d;
+ PAIR b;
+ DIRWORD(b);
+ d = S;
+ r = d - b.d;
+ CLR_NZVC;
+ SET_FLAGS16(d,b.d,r);
+}
+
+/* $9D JSR direct ----- */
+INLINE void jsr_di( void )
+{
+ DIRECT;
+ PUSHWORD(pPC);
+ PCD = EAD;
+ CHANGE_PC;
+}
+
+/* $9E LDX (LDY) direct -**0- */
+INLINE void ldx_di( void )
+{
+ DIRWORD(pX);
+ CLR_NZV;
+ SET_NZ16(X);
+}
+
+/* $109E LDY direct -**0- */
+INLINE void ldy_di( void )
+{
+ DIRWORD(pY);
+ CLR_NZV;
+ SET_NZ16(Y);
+}
+
+/* $9F STX (STY) direct -**0- */
+INLINE void stx_di( void )
+{
+ CLR_NZV;
+ SET_NZ16(X);
+ DIRECT;
+ WM16(EAD,&pX);
+}
+
+/* $109F STY direct -**0- */
+INLINE void sty_di( void )
+{
+ CLR_NZV;
+ SET_NZ16(Y);
+ DIRECT;
+ WM16(EAD,&pY);
+}
+
+/* $a0 SUBA indexed ?**** */
+INLINE void suba_ix( void )
+{
+ UINT16 t,r;
+ fetch_effective_address();
+ t = RM(EAD);
+ r = A - t;
+ CLR_NZVC;
+ SET_FLAGS8(A,t,r);
+ A = r;
+}
+
+/* $a1 CMPA indexed ?**** */
+INLINE void cmpa_ix( void )
+{
+ UINT16 t,r;
+ fetch_effective_address();
+ t = RM(EAD);
+ r = A - t;
+ CLR_NZVC;
+ SET_FLAGS8(A,t,r);
+}
+
+/* $a2 SBCA indexed ?**** */
+INLINE void sbca_ix( void )
+{
+ UINT16 t,r;
+ fetch_effective_address();
+ t = RM(EAD);
+ r = A - t - (CC & CC_C);
+ CLR_NZVC;
+ SET_FLAGS8(A,t,r);
+ A = r;
+}
+
+/* $a3 SUBD (CMPD CMPU) indexed -**** */
+INLINE void subd_ix( void )
+{
+ UINT32 r,d;
+ PAIR b;
+ fetch_effective_address();
+ b.d=RM16(EAD);
+ d = D;
+ r = d - b.d;
+ CLR_NZVC;
+ SET_FLAGS16(d,b.d,r);
+ D = r;
+}
+
+/* $10a3 CMPD indexed -**** */
+INLINE void cmpd_ix( void )
+{
+ UINT32 r,d;
+ PAIR b;
+ fetch_effective_address();
+ b.d=RM16(EAD);
+ d = D;
+ r = d - b.d;
+ CLR_NZVC;
+ SET_FLAGS16(d,b.d,r);
+}
+
+/* $11a3 CMPU indexed -**** */
+INLINE void cmpu_ix( void )
+{
+ UINT32 r;
+ PAIR b;
+ fetch_effective_address();
+ b.d=RM16(EAD);
+ r = U - b.d;
+ CLR_NZVC;
+ SET_FLAGS16(U,b.d,r);
+}
+
+/* $a4 ANDA indexed -**0- */
+INLINE void anda_ix( void )
+{
+ fetch_effective_address();
+ A &= RM(EAD);
+ CLR_NZV;
+ SET_NZ8(A);
+}
+
+/* $a5 BITA indexed -**0- */
+INLINE void bita_ix( void )
+{
+ UINT8 r;
+ fetch_effective_address();
+ r = A & RM(EAD);
+ CLR_NZV;
+ SET_NZ8(r);
+}
+
+/* $a6 LDA indexed -**0- */
+INLINE void lda_ix( void )
+{
+ fetch_effective_address();
+ A = RM(EAD);
+ CLR_NZV;
+ SET_NZ8(A);
+}
+
+/* $a7 STA indexed -**0- */
+INLINE void sta_ix( void )
+{
+ fetch_effective_address();
+ CLR_NZV;
+ SET_NZ8(A);
+ WM(EAD,A);
+}
+
+/* $a8 EORA indexed -**0- */
+INLINE void eora_ix( void )
+{
+ fetch_effective_address();
+ A ^= RM(EAD);
+ CLR_NZV;
+ SET_NZ8(A);
+}
+
+/* $a9 ADCA indexed ***** */
+INLINE void adca_ix( void )
+{
+ UINT16 t,r;
+ fetch_effective_address();
+ t = RM(EAD);
+ r = A + t + (CC & CC_C);
+ CLR_HNZVC;
+ SET_FLAGS8(A,t,r);
+ SET_H(A,t,r);
+ A = r;
+}
+
+/* $aA ORA indexed -**0- */
+INLINE void ora_ix( void )
+{
+ fetch_effective_address();
+ A |= RM(EAD);
+ CLR_NZV;
+ SET_NZ8(A);
+}
+
+/* $aB ADDA indexed ***** */
+INLINE void adda_ix( void )
+{
+ UINT16 t,r;
+ fetch_effective_address();
+ t = RM(EAD);
+ r = A + t;
+ CLR_HNZVC;
+ SET_FLAGS8(A,t,r);
+ SET_H(A,t,r);
+ A = r;
+}
+
+/* $aC CMPX (CMPY CMPS) indexed -**** */
+INLINE void cmpx_ix( void )
+{
+ UINT32 r,d;
+ PAIR b;
+ fetch_effective_address();
+ b.d=RM16(EAD);
+ d = X;
+ r = d - b.d;
+ CLR_NZVC;
+ SET_FLAGS16(d,b.d,r);
+}
+
+/* $10aC CMPY indexed -**** */
+INLINE void cmpy_ix( void )
+{
+ UINT32 r,d;
+ PAIR b;
+ fetch_effective_address();
+ b.d=RM16(EAD);
+ d = Y;
+ r = d - b.d;
+ CLR_NZVC;
+ SET_FLAGS16(d,b.d,r);
+}
+
+/* $11aC CMPS indexed -**** */
+INLINE void cmps_ix( void )
+{
+ UINT32 r,d;
+ PAIR b;
+ fetch_effective_address();
+ b.d=RM16(EAD);
+ d = S;
+ r = d - b.d;
+ CLR_NZVC;
+ SET_FLAGS16(d,b.d,r);
+}
+
+/* $aD JSR indexed ----- */
+INLINE void jsr_ix( void )
+{
+ fetch_effective_address();
+ PUSHWORD(pPC);
+ PCD = EAD;
+ CHANGE_PC;
+}
+
+/* $aE LDX (LDY) indexed -**0- */
+INLINE void ldx_ix( void )
+{
+ fetch_effective_address();
+ X=RM16(EAD);
+ CLR_NZV;
+ SET_NZ16(X);
+}
+
+/* $10aE LDY indexed -**0- */
+INLINE void ldy_ix( void )
+{
+ fetch_effective_address();
+ Y=RM16(EAD);
+ CLR_NZV;
+ SET_NZ16(Y);
+}
+
+/* $aF STX (STY) indexed -**0- */
+INLINE void stx_ix( void )
+{
+ fetch_effective_address();
+ CLR_NZV;
+ SET_NZ16(X);
+ WM16(EAD,&pX);
+}
+
+/* $10aF STY indexed -**0- */
+INLINE void sty_ix( void )
+{
+ fetch_effective_address();
+ CLR_NZV;
+ SET_NZ16(Y);
+ WM16(EAD,&pY);
+}
+
+/* $b0 SUBA extended ?**** */
+INLINE void suba_ex( void )
+{
+ UINT16 t,r;
+ EXTBYTE(t);
+ r = A - t;
+ CLR_NZVC;
+ SET_FLAGS8(A,t,r);
+ A = r;
+}
+
+/* $b1 CMPA extended ?**** */
+INLINE void cmpa_ex( void )
+{
+ UINT16 t,r;
+ EXTBYTE(t);
+ r = A - t;
+ CLR_NZVC;
+ SET_FLAGS8(A,t,r);
+}
+
+/* $b2 SBCA extended ?**** */
+INLINE void sbca_ex( void )
+{
+ UINT16 t,r;
+ EXTBYTE(t);
+ r = A - t - (CC & CC_C);
+ CLR_NZVC;
+ SET_FLAGS8(A,t,r);
+ A = r;
+}
+
+/* $b3 SUBD (CMPD CMPU) extended -**** */
+INLINE void subd_ex( void )
+{
+ UINT32 r,d;
+ PAIR b;
+ EXTWORD(b);
+ d = D;
+ r = d - b.d;
+ CLR_NZVC;
+ SET_FLAGS16(d,b.d,r);
+ D = r;
+}
+
+/* $10b3 CMPD extended -**** */
+INLINE void cmpd_ex( void )
+{
+ UINT32 r,d;
+ PAIR b;
+ EXTWORD(b);
+ d = D;
+ r = d - b.d;
+ CLR_NZVC;
+ SET_FLAGS16(d,b.d,r);
+}
+
+/* $11b3 CMPU extended -**** */
+INLINE void cmpu_ex( void )
+{
+ UINT32 r,d;
+ PAIR b;
+ EXTWORD(b);
+ d = U;
+ r = d - b.d;
+ CLR_NZVC;
+ SET_FLAGS16(d,b.d,r);
+}
+
+/* $b4 ANDA extended -**0- */
+INLINE void anda_ex( void )
+{
+ UINT8 t;
+ EXTBYTE(t);
+ A &= t;
+ CLR_NZV;
+ SET_NZ8(A);
+}
+
+/* $b5 BITA extended -**0- */
+INLINE void bita_ex( void )
+{
+ UINT8 t,r;
+ EXTBYTE(t);
+ r = A & t;
+ CLR_NZV; SET_NZ8(r);
+}
+
+/* $b6 LDA extended -**0- */
+INLINE void lda_ex( void )
+{
+ EXTBYTE(A);
+ CLR_NZV;
+ SET_NZ8(A);
+}
+
+/* $b7 STA extended -**0- */
+INLINE void sta_ex( void )
+{
+ CLR_NZV;
+ SET_NZ8(A);
+ EXTENDED;
+ WM(EAD,A);
+}
+
+/* $b8 EORA extended -**0- */
+INLINE void eora_ex( void )
+{
+ UINT8 t;
+ EXTBYTE(t);
+ A ^= t;
+ CLR_NZV;
+ SET_NZ8(A);
+}
+
+/* $b9 ADCA extended ***** */
+INLINE void adca_ex( void )
+{
+ UINT16 t,r;
+ EXTBYTE(t);
+ r = A + t + (CC & CC_C);
+ CLR_HNZVC;
+ SET_FLAGS8(A,t,r);
+ SET_H(A,t,r);
+ A = r;
+}
+
+/* $bA ORA extended -**0- */
+INLINE void ora_ex( void )
+{
+ UINT8 t;
+ EXTBYTE(t);
+ A |= t;
+ CLR_NZV;
+ SET_NZ8(A);
+}
+
+/* $bB ADDA extended ***** */
+INLINE void adda_ex( void )
+{
+ UINT16 t,r;
+ EXTBYTE(t);
+ r = A + t;
+ CLR_HNZVC;
+ SET_FLAGS8(A,t,r);
+ SET_H(A,t,r);
+ A = r;
+}
+
+/* $bC CMPX (CMPY CMPS) extended -**** */
+INLINE void cmpx_ex( void )
+{
+ UINT32 r,d;
+ PAIR b;
+ EXTWORD(b);
+ d = X;
+ r = d - b.d;
+ CLR_NZVC;
+ SET_FLAGS16(d,b.d,r);
+}
+
+/* $10bC CMPY extended -**** */
+INLINE void cmpy_ex( void )
+{
+ UINT32 r,d;
+ PAIR b;
+ EXTWORD(b);
+ d = Y;
+ r = d - b.d;
+ CLR_NZVC;
+ SET_FLAGS16(d,b.d,r);
+}
+
+/* $11bC CMPS extended -**** */
+INLINE void cmps_ex( void )
+{
+ UINT32 r,d;
+ PAIR b;
+ EXTWORD(b);
+ d = S;
+ r = d - b.d;
+ CLR_NZVC;
+ SET_FLAGS16(d,b.d,r);
+}
+
+/* $bD JSR extended ----- */
+INLINE void jsr_ex( void )
+{
+ EXTENDED;
+ PUSHWORD(pPC);
+ PCD = EAD;
+ CHANGE_PC;
+}
+
+/* $bE LDX (LDY) extended -**0- */
+INLINE void ldx_ex( void )
+{
+ EXTWORD(pX);
+ CLR_NZV;
+ SET_NZ16(X);
+}
+
+/* $10bE LDY extended -**0- */
+INLINE void ldy_ex( void )
+{
+ EXTWORD(pY);
+ CLR_NZV;
+ SET_NZ16(Y);
+}
+
+/* $bF STX (STY) extended -**0- */
+INLINE void stx_ex( void )
+{
+ CLR_NZV;
+ SET_NZ16(X);
+ EXTENDED;
+ WM16(EAD,&pX);
+}
+
+/* $10bF STY extended -**0- */
+INLINE void sty_ex( void )
+{
+ CLR_NZV;
+ SET_NZ16(Y);
+ EXTENDED;
+ WM16(EAD,&pY);
+}
+
+/* $c0 SUBB immediate ?**** */
+INLINE void subb_im( void )
+{
+ UINT16 t,r;
+ IMMBYTE(t);
+ r = B - t;
+ CLR_NZVC;
+ SET_FLAGS8(B,t,r);
+ B = r;
+}
+
+/* $c1 CMPB immediate ?**** */
+INLINE void cmpb_im( void )
+{
+ UINT16 t,r;
+ IMMBYTE(t);
+ r = B - t;
+ CLR_NZVC; SET_FLAGS8(B,t,r);
+}
+
+/* $c2 SBCB immediate ?**** */
+INLINE void sbcb_im( void )
+{
+ UINT16 t,r;
+ IMMBYTE(t);
+ r = B - t - (CC & CC_C);
+ CLR_NZVC;
+ SET_FLAGS8(B,t,r);
+ B = r;
+}
+
+/* $c3 ADDD immediate -**** */
+INLINE void addd_im( void )
+{
+ UINT32 r,d;
+ PAIR b;
+ IMMWORD(b);
+ d = D;
+ r = d + b.d;
+ CLR_NZVC;
+ SET_FLAGS16(d,b.d,r);
+ D = r;
+}
+
+/* $c4 ANDB immediate -**0- */
+INLINE void andb_im( void )
+{
+ UINT8 t;
+ IMMBYTE(t);
+ B &= t;
+ CLR_NZV;
+ SET_NZ8(B);
+}
+
+/* $c5 BITB immediate -**0- */
+INLINE void bitb_im( void )
+{
+ UINT8 t,r;
+ IMMBYTE(t);
+ r = B & t;
+ CLR_NZV;
+ SET_NZ8(r);
+}
+
+/* $c6 LDB immediate -**0- */
+INLINE void ldb_im( void )
+{
+ IMMBYTE(B);
+ CLR_NZV;
+ SET_NZ8(B);
+}
+
+/* is this a legal instruction? */
+/* $c7 STB immediate -**0- */
+INLINE void stb_im( void )
+{
+ CLR_NZV;
+ SET_NZ8(B);
+ IMM8;
+ WM(EAD,B);
+}
+
+/* $c8 EORB immediate -**0- */
+INLINE void eorb_im( void )
+{
+ UINT8 t;
+ IMMBYTE(t);
+ B ^= t;
+ CLR_NZV;
+ SET_NZ8(B);
+}
+
+/* $c9 ADCB immediate ***** */
+INLINE void adcb_im( void )
+{
+ UINT16 t,r;
+ IMMBYTE(t);
+ r = B + t + (CC & CC_C);
+ CLR_HNZVC;
+ SET_FLAGS8(B,t,r);
+ SET_H(B,t,r);
+ B = r;
+}
+
+/* $cA ORB immediate -**0- */
+INLINE void orb_im( void )
+{
+ UINT8 t;
+ IMMBYTE(t);
+ B |= t;
+ CLR_NZV;
+ SET_NZ8(B);
+}
+
+/* $cB ADDB immediate ***** */
+INLINE void addb_im( void )
+{
+ UINT16 t,r;
+ IMMBYTE(t);
+ r = B + t;
+ CLR_HNZVC;
+ SET_FLAGS8(B,t,r);
+ SET_H(B,t,r);
+ B = r;
+}
+
+/* $cC LDD immediate -**0- */
+INLINE void ldd_im( void )
+{
+ IMMWORD(pD);
+ CLR_NZV;
+ SET_NZ16(D);
+}
+
+/* is this a legal instruction? */
+/* $cD STD immediate -**0- */
+INLINE void std_im( void )
+{
+ CLR_NZV;
+ SET_NZ16(D);
+ IMM16;
+ WM16(EAD,&pD);
+}
+
+/* $cE LDU (LDS) immediate -**0- */
+INLINE void ldu_im( void )
+{
+ IMMWORD(pU);
+ CLR_NZV;
+ SET_NZ16(U);
+}
+
+/* $10cE LDS immediate -**0- */
+INLINE void lds_im( void )
+{
+ IMMWORD(pS);
+ CLR_NZV;
+ SET_NZ16(S);
+ m6809.int_state |= M6809_LDS;
+}
+
+/* is this a legal instruction? */
+/* $cF STU (STS) immediate -**0- */
+INLINE void stu_im( void )
+{
+ CLR_NZV;
+ SET_NZ16(U);
+ IMM16;
+ WM16(EAD,&pU);
+}
+
+/* is this a legal instruction? */
+/* $10cF STS immediate -**0- */
+INLINE void sts_im( void )
+{
+ CLR_NZV;
+ SET_NZ16(S);
+ IMM16;
+ WM16(EAD,&pS);
+}
+
+/* $d0 SUBB direct ?**** */
+INLINE void subb_di( void )
+{
+ UINT16 t,r;
+ DIRBYTE(t);
+ r = B - t;
+ CLR_NZVC;
+ SET_FLAGS8(B,t,r);
+ B = r;
+}
+
+/* $d1 CMPB direct ?**** */
+INLINE void cmpb_di( void )
+{
+ UINT16 t,r;
+ DIRBYTE(t);
+ r = B - t;
+ CLR_NZVC;
+ SET_FLAGS8(B,t,r);
+}
+
+/* $d2 SBCB direct ?**** */
+INLINE void sbcb_di( void )
+{
+ UINT16 t,r;
+ DIRBYTE(t);
+ r = B - t - (CC & CC_C);
+ CLR_NZVC;
+ SET_FLAGS8(B,t,r);
+ B = r;
+}
+
+/* $d3 ADDD direct -**** */
+INLINE void addd_di( void )
+{
+ UINT32 r,d;
+ PAIR b;
+ DIRWORD(b);
+ d = D;
+ r = d + b.d;
+ CLR_NZVC;
+ SET_FLAGS16(d,b.d,r);
+ D = r;
+}
+
+/* $d4 ANDB direct -**0- */
+INLINE void andb_di( void )
+{
+ UINT8 t;
+ DIRBYTE(t);
+ B &= t;
+ CLR_NZV;
+ SET_NZ8(B);
+}
+
+/* $d5 BITB direct -**0- */
+INLINE void bitb_di( void )
+{
+ UINT8 t,r;
+ DIRBYTE(t);
+ r = B & t;
+ CLR_NZV;
+ SET_NZ8(r);
+}
+
+/* $d6 LDB direct -**0- */
+INLINE void ldb_di( void )
+{
+ DIRBYTE(B);
+ CLR_NZV;
+ SET_NZ8(B);
+}
+
+/* $d7 STB direct -**0- */
+INLINE void stb_di( void )
+{
+ CLR_NZV;
+ SET_NZ8(B);
+ DIRECT;
+ WM(EAD,B);
+}
+
+/* $d8 EORB direct -**0- */
+INLINE void eorb_di( void )
+{
+ UINT8 t;
+ DIRBYTE(t);
+ B ^= t;
+ CLR_NZV;
+ SET_NZ8(B);
+}
+
+/* $d9 ADCB direct ***** */
+INLINE void adcb_di( void )
+{
+ UINT16 t,r;
+ DIRBYTE(t);
+ r = B + t + (CC & CC_C);
+ CLR_HNZVC;
+ SET_FLAGS8(B,t,r);
+ SET_H(B,t,r);
+ B = r;
+}
+
+/* $dA ORB direct -**0- */
+INLINE void orb_di( void )
+{
+ UINT8 t;
+ DIRBYTE(t);
+ B |= t;
+ CLR_NZV;
+ SET_NZ8(B);
+}
+
+/* $dB ADDB direct ***** */
+INLINE void addb_di( void )
+{
+ UINT16 t,r;
+ DIRBYTE(t);
+ r = B + t;
+ CLR_HNZVC;
+ SET_FLAGS8(B,t,r);
+ SET_H(B,t,r);
+ B = r;
+}
+
+/* $dC LDD direct -**0- */
+INLINE void ldd_di( void )
+{
+ DIRWORD(pD);
+ CLR_NZV;
+ SET_NZ16(D);
+}
+
+/* $dD STD direct -**0- */
+INLINE void std_di( void )
+{
+ CLR_NZV;
+ SET_NZ16(D);
+ DIRECT;
+ WM16(EAD,&pD);
+}
+
+/* $dE LDU (LDS) direct -**0- */
+INLINE void ldu_di( void )
+{
+ DIRWORD(pU);
+ CLR_NZV;
+ SET_NZ16(U);
+}
+
+/* $10dE LDS direct -**0- */
+INLINE void lds_di( void )
+{
+ DIRWORD(pS);
+ CLR_NZV;
+ SET_NZ16(S);
+ m6809.int_state |= M6809_LDS;
+}
+
+/* $dF STU (STS) direct -**0- */
+INLINE void stu_di( void )
+{
+ CLR_NZV;
+ SET_NZ16(U);
+ DIRECT;
+ WM16(EAD,&pU);
+}
+
+/* $10dF STS direct -**0- */
+INLINE void sts_di( void )
+{
+ CLR_NZV;
+ SET_NZ16(S);
+ DIRECT;
+ WM16(EAD,&pS);
+}
+
+/* $e0 SUBB indexed ?**** */
+INLINE void subb_ix( void )
+{
+ UINT16 t,r;
+ fetch_effective_address();
+ t = RM(EAD);
+ r = B - t;
+ CLR_NZVC;
+ SET_FLAGS8(B,t,r);
+ B = r;
+}
+
+/* $e1 CMPB indexed ?**** */
+INLINE void cmpb_ix( void )
+{
+ UINT16 t,r;
+ fetch_effective_address();
+ t = RM(EAD);
+ r = B - t;
+ CLR_NZVC;
+ SET_FLAGS8(B,t,r);
+}
+
+/* $e2 SBCB indexed ?**** */
+INLINE void sbcb_ix( void )
+{
+ UINT16 t,r;
+ fetch_effective_address();
+ t = RM(EAD);
+ r = B - t - (CC & CC_C);
+ CLR_NZVC;
+ SET_FLAGS8(B,t,r);
+ B = r;
+}
+
+/* $e3 ADDD indexed -**** */
+INLINE void addd_ix( void )
+{
+ UINT32 r,d;
+ PAIR b;
+ fetch_effective_address();
+ b.d=RM16(EAD);
+ d = D;
+ r = d + b.d;
+ CLR_NZVC;
+ SET_FLAGS16(d,b.d,r);
+ D = r;
+}
+
+/* $e4 ANDB indexed -**0- */
+INLINE void andb_ix( void )
+{
+ fetch_effective_address();
+ B &= RM(EAD);
+ CLR_NZV;
+ SET_NZ8(B);
+}
+
+/* $e5 BITB indexed -**0- */
+INLINE void bitb_ix( void )
+{
+ UINT8 r;
+ fetch_effective_address();
+ r = B & RM(EAD);
+ CLR_NZV;
+ SET_NZ8(r);
+}
+
+/* $e6 LDB indexed -**0- */
+INLINE void ldb_ix( void )
+{
+ fetch_effective_address();
+ B = RM(EAD);
+ CLR_NZV;
+ SET_NZ8(B);
+}
+
+/* $e7 STB indexed -**0- */
+INLINE void stb_ix( void )
+{
+ fetch_effective_address();
+ CLR_NZV;
+ SET_NZ8(B);
+ WM(EAD,B);
+}
+
+/* $e8 EORB indexed -**0- */
+INLINE void eorb_ix( void )
+{
+ fetch_effective_address();
+ B ^= RM(EAD);
+ CLR_NZV;
+ SET_NZ8(B);
+}
+
+/* $e9 ADCB indexed ***** */
+INLINE void adcb_ix( void )
+{
+ UINT16 t,r;
+ fetch_effective_address();
+ t = RM(EAD);
+ r = B + t + (CC & CC_C);
+ CLR_HNZVC;
+ SET_FLAGS8(B,t,r);
+ SET_H(B,t,r);
+ B = r;
+}
+
+/* $eA ORB indexed -**0- */
+INLINE void orb_ix( void )
+{
+ fetch_effective_address();
+ B |= RM(EAD);
+ CLR_NZV;
+ SET_NZ8(B);
+}
+
+/* $eB ADDB indexed ***** */
+INLINE void addb_ix( void )
+{
+ UINT16 t,r;
+ fetch_effective_address();
+ t = RM(EAD);
+ r = B + t;
+ CLR_HNZVC;
+ SET_FLAGS8(B,t,r);
+ SET_H(B,t,r);
+ B = r;
+}
+
+/* $eC LDD indexed -**0- */
+INLINE void ldd_ix( void )
+{
+ fetch_effective_address();
+ D=RM16(EAD);
+ CLR_NZV; SET_NZ16(D);
+}
+
+/* $eD STD indexed -**0- */
+INLINE void std_ix( void )
+{
+ fetch_effective_address();
+ CLR_NZV;
+ SET_NZ16(D);
+ WM16(EAD,&pD);
+}
+
+/* $eE LDU (LDS) indexed -**0- */
+INLINE void ldu_ix( void )
+{
+ fetch_effective_address();
+ U=RM16(EAD);
+ CLR_NZV;
+ SET_NZ16(U);
+}
+
+/* $10eE LDS indexed -**0- */
+INLINE void lds_ix( void )
+{
+ fetch_effective_address();
+ S=RM16(EAD);
+ CLR_NZV;
+ SET_NZ16(S);
+ m6809.int_state |= M6809_LDS;
+}
+
+/* $eF STU (STS) indexed -**0- */
+INLINE void stu_ix( void )
+{
+ fetch_effective_address();
+ CLR_NZV;
+ SET_NZ16(U);
+ WM16(EAD,&pU);
+}
+
+/* $10eF STS indexed -**0- */
+INLINE void sts_ix( void )
+{
+ fetch_effective_address();
+ CLR_NZV;
+ SET_NZ16(S);
+ WM16(EAD,&pS);
+}
+
+/* $f0 SUBB extended ?**** */
+INLINE void subb_ex( void )
+{
+ UINT16 t,r;
+ EXTBYTE(t);
+ r = B - t;
+ CLR_NZVC;
+ SET_FLAGS8(B,t,r);
+ B = r;
+}
+
+/* $f1 CMPB extended ?**** */
+INLINE void cmpb_ex( void )
+{
+ UINT16 t,r;
+ EXTBYTE(t);
+ r = B - t;
+ CLR_NZVC;
+ SET_FLAGS8(B,t,r);
+}
+
+/* $f2 SBCB extended ?**** */
+INLINE void sbcb_ex( void )
+{
+ UINT16 t,r;
+ EXTBYTE(t);
+ r = B - t - (CC & CC_C);
+ CLR_NZVC;
+ SET_FLAGS8(B,t,r);
+ B = r;
+}
+
+/* $f3 ADDD extended -**** */
+INLINE void addd_ex( void )
+{
+ UINT32 r,d;
+ PAIR b;
+ EXTWORD(b);
+ d = D;
+ r = d + b.d;
+ CLR_NZVC;
+ SET_FLAGS16(d,b.d,r);
+ D = r;
+}
+
+/* $f4 ANDB extended -**0- */
+INLINE void andb_ex( void )
+{
+ UINT8 t;
+ EXTBYTE(t);
+ B &= t;
+ CLR_NZV;
+ SET_NZ8(B);
+}
+
+/* $f5 BITB extended -**0- */
+INLINE void bitb_ex( void )
+{
+ UINT8 t,r;
+ EXTBYTE(t);
+ r = B & t;
+ CLR_NZV;
+ SET_NZ8(r);
+}
+
+/* $f6 LDB extended -**0- */
+INLINE void ldb_ex( void )
+{
+ EXTBYTE(B);
+ CLR_NZV;
+ SET_NZ8(B);
+}
+
+/* $f7 STB extended -**0- */
+INLINE void stb_ex( void )
+{
+ CLR_NZV;
+ SET_NZ8(B);
+ EXTENDED;
+ WM(EAD,B);
+}
+
+/* $f8 EORB extended -**0- */
+INLINE void eorb_ex( void )
+{
+ UINT8 t;
+ EXTBYTE(t);
+ B ^= t;
+ CLR_NZV;
+ SET_NZ8(B);
+}
+
+/* $f9 ADCB extended ***** */
+INLINE void adcb_ex( void )
+{
+ UINT16 t,r;
+ EXTBYTE(t);
+ r = B + t + (CC & CC_C);
+ CLR_HNZVC;
+ SET_FLAGS8(B,t,r);
+ SET_H(B,t,r);
+ B = r;
+}
+
+/* $fA ORB extended -**0- */
+INLINE void orb_ex( void )
+{
+ UINT8 t;
+ EXTBYTE(t);
+ B |= t;
+ CLR_NZV;
+ SET_NZ8(B);
+}
+
+/* $fB ADDB extended ***** */
+INLINE void addb_ex( void )
+{
+ UINT16 t,r;
+ EXTBYTE(t);
+ r = B + t;
+ CLR_HNZVC;
+ SET_FLAGS8(B,t,r);
+ SET_H(B,t,r);
+ B = r;
+}
+
+/* $fC LDD extended -**0- */
+INLINE void ldd_ex( void )
+{
+ EXTWORD(pD);
+ CLR_NZV;
+ SET_NZ16(D);
+}
+
+/* $fD STD extended -**0- */
+INLINE void std_ex( void )
+{
+ CLR_NZV;
+ SET_NZ16(D);
+ EXTENDED;
+ WM16(EAD,&pD);
+}
+
+/* $fE LDU (LDS) extended -**0- */
+INLINE void ldu_ex( void )
+{
+ EXTWORD(pU);
+ CLR_NZV;
+ SET_NZ16(U);
+}
+
+/* $10fE LDS extended -**0- */
+INLINE void lds_ex( void )
+{
+ EXTWORD(pS);
+ CLR_NZV;
+ SET_NZ16(S);
+ m6809.int_state |= M6809_LDS;
+}
+
+/* $fF STU (STS) extended -**0- */
+INLINE void stu_ex( void )
+{
+ CLR_NZV;
+ SET_NZ16(U);
+ EXTENDED;
+ WM16(EAD,&pU);
+}
+
+/* $10fF STS extended -**0- */
+INLINE void sts_ex( void )
+{
+ CLR_NZV;
+ SET_NZ16(S);
+ EXTENDED;
+ WM16(EAD,&pS);
+}
+
+/* $10xx opcodes */
+INLINE void pref10( void )
+{
+ UINT8 ireg2 = ROP(PCD);
+ PC++;
+ switch( ireg2 )
+ {
+ case 0x21: lbrn(); m6809_ICount-=5; break;
+ case 0x22: lbhi(); m6809_ICount-=5; break;
+ case 0x23: lbls(); m6809_ICount-=5; break;
+ case 0x24: lbcc(); m6809_ICount-=5; break;
+ case 0x25: lbcs(); m6809_ICount-=5; break;
+ case 0x26: lbne(); m6809_ICount-=5; break;
+ case 0x27: lbeq(); m6809_ICount-=5; break;
+ case 0x28: lbvc(); m6809_ICount-=5; break;
+ case 0x29: lbvs(); m6809_ICount-=5; break;
+ case 0x2a: lbpl(); m6809_ICount-=5; break;
+ case 0x2b: lbmi(); m6809_ICount-=5; break;
+ case 0x2c: lbge(); m6809_ICount-=5; break;
+ case 0x2d: lblt(); m6809_ICount-=5; break;
+ case 0x2e: lbgt(); m6809_ICount-=5; break;
+ case 0x2f: lble(); m6809_ICount-=5; break;
+
+ case 0x3f: swi2(); m6809_ICount-=20; break;
+
+ case 0x83: cmpd_im(); m6809_ICount-=5; break;
+ case 0x8c: cmpy_im(); m6809_ICount-=5; break;
+ case 0x8e: ldy_im(); m6809_ICount-=4; break;
+ case 0x8f: sty_im(); m6809_ICount-=4; break;
+
+ case 0x93: cmpd_di(); m6809_ICount-=7; break;
+ case 0x9c: cmpy_di(); m6809_ICount-=7; break;
+ case 0x9e: ldy_di(); m6809_ICount-=6; break;
+ case 0x9f: sty_di(); m6809_ICount-=6; break;
+
+ case 0xa3: cmpd_ix(); m6809_ICount-=7; break;
+ case 0xac: cmpy_ix(); m6809_ICount-=7; break;
+ case 0xae: ldy_ix(); m6809_ICount-=6; break;
+ case 0xaf: sty_ix(); m6809_ICount-=6; break;
+
+ case 0xb3: cmpd_ex(); m6809_ICount-=8; break;
+ case 0xbc: cmpy_ex(); m6809_ICount-=8; break;
+ case 0xbe: ldy_ex(); m6809_ICount-=7; break;
+ case 0xbf: sty_ex(); m6809_ICount-=7; break;
+
+ case 0xce: lds_im(); m6809_ICount-=4; break;
+ case 0xcf: sts_im(); m6809_ICount-=4; break;
+
+ case 0xde: lds_di(); m6809_ICount-=6; break;
+ case 0xdf: sts_di(); m6809_ICount-=6; break;
+
+ case 0xee: lds_ix(); m6809_ICount-=6; break;
+ case 0xef: sts_ix(); m6809_ICount-=6; break;
+
+ case 0xfe: lds_ex(); m6809_ICount-=7; break;
+ case 0xff: sts_ex(); m6809_ICount-=7; break;
+
+ default: illegal(); break;
+ }
+}
+
+/* $11xx opcodes */
+INLINE void pref11( void )
+{
+ UINT8 ireg2 = ROP(PCD);
+ PC++;
+ switch( ireg2 )
+ {
+ case 0x3f: swi3(); m6809_ICount-=20; break;
+
+ case 0x83: cmpu_im(); m6809_ICount-=5; break;
+ case 0x8c: cmps_im(); m6809_ICount-=5; break;
+
+ case 0x93: cmpu_di(); m6809_ICount-=7; break;
+ case 0x9c: cmps_di(); m6809_ICount-=7; break;
+
+ case 0xa3: cmpu_ix(); m6809_ICount-=7; break;
+ case 0xac: cmps_ix(); m6809_ICount-=7; break;
+
+ case 0xb3: cmpu_ex(); m6809_ICount-=8; break;
+ case 0xbc: cmps_ex(); m6809_ICount-=8; break;
+
+ default: illegal(); break;
+ }
+}
+
+