diff options
Diffstat (limited to 'src/cpumacro.h')
| -rw-r--r-- | src/cpumacro.h | 1054 |
1 files changed, 523 insertions, 531 deletions
diff --git a/src/cpumacro.h b/src/cpumacro.h index d4866f1..f063e34 100644 --- a/src/cpumacro.h +++ b/src/cpumacro.h @@ -4,7 +4,7 @@ * (c) Copyright 1996 - 2001 Gary Henderson (gary.henderson@ntlworld.com) and
* Jerremy Koot (jkoot@snes9x.com)
*
- * Super FX C emulator code
+ * Super FX C emulator code
* (c) Copyright 1997 - 1999 Ivar (ivar@snes9x.com) and
* Gary Henderson.
* Super FX assembler emulator code (c) Copyright 1998 zsKnight and _Demo_.
@@ -41,780 +41,772 @@ #ifndef _CPUMACRO_H_
#define _CPUMACRO_H_
-STATIC inline void SetZN16 (uint16 Work)
-{
- ICPU._Zero = Work != 0;
- ICPU._Negative = (uint8) (Work >> 8);
-}
-
-STATIC inline void SetZN8 (uint8 Work)
-{
- ICPU._Zero = Work;
- ICPU._Negative = Work;
-}
-
-STATIC inline void ADC8 ()
-{
- uint8 Work8 = S9xGetByte (OpAddress);
-
- if (CheckDecimal ())
- {
- uint8 A1 = (Registers.A.W) & 0xF;
- uint8 A2 = (Registers.A.W >> 4) & 0xF;
- uint8 W1 = Work8 & 0xF;
- uint8 W2 = (Work8 >> 4) & 0xF;
-
- A1 += W1 + CheckCarry();
- if (A1 > 9)
- {
- A1 -= 10;
- A2++;
- }
-
- A2 += W2;
- if (A2 > 9)
- {
- A2 -= 10;
- SetCarry ();
- }
- else
- {
- ClearCarry ();
- }
-
- uint8 Ans8 = (A2 << 4) | A1;
- if (~(Registers.AL ^ Work8) &
- (Work8 ^ Ans8) & 0x80)
- SetOverflow();
- else
- ClearOverflow();
- Registers.AL = Ans8;
- SetZN8 (Registers.AL);
- }
- else
- {
- uint16 Ans16 = Registers.AL + Work8 + CheckCarry();
-
- ICPU._Carry = Ans16 >= 0x100;
-
- if (~(Registers.AL ^ Work8) &
- (Work8 ^ (uint8) Ans16) & 0x80)
- SetOverflow();
- else
- ClearOverflow();
- Registers.AL = (uint8) Ans16;
- SetZN8 (Registers.AL);
-
- }
-}
-
-STATIC inline void ADC16 ()
-{
- uint16 Work16 = S9xGetWord (OpAddress);
-
- if (CheckDecimal ())
- {
- uint8 A1 = (Registers.A.W) & 0xF;
- uint8 A2 = (Registers.A.W >> 4) & 0xF;
- uint8 A3 = (Registers.A.W >> 8) & 0xF;
- uint8 A4 = (Registers.A.W >> 12) & 0xF;
- uint8 W1 = Work16 & 0xF;
- uint8 W2 = (Work16 >> 4) & 0xF;
- uint8 W3 = (Work16 >> 8) & 0xF;
- uint8 W4 = (Work16 >> 12) & 0xF;
-
- A1 += W1 + CheckCarry ();
- if (A1 > 9)
- {
- A1 -= 10;
- A2++;
- }
-
- A2 += W2;
- if (A2 > 9)
- {
- A2 -= 10;
- A3++;
- }
-
- A3 += W3;
- if (A3 > 9)
- {
- A3 -= 10;
- A4++;
- }
-
- A4 += W4;
- if (A4 > 9)
- {
- A4 -= 10;
- SetCarry ();
- }
- else
- {
- ClearCarry ();
- }
-
- uint16 Ans16 = (A4 << 12) | (A3 << 8) | (A2 << 4) | (A1);
- if (~(Registers.A.W ^ Work16) &
- (Work16 ^ Ans16) & 0x8000)
- SetOverflow();
- else
- ClearOverflow();
- Registers.A.W = Ans16;
- SetZN16 (Registers.A.W);
- }
- else
- {
- uint32 Ans32 = Registers.A.W + Work16 + CheckCarry();
-
- ICPU._Carry = Ans32 >= 0x10000;
-
- if (~(Registers.A.W ^ Work16) &
- (Work16 ^ (uint16) Ans32) & 0x8000)
- SetOverflow();
- else
- ClearOverflow();
- Registers.A.W = (uint16) Ans32;
- SetZN16 (Registers.A.W);
- }
-}
-
-STATIC inline void AND16 ()
-{
- Registers.A.W &= S9xGetWord (OpAddress);
- SetZN16 (Registers.A.W);
-}
-
-STATIC inline void AND8 ()
-{
- Registers.AL &= S9xGetByte (OpAddress);
- SetZN8 (Registers.AL);
-}
-
-STATIC inline void A_ASL16 ()
+STATIC inline void SetZN16(uint16 Work)
+{
+ ICPU._Zero = Work != 0;
+ ICPU._Negative = (uint8)(Work >> 8);
+}
+
+STATIC inline void SetZN8(uint8 Work)
+{
+ ICPU._Zero = Work;
+ ICPU._Negative = Work;
+}
+
+STATIC inline void ADC8()
+{
+ uint8 Work8 = S9xGetByte(OpAddress);
+
+ if (CheckDecimal())
+ {
+ uint8 A1 = (Registers.A.W) & 0xF;
+ uint8 A2 = (Registers.A.W >> 4) & 0xF;
+ uint8 W1 = Work8 & 0xF;
+ uint8 W2 = (Work8 >> 4) & 0xF;
+
+ A1 += W1 + CheckCarry();
+ if (A1 > 9)
+ {
+ A1 -= 10;
+ A2++;
+ }
+
+ A2 += W2;
+ if (A2 > 9)
+ {
+ A2 -= 10;
+ SetCarry();
+ }
+ else
+ ClearCarry();
+
+ uint8 Ans8 = (A2 << 4) | A1;
+ if (~(Registers.AL ^ Work8) &
+ (Work8 ^ Ans8) & 0x80)
+ SetOverflow();
+ else
+ ClearOverflow();
+ Registers.AL = Ans8;
+ SetZN8(Registers.AL);
+ }
+ else
+ {
+ uint16 Ans16 = Registers.AL + Work8 + CheckCarry();
+
+ ICPU._Carry = Ans16 >= 0x100;
+
+ if (~(Registers.AL ^ Work8) &
+ (Work8 ^ (uint8) Ans16) & 0x80)
+ SetOverflow();
+ else
+ ClearOverflow();
+ Registers.AL = (uint8) Ans16;
+ SetZN8(Registers.AL);
+
+ }
+}
+
+STATIC inline void ADC16()
+{
+ uint16 Work16 = S9xGetWord(OpAddress);
+
+ if (CheckDecimal())
+ {
+ uint8 A1 = (Registers.A.W) & 0xF;
+ uint8 A2 = (Registers.A.W >> 4) & 0xF;
+ uint8 A3 = (Registers.A.W >> 8) & 0xF;
+ uint8 A4 = (Registers.A.W >> 12) & 0xF;
+ uint8 W1 = Work16 & 0xF;
+ uint8 W2 = (Work16 >> 4) & 0xF;
+ uint8 W3 = (Work16 >> 8) & 0xF;
+ uint8 W4 = (Work16 >> 12) & 0xF;
+
+ A1 += W1 + CheckCarry();
+ if (A1 > 9)
+ {
+ A1 -= 10;
+ A2++;
+ }
+
+ A2 += W2;
+ if (A2 > 9)
+ {
+ A2 -= 10;
+ A3++;
+ }
+
+ A3 += W3;
+ if (A3 > 9)
+ {
+ A3 -= 10;
+ A4++;
+ }
+
+ A4 += W4;
+ if (A4 > 9)
+ {
+ A4 -= 10;
+ SetCarry();
+ }
+ else
+ ClearCarry();
+
+ uint16 Ans16 = (A4 << 12) | (A3 << 8) | (A2 << 4) | (A1);
+ if (~(Registers.A.W ^ Work16) &
+ (Work16 ^ Ans16) & 0x8000)
+ SetOverflow();
+ else
+ ClearOverflow();
+ Registers.A.W = Ans16;
+ SetZN16(Registers.A.W);
+ }
+ else
+ {
+ uint32 Ans32 = Registers.A.W + Work16 + CheckCarry();
+
+ ICPU._Carry = Ans32 >= 0x10000;
+
+ if (~(Registers.A.W ^ Work16) &
+ (Work16 ^ (uint16) Ans32) & 0x8000)
+ SetOverflow();
+ else
+ ClearOverflow();
+ Registers.A.W = (uint16) Ans32;
+ SetZN16(Registers.A.W);
+ }
+}
+
+STATIC inline void AND16()
+{
+ Registers.A.W &= S9xGetWord(OpAddress);
+ SetZN16(Registers.A.W);
+}
+
+STATIC inline void AND8()
+{
+ Registers.AL &= S9xGetByte(OpAddress);
+ SetZN8(Registers.AL);
+}
+
+STATIC inline void A_ASL16()
{
#ifdef VAR_CYCLES
- CPU.Cycles += ONE_CYCLE;
+ CPU.Cycles += ONE_CYCLE;
#endif
- ICPU._Carry = (Registers.AH & 0x80) != 0;
- Registers.A.W <<= 1;
- SetZN16 (Registers.A.W);
+ ICPU._Carry = (Registers.AH & 0x80) != 0;
+ Registers.A.W <<= 1;
+ SetZN16(Registers.A.W);
}
-STATIC inline void A_ASL8 ()
+STATIC inline void A_ASL8()
{
#ifdef VAR_CYCLES
- CPU.Cycles += ONE_CYCLE;
+ CPU.Cycles += ONE_CYCLE;
#endif
- ICPU._Carry = (Registers.AL & 0x80) != 0;
- Registers.AL <<= 1;
- SetZN8 (Registers.AL);
+ ICPU._Carry = (Registers.AL & 0x80) != 0;
+ Registers.AL <<= 1;
+ SetZN8(Registers.AL);
}
-STATIC inline void ASL16 ()
+STATIC inline void ASL16()
{
#ifdef VAR_CYCLES
- CPU.Cycles += ONE_CYCLE;
+ CPU.Cycles += ONE_CYCLE;
#endif
- uint16 Work16 = S9xGetWord (OpAddress);
- ICPU._Carry = (Work16 & 0x8000) != 0;
- Work16 <<= 1;
- S9xSetWord (Work16, OpAddress);
- SetZN16 (Work16);
+ uint16 Work16 = S9xGetWord(OpAddress);
+ ICPU._Carry = (Work16 & 0x8000) != 0;
+ Work16 <<= 1;
+ S9xSetWord(Work16, OpAddress);
+ SetZN16(Work16);
}
-STATIC inline void ASL8 ()
+STATIC inline void ASL8()
{
#ifdef VAR_CYCLES
- CPU.Cycles += ONE_CYCLE;
+ CPU.Cycles += ONE_CYCLE;
#endif
- uint8 Work8 = S9xGetByte (OpAddress);
- ICPU._Carry = (Work8 & 0x80) != 0;
- Work8 <<= 1;
- S9xSetByte (Work8, OpAddress);
- SetZN8 (Work8);
+ uint8 Work8 = S9xGetByte(OpAddress);
+ ICPU._Carry = (Work8 & 0x80) != 0;
+ Work8 <<= 1;
+ S9xSetByte(Work8, OpAddress);
+ SetZN8(Work8);
}
-STATIC inline void BIT16 ()
+STATIC inline void BIT16()
{
- uint16 Work16 = S9xGetWord (OpAddress);
- ICPU._Overflow = (Work16 & 0x4000) != 0;
- ICPU._Negative = (uint8) (Work16 >> 8);
- ICPU._Zero = (Work16 & Registers.A.W) != 0;
+ uint16 Work16 = S9xGetWord(OpAddress);
+ ICPU._Overflow = (Work16 & 0x4000) != 0;
+ ICPU._Negative = (uint8)(Work16 >> 8);
+ ICPU._Zero = (Work16 & Registers.A.W) != 0;
}
-STATIC inline void BIT8 ()
+STATIC inline void BIT8()
{
- uint8 Work8 = S9xGetByte (OpAddress);
- ICPU._Overflow = (Work8 & 0x40) != 0;
- ICPU._Negative = Work8;
- ICPU._Zero = Work8 & Registers.AL;
+ uint8 Work8 = S9xGetByte(OpAddress);
+ ICPU._Overflow = (Work8 & 0x40) != 0;
+ ICPU._Negative = Work8;
+ ICPU._Zero = Work8 & Registers.AL;
}
-STATIC inline void CMP16 ()
+STATIC inline void CMP16()
{
- long s9xInt32 = (long) Registers.A.W -
- (long) S9xGetWord (OpAddress);
- ICPU._Carry = s9xInt32 >= 0;
- SetZN16 ((uint16) s9xInt32);
+ long s9xInt32 = (long) Registers.A.W -
+ (long) S9xGetWord(OpAddress);
+ ICPU._Carry = s9xInt32 >= 0;
+ SetZN16((uint16) s9xInt32);
}
-STATIC inline void CMP8 ()
+STATIC inline void CMP8()
{
- short s9xInt16 = (short) Registers.AL -
- (short) S9xGetByte (OpAddress);
- ICPU._Carry = s9xInt16 >= 0;
- SetZN8 ((uint8) s9xInt16);
+ short s9xInt16 = (short) Registers.AL -
+ (short) S9xGetByte(OpAddress);
+ ICPU._Carry = s9xInt16 >= 0;
+ SetZN8((uint8) s9xInt16);
}
-STATIC inline void CMX16 ()
+STATIC inline void CMX16()
{
- long s9xInt32 = (long) Registers.X.W -
- (long) S9xGetWord (OpAddress);
- ICPU._Carry = s9xInt32 >= 0;
- SetZN16 ((uint16) s9xInt32);
+ long s9xInt32 = (long) Registers.X.W -
+ (long) S9xGetWord(OpAddress);
+ ICPU._Carry = s9xInt32 >= 0;
+ SetZN16((uint16) s9xInt32);
}
-STATIC inline void CMX8 ()
+STATIC inline void CMX8()
{
- short s9xInt16 = (short) Registers.XL -
- (short) S9xGetByte (OpAddress);
- ICPU._Carry = s9xInt16 >= 0;
- SetZN8 ((uint8) s9xInt16);
+ short s9xInt16 = (short) Registers.XL -
+ (short) S9xGetByte(OpAddress);
+ ICPU._Carry = s9xInt16 >= 0;
+ SetZN8((uint8) s9xInt16);
}
-STATIC inline void CMY16 ()
+STATIC inline void CMY16()
{
- long s9xInt32 = (long) Registers.Y.W -
- (long) S9xGetWord (OpAddress);
- ICPU._Carry = s9xInt32 >= 0;
- SetZN16 ((uint16) s9xInt32);
+ long s9xInt32 = (long) Registers.Y.W -
+ (long) S9xGetWord(OpAddress);
+ ICPU._Carry = s9xInt32 >= 0;
+ SetZN16((uint16) s9xInt32);
}
-STATIC inline void CMY8 ()
+STATIC inline void CMY8()
{
- short s9xInt16 = (short) Registers.YL -
- (short) S9xGetByte (OpAddress);
- ICPU._Carry = s9xInt16 >= 0;
- SetZN8 ((uint8) s9xInt16);
+ short s9xInt16 = (short) Registers.YL -
+ (short) S9xGetByte(OpAddress);
+ ICPU._Carry = s9xInt16 >= 0;
+ SetZN8((uint8) s9xInt16);
}
-STATIC inline void A_DEC16 ()
+STATIC inline void A_DEC16()
{
#ifdef VAR_CYCLES
- CPU.Cycles += ONE_CYCLE;
+ CPU.Cycles += ONE_CYCLE;
#endif
#ifdef CPU_SHUTDOWN
- CPU.WaitAddress = NULL;
+ CPU.WaitAddress = NULL;
#endif
- Registers.A.W--;
- SetZN16 (Registers.A.W);
+ Registers.A.W--;
+ SetZN16(Registers.A.W);
}
-STATIC inline void A_DEC8 ()
+STATIC inline void A_DEC8()
{
#ifdef VAR_CYCLES
- CPU.Cycles += ONE_CYCLE;
+ CPU.Cycles += ONE_CYCLE;
#endif
#ifdef CPU_SHUTDOWN
- CPU.WaitAddress = NULL;
+ CPU.WaitAddress = NULL;
#endif
- Registers.AL--;
- SetZN8 (Registers.AL);
+ Registers.AL--;
+ SetZN8(Registers.AL);
}
-STATIC inline void DEC16 ()
+STATIC inline void DEC16()
{
#ifdef VAR_CYCLES
- CPU.Cycles += ONE_CYCLE;
+ CPU.Cycles += ONE_CYCLE;
#endif
#ifdef CPU_SHUTDOWN
- CPU.WaitAddress = NULL;
+ CPU.WaitAddress = NULL;
#endif
- uint16 Work16 = S9xGetWord (OpAddress) - 1;
- S9xSetWord (Work16, OpAddress);
- SetZN16 (Work16);
+ uint16 Work16 = S9xGetWord(OpAddress) - 1;
+ S9xSetWord(Work16, OpAddress);
+ SetZN16(Work16);
}
-STATIC inline void DEC8 ()
+STATIC inline void DEC8()
{
#ifdef VAR_CYCLES
- CPU.Cycles += ONE_CYCLE;
+ CPU.Cycles += ONE_CYCLE;
#endif
#ifdef CPU_SHUTDOWN
- CPU.WaitAddress = NULL;
+ CPU.WaitAddress = NULL;
#endif
- uint8 Work8 = S9xGetByte (OpAddress) - 1;
- S9xSetByte (Work8, OpAddress);
- SetZN8 (Work8);
+ uint8 Work8 = S9xGetByte(OpAddress) - 1;
+ S9xSetByte(Work8, OpAddress);
+ SetZN8(Work8);
}
-STATIC inline void EOR16 ()
+STATIC inline void EOR16()
{
- Registers.A.W ^= S9xGetWord (OpAddress);
- SetZN16 (Registers.A.W);
+ Registers.A.W ^= S9xGetWord(OpAddress);
+ SetZN16(Registers.A.W);
}
-STATIC inline void EOR8 ()
+STATIC inline void EOR8()
{
- Registers.AL ^= S9xGetByte (OpAddress);
- SetZN8 (Registers.AL);
+ Registers.AL ^= S9xGetByte(OpAddress);
+ SetZN8(Registers.AL);
}
-STATIC inline void A_INC16 ()
+STATIC inline void A_INC16()
{
#ifdef VAR_CYCLES
- CPU.Cycles += ONE_CYCLE;
+ CPU.Cycles += ONE_CYCLE;
#endif
#ifdef CPU_SHUTDOWN
- CPU.WaitAddress = NULL;
+ CPU.WaitAddress = NULL;
#endif
- Registers.A.W++;
- SetZN16 (Registers.A.W);
+ Registers.A.W++;
+ SetZN16(Registers.A.W);
}
-STATIC inline void A_INC8 ()
+STATIC inline void A_INC8()
{
#ifdef VAR_CYCLES
- CPU.Cycles += ONE_CYCLE;
+ CPU.Cycles += ONE_CYCLE;
#endif
#ifdef CPU_SHUTDOWN
- CPU.WaitAddress = NULL;
+ CPU.WaitAddress = NULL;
#endif
- Registers.AL++;
- SetZN8 (Registers.AL);
+ Registers.AL++;
+ SetZN8(Registers.AL);
}
-STATIC inline void INC16 ()
+STATIC inline void INC16()
{
#ifdef VAR_CYCLES
- CPU.Cycles += ONE_CYCLE;
+ CPU.Cycles += ONE_CYCLE;
#endif
#ifdef CPU_SHUTDOWN
- CPU.WaitAddress = NULL;
+ CPU.WaitAddress = NULL;
#endif
- uint16 Work16 = S9xGetWord (OpAddress) + 1;
- S9xSetWord (Work16, OpAddress);
- SetZN16 (Work16);
+ uint16 Work16 = S9xGetWord(OpAddress) + 1;
+ S9xSetWord(Work16, OpAddress);
+ SetZN16(Work16);
}
-STATIC inline void INC8 ()
+STATIC inline void INC8()
{
#ifdef VAR_CYCLES
- CPU.Cycles += ONE_CYCLE;
+ CPU.Cycles += ONE_CYCLE;
#endif
#ifdef CPU_SHUTDOWN
- CPU.WaitAddress = NULL;
+ CPU.WaitAddress = NULL;
#endif
- uint8 Work8 = S9xGetByte (OpAddress) + 1;
- S9xSetByte (Work8, OpAddress);
- SetZN8 (Work8);
+ uint8 Work8 = S9xGetByte(OpAddress) + 1;
+ S9xSetByte(Work8, OpAddress);
+ SetZN8(Work8);
}
-STATIC inline void LDA16 ()
+STATIC inline void LDA16()
{
- Registers.A.W = S9xGetWord (OpAddress);
- SetZN16 (Registers.A.W);
+ Registers.A.W = S9xGetWord(OpAddress);
+ SetZN16(Registers.A.W);
}
-STATIC inline void LDA8 ()
+STATIC inline void LDA8()
{
- Registers.AL = S9xGetByte (OpAddress);
- SetZN8 (Registers.AL);
+ Registers.AL = S9xGetByte(OpAddress);
+ SetZN8(Registers.AL);
}
-STATIC inline void LDX16 ()
+STATIC inline void LDX16()
{
- Registers.X.W = S9xGetWord (OpAddress);
- SetZN16 (Registers.X.W);
+ Registers.X.W = S9xGetWord(OpAddress);
+ SetZN16(Registers.X.W);
}
-STATIC inline void LDX8 ()
+STATIC inline void LDX8()
{
- Registers.XL = S9xGetByte (OpAddress);
- SetZN8 (Registers.XL);
+ Registers.XL = S9xGetByte(OpAddress);
+ SetZN8(Registers.XL);
}
-STATIC inline void LDY16 ()
+STATIC inline void LDY16()
{
- Registers.Y.W = S9xGetWord (OpAddress);
- SetZN16 (Registers.Y.W);
+ Registers.Y.W = S9xGetWord(OpAddress);
+ SetZN16(Registers.Y.W);
}
-STATIC inline void LDY8 ()
+STATIC inline void LDY8()
{
- Registers.YL = S9xGetByte (OpAddress);
- SetZN8 (Registers.YL);
+ Registers.YL = S9xGetByte(OpAddress);
+ SetZN8(Registers.YL);
}
-STATIC inline void A_LSR16 ()
+STATIC inline void A_LSR16()
{
#ifdef VAR_CYCLES
- CPU.Cycles += ONE_CYCLE;
+ CPU.Cycles += ONE_CYCLE;
#endif
- ICPU._Carry = Registers.AL & 1;
- Registers.A.W >>= 1;
- SetZN16 (Registers.A.W);
+ ICPU._Carry = Registers.AL & 1;
+ Registers.A.W >>= 1;
+ SetZN16(Registers.A.W);
}
-STATIC inline void A_LSR8 ()
+STATIC inline void A_LSR8()
{
#ifdef VAR_CYCLES
- CPU.Cycles += ONE_CYCLE;
+ CPU.Cycles += ONE_CYCLE;
#endif
- ICPU._Carry = Registers.AL & 1;
- Registers.AL >>= 1;
- SetZN8 (Registers.AL);
+ ICPU._Carry = Registers.AL & 1;
+ Registers.AL >>= 1;
+ SetZN8(Registers.AL);
}
-STATIC inline void LSR16 ()
+STATIC inline void LSR16()
{
#ifdef VAR_CYCLES
- CPU.Cycles += ONE_CYCLE;
+ CPU.Cycles += ONE_CYCLE;
#endif
- uint16 Work16 = S9xGetWord (OpAddress);
- ICPU._Carry = Work16 & 1;
- Work16 >>= 1;
- S9xSetWord (Work16, OpAddress);
- SetZN16 (Work16);
+ uint16 Work16 = S9xGetWord(OpAddress);
+ ICPU._Carry = Work16 & 1;
+ Work16 >>= 1;
+ S9xSetWord(Work16, OpAddress);
+ SetZN16(Work16);
}
-STATIC inline void LSR8 ()
+STATIC inline void LSR8()
{
#ifdef VAR_CYCLES
- CPU.Cycles += ONE_CYCLE;
+ CPU.Cycles += ONE_CYCLE;
#endif
- uint8 Work8 = S9xGetByte (OpAddress);
- ICPU._Carry = Work8 & 1;
- Work8 >>= 1;
- S9xSetByte (Work8, OpAddress);
- SetZN8 (Work8);
+ uint8 Work8 = S9xGetByte(OpAddress);
+ ICPU._Carry = Work8 & 1;
+ Work8 >>= 1;
+ S9xSetByte(Work8, OpAddress);
+ SetZN8(Work8);
}
-STATIC inline void ORA16 ()
+STATIC inline void ORA16()
{
- Registers.A.W |= S9xGetWord (OpAddress);
- SetZN16 (Registers.A.W);
+ Registers.A.W |= S9xGetWord(OpAddress);
+ SetZN16(Registers.A.W);
}
-STATIC inline void ORA8 ()
+STATIC inline void ORA8()
{
- Registers.AL |= S9xGetByte (OpAddress);
- SetZN8 (Registers.AL);
+ Registers.AL |= S9xGetByte(OpAddress);
+ SetZN8(Registers.AL);
}
-STATIC inline void A_ROL16 ()
+STATIC inline void A_ROL16()
{
#ifdef VAR_CYCLES
- CPU.Cycles += ONE_CYCLE;
+ CPU.Cycles += ONE_CYCLE;
#endif
- uint32 Work32 = (Registers.A.W << 1) | CheckCarry();
- ICPU._Carry = Work32 >= 0x10000;
- Registers.A.W = (uint16) Work32;
- SetZN16 ((uint16) Work32);
+ uint32 Work32 = (Registers.A.W << 1) | CheckCarry();
+ ICPU._Carry = Work32 >= 0x10000;
+ Registers.A.W = (uint16) Work32;
+ SetZN16((uint16) Work32);
}
-STATIC inline void A_ROL8 ()
+STATIC inline void A_ROL8()
{
#ifdef VAR_CYCLES
- CPU.Cycles += ONE_CYCLE;
+ CPU.Cycles += ONE_CYCLE;
#endif
- uint16 Work16 = Registers.AL;
- Work16 <<= 1;
- Work16 |= CheckCarry();
- ICPU._Carry = Work16 >= 0x100;
- Registers.AL = (uint8) Work16;
- SetZN8 ((uint8) Work16);
+ uint16 Work16 = Registers.AL;
+ Work16 <<= 1;
+ Work16 |= CheckCarry();
+ ICPU._Carry = Work16 >= 0x100;
+ Registers.AL = (uint8) Work16;
+ SetZN8((uint8) Work16);
}
-STATIC inline void ROL16 ()
+STATIC inline void ROL16()
{
#ifdef VAR_CYCLES
- CPU.Cycles += ONE_CYCLE;
+ CPU.Cycles += ONE_CYCLE;
#endif
- uint32 Work32 = S9xGetWord (OpAddress);
- Work32 <<= 1;
- Work32 |= CheckCarry();
- ICPU._Carry = Work32 >= 0x10000;
- S9xSetWord ((uint16) Work32, OpAddress);
- SetZN16 ((uint16) Work32);
+ uint32 Work32 = S9xGetWord(OpAddress);
+ Work32 <<= 1;
+ Work32 |= CheckCarry();
+ ICPU._Carry = Work32 >= 0x10000;
+ S9xSetWord((uint16) Work32, OpAddress);
+ SetZN16((uint16) Work32);
}
-STATIC inline void ROL8 ()
+STATIC inline void ROL8()
{
#ifdef VAR_CYCLES
- CPU.Cycles += ONE_CYCLE;
+ CPU.Cycles += ONE_CYCLE;
#endif
- uint16 Work16 = S9xGetByte (OpAddress);
- Work16 <<= 1;
- Work16 |= CheckCarry ();
- ICPU._Carry = Work16 >= 0x100;
- S9xSetByte ((uint8) Work16, OpAddress);
- SetZN8 ((uint8) Work16);
+ uint16 Work16 = S9xGetByte(OpAddress);
+ Work16 <<= 1;
+ Work16 |= CheckCarry();
+ ICPU._Carry = Work16 >= 0x100;
+ S9xSetByte((uint8) Work16, OpAddress);
+ SetZN8((uint8) Work16);
}
-STATIC inline void A_ROR16 ()
+STATIC inline void A_ROR16()
{
#ifdef VAR_CYCLES
- CPU.Cycles += ONE_CYCLE;
+ CPU.Cycles += ONE_CYCLE;
#endif
- uint32 Work32 = Registers.A.W;
- Work32 |= (int) CheckCarry() << 16;
- ICPU._Carry = (uint8) (Work32 & 1);
- Work32 >>= 1;
- Registers.A.W = (uint16) Work32;
- SetZN16 ((uint16) Work32);
+ uint32 Work32 = Registers.A.W;
+ Work32 |= (int) CheckCarry() << 16;
+ ICPU._Carry = (uint8)(Work32 & 1);
+ Work32 >>= 1;
+ Registers.A.W = (uint16) Work32;
+ SetZN16((uint16) Work32);
}
-STATIC inline void A_ROR8 ()
+STATIC inline void A_ROR8()
{
#ifdef VAR_CYCLES
- CPU.Cycles += ONE_CYCLE;
+ CPU.Cycles += ONE_CYCLE;
#endif
- uint16 Work16 = Registers.AL | ((uint16) CheckCarry() << 8);
- ICPU._Carry = (uint8) Work16 & 1;
- Work16 >>= 1;
- Registers.AL = (uint8) Work16;
- SetZN8 ((uint8) Work16);
+ uint16 Work16 = Registers.AL | ((uint16) CheckCarry() << 8);
+ ICPU._Carry = (uint8) Work16 & 1;
+ Work16 >>= 1;
+ Registers.AL = (uint8) Work16;
+ SetZN8((uint8) Work16);
}
-STATIC inline void ROR16 ()
+STATIC inline void ROR16()
{
#ifdef VAR_CYCLES
- CPU.Cycles += ONE_CYCLE;
+ CPU.Cycles += ONE_CYCLE;
#endif
- uint32 Work32 = S9xGetWord (OpAddress);
- Work32 |= (int) CheckCarry() << 16;
- ICPU._Carry = (uint8) (Work32 & 1);
- Work32 >>= 1;
- S9xSetWord ((uint16) Work32, OpAddress);
- SetZN16 ((uint16) Work32);
+ uint32 Work32 = S9xGetWord(OpAddress);
+ Work32 |= (int) CheckCarry() << 16;
+ ICPU._Carry = (uint8)(Work32 & 1);
+ Work32 >>= 1;
+ S9xSetWord((uint16) Work32, OpAddress);
+ SetZN16((uint16) Work32);
}
-STATIC inline void ROR8 ()
+STATIC inline void ROR8()
{
#ifdef VAR_CYCLES
- CPU.Cycles += ONE_CYCLE;
-#endif
- uint16 Work16 = S9xGetByte (OpAddress);
- Work16 |= (int) CheckCarry () << 8;
- ICPU._Carry = (uint8) (Work16 & 1);
- Work16 >>= 1;
- S9xSetByte ((uint8) Work16, OpAddress);
- SetZN8 ((uint8) Work16);
-}
-
-STATIC inline void SBC16 ()
-{
- uint16 Work16 = S9xGetWord (OpAddress);
-
- if (CheckDecimal ())
- {
- uint8 A1 = (Registers.A.W) & 0xF;
- uint8 A2 = (Registers.A.W >> 4) & 0xF;
- uint8 A3 = (Registers.A.W >> 8) & 0xF;
- uint8 A4 = (Registers.A.W >> 12) & 0xF;
- uint8 W1 = Work16 & 0xF;
- uint8 W2 = (Work16 >> 4) & 0xF;
- uint8 W3 = (Work16 >> 8) & 0xF;
- uint8 W4 = (Work16 >> 12) & 0xF;
-
- A1 -= W1 + !CheckCarry ();
- A2 -= W2;
- A3 -= W3;
- A4 -= W4;
- if (A1 > 9)
- {
- A1 += 10;
- A2--;
- }
- if (A2 > 9)
- {
- A2 += 10;
- A3--;
- }
- if (A3 > 9)
- {
- A3 += 10;
- A4--;
- }
- if (A4 > 9)
- {
- A4 += 10;
- ClearCarry ();
- }
- else
- {
- SetCarry ();
- }
-
- uint16 Ans16 = (A4 << 12) | (A3 << 8) | (A2 << 4) | (A1);
- if ((Registers.A.W ^ Work16) &
- (Registers.A.W ^ Ans16) & 0x8000)
- SetOverflow();
- else
- ClearOverflow();
- Registers.A.W = Ans16;
- SetZN16 (Registers.A.W);
- }
- else
- {
-
- long s9xInt32 = (long) Registers.A.W - (long) Work16 + (long) CheckCarry() - 1;
-
- ICPU._Carry = s9xInt32 >= 0;
-
- if ((Registers.A.W ^ Work16) &
- (Registers.A.W ^ (uint16) s9xInt32) & 0x8000)
- SetOverflow();
- else
- ClearOverflow ();
- Registers.A.W = (uint16) s9xInt32;
- SetZN16 (Registers.A.W);
- }
+ CPU.Cycles += ONE_CYCLE;
+#endif
+ uint16 Work16 = S9xGetByte(OpAddress);
+ Work16 |= (int) CheckCarry() << 8;
+ ICPU._Carry = (uint8)(Work16 & 1);
+ Work16 >>= 1;
+ S9xSetByte((uint8) Work16, OpAddress);
+ SetZN8((uint8) Work16);
+}
+
+STATIC inline void SBC16()
+{
+ uint16 Work16 = S9xGetWord(OpAddress);
+
+ if (CheckDecimal())
+ {
+ uint8 A1 = (Registers.A.W) & 0xF;
+ uint8 A2 = (Registers.A.W >> 4) & 0xF;
+ uint8 A3 = (Registers.A.W >> 8) & 0xF;
+ uint8 A4 = (Registers.A.W >> 12) & 0xF;
+ uint8 W1 = Work16 & 0xF;
+ uint8 W2 = (Work16 >> 4) & 0xF;
+ uint8 W3 = (Work16 >> 8) & 0xF;
+ uint8 W4 = (Work16 >> 12) & 0xF;
+
+ A1 -= W1 + !CheckCarry();
+ A2 -= W2;
+ A3 -= W3;
+ A4 -= W4;
+ if (A1 > 9)
+ {
+ A1 += 10;
+ A2--;
+ }
+ if (A2 > 9)
+ {
+ A2 += 10;
+ A3--;
+ }
+ if (A3 > 9)
+ {
+ A3 += 10;
+ A4--;
+ }
+ if (A4 > 9)
+ {
+ A4 += 10;
+ ClearCarry();
+ }
+ else
+ SetCarry();
+
+ uint16 Ans16 = (A4 << 12) | (A3 << 8) | (A2 << 4) | (A1);
+ if ((Registers.A.W ^ Work16) &
+ (Registers.A.W ^ Ans16) & 0x8000)
+ SetOverflow();
+ else
+ ClearOverflow();
+ Registers.A.W = Ans16;
+ SetZN16(Registers.A.W);
+ }
+ else
+ {
+
+ long s9xInt32 = (long) Registers.A.W - (long) Work16 + (long) CheckCarry() - 1;
+
+ ICPU._Carry = s9xInt32 >= 0;
+
+ if ((Registers.A.W ^ Work16) &
+ (Registers.A.W ^ (uint16) s9xInt32) & 0x8000)
+ SetOverflow();
+ else
+ ClearOverflow();
+ Registers.A.W = (uint16) s9xInt32;
+ SetZN16(Registers.A.W);
+ }
}
-STATIC inline void SBC8 ()
+STATIC inline void SBC8()
{
- uint8 Work8 = S9xGetByte (OpAddress);
- if (CheckDecimal ())
- {
- uint8 A1 = (Registers.A.W) & 0xF;
- uint8 A2 = (Registers.A.W >> 4) & 0xF;
- uint8 W1 = Work8 & 0xF;
- uint8 W2 = (Work8 >> 4) & 0xF;
+ uint8 Work8 = S9xGetByte(OpAddress);
+ if (CheckDecimal())
+ {
+ uint8 A1 = (Registers.A.W) & 0xF;
+ uint8 A2 = (Registers.A.W >> 4) & 0xF;
+ uint8 W1 = Work8 & 0xF;
+ uint8 W2 = (Work8 >> 4) & 0xF;
- A1 -= W1 + !CheckCarry ();
- A2 -= W2;
- if (A1 > 9)
- {
- A1 += 10;
- A2--;
- }
- if (A2 > 9)
- {
- A2 += 10;
- ClearCarry ();
- }
- else
- {
- SetCarry ();
- }
+ A1 -= W1 + !CheckCarry();
+ A2 -= W2;
+ if (A1 > 9)
+ {
+ A1 += 10;
+ A2--;
+ }
+ if (A2 > 9)
+ {
+ A2 += 10;
+ ClearCarry();
+ }
+ else
+ SetCarry();
- uint8 Ans8 = (A2 << 4) | A1;
- if ((Registers.AL ^ Work8) &
- (Registers.AL ^ Ans8) & 0x80)
- SetOverflow ();
- else
- ClearOverflow ();
- Registers.AL = Ans8;
- SetZN8 (Registers.AL);
- }
- else
- {
- short s9xInt16 = (short) Registers.AL - (short) Work8 + (short) CheckCarry() - 1;
+ uint8 Ans8 = (A2 << 4) | A1;
+ if ((Registers.AL ^ Work8) &
+ (Registers.AL ^ Ans8) & 0x80)
+ SetOverflow();
+ else
+ ClearOverflow();
+ Registers.AL = Ans8;
+ SetZN8(Registers.AL);
+ }
+ else
+ {
+ short s9xInt16 = (short) Registers.AL - (short) Work8 + (short) CheckCarry() - 1;
- ICPU._Carry = s9xInt16 >= 0;
- if ((Registers.AL ^ Work8) &
- (Registers.AL ^ (uint8) s9xInt16) & 0x80)
- SetOverflow ();
- else
- ClearOverflow ();
- Registers.AL = (uint8) s9xInt16;
- SetZN8 (Registers.AL);
- }
+ ICPU._Carry = s9xInt16 >= 0;
+ if ((Registers.AL ^ Work8) &
+ (Registers.AL ^ (uint8) s9xInt16) & 0x80)
+ SetOverflow();
+ else
+ ClearOverflow();
+ Registers.AL = (uint8) s9xInt16;
+ SetZN8(Registers.AL);
+ }
}
-STATIC inline void STA16 ()
+STATIC inline void STA16()
{
- S9xSetWord (Registers.A.W, OpAddress);
+ S9xSetWord(Registers.A.W, OpAddress);
}
-STATIC inline void STA8 ()
+STATIC inline void STA8()
{
- S9xSetByte (Registers.AL, OpAddress);
+ S9xSetByte(Registers.AL, OpAddress);
}
-STATIC inline void STX16 ()
+STATIC inline void STX16()
{
- S9xSetWord (Registers.X.W, OpAddress);
+ S9xSetWord(Registers.X.W, OpAddress);
}
-STATIC inline void STX8 ()
+STATIC inline void STX8()
{
- S9xSetByte (Registers.XL, OpAddress);
+ S9xSetByte(Registers.XL, OpAddress);
}
-STATIC inline void STY16 ()
+STATIC inline void STY16()
{
- S9xSetWord (Registers.Y.W, OpAddress);
+ S9xSetWord(Registers.Y.W, OpAddress);
}
-STATIC inline void STY8 ()
+STATIC inline void STY8()
{
- S9xSetByte (Registers.YL, OpAddress);
+ S9xSetByte(Registers.YL, OpAddress);
}
-STATIC inline void STZ16 ()
+STATIC inline void STZ16()
{
- S9xSetWord (0, OpAddress);
+ S9xSetWord(0, OpAddress);
}
-STATIC inline void STZ8 ()
+STATIC inline void STZ8()
{
- S9xSetByte (0, OpAddress);
+ S9xSetByte(0, OpAddress);
}
-STATIC inline void TSB16 ()
+STATIC inline void TSB16()
{
#ifdef VAR_CYCLES
- CPU.Cycles += ONE_CYCLE;
+ CPU.Cycles += ONE_CYCLE;
#endif
- uint16 Work16 = S9xGetWord (OpAddress);
- ICPU._Zero = (Work16 & Registers.A.W) != 0;
- Work16 |= Registers.A.W;
- S9xSetWord (Work16, OpAddress);
+ uint16 Work16 = S9xGetWord(OpAddress);
+ ICPU._Zero = (Work16 & Registers.A.W) != 0;
+ Work16 |= Registers.A.W;
+ S9xSetWord(Work16, OpAddress);
}
-STATIC inline void TSB8 ()
+STATIC inline void TSB8()
{
#ifdef VAR_CYCLES
- CPU.Cycles += ONE_CYCLE;
+ CPU.Cycles += ONE_CYCLE;
#endif
- uint8 Work8 = S9xGetByte (OpAddress);
- ICPU._Zero = Work8 & Registers.AL;
- Work8 |= Registers.AL;
- S9xSetByte (Work8, OpAddress);
+ uint8 Work8 = S9xGetByte(OpAddress);
+ ICPU._Zero = Work8 & Registers.AL;
+ Work8 |= Registers.AL;
+ S9xSetByte(Work8, OpAddress);
}
-STATIC inline void TRB16 ()
+STATIC inline void TRB16()
{
#ifdef VAR_CYCLES
- CPU.Cycles += ONE_CYCLE;
+ CPU.Cycles += ONE_CYCLE;
#endif
- uint16 Work16 = S9xGetWord (OpAddress);
- ICPU._Zero = (Work16 & Registers.A.W) != 0;
- Work16 &= ~Registers.A.W;
- S9xSetWord (Work16, OpAddress);
+ uint16 Work16 = S9xGetWord(OpAddress);
+ ICPU._Zero = (Work16 & Registers.A.W) != 0;
+ Work16 &= ~Registers.A.W;
+ S9xSetWord(Work16, OpAddress);
}
-STATIC inline void TRB8 ()
+STATIC inline void TRB8()
{
#ifdef VAR_CYCLES
- CPU.Cycles += ONE_CYCLE;
+ CPU.Cycles += ONE_CYCLE;
#endif
- uint8 Work8 = S9xGetByte (OpAddress);
- ICPU._Zero = Work8 & Registers.AL;
- Work8 &= ~Registers.AL;
- S9xSetByte (Work8, OpAddress);
+ uint8 Work8 = S9xGetByte(OpAddress);
+ ICPU._Zero = Work8 & Registers.AL;
+ Work8 &= ~Registers.AL;
+ S9xSetByte(Work8, OpAddress);
}
#endif
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