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https://github.com/cc65/cc65.git
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style changes
This commit is contained in:
IrgendwerA8
parent
0985655ac7
commit
ad003e5991
122
src/sim65/6502.c
122
src/sim65/6502.c
@ -215,7 +215,9 @@ int PrintCycles;
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ZPAddr = MemReadByte (Regs.PC+1); \
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Addr = MemReadZPWord (ZPAddr); \
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if (PAGE_CROSS (Addr, Regs.YR)) \
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{ \
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++Cycles; \
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} \
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Addr += Regs.YR; \
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Regs.AC = Regs.AC op MemReadByte (Addr); \
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TEST_ZF (Regs.AC); \
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@ -257,8 +259,10 @@ int PrintCycles;
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} \
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TEST_CF (Regs.AC); \
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SET_OF ((res < -128) || (res > 127)); \
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if (CPU!=CPU_6502) \
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if (CPU != CPU_6502) \
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{ \
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++Cycles; \
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} \
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} else { \
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Regs.AC += rhs + GET_CF (); \
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TEST_ZF (Regs.AC); \
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@ -338,8 +342,10 @@ int PrintCycles;
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TEST_SF (res); \
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SET_CF (res <= 0xFF); \
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SET_OF (((old^rhs) & (old^res) & 0x80)); \
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if (CPU!=CPU_6502) \
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if (CPU != CPU_6502) \
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{ \
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++Cycles; \
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} \
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} else { \
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Regs.AC -= rhs + (!GET_CF ()); \
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TEST_ZF (Regs.AC); \
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@ -396,7 +402,7 @@ static void OPC_65SC02_04 (void)
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unsigned char Val;
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Cycles = 5;
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ZPAddr = MemReadByte (Regs.PC+1);
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Val = MemReadByte (ZPAddr);
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Val = MemReadByte (ZPAddr);
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SET_ZF ((Val & Regs.AC) == 0);
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MemWriteByte (ZPAddr, (unsigned char)(Val | Regs.AC));
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Regs.PC += 2;
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@ -419,7 +425,7 @@ static void OPC_6502_06 (void)
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unsigned Val;
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Cycles = 5;
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ZPAddr = MemReadByte (Regs.PC+1);
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Val = MemReadByte (ZPAddr) << 1;
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Val = MemReadByte (ZPAddr) << 1;
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MemWriteByte (ZPAddr, (unsigned char) Val);
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TEST_ZF (Val & 0xFF);
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TEST_SF (Val);
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@ -468,7 +474,7 @@ static void OPC_65SC02_0C (void)
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unsigned char Val;
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Cycles = 6;
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Addr = MemReadByte (Regs.PC+1);
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Val = MemReadByte (Addr);
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Val = MemReadByte (Addr);
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SET_ZF ((Val & Regs.AC) == 0);
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MemWriteByte (Addr, (unsigned char) (Val | Regs.AC));
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Regs.PC += 3;
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@ -491,7 +497,7 @@ static void OPC_6502_0E (void)
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unsigned Val;
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Cycles = 6;
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Addr = MemReadWord (Regs.PC+1);
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Val = MemReadByte (Addr) << 1;
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Val = MemReadByte (Addr) << 1;
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MemWriteByte (Addr, (unsigned char) Val);
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TEST_ZF (Val & 0xFF);
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TEST_SF (Val);
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@ -532,7 +538,7 @@ static void OPC_65SC02_14 (void)
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unsigned char Val;
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Cycles = 5;
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ZPAddr = MemReadByte (Regs.PC+1);
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Val = MemReadByte (ZPAddr);
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Val = MemReadByte (ZPAddr);
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SET_ZF ((Val & Regs.AC) == 0);
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MemWriteByte (ZPAddr, (unsigned char)(Val & ~Regs.AC));
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Regs.PC += 2;
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@ -555,7 +561,7 @@ static void OPC_6502_16 (void)
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unsigned Val;
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Cycles = 6;
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ZPAddr = MemReadByte (Regs.PC+1) + Regs.XR;
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Val = MemReadByte (ZPAddr) << 1;
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Val = MemReadByte (ZPAddr) << 1;
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MemWriteByte (ZPAddr, (unsigned char) Val);
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TEST_ZF (Val & 0xFF);
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TEST_SF (Val);
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@ -602,7 +608,7 @@ static void OPC_65SC02_1C (void)
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unsigned char Val;
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Cycles = 6;
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Addr = MemReadByte (Regs.PC+1);
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Val = MemReadByte (Addr);
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Val = MemReadByte (Addr);
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SET_ZF ((Val & Regs.AC) == 0);
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MemWriteByte (Addr, (unsigned char) (Val & ~Regs.AC));
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Regs.PC += 3;
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@ -625,7 +631,7 @@ static void OPC_6502_1E (void)
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unsigned Val;
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Cycles = 7;
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Addr = MemReadWord (Regs.PC+1) + Regs.XR;
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Val = MemReadByte (Addr) << 1;
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Val = MemReadByte (Addr) << 1;
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MemWriteByte (Addr, (unsigned char) Val);
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TEST_ZF (Val & 0xFF);
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TEST_SF (Val);
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@ -640,7 +646,7 @@ static void OPC_6502_20 (void)
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{
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unsigned Addr;
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Cycles = 6;
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Addr = MemReadWord (Regs.PC+1);
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Addr = MemReadWord (Regs.PC+1);
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Regs.PC += 2;
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PUSH (PCH);
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PUSH (PCL);
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@ -666,7 +672,7 @@ static void OPC_6502_24 (void)
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unsigned char Val;
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Cycles = 3;
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ZPAddr = MemReadByte (Regs.PC+1);
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Val = MemReadByte (ZPAddr);
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Val = MemReadByte (ZPAddr);
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SET_SF (Val & 0x80);
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SET_OF (Val & 0x40);
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SET_ZF ((Val & Regs.AC) == 0);
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@ -690,7 +696,7 @@ static void OPC_6502_26 (void)
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unsigned Val;
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Cycles = 5;
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ZPAddr = MemReadByte (Regs.PC+1);
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Val = MemReadByte (ZPAddr);
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Val = MemReadByte (ZPAddr);
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ROL (Val);
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MemWriteByte (ZPAddr, Val);
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Regs.PC += 2;
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@ -734,7 +740,7 @@ static void OPC_6502_2C (void)
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unsigned char Val;
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Cycles = 4;
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Addr = MemReadByte (Regs.PC+1);
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Val = MemReadByte (Addr);
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Val = MemReadByte (Addr);
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SET_SF (Val & 0x80);
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SET_OF (Val & 0x40);
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SET_ZF ((Val & Regs.AC) == 0);
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@ -758,7 +764,7 @@ static void OPC_6502_2E (void)
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unsigned Val;
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Cycles = 6;
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Addr = MemReadWord (Regs.PC+1);
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Val = MemReadByte (Addr);
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Val = MemReadByte (Addr);
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ROL (Val);
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MemWriteByte (Addr, Val);
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Regs.PC += 3;
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@ -797,7 +803,7 @@ static void OPC_65SC02_34 (void)
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unsigned char Val;
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Cycles = 4;
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ZPAddr = MemReadByte (Regs.PC+1) + Regs.XR;
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Val = MemReadByte (ZPAddr);
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Val = MemReadByte (ZPAddr);
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SET_SF (Val & 0x80);
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SET_OF (Val & 0x40);
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SET_ZF ((Val & Regs.AC) == 0);
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@ -821,7 +827,7 @@ static void OPC_6502_36 (void)
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unsigned Val;
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Cycles = 6;
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ZPAddr = MemReadByte (Regs.PC+1) + Regs.XR;
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Val = MemReadByte (ZPAddr);
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Val = MemReadByte (ZPAddr);
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ROL (Val);
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MemWriteByte (ZPAddr, Val);
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Regs.PC += 2;
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@ -892,7 +898,7 @@ static void OPC_6502_3E (void)
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unsigned Val;
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Cycles = 7;
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Addr = MemReadWord (Regs.PC+1) + Regs.XR;
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Val = MemReadByte (Addr);
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Val = MemReadByte (Addr);
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ROL (Val);
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MemWriteByte (Addr, Val);
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Regs.PC += 2;
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@ -943,7 +949,7 @@ static void OPC_6502_46 (void)
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unsigned char Val;
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Cycles = 5;
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ZPAddr = MemReadByte (Regs.PC+1);
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Val = MemReadByte (ZPAddr);
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Val = MemReadByte (ZPAddr);
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SET_CF (Val & 0x01);
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Val >>= 1;
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MemWriteByte (ZPAddr, Val);
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@ -1011,7 +1017,7 @@ static void OPC_6502_4E (void)
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unsigned char Val;
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Cycles = 6;
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Addr = MemReadWord (Regs.PC+1);
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Val = MemReadByte (Addr);
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Val = MemReadByte (Addr);
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SET_CF (Val & 0x01);
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Val >>= 1;
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MemWriteByte (Addr, Val);
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@ -1061,7 +1067,7 @@ static void OPC_6502_56 (void)
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unsigned char Val;
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Cycles = 6;
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ZPAddr = MemReadByte (Regs.PC+1) + Regs.XR;
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Val = MemReadByte (ZPAddr);
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Val = MemReadByte (ZPAddr);
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SET_CF (Val & 0x01);
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Val >>= 1;
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MemWriteByte (ZPAddr, Val);
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@ -1124,7 +1130,7 @@ static void OPC_6502_5E (void)
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unsigned char Val;
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Cycles = 7;
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Addr = MemReadWord (Regs.PC+1) + Regs.XR;
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Val = MemReadByte (Addr);
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Val = MemReadByte (Addr);
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SET_CF (Val & 0x01);
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Val >>= 1;
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MemWriteByte (Addr, Val);
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@ -1153,7 +1159,7 @@ static void OPC_6502_61 (void)
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unsigned Addr;
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Cycles = 6;
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ZPAddr = MemReadByte (Regs.PC+1) + Regs.XR;
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Addr = MemReadZPWord (ZPAddr);
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Addr = MemReadZPWord (ZPAddr);
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ADC (MemReadByte (Addr));
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Regs.PC += 2;
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}
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@ -1191,7 +1197,7 @@ static void OPC_6502_66 (void)
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unsigned Val;
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Cycles = 5;
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ZPAddr = MemReadByte (Regs.PC+1);
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Val = MemReadByte (ZPAddr);
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Val = MemReadByte (ZPAddr);
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ROR (Val);
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MemWriteByte (ZPAddr, Val);
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Regs.PC += 2;
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@ -1238,7 +1244,7 @@ static void OPC_6502_6C (void)
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PC = Regs.PC;
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Lo = MemReadWord (PC+1);
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if (CPU==CPU_6502)
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if (CPU == CPU_6502)
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{
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/* Emulate the 6502 bug */
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Cycles = 5;
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@ -1369,7 +1375,7 @@ static void OPC_6502_76 (void)
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unsigned Val;
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Cycles = 6;
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ZPAddr = MemReadByte (Regs.PC+1) + Regs.XR;
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Val = MemReadByte (ZPAddr);
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Val = MemReadByte (ZPAddr);
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ROR (Val);
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MemWriteByte (ZPAddr, Val);
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Regs.PC += 2;
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@ -1392,7 +1398,7 @@ static void OPC_6502_79 (void)
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{
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unsigned Addr;
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Cycles = 4;
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Addr = MemReadWord (Regs.PC+1);
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Addr = MemReadWord (Regs.PC+1);
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if (PAGE_CROSS (Addr, Regs.YR)) {
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++Cycles;
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}
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@ -1431,7 +1437,7 @@ static void OPC_6502_7D (void)
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{
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unsigned Addr;
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Cycles = 4;
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Addr = MemReadWord (Regs.PC+1);
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Addr = MemReadWord (Regs.PC+1);
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if (PAGE_CROSS (Addr, Regs.XR)) {
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++Cycles;
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}
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@ -1448,7 +1454,7 @@ static void OPC_6502_7E (void)
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unsigned Val;
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Cycles = 7;
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Addr = MemReadWord (Regs.PC+1) + Regs.XR;
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Val = MemReadByte (Addr);
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Val = MemReadByte (Addr);
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ROR (Val);
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MemWriteByte (Addr, Val);
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Regs.PC += 3;
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@ -1471,7 +1477,7 @@ static void OPC_6502_81 (void)
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unsigned Addr;
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Cycles = 6;
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ZPAddr = MemReadByte (Regs.PC+1) + Regs.XR;
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Addr = MemReadZPWord (ZPAddr);
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Addr = MemReadZPWord (ZPAddr);
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MemWriteByte (Addr, Regs.AC);
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Regs.PC += 2;
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}
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@ -1531,7 +1537,7 @@ static void OPC_65SC02_89 (void)
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{
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unsigned char Val;
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Cycles = 2;
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Val = MemReadByte (Regs.PC+1);
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Val = MemReadByte (Regs.PC+1);
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SET_SF (Val & 0x80);
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SET_OF (Val & 0x40);
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SET_ZF ((Val & Regs.AC) == 0);
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@ -1603,7 +1609,7 @@ static void OPC_6502_91 (void)
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unsigned Addr;
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Cycles = 6;
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ZPAddr = MemReadByte (Regs.PC+1);
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Addr = MemReadZPWord (ZPAddr) + Regs.YR;
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Addr = MemReadZPWord (ZPAddr) + Regs.YR;
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MemWriteByte (Addr, Regs.AC);
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Regs.PC += 2;
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}
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@ -1617,7 +1623,7 @@ static void OPC_65SC02_92 (void)
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unsigned Addr;
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Cycles = 5;
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ZPAddr = MemReadByte (Regs.PC+1);
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Addr = MemReadZPWord (ZPAddr);
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Addr = MemReadZPWord (ZPAddr);
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MemWriteByte (Addr, Regs.AC);
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Regs.PC += 2;
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}
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@ -1677,7 +1683,7 @@ static void OPC_6502_99 (void)
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{
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unsigned Addr;
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Cycles = 5;
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Addr = MemReadWord (Regs.PC+1) + Regs.YR;
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Addr = MemReadWord (Regs.PC+1) + Regs.YR;
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MemWriteByte (Addr, Regs.AC);
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Regs.PC += 3;
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}
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@ -1711,7 +1717,7 @@ static void OPC_6502_9D (void)
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{
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unsigned Addr;
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Cycles = 5;
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Addr = MemReadWord (Regs.PC+1) + Regs.XR;
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Addr = MemReadWord (Regs.PC+1) + Regs.XR;
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MemWriteByte (Addr, Regs.AC);
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Regs.PC += 3;
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}
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@ -1723,7 +1729,7 @@ static void OPC_65SC02_9E (void)
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{
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unsigned Addr;
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Cycles = 5;
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Addr = MemReadWord (Regs.PC+1) + Regs.XR;
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Addr = MemReadWord (Regs.PC+1) + Regs.XR;
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MemWriteByte (Addr, 0);
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Regs.PC += 3;
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}
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@ -1853,7 +1859,7 @@ static void OPC_6502_AC (void)
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{
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unsigned Addr;
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Cycles = 4;
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Addr = MemReadWord (Regs.PC+1);
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Addr = MemReadWord (Regs.PC+1);
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Regs.YR = MemReadByte (Addr);
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TEST_ZF (Regs.YR);
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TEST_SF (Regs.YR);
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@ -1867,7 +1873,7 @@ static void OPC_6502_AD (void)
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{
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unsigned Addr;
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Cycles = 4;
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Addr = MemReadWord (Regs.PC+1);
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Addr = MemReadWord (Regs.PC+1);
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Regs.AC = MemReadByte (Addr);
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TEST_ZF (Regs.AC);
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TEST_SF (Regs.AC);
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@ -1881,7 +1887,7 @@ static void OPC_6502_AE (void)
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{
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unsigned Addr;
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Cycles = 4;
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Addr = MemReadWord (Regs.PC+1);
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Addr = MemReadWord (Regs.PC+1);
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Regs.XR = MemReadByte (Addr);
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TEST_ZF (Regs.XR);
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TEST_SF (Regs.XR);
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@ -1905,7 +1911,7 @@ static void OPC_6502_B1 (void)
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unsigned Addr;
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Cycles = 5;
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ZPAddr = MemReadByte (Regs.PC+1);
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Addr = MemReadZPWord (ZPAddr);
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Addr = MemReadZPWord (ZPAddr);
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if (PAGE_CROSS (Addr, Regs.YR)) {
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++Cycles;
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}
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@ -1924,7 +1930,7 @@ static void OPC_65SC02_B2 (void)
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unsigned Addr;
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Cycles = 5;
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ZPAddr = MemReadByte (Regs.PC+1);
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Addr = MemReadZPWord (ZPAddr);
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Addr = MemReadZPWord (ZPAddr);
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Regs.AC = MemReadByte (Addr);
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TEST_ZF (Regs.AC);
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TEST_SF (Regs.AC);
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@ -2082,7 +2088,7 @@ static void OPC_6502_C1 (void)
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unsigned Addr;
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Cycles = 6;
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ZPAddr = MemReadByte (Regs.PC+1) + Regs.XR;
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Addr = MemReadZPWord (ZPAddr);
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Addr = MemReadZPWord (ZPAddr);
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CMP (Regs.AC, MemReadByte (Addr));
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Regs.PC += 2;
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}
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@ -2120,7 +2126,7 @@ static void OPC_6502_C6 (void)
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unsigned char Val;
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Cycles = 5;
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ZPAddr = MemReadByte (Regs.PC+1);
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Val = MemReadByte (ZPAddr) - 1;
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Val = MemReadByte (ZPAddr) - 1;
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MemWriteByte (ZPAddr, Val);
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TEST_ZF (Val);
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TEST_SF (Val);
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@ -2168,7 +2174,7 @@ static void OPC_6502_CC (void)
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{
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unsigned Addr;
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Cycles = 4;
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Addr = MemReadWord (Regs.PC+1);
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Addr = MemReadWord (Regs.PC+1);
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CMP (Regs.YR, MemReadByte (Addr));
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Regs.PC += 3;
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}
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@ -2180,7 +2186,7 @@ static void OPC_6502_CD (void)
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{
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unsigned Addr;
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Cycles = 4;
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Addr = MemReadWord (Regs.PC+1);
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Addr = MemReadWord (Regs.PC+1);
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CMP (Regs.AC, MemReadByte (Addr));
|
||||
Regs.PC += 3;
|
||||
}
|
||||
@ -2218,7 +2224,7 @@ static void OPC_6502_D1 (void)
|
||||
unsigned Addr;
|
||||
Cycles = 5;
|
||||
ZPAddr = MemReadByte (Regs.PC+1);
|
||||
Addr = MemReadWord (ZPAddr);
|
||||
Addr = MemReadWord (ZPAddr);
|
||||
if (PAGE_CROSS (Addr, Regs.YR)) {
|
||||
++Cycles;
|
||||
}
|
||||
@ -2235,7 +2241,7 @@ static void OPC_65SC02_D2 (void)
|
||||
unsigned Addr;
|
||||
Cycles = 5;
|
||||
ZPAddr = MemReadByte (Regs.PC+1);
|
||||
Addr = MemReadWord (ZPAddr);
|
||||
Addr = MemReadWord (ZPAddr);
|
||||
CMP (Regs.AC, MemReadByte (Addr));
|
||||
Regs.PC += 2;
|
||||
}
|
||||
@ -2327,7 +2333,7 @@ static void OPC_6502_DE (void)
|
||||
unsigned char Val;
|
||||
Cycles = 7;
|
||||
Addr = MemReadWord (Regs.PC+1) + Regs.XR;
|
||||
Val = MemReadByte (Addr) - 1;
|
||||
Val = MemReadByte (Addr) - 1;
|
||||
MemWriteByte (Addr, Val);
|
||||
TEST_ZF (Val);
|
||||
TEST_SF (Val);
|
||||
@ -2353,7 +2359,7 @@ static void OPC_6502_E1 (void)
|
||||
unsigned Addr;
|
||||
Cycles = 6;
|
||||
ZPAddr = MemReadByte (Regs.PC+1) + Regs.XR;
|
||||
Addr = MemReadZPWord (ZPAddr);
|
||||
Addr = MemReadZPWord (ZPAddr);
|
||||
SBC (MemReadByte (Addr));
|
||||
Regs.PC += 2;
|
||||
}
|
||||
@ -2391,7 +2397,7 @@ static void OPC_6502_E6 (void)
|
||||
unsigned char Val;
|
||||
Cycles = 5;
|
||||
ZPAddr = MemReadByte (Regs.PC+1);
|
||||
Val = MemReadByte (ZPAddr) + 1;
|
||||
Val = MemReadByte (ZPAddr) + 1;
|
||||
MemWriteByte (ZPAddr, Val);
|
||||
TEST_ZF (Val);
|
||||
TEST_SF (Val);
|
||||
@ -2485,7 +2491,7 @@ static void OPC_6502_ED (void)
|
||||
{
|
||||
unsigned Addr;
|
||||
Cycles = 4;
|
||||
Addr = MemReadWord (Regs.PC+1);
|
||||
Addr = MemReadWord (Regs.PC+1);
|
||||
SBC (MemReadByte (Addr));
|
||||
Regs.PC += 3;
|
||||
}
|
||||
@ -2499,7 +2505,7 @@ static void OPC_6502_EE (void)
|
||||
unsigned char Val;
|
||||
Cycles = 6;
|
||||
Addr = MemReadWord (Regs.PC+1);
|
||||
Val = MemReadByte (Addr) + 1;
|
||||
Val = MemReadByte (Addr) + 1;
|
||||
MemWriteByte (Addr, Val);
|
||||
TEST_ZF (Val);
|
||||
TEST_SF (Val);
|
||||
@ -2523,7 +2529,7 @@ static void OPC_6502_F1 (void)
|
||||
unsigned Addr;
|
||||
Cycles = 5;
|
||||
ZPAddr = MemReadByte (Regs.PC+1);
|
||||
Addr = MemReadZPWord (ZPAddr);
|
||||
Addr = MemReadZPWord (ZPAddr);
|
||||
if (PAGE_CROSS (Addr, Regs.YR)) {
|
||||
++Cycles;
|
||||
}
|
||||
@ -2540,7 +2546,7 @@ static void OPC_65SC02_F2 (void)
|
||||
unsigned Addr;
|
||||
Cycles = 5;
|
||||
ZPAddr = MemReadByte (Regs.PC+1);
|
||||
Addr = MemReadZPWord (ZPAddr);
|
||||
Addr = MemReadZPWord (ZPAddr);
|
||||
SBC (MemReadByte (Addr));
|
||||
Regs.PC += 2;
|
||||
}
|
||||
@ -2566,7 +2572,7 @@ static void OPC_6502_F6 (void)
|
||||
unsigned char Val;
|
||||
Cycles = 6;
|
||||
ZPAddr = MemReadByte (Regs.PC+1) + Regs.XR;
|
||||
Val = MemReadByte (ZPAddr) + 1;
|
||||
Val = MemReadByte (ZPAddr) + 1;
|
||||
MemWriteByte (ZPAddr, Val);
|
||||
TEST_ZF (Val);
|
||||
TEST_SF (Val);
|
||||
@ -2588,7 +2594,7 @@ static void OPC_6502_F9 (void)
|
||||
{
|
||||
unsigned Addr;
|
||||
Cycles = 4;
|
||||
Addr = MemReadWord (Regs.PC+1);
|
||||
Addr = MemReadWord (Regs.PC+1);
|
||||
if (PAGE_CROSS (Addr, Regs.YR)) {
|
||||
++Cycles;
|
||||
}
|
||||
@ -2615,7 +2621,7 @@ static void OPC_6502_FD (void)
|
||||
{
|
||||
unsigned Addr;
|
||||
Cycles = 4;
|
||||
Addr = MemReadWord (Regs.PC+1);
|
||||
Addr = MemReadWord (Regs.PC+1);
|
||||
if (PAGE_CROSS (Addr, Regs.XR)) {
|
||||
++Cycles;
|
||||
}
|
||||
@ -2632,7 +2638,7 @@ static void OPC_6502_FE (void)
|
||||
unsigned char Val;
|
||||
Cycles = 7;
|
||||
Addr = MemReadWord (Regs.PC+1) + Regs.XR;
|
||||
Val = MemReadByte (Addr) + 1;
|
||||
Val = MemReadByte (Addr) + 1;
|
||||
MemWriteByte (Addr, Val);
|
||||
TEST_ZF (Val);
|
||||
TEST_SF (Val);
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user