/* PR tree-optimization/34046 */
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/* PR tree-optimization/34046 */
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/* Origin: dcb <dcb314@hotmail.com> */
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/* Origin: dcb <dcb314@hotmail.com> */
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typedef unsigned char bool8;
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typedef unsigned char bool8;
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typedef unsigned char uint8_t;
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typedef unsigned char uint8_t;
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typedef unsigned short int uint16_t;
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typedef unsigned short int uint16_t;
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typedef unsigned int uint32_t;
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typedef unsigned int uint32_t;
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typedef uint8_t uint8;
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typedef uint8_t uint8;
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typedef uint16_t uint16;
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typedef uint16_t uint16;
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typedef uint32_t uint32;
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typedef uint32_t uint32;
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struct SIAPU
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struct SIAPU
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{
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{
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uint8 *PC;
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uint8 *PC;
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uint8 *RAM;
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uint8 *RAM;
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uint8 Bit;
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uint8 Bit;
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uint32 Address;
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uint32 Address;
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uint8 *WaitAddress1;
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uint8 *WaitAddress1;
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uint8 *WaitAddress2;
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uint8 *WaitAddress2;
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uint8 _Carry;
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uint8 _Carry;
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};
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};
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struct SAPU
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struct SAPU
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{
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{
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bool8 ShowROM;
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bool8 ShowROM;
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uint8 OutPorts [4];
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uint8 OutPorts [4];
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uint8 ExtraRAM [64];
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uint8 ExtraRAM [64];
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uint16 TimerTarget [3];
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uint16 TimerTarget [3];
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};
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};
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struct SAPU APU;
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struct SAPU APU;
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struct SIAPU IAPU;
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struct SIAPU IAPU;
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void S9xSetAPUControl (uint8 byte);
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void S9xSetAPUControl (uint8 byte);
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void S9xSetAPUDSP (uint8 byte);
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void S9xSetAPUDSP (uint8 byte);
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uint8 S9xGetAPUDSP ();
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uint8 S9xGetAPUDSP ();
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uint8 S9xAPUGetByte (uint32 Address)
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uint8 S9xAPUGetByte (uint32 Address)
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{
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{
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Address &= 0xffff;
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Address &= 0xffff;
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if (Address <= 0xff && Address >= 0xf0)
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if (Address <= 0xff && Address >= 0xf0)
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{
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{
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if (Address >= 0xf4 && Address <= 0xf7)
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if (Address >= 0xf4 && Address <= 0xf7)
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{
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{
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IAPU.WaitAddress2 = IAPU.WaitAddress1;
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IAPU.WaitAddress2 = IAPU.WaitAddress1;
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IAPU.WaitAddress1 = IAPU.PC;
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IAPU.WaitAddress1 = IAPU.PC;
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return (IAPU.RAM [Address]);
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return (IAPU.RAM [Address]);
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}
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}
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else if (Address == 0xf3)
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else if (Address == 0xf3)
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return (S9xGetAPUDSP ());
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return (S9xGetAPUDSP ());
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if (Address >= 0xfd)
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if (Address >= 0xfd)
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{
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{
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IAPU.WaitAddress2 = IAPU.WaitAddress1;
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IAPU.WaitAddress2 = IAPU.WaitAddress1;
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IAPU.WaitAddress1 = IAPU.PC;
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IAPU.WaitAddress1 = IAPU.PC;
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uint8 t = IAPU.RAM [Address];
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uint8 t = IAPU.RAM [Address];
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IAPU.RAM [Address] = 0;
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IAPU.RAM [Address] = 0;
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return (t);
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return (t);
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}
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}
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return (IAPU.RAM [Address]);
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return (IAPU.RAM [Address]);
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}
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}
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else
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else
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return (IAPU.RAM [Address]);
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return (IAPU.RAM [Address]);
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}
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}
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void S9xAPUSetByte (uint8 byte, uint32 Address)
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void S9xAPUSetByte (uint8 byte, uint32 Address)
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{
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{
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Address &= 0xffff;
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Address &= 0xffff;
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if (Address <= 0xff && Address >= 0xf0)
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if (Address <= 0xff && Address >= 0xf0)
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{
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{
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if (Address == 0xf3)
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if (Address == 0xf3)
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S9xSetAPUDSP (byte);
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S9xSetAPUDSP (byte);
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else if (Address >= 0xf4 && Address <= 0xf7)
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else if (Address >= 0xf4 && Address <= 0xf7)
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APU.OutPorts [Address - 0xf4] = byte;
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APU.OutPorts [Address - 0xf4] = byte;
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else if (Address == 0xf1)
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else if (Address == 0xf1)
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S9xSetAPUControl (byte);
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S9xSetAPUControl (byte);
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else if (Address < 0xfd)
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else if (Address < 0xfd)
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{
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{
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IAPU.RAM [Address] = byte;
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IAPU.RAM [Address] = byte;
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if (Address >= 0xfa)
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if (Address >= 0xfa)
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{
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{
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if (byte == 0)
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if (byte == 0)
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APU.TimerTarget [Address - 0xfa] = 0x100;
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APU.TimerTarget [Address - 0xfa] = 0x100;
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else
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else
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APU.TimerTarget [Address - 0xfa] = byte;
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APU.TimerTarget [Address - 0xfa] = byte;
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}
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}
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}
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}
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}
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}
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else
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else
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{
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{
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if (Address < 0xffc0)
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if (Address < 0xffc0)
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IAPU.RAM [Address] = byte;
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IAPU.RAM [Address] = byte;
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else
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else
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{
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{
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APU.ExtraRAM [Address - 0xffc0] = byte;
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APU.ExtraRAM [Address - 0xffc0] = byte;
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if (!APU.ShowROM)
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if (!APU.ShowROM)
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IAPU.RAM [Address] = byte;
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IAPU.RAM [Address] = byte;
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}
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}
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}
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}
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}
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}
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void ApuCA ()
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void ApuCA ()
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{
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{
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IAPU.Address = *(uint16 *) (IAPU.PC + 1);
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IAPU.Address = *(uint16 *) (IAPU.PC + 1);
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IAPU.Bit = (uint8)(IAPU.Address >> 13);
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IAPU.Bit = (uint8)(IAPU.Address >> 13);
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if ((IAPU._Carry))
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if ((IAPU._Carry))
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S9xAPUSetByte (S9xAPUGetByte (IAPU.Address) | (1 << IAPU.Bit), IAPU.Address);
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S9xAPUSetByte (S9xAPUGetByte (IAPU.Address) | (1 << IAPU.Bit), IAPU.Address);
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else
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else
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S9xAPUSetByte (S9xAPUGetByte (IAPU.Address) & ~(1 << IAPU.Bit), IAPU.Address);
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S9xAPUSetByte (S9xAPUGetByte (IAPU.Address) & ~(1 << IAPU.Bit), IAPU.Address);
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}
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}
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