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This commit is contained in:
Melefo
2020-02-24 19:06:35 +01:00
parent 92d8e97fa5
commit e9a7b9e8d7
7 changed files with 278 additions and 41 deletions
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sources/APU/APU.cpp
+44 -29
View File
@@ -166,6 +166,8 @@ namespace ComSquare::APU
return this->TCALL(0);
case 0x02:
return this->SET1(this->_getDirectAddr(), 0);
case 0x03:
return this->BBS(this->_getDirectAddr(), 0);
case 0x0A:
return this->OR1(this->_getAbsoluteBit());
case 0x0D:
@@ -180,16 +182,24 @@ namespace ComSquare::APU
return this->TCALL(1);
case 0x12:
return this->CLR1(this->_getDirectAddr(), 0);
case 0x13:
return this->BBC(this->_getDirectAddr(), 0);
case 0x1F:
return this->JMP(this->_getAbsoluteAddrByX(), true);
case 0x20:
return this->CLRP();
case 0x21:
return this->TCALL(2);
case 0x22:
return this->SET1(this->_getDirectAddr(), 1);
case 0x23:
return this->BBS(this->_getDirectAddr(), 1);
case 0x2A:
return this->OR1(this->_getAbsoluteBit(), true);
case 0x2D:
return this->PUSH(this->_internalRegisters.a);
case 0x2E:
return this->CBNE(this->_getDirectValue());
case 0x2F:
return this->BRA();
case 0x30:
@@ -198,6 +208,8 @@ namespace ComSquare::APU
return this->TCALL(3);
case 0x32:
return this->CLR1(this->_getDirectAddr(), 1);
case 0x33:
return this->BBC(this->_getDirectAddr(), 1);
case 0x3F:
return this->CALL(this->_getAbsoluteAddr());
case 0x40:
@@ -206,6 +218,8 @@ namespace ComSquare::APU
return this->TCALL(4);
case 0x42:
return this->SET1(this->_getDirectAddr(), 2);
case 0x43:
return this->BBS(this->_getDirectAddr(), 2);
case 0x4A:
return this->AND1(this->_getAbsoluteBit());
case 0x4D:
@@ -220,16 +234,24 @@ namespace ComSquare::APU
return this->TCALL(5);
case 0x52:
return this->CLR1(this->_getDirectAddr(), 2);
case 0x53:
return this->BBC(this->_getDirectAddr(), 2);
case 0x5F:
return this->JMP(this->_getAbsoluteAddr());
case 0x60:
return this->CLRC();
case 0x61:
return this->TCALL(6);
case 0x62:
return this->SET1(this->_getDirectAddr(), 3);
case 0x63:
return this->BBS(this->_getDirectAddr(), 3);
case 0x6A:
return this->AND1(this->_getAbsoluteBit(), true);
case 0x6D:
return this->PUSH(this->_internalRegisters.y);
case 0x6E:
return this->DBNZ(true);
case 0x6F:
return this->RET();
case 0x70:
@@ -238,6 +260,8 @@ namespace ComSquare::APU
return this->TCALL(7);
case 0x72:
return this->CLR1(this->_getDirectAddr(), 3);
case 0x73:
return this->BBC(this->_getDirectAddr(), 3);
case 0x7F:
return this->RETI();
case 0x80:
@@ -246,6 +270,8 @@ namespace ComSquare::APU
return this->TCALL(8);
case 0x82:
return this->SET1(this->_getDirectAddr(), 4);
case 0x83:
return this->BBS(this->_getDirectAddr(), 4);
case 0x8A:
return this->EOR1(this->_getAbsoluteBit());
case 0x8E:
@@ -256,12 +282,16 @@ namespace ComSquare::APU
return this->TCALL(9);
case 0x92:
return this->CLR1(this->_getDirectAddr(), 4);
case 0x93:
return this->BBC(this->_getDirectAddr(), 4);
case 0xA0:
return this->EI();
case 0xA1:
return this->TCALL(10);
case 0xA2:
return this->SET1(this->_getDirectAddr(), 5);
case 0xA3:
return this->BBS(this->_getDirectAddr(), 5);
case 0xAA:
return this->MOV1(this->_getAbsoluteBit(), true);
case 0xAE:
@@ -272,12 +302,16 @@ namespace ComSquare::APU
return this->TCALL(11);
case 0xB2:
return this->CLR1(this->_getDirectAddr(), 5);
case 0xB3:
return this->BBC(this->_getDirectAddr(), 5);
case 0xC0:
return this->DI();
case 0xC1:
return this->TCALL(12);
case 0xC2:
return this->SET1(this->_getDirectAddr(), 6);
case 0xC3:
return this->BBS(this->_getDirectAddr(), 6);
case 0xCA:
return this->MOV1(this->_getAbsoluteBit());
case 0xCE:
@@ -288,10 +322,16 @@ namespace ComSquare::APU
return this->TCALL(13);
case 0xD2:
return this->CLR1(this->_getDirectAddr(), 6);
case 0xD3:
return this->BBC(this->_getDirectAddr(), 6);
case 0xDE:
return this->CBNE(this->_getDirectAddrByX(), true);
case 0xE1:
return this->TCALL(14);
case 0xE2:
return this->SET1(this->_getDirectAddr(), 7);
case 0xE3:
return this->BBS(this->_getDirectAddr(), 7);
case 0xEE:
return this->POP(this->_internalRegisters.y);
case 0xF0:
@@ -300,12 +340,16 @@ namespace ComSquare::APU
return this->TCALL(15);
case 0xF2:
return this->CLR1(this->_getDirectAddr(), 7);
case 0xF3:
return this->BBC(this->_getDirectAddr(), 7);
case 0xEA:
return this->NOT1(this->_getAbsoluteBit());
case 0xED:
return this->NOTC();
case 0xEF:
return this->SLEEP();
case 0xFE:
return this->DBNZ();
case 0xFF:
return this->STOP();
default:
@@ -324,35 +368,6 @@ namespace ComSquare::APU
this->_paddingCycles = total - cycles;
}
uint24_t APU::_getDirectAddr()
{
uint24_t addr = this->_internalRead(this->_internalRegisters.pc++);
if (this->_internalRegisters.p)
addr += 0x100;
return addr;
}
uint24_t APU::_getAbsoluteAddr()
{
uint24_t addr1 = this->_internalRead(this->_internalRegisters.pc++);
uint24_t addr2 = this->_internalRead(this->_internalRegisters.pc++);
return (addr2 << 8u) | addr1;
}
std::pair<uint24_t, uint24_t> APU::_getAbsoluteBit()
{
uint24_t addr1 = this->_internalRead(this->_internalRegisters.pc++);
uint24_t addr2 = this->_internalRead(this->_internalRegisters.pc++);
uint24_t operandA = (addr2 << 8u) | addr1;
uint24_t operandB = operandA >> 13u;
operandA = operandA & 0x1FFFu;
return std::make_pair(operandA, operandB);
}
MemoryMap::MemoryMap() :
Page0(0x00F0),
Page1(0x0100),