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arduino-appleii/6502tests/test/testCmp.c

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int testCmpImmediate() {
//no difference
SR |= SR_ZERO;
SR |= SR_CARRY;
SR |= SR_NEG;
A = 0x10;
ram[0] = 0xC9;
ram[1] = 0x10;
instructions = 2; run();
if(!(!(SR&SR_NEG) && SR&SR_ZERO && SR&SR_CARRY)) return -1;
//less
SR |= SR_ZERO;
SR |= SR_CARRY;
SR |= SR_NEG;
A = 0x10;
ram[0] = 0xC9;
ram[1] = 0x04;
instructions = 2; run();
if(!(!(SR&SR_NEG) && !(SR&SR_ZERO) && SR&SR_CARRY)) return -2;
//more
SR |= SR_ZERO;
SR |= SR_CARRY;
SR |= SR_NEG;
A = 0x04;
ram[0] = 0xC9;
ram[1] = 0x10;
instructions = 2; run();
if(!(SR&SR_NEG && !(SR&SR_ZERO) && !(SR&SR_CARRY))) return -2;
return 0;
}
int testCmpZeropage() {
//no difference
SR |= SR_ZERO;
SR |= SR_CARRY;
SR |= SR_NEG;
A = 0x10;
ram[0] = 0xC5;
ram[1] = 0x02;
ram[2] = 0x10;
instructions = 2; run();
if(!(!(SR&SR_NEG) && SR&SR_ZERO && SR&SR_CARRY)) return -1;
//less
SR |= SR_ZERO;
SR |= SR_CARRY;
SR |= SR_NEG;
A = 0x10;
ram[0] = 0xC5;
ram[1] = 0x02;
ram[2] = 0x04;
instructions = 2; run();
if(!(!(SR&SR_NEG) && !(SR&SR_ZERO) && SR&SR_CARRY)) return -2;
//more
SR |= SR_ZERO;
SR |= SR_CARRY;
SR |= SR_NEG;
A = 0x04;
ram[0] = 0xC5;
ram[1] = 0x02;
ram[2] = 0x10;
instructions = 2; run();
if(!(SR&SR_NEG && !(SR&SR_ZERO) && !(SR&SR_CARRY))) return -2;
return 0;
}
int testCmpZeropageX() {
X = 0x01; Y = 0x00;
//no difference
SR |= SR_ZERO;
SR |= SR_CARRY;
SR |= SR_NEG;
A = 0x10;
ram[0] = 0xD5;
ram[1] = 0x01;
ram[2] = 0x10;
instructions = 2; run();
if(!(!(SR&SR_NEG) && SR&SR_ZERO && SR&SR_CARRY)) return -1;
//less
SR |= SR_ZERO;
SR |= SR_CARRY;
SR |= SR_NEG;
A = 0x10;
ram[0] = 0xD5;
ram[1] = 0x01;
ram[2] = 0x04;
instructions = 2; run();
if(!(!(SR&SR_NEG) && !(SR&SR_ZERO) && SR&SR_CARRY)) return -2;
//more
SR |= SR_ZERO;
SR |= SR_CARRY;
SR |= SR_NEG;
A = 0x04;
ram[0] = 0xD5;
ram[1] = 0x01;
ram[2] = 0x10;
instructions = 2; run();
if(!(SR&SR_NEG && !(SR&SR_ZERO) && !(SR&SR_CARRY))) return -2;
return 0;
}
int testCmpAbsolute() {
//no difference
SR |= SR_ZERO;
SR |= SR_CARRY;
SR |= SR_NEG;
A = 0x10;
ram[0] = 0xCD;
ram[1] = 0x03;
ram[2] = 0x00;
ram[3] = 0x10;
instructions = 2; run();
if(!(!(SR&SR_NEG) && SR&SR_ZERO && SR&SR_CARRY)) return -1;
//less
SR |= SR_ZERO;
SR |= SR_CARRY;
SR |= SR_NEG;
A = 0x10;
ram[0] = 0xCD;
ram[1] = 0x03;
ram[2] = 0x00;
ram[3] = 0x04;
instructions = 2; run();
if(!(!(SR&SR_NEG) && !(SR&SR_ZERO) && SR&SR_CARRY)) return -2;
//more
SR |= SR_ZERO;
SR |= SR_CARRY;
SR |= SR_NEG;
A = 0x04;
ram[0] = 0xCD;
ram[1] = 0x03;
ram[2] = 0x00;
ram[3] = 0x10;
instructions = 2; run();
if(!(SR&SR_NEG && !(SR&SR_ZERO) && !(SR&SR_CARRY))) return -2;
return 0;
}
int testCmpAbsoluteX() {
X = 0x01; Y = 0x00;
//no difference
SR |= SR_ZERO;
SR |= SR_CARRY;
SR |= SR_NEG;
A = 0x10;
ram[0] = 0xDD;
ram[1] = 0x02;
ram[2] = 0x00;
ram[3] = 0x10;
instructions = 2; run();
if(!(!(SR&SR_NEG) && SR&SR_ZERO && SR&SR_CARRY)) return -1;
//less
SR |= SR_ZERO;
SR |= SR_CARRY;
SR |= SR_NEG;
A = 0x10;
ram[0] = 0xDD;
ram[1] = 0x02;
ram[2] = 0x00;
ram[3] = 0x04;
instructions = 2; run();
if(!(!(SR&SR_NEG) && !(SR&SR_ZERO) && SR&SR_CARRY)) return -2;
//more
SR |= SR_ZERO;
SR |= SR_CARRY;
SR |= SR_NEG;
A = 0x04;
ram[0] = 0xDD;
ram[1] = 0x02;
ram[2] = 0x00;
ram[3] = 0x10;
instructions = 2; run();
if(!(SR&SR_NEG && !(SR&SR_ZERO) && !(SR&SR_CARRY))) return -2;
return 0;
}
int testCmpAbsoluteY() {
Y = 0x01; X = 0x00;
//no difference
SR |= SR_ZERO;
SR |= SR_CARRY;
SR |= SR_NEG;
A = 0x10;
ram[0] = 0xD9;
ram[1] = 0x02;
ram[2] = 0x00;
ram[3] = 0x10;
instructions = 2; run();
if(!(!(SR&SR_NEG) && SR&SR_ZERO && SR&SR_CARRY)) return -1;
//less
SR |= SR_ZERO;
SR |= SR_CARRY;
SR |= SR_NEG;
A = 0x10;
ram[0] = 0xD9;
ram[1] = 0x02;
ram[2] = 0x00;
ram[3] = 0x04;
instructions = 2; run();
if(!(!(SR&SR_NEG) && !(SR&SR_ZERO) && SR&SR_CARRY)) return -2;
//more
SR |= SR_ZERO;
SR |= SR_CARRY;
SR |= SR_NEG;
A = 0x04;
ram[0] = 0xD9;
ram[1] = 0x02;
ram[2] = 0x00;
ram[3] = 0x10;
instructions = 2; run();
if(!(SR&SR_NEG && !(SR&SR_ZERO) && !(SR&SR_CARRY))) return -2;
return 0;
}
int testCmpIndirectX() {
X = 0x01; Y = 0x00;
//no difference
SR |= SR_ZERO;
SR |= SR_CARRY;
SR |= SR_NEG;
A = 0x10;
ram[0] = 0xC1;
ram[1] = 0x02;
ram[2] = 0x02;
ram[3] = 0x10;
instructions = 2; run();
if(!(!(SR&SR_NEG) && SR&SR_ZERO && SR&SR_CARRY)) return -1;
//less
SR |= SR_ZERO;
SR |= SR_CARRY;
SR |= SR_NEG;
A = 0x10;
ram[0] = 0xC1;
ram[1] = 0x02;
ram[2] = 0x02;
ram[3] = 0x04;
instructions = 2; run();
if(!(!(SR&SR_NEG) && !(SR&SR_ZERO) && SR&SR_CARRY)) return -2;
//more
SR |= SR_ZERO;
SR |= SR_CARRY;
SR |= SR_NEG;
A = 0x04;
ram[0] = 0xC1;
ram[1] = 0x02;
ram[2] = 0x02;
ram[3] = 0x10;
instructions = 2; run();
if(!(SR&SR_NEG && !(SR&SR_ZERO) && !(SR&SR_CARRY))) return -2;
return 0;
}
int testCmpIndirectY() {
Y = 0x01; X = 0x00;
//no difference
SR |= SR_ZERO;
SR |= SR_CARRY;
SR |= SR_NEG;
A = 0x10;
ram[0] = 0xD1;
ram[1] = 0x02;
ram[2] = 0x03;
ram[3] = 0x00;
ram[4] = 0x10;
instructions = 2; run();
if(!(!(SR&SR_NEG) && SR&SR_ZERO && SR&SR_CARRY)) return -1;
//less
SR |= SR_ZERO;
SR |= SR_CARRY;
SR |= SR_NEG;
A = 0x10;
ram[0] = 0xD1;
ram[1] = 0x02;
ram[2] = 0x03;
ram[3] = 0x00;
ram[4] = 0x04;
instructions = 2; run();
if(!(!(SR&SR_NEG) && !(SR&SR_ZERO) && SR&SR_CARRY)) return -2;
//more
SR |= SR_ZERO;
SR |= SR_CARRY;
SR |= SR_NEG;
A = 0x04;
ram[0] = 0xD1;
ram[1] = 0x02;
ram[2] = 0x03;
ram[3] = 0x00;
ram[4] = 0x10;
instructions = 2; run();
if(!(SR&SR_NEG && !(SR&SR_ZERO) && !(SR&SR_CARRY))) return -2;
return 0;
}
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