arduino-appleii/6502tests/test/testRor.c
Damian Peckett 2798ae6d16 First Commit
Uploading Current Source To Github
2015-04-08 17:14:01 +10:00

105 lines
2.1 KiB
C

int testRorImplied() {
//rotate in
A = 0x81;
SR |= SR_CARRY;
ram[0] = 0x6A;
instructions = 1; run();
if(!(A == 0xC0 && !(SR&SR_ZERO) && SR&SR_NEG && SR&SR_CARRY)) return -1;
//rotate out
A = 0x01;
SR &= (~SR_CARRY);
ram[0] = 0x6A;
instructions = 1; run();
if(!(A == 0x00 && SR&SR_ZERO && !(SR&SR_NEG) && SR&SR_CARRY)) return -2;
return 0;
}
int testRorZeropage() {
//rotate in
SR |= SR_CARRY;
ram[0] = 0x66;
ram[1] = 0x02;
ram[2] = 0x81;
instructions = 1; run();
if(!(ram[2] == 0xC0 && !(SR&SR_ZERO) && SR&SR_NEG && SR&SR_CARRY)) return -1;
//rotate out
SR &= (~SR_CARRY);
ram[0] = 0x66;
ram[1] = 0x02;
ram[2] = 0x01;
instructions = 1; run();
if(!(ram[2] == 0x00 && SR&SR_ZERO && !(SR&SR_NEG) && SR&SR_CARRY)) return -2;
return 0;
}
int testRorZeropageX() {
X = 0x01; Y = 0x00;
//rotate in
SR |= SR_CARRY;
ram[0] = 0x76;
ram[1] = 0x01;
ram[2] = 0x81;
instructions = 1; run();
if(!(ram[2] == 0xC0 && !(SR&SR_ZERO) && SR&SR_NEG && SR&SR_CARRY)) return -1;
//rotate out
SR &= (~SR_CARRY);
ram[0] = 0x76;
ram[1] = 0x01;
ram[2] = 0x01;
instructions = 1; run();
if(!(ram[2] == 0x00 && SR&SR_ZERO && !(SR&SR_NEG) && SR&SR_CARRY)) return -2;
return 0;
}
int testRorAbsolute() {
//rotate in
SR |= SR_CARRY;
ram[0] = 0x6E;
ram[1] = 0x03;
ram[2] = 0x00;
ram[3] = 0x81;
instructions = 1; run();
if(!(ram[3] == 0xC0 && !(SR&SR_ZERO) && SR&SR_NEG && SR&SR_CARRY)) return -1;
//rotate out
SR &= (~SR_CARRY);
ram[0] = 0x6E;
ram[1] = 0x03;
ram[2] = 0x00;
ram[3] = 0x01;
instructions = 1; run();
if(!(ram[3] == 0x00 && SR&SR_ZERO && !(SR&SR_NEG) && SR&SR_CARRY)) return -2;
return 0;
}
int testRorAbsoluteX() {
X = 0x01; Y = 0x00;
//rotate in
SR |= SR_CARRY;
ram[0] = 0x7E;
ram[1] = 0x02;
ram[2] = 0x00;
ram[3] = 0x81;
instructions = 1; run();
if(!(ram[3] == 0xC0 && !(SR&SR_ZERO) && SR&SR_NEG && SR&SR_CARRY)) return -1;
//rotate out
SR &= (~SR_CARRY);
ram[0] = 0x7E;
ram[1] = 0x02;
ram[2] = 0x00;
ram[3] = 0x01;
instructions = 1; run();
if(!(ram[3] == 0x00 && SR&SR_ZERO && !(SR&SR_NEG) && SR&SR_CARRY)) return -2;
return 0;
}