forked from Apple-2-HW/arduino-appleii
105 lines
2.1 KiB
C
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;
|
||
|
|
}
|