mirror of
https://github.com/dpeckett/arduino-appleii.git
synced 2024-11-28 21:49:47 +00:00
105 lines
2.1 KiB
C
105 lines
2.1 KiB
C
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int testRolImplied() {
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//rotate in
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A = 0x81;
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SR |= SR_CARRY;
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ram[0] = 0x2A;
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instructions = 1; run();
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if(!(A == 0x03 && !(SR&SR_ZERO) && !(SR&SR_NEG) && SR&SR_CARRY)) return -1;
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//rotate out
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A = 0x80;
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SR &= (~SR_CARRY);
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ram[0] = 0x2A;
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instructions = 1; run();
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if(!(A == 0x00 && SR&SR_ZERO && !(SR&SR_NEG) && SR&SR_CARRY)) return -2;
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return 0;
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}
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int testRolZeropage() {
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//rotate in
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SR |= SR_CARRY;
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ram[0] = 0x26;
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ram[1] = 0x02;
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ram[2] = 0x81;
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instructions = 1; run();
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if(!(ram[2] == 0x03 && !(SR&SR_ZERO) && !(SR&SR_NEG) && SR&SR_CARRY)) return -1;
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//rotate out
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SR &= (~SR_CARRY);
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ram[0] = 0x26;
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ram[1] = 0x02;
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ram[2] = 0x80;
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instructions = 1; run();
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if(!(ram[2] == 0x00 && SR&SR_ZERO && !(SR&SR_NEG) && SR&SR_CARRY)) return -2;
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return 0;
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}
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int testRolZeropageX() {
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X = 0x01; Y = 0x00;
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//rotate in
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SR |= SR_CARRY;
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ram[0] = 0x36;
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ram[1] = 0x01;
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ram[2] = 0x81;
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instructions = 1; run();
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if(!(ram[2] == 0x03 && !(SR&SR_ZERO) && !(SR&SR_NEG) && SR&SR_CARRY)) return -1;
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//rotate out
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SR &= (~SR_CARRY);
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ram[0] = 0x36;
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ram[1] = 0x01;
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ram[2] = 0x80;
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instructions = 1; run();
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if(!(ram[2] == 0x00 && SR&SR_ZERO && !(SR&SR_NEG) && SR&SR_CARRY)) return -2;
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return 0;
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}
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int testRolAbsolute() {
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//rotate in
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SR |= SR_CARRY;
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ram[0] = 0x2E;
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ram[1] = 0x03;
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ram[2] = 0x00;
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ram[3] = 0x81;
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instructions = 1; run();
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if(!(ram[3] == 0x03 && !(SR&SR_ZERO) && !(SR&SR_NEG) && SR&SR_CARRY)) return -1;
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//rotate out
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SR &= (~SR_CARRY);
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ram[0] = 0x2E;
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ram[1] = 0x03;
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ram[2] = 0x00;
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ram[3] = 0x80;
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instructions = 1; run();
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if(!(ram[3] == 0x00 && SR&SR_ZERO && !(SR&SR_NEG) && SR&SR_CARRY)) return -2;
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return 0;
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}
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int testRolAbsoluteX() {
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X = 0x01; Y = 0x00;
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//rotate in
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SR |= SR_CARRY;
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ram[0] = 0x3E;
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ram[1] = 0x02;
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ram[2] = 0x00;
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ram[3] = 0x81;
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instructions = 1; run();
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if(!(ram[3] == 0x03 && !(SR&SR_ZERO) && !(SR&SR_NEG) && SR&SR_CARRY)) return -1;
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//rotate out
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SR &= (~SR_CARRY);
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ram[0] = 0x3E;
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ram[1] = 0x02;
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ram[2] = 0x00;
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ram[3] = 0x80;
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instructions = 1; run();
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if(!(ram[3] == 0x00 && SR&SR_ZERO && !(SR&SR_NEG) && SR&SR_CARRY)) return -2;
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return 0;
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}
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