forked from Apple-2-HW/arduino-appleii
110 lines
1.9 KiB
C
110 lines
1.9 KiB
C
int testCpxImmediate() {
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//no difference
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SR |= SR_ZERO;
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SR |= SR_CARRY;
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SR |= SR_NEG;
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X = 0x10;
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ram[0] = 0xE0;
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ram[1] = 0x10;
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instructions = 2; run();
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if(!(!(SR&SR_NEG) && SR&SR_ZERO && SR&SR_CARRY)) return -1;
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//less
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SR |= SR_ZERO;
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SR |= SR_CARRY;
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SR |= SR_NEG;
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X = 0x10;
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ram[0] = 0xE0;
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ram[1] = 0x04;
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instructions = 2; run();
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if(!(!(SR&SR_NEG) && !(SR&SR_ZERO) && SR&SR_CARRY)) return -2;
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//more
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SR |= SR_ZERO;
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SR |= SR_CARRY;
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SR |= SR_NEG;
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X = 0x04;
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ram[0] = 0xE0;
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ram[1] = 0x10;
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instructions = 2; run();
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if(!(SR&SR_NEG && !(SR&SR_ZERO) && !(SR&SR_CARRY))) return -2;
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return 0;
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}
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int testCpxZeropage() {
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//no difference
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SR |= SR_ZERO;
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SR |= SR_CARRY;
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SR |= SR_NEG;
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X = 0x10;
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ram[0] = 0xE4;
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ram[1] = 0x02;
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ram[2] = 0x10;
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instructions = 2; run();
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if(!(!(SR&SR_NEG) && SR&SR_ZERO && SR&SR_CARRY)) return -1;
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//less
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SR |= SR_ZERO;
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SR |= SR_CARRY;
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SR |= SR_NEG;
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X = 0x10;
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ram[0] = 0xE4;
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ram[1] = 0x02;
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ram[2] = 0x04;
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instructions = 2; run();
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if(!(!(SR&SR_NEG) && !(SR&SR_ZERO) && SR&SR_CARRY)) return -2;
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//more
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SR |= SR_ZERO;
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SR |= SR_CARRY;
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SR |= SR_NEG;
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X = 0x04;
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ram[0] = 0xE4;
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ram[1] = 0x02;
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ram[2] = 0x10;
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instructions = 2; run();
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if(!(SR&SR_NEG && !(SR&SR_ZERO) && !(SR&SR_CARRY))) return -2;
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return 0;
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}
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int testCpxAbsolute() {
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//no difference
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SR |= SR_ZERO;
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SR |= SR_CARRY;
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SR |= SR_NEG;
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X = 0x10;
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ram[0] = 0xEC;
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ram[1] = 0x03;
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ram[2] = 0x00;
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ram[3] = 0x10;
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instructions = 2; run();
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if(!(!(SR&SR_NEG) && SR&SR_ZERO && SR&SR_CARRY)) return -1;
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//less
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SR |= SR_ZERO;
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SR |= SR_CARRY;
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SR |= SR_NEG;
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X = 0x10;
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ram[0] = 0xEC;
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ram[1] = 0x03;
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ram[2] = 0x00;
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ram[3] = 0x04;
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instructions = 2; run();
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if(!(!(SR&SR_NEG) && !(SR&SR_ZERO) && SR&SR_CARRY)) return -2;
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//more
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SR |= SR_ZERO;
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SR |= SR_CARRY;
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SR |= SR_NEG;
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X = 0x04;
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ram[0] = 0xEC;
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ram[1] = 0x03;
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ram[2] = 0x00;
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ram[3] = 0x10;
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instructions = 2; run();
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if(!(SR&SR_NEG && !(SR&SR_ZERO) && !(SR&SR_CARRY))) return -2;
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return 0;
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} |