45 lines
788 B
C
45 lines
788 B
C
int testBitZeropage() {
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//bits set
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A = 0x00;
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ram[0] = 0x24;
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ram[1] = 0x02;
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ram[2] = 0xFF;
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instructions = 2;
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run();
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if(!(SR&SR_NEG && SR&SR_ZERO && SR&SR_OVER)) return -1;
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//bits unset
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A = 0x01;
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ram[0] = 0x24;
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ram[1] = 0x02;
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ram[2] = 0x01;
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instructions = 2;
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run();
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if(!(!(SR&SR_NEG) && !(SR&SR_ZERO) && !(SR&SR_OVER))) return -2;
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return 0;
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}
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int testBitAbsolute() {
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//bits set
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A = 0x00;
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ram[0] = 0x24;
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ram[1] = 0x03;
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ram[2] = 0x00;
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ram[3] = 0xFF;
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instructions = 2;
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run();
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if(!(SR&SR_NEG && SR&SR_ZERO && !(SR&SR_CARRY) && SR&SR_OVER)) return -1;
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//bits unset
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A = 0x01;
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ram[0] = 0x24;
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ram[1] = 0x03;
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ram[2] = 0x00;
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ram[3] = 0x01;
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instructions = 2;
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run();
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if(!(!(SR&SR_NEG) && !(SR&SR_ZERO) && !(SR&SR_CARRY) && !(SR&SR_OVER))) return -2;
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return 0;
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} |