forked from Apple-2-HW/arduino-appleii
105 lines
1.9 KiB
C
105 lines
1.9 KiB
C
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int testDecZeropage() {
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ram[0] = 0xC6;
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ram[1] = 0x02;
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ram[2] = 0x01;
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instructions = 1; run();
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if(!(ram[2] == 0x00 && !(SR&SR_NEG) && SR&SR_ZERO)) return -1;
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//wrap
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ram[0] = 0xC6;
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ram[1] = 0x02;
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ram[2] = 0x00;
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instructions = 1; run();
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if(!(ram[2] == 0xFF && SR&SR_NEG && !(SR&SR_ZERO))) return -2;
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return 0;
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}
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int testDecZeropageX() {
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X = 0x01; Y = 0x00;
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ram[0] = 0xD6;
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ram[1] = 0x01;
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ram[2] = 0x01;
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instructions = 1; run();
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if(!(ram[2] == 0x00 && !(SR&SR_NEG) && SR&SR_ZERO)) return -1;
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//wrap
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ram[0] = 0xD6;
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ram[1] = 0x01;
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ram[2] = 0x00;
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instructions = 1; run();
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if(!(ram[2] == 0xFF && SR&SR_NEG && !(SR&SR_ZERO))) return -2;
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return 0;
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}
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int testDecAbsolute() {
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ram[0] = 0xCE;
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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 = 1; run();
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if(!(ram[3] == 0x00 && !(SR&SR_NEG) && SR&SR_ZERO)) return -1;
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//wrap
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ram[0] = 0xCE;
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ram[1] = 0x03;
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ram[2] = 0x00;
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ram[3] = 0x00;
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instructions = 1; run();
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if(!(ram[3] == 0xFF && SR&SR_NEG && !(SR&SR_ZERO))) return -2;
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return 0;
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}
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int testDecAbsoluteX() {
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X = 0x01; Y = 0x00;
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ram[0] = 0xDE;
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ram[1] = 0x02;
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ram[2] = 0x00;
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ram[3] = 0x01;
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instructions = 1; run();
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if(!(ram[3] == 0x00 && !(SR&SR_NEG) && SR&SR_ZERO)) return -1;
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//wrap
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ram[0] = 0xDE;
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ram[1] = 0x02;
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ram[2] = 0x00;
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ram[3] = 0x00;
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instructions = 1; run();
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if(!(ram[3] == 0xFF && SR&SR_NEG && !(SR&SR_ZERO))) return -2;
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return 0;
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}
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int testDexImplied() {
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X = 0x01;
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ram[0] = 0xCA;
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instructions = 1; run();
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if(!(X == 0x00 && !(SR&SR_NEG) && SR&SR_ZERO)) return -1;
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//wrap
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X = 0x00;
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ram[0] = 0xCA;
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instructions = 1; run();
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if(!(X == 0xFF && SR&SR_NEG && !(SR&SR_ZERO))) return -2;
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return 0;
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}
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int testDeyImplied() {
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Y = 0x01;
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ram[0] = 0x88;
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instructions = 1; run();
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if(!(Y == 0x00 && !(SR&SR_NEG) && SR&SR_ZERO)) return -1;
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//wrap
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X = 0x00;
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ram[0] = 0x88;
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instructions = 1; run();
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if(!(Y == 0xFF && SR&SR_NEG && !(SR&SR_ZERO))) return -2;
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return 0;
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}
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