79 lines
1.6 KiB
C
79 lines
1.6 KiB
C
int testTaxImplied() {
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//normal
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X = 0; A = 0x23;
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ram[0] = 0xAA;
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instructions = 1; run();
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if(!(X == 0x23 && !(SR&SR_NEG) && !(SR&SR_ZERO)))return -1;
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//negative
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X = 0; A = 0xFE;
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ram[0] = 0xAA;
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instructions = 1; run();
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if(!(X == 0xFE && SR&SR_NEG && !(SR&SR_ZERO)))return -2;
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return 0;
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}
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int testTayImplied() {
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//normal
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Y = 0; A = 0x23;
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ram[0] = 0xA8;
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instructions = 1; run();
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if(!(Y == 0x23 && !(SR&SR_NEG) && !(SR&SR_ZERO)))return -1;
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//negative
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Y = 0; A = 0xFE;
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ram[0] = 0xA8;
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instructions = 1; run();
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if(!(Y == 0xFE && SR&SR_NEG && !(SR&SR_ZERO)))return -2;
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return 0;
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}
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int testTsxImplied() {
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//normal
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X = 0; SP = 0x23;
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ram[0] = 0xBA;
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instructions = 1; run();
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if(!(X == 0x23 && !(SR&SR_NEG) && !(SR&SR_ZERO)))return -1;
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//negative
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X = 0; SP = 0xFE;
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ram[0] = 0xBA;
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instructions = 1; run();
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if(!(X == 0xFE && SR&SR_NEG && !(SR&SR_ZERO)))return -2;
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return 0;
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}
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int testTxaImplied() {
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//normal
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A = 0; X = 0x23;
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ram[0] = 0x8A;
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instructions = 1; run();
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if(!(A == 0x23 && !(SR&SR_NEG) && !(SR&SR_ZERO)))return -1;
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//negative
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A = 0; X = 0xFE;
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ram[0] = 0x8A;
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instructions = 1; run();
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if(!(A == 0xFE && SR&SR_NEG && !(SR&SR_ZERO)))return -2;
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return 0;
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}
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int testTxsImplied() {
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//normal
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SR = SR_FIXED_BITS;
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X = 0x00; SP = 0x00;
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ram[0] = 0x9A;
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instructions = 1; run();
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if(!(SP == 0x23 && !(SR&SR_ZERO)))return -1;
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return 0;
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}
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int testTyaImplied() {
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//normal
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A = 0; Y = 0x23;
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ram[0] = 0x98;
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instructions = 1; run();
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if(!(A == 0x23 && !(SR&SR_NEG) && !(SR&SR_ZERO)))return -1;
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//negative
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A = 0; Y = 0xFE;
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ram[0] = 0x98;
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instructions = 1; run();
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if(!(A == 0xFE && SR&SR_NEG && !(SR&SR_ZERO)))return -2;
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return 0;
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} |