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50 lines
1.0 KiB
50 lines
1.0 KiB
2 years ago
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/*
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* Copyright (C) 2022 Riyyi
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*
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* SPDX-License-Identifier: MIT
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*/
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#include "cpu.h"
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#include "macro.h"
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#include "testcase.h"
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#include "testsuite.h"
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struct CPUTest {
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CPU cpu { 0 };
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bool isCarry(uint32_t lhs, uint32_t rhs, uint32_t limit_bit) { return cpu.isCarry(lhs, rhs, limit_bit); }
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};
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// -----------------------------------------
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TEST_CASE(CPUIsCarry)
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{
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CPUTest test;
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// 8-bit Half-carry false
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EXPECT_EQ(test.isCarry(56, 17, 0x10), false);
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EXPECT_EQ(test.isCarry(16, -1, 0x10), false);
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EXPECT_EQ(test.isCarry(32, -1, 0x10), false);
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EXPECT_EQ(test.isCarry(144, -1, 0x10), false);
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EXPECT_EQ(test.isCarry(211, -20, 0x10), false);
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// 8-bit Half-carry true
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EXPECT_EQ(test.isCarry(46, 34, 0x10), true);
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EXPECT_EQ(test.isCarry(62, 34, 0x10), true);
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EXPECT_EQ(test.isCarry(136, -1, 0x10), true);
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EXPECT_EQ(test.isCarry(219, -20, 0x10), true);
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EXPECT_EQ(test.isCarry(250, -20, 0x10), true);
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// 8-bit Full carry false
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EXPECT_EQ(test.isCarry(254, 1, 0x100), false);
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// 8-bit Full carry true
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EXPECT_EQ(test.isCarry(254, 2, 0x100), true);
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}
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