mirror of
https://github.com/zoriya/ComSquare.git
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Zoe Roux
93 lines
2.7 KiB
C++
93 lines
2.7 KiB
C++
//
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// Created by anonymus-raccoon on 27/02/20.
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//
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#include <catch2/catch_test_macros.hpp>
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#include <bitset>
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#include "../../tests.hpp"
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#include "../../../sources/SNES.hpp"
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using namespace ComSquare;
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TEST_CASE("removingOne SBC", "[SBC]")
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{
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Init()
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snes.cpu._isEmulationMode = false;
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snes.cpu._registers.p.c = true;
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snes.cpu._registers.a = 0x1;
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snes.wram._data[0] = 0x1;
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snes.cpu.SBC(0x0, ComSquare::CPU::AddressingMode::Implied);
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REQUIRE(snes.cpu._registers.a == 0);
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REQUIRE(snes.cpu._registers.p.c == true);
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REQUIRE(snes.cpu._registers.p.v == false);
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REQUIRE(snes.cpu._registers.p.n == false);
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REQUIRE(snes.cpu._registers.p.z == true);
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}
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TEST_CASE("legitOverflowWithCarry SBC", "[SBC]")
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{
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Init()
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snes.cpu._isEmulationMode = false;
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snes.cpu._registers.a = 0x1;
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snes.cpu._registers.p.m = false;
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snes.cpu._registers.p.c = true;
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snes.wram._data[0] = 0x03;
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snes.wram._data[1] = 0x20;
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snes.cpu.SBC(0x0, ComSquare::CPU::AddressingMode::Implied);
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REQUIRE(snes.cpu._registers.a == 0xDFFE);
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REQUIRE(snes.cpu._registers.p.c == false);
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REQUIRE(snes.cpu._registers.p.v == false);
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REQUIRE(snes.cpu._registers.p.n == true);
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REQUIRE(snes.cpu._registers.p.z == false);
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}
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TEST_CASE("overflowWithCarry SBC", "[SBC]")
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{
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Init()
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snes.cpu._isEmulationMode = false;
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snes.cpu._registers.a = 0x1;
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snes.cpu._registers.p.m = false;
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snes.cpu._registers.p.c = true;
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snes.wram._data[0] = 0x03;
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snes.wram._data[1] = 0x20;
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snes.cpu.SBC(0x0, ComSquare::CPU::AddressingMode::Implied);
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REQUIRE(snes.cpu._registers.a == 0xDFFE);
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REQUIRE(snes.cpu._registers.p.c == false);
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REQUIRE(snes.cpu._registers.p.v == false);
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REQUIRE(snes.cpu._registers.p.n == true);
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REQUIRE(snes.cpu._registers.p.z == false);
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}
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TEST_CASE("overflowEmulation SBC", "[SBC]")
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{
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Init()
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snes.cpu._isEmulationMode = true;
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snes.cpu._registers.a = 0x1;
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snes.cpu._registers.p.m = true;
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snes.cpu._registers.p.c = false;
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snes.wram._data[0] = 0x02;
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snes.cpu.SBC(0x0, ComSquare::CPU::AddressingMode::Implied);
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REQUIRE(snes.cpu._registers.a == 0xFE);
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REQUIRE(snes.cpu._registers.p.c == false);
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REQUIRE(snes.cpu._registers.p.v == false);
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REQUIRE(snes.cpu._registers.p.n == true);
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REQUIRE(snes.cpu._registers.p.z == false);
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}
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//TEST_CASE("decimal SBC", "[SBC]")
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//{
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// Init()
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// snes.cpu._isEmulationMode = true;
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// snes.cpu._registers.a = 0x1;
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// snes.cpu._registers.p.d = true;
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// snes.cpu._registers.p.m = false;
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// snes.wram._data[0] = 0x03;
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// snes.wram._data[1] = 0x20;
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// snes.cpu.SBC(0x0, ComSquare::CPU::AddressingMode::Implied);
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// REQUIRE(snes.cpu._registers.a == 0x7998);
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// REQUIRE(snes.cpu._registers.p.c == false);
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// REQUIRE(snes.cpu._registers.p.v == false);
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// REQUIRE(snes.cpu._registers.p.n == false);
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// REQUIRE(snes.cpu._registers.p.z == false);
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//}
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