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erc-c/tests/mos6502.bits.c

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2017-12-04 02:19:17 +00:00
#include <criterion/criterion.h>
#include "mos6502.h"
#include "mos6502.enums.h"
Test(mos6502, and)
{
START_CPU_TEST(mos6502);
cpu->A = 5;
mos6502_handle_and(cpu, 1);
cr_assert_eq(cpu->A, 1);
cpu->A = 5;
mos6502_handle_and(cpu, 4);
cr_assert_eq(cpu->A, 4);
END_CPU_TEST(mos6502);
}
Test(mos6502, asl)
{
START_CPU_TEST(mos6502);
mos6502_handle_asl(cpu, 5);
cr_assert_eq(cpu->A, 10);
cpu->last_addr = 123;
mos6502_handle_asl(cpu, 22);
cr_assert_eq(vm_segment_get(cpu->memory, 123), 44);
END_CPU_TEST(mos6502);
}
Test(mos6502, bit)
{
START_CPU_TEST(mos6502);
cpu->A = 5;
mos6502_handle_bit(cpu, 129);
cr_assert_eq(cpu->P & NEGATIVE, NEGATIVE);
cr_assert_eq(cpu->P & OVERFLOW, 0);
cr_assert_eq(cpu->P & ZERO, 0);
mos6502_handle_bit(cpu, 193);
cr_assert_eq(cpu->P & NEGATIVE, NEGATIVE);
cr_assert_eq(cpu->P & OVERFLOW, OVERFLOW);
cr_assert_eq(cpu->P & ZERO, 0);
mos6502_handle_bit(cpu, 65);
cr_assert_eq(cpu->P & NEGATIVE, 0);
cr_assert_eq(cpu->P & OVERFLOW, OVERFLOW);
cr_assert_eq(cpu->P & ZERO, 0);
mos6502_handle_bit(cpu, 33);
cr_assert_eq(cpu->P & NEGATIVE, 0);
cr_assert_eq(cpu->P & OVERFLOW, 0);
cr_assert_eq(cpu->P & ZERO, 0);
mos6502_handle_bit(cpu, 0);
cr_assert_eq(cpu->P & NEGATIVE, 0);
cr_assert_eq(cpu->P & OVERFLOW, 0);
cr_assert_eq(cpu->P & ZERO, ZERO);
END_CPU_TEST(mos6502);
}
Test(mos6502, eor)
{
START_CPU_TEST(mos6502);
cpu->A = 5;
mos6502_handle_eor(cpu, 4);
cr_assert_eq(cpu->A, 1);
cpu->A = 5;
mos6502_handle_eor(cpu, 1);
cr_assert_eq(cpu->A, 4);
END_CPU_TEST(mos6502);
}
Test(mos6502, lsr)
{
START_CPU_TEST(mos6502);
mos6502_handle_lsr(cpu, 5);
cr_assert_eq(cpu->A, 2);
cr_assert_eq(cpu->P & CARRY, CARRY);
cpu->last_addr = 123;
mos6502_handle_lsr(cpu, 22);
cr_assert_eq(vm_segment_get(cpu->memory, 123), 11);
cr_assert_eq(cpu->P & CARRY, 0);
END_CPU_TEST(mos6502);
}
Test(mos6502, ora)
{
START_CPU_TEST(mos6502);
cpu->A = 5;
mos6502_handle_ora(cpu, 4);
cr_assert_eq(cpu->A, 5);
cpu->A = 5;
mos6502_handle_ora(cpu, 10);
cr_assert_eq(cpu->A, 15);
END_CPU_TEST(mos6502);
}
Test(mos6502, rol)
{
START_CPU_TEST(mos6502);
mos6502_handle_rol(cpu, 8);
cr_assert_eq(cpu->A, 16);
cpu->last_addr = 234;
mos6502_handle_rol(cpu, 128);
cr_assert_eq(vm_segment_get(cpu->memory, 234), 1);
END_CPU_TEST(mos6502);
}
Test(mos6502, ror)
{
START_CPU_TEST(mos6502);
mos6502_handle_ror(cpu, 64);
cr_assert_eq(cpu->A, 32);
cpu->last_addr = 123;
mos6502_handle_ror(cpu, 1);
cr_assert_eq(vm_segment_get(cpu->memory, 123), 128);
END_CPU_TEST(mos6502);
}