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Add simpler test for ADC/SBC flags.

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The name is unfortunate though.
This commit is contained in:
Radosław Kujawa 2017-02-02 22:55:21 +01:00
parent a255b093e9
commit 8008d045d3
2 changed files with 185 additions and 4 deletions
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153
test/test_emulation.c
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@ -1006,8 +1006,8 @@ ATF_TC_BODY(emul_branch, tc)
rk65c02_start(&e);
}
ATF_TC_WITHOUT_HEAD(emul_sign_overflow);
ATF_TC_BODY(emul_sign_overflow, tc)
ATF_TC_WITHOUT_HEAD(emul_sign_overflow_basic);
ATF_TC_BODY(emul_sign_overflow_basic, tc)
{
rk65c02emu_t e;
bus_t b;
@ -1015,7 +1015,151 @@ ATF_TC_BODY(emul_sign_overflow, tc)
b = bus_init();
e = rk65c02_init(&b);
ATF_REQUIRE(rom_start(&e, "test_emulation_sign_overflow.rom", tc));
e.regs.PC = ROM_LOAD_ADDR;
ATF_REQUIRE(bus_load_file(&b, ROM_LOAD_ADDR,
rom_path("test_emulation_sign_overflow_basic.rom", tc)));
/* 0x50 + 0x10 */
e.regs.A = 0x50;
rk65c02_step(&e, 2);
ATF_CHECK(e.regs.A == 0x60);
ATF_CHECK(!(e.regs.P & P_CARRY));
ATF_CHECK(!(e.regs.P & P_SIGN_OVERFLOW));
rk65c02_dump_regs(&e);
/* 0x50 + 0x50 */
e.regs.A = 0x50;
rk65c02_step(&e, 2);
ATF_CHECK(e.regs.A == 0xA0);
ATF_CHECK(!(e.regs.P & P_CARRY));
ATF_CHECK(e.regs.P & P_SIGN_OVERFLOW);
rk65c02_dump_regs(&e);
/* 0x50 + 0x90 */
e.regs.A = 0x50;
rk65c02_step(&e, 2);
ATF_CHECK(e.regs.A == 0xE0);
ATF_CHECK(!(e.regs.P & P_CARRY));
ATF_CHECK(!(e.regs.P & P_SIGN_OVERFLOW));
rk65c02_dump_regs(&e);
/* 0x50 + 0xD0 */
e.regs.A = 0x50;
rk65c02_step(&e, 2);
ATF_CHECK(e.regs.A == 0x20);
ATF_CHECK(e.regs.P & P_CARRY);
ATF_CHECK(!(e.regs.P & P_SIGN_OVERFLOW));
rk65c02_dump_regs(&e);
/* 0xD0 + 0x10 */
e.regs.A = 0xD0;
rk65c02_step(&e, 2);
ATF_CHECK(e.regs.A == 0xE0);
ATF_CHECK(!(e.regs.P & P_CARRY));
ATF_CHECK(!(e.regs.P & P_SIGN_OVERFLOW));
rk65c02_dump_regs(&e);
/* 0xD0 + 0x50 */
e.regs.A = 0xD0;
rk65c02_step(&e, 2);
ATF_CHECK(e.regs.A == 0x20);
ATF_CHECK(e.regs.P & P_CARRY);
ATF_CHECK(!(e.regs.P & P_SIGN_OVERFLOW));
rk65c02_dump_regs(&e);
/* 0xD0 + 0x90 */
e.regs.A = 0xD0;
rk65c02_step(&e, 2);
ATF_CHECK(e.regs.A == 0x60);
ATF_CHECK(e.regs.P & P_CARRY);
ATF_CHECK(e.regs.P & P_SIGN_OVERFLOW);
rk65c02_dump_regs(&e);
/* 0xD0 + 0xD0 */
e.regs.A = 0xD0;
rk65c02_step(&e, 2);
ATF_CHECK(e.regs.A == 0xA0);
ATF_CHECK(e.regs.P & P_CARRY);
ATF_CHECK(!(e.regs.P & P_SIGN_OVERFLOW));
rk65c02_dump_regs(&e);
/* 0x50 - 0xF0 */
e.regs.A = 0x50;
rk65c02_step(&e, 2);
ATF_CHECK(e.regs.A == 0x60);
ATF_CHECK(!(e.regs.P & P_CARRY));
ATF_CHECK(!(e.regs.P & P_SIGN_OVERFLOW));
rk65c02_dump_regs(&e);
/* 0x50 - 0xB0 */
e.regs.A = 0x50;
rk65c02_step(&e, 2);
ATF_CHECK(e.regs.A == 0xA0);
ATF_CHECK(!(e.regs.P & P_CARRY));
ATF_CHECK(e.regs.P & P_SIGN_OVERFLOW);
rk65c02_dump_regs(&e);
/* 0x50 - 0x70 */
e.regs.A = 0x50;
rk65c02_step(&e, 2);
ATF_CHECK(e.regs.A == 0xE0);
ATF_CHECK(!(e.regs.P & P_CARRY));
ATF_CHECK(!(e.regs.P & P_SIGN_OVERFLOW));
rk65c02_dump_regs(&e);
/* 0x50 - 0x30 */
e.regs.A = 0x50;
rk65c02_step(&e, 2);
ATF_CHECK(e.regs.A == 0x20);
ATF_CHECK(e.regs.P & P_CARRY);
ATF_CHECK(!(e.regs.P & P_SIGN_OVERFLOW));
rk65c02_dump_regs(&e);
/* 0xD0 - 0xF0 */
e.regs.A = 0xD0;
rk65c02_step(&e, 2);
ATF_CHECK(e.regs.A == 0xE0);
ATF_CHECK(!(e.regs.P & P_CARRY));
ATF_CHECK(!(e.regs.P & P_SIGN_OVERFLOW));
rk65c02_dump_regs(&e);
/* 0xD0 - 0xB0 */
e.regs.A = 0xD0;
rk65c02_step(&e, 2);
ATF_CHECK(e.regs.A == 0x20);
ATF_CHECK(e.regs.P & P_CARRY);
ATF_CHECK(!(e.regs.P & P_SIGN_OVERFLOW));
rk65c02_dump_regs(&e);
/* 0xD0 - 0x70 */
e.regs.A = 0xD0;
rk65c02_step(&e, 2);
ATF_CHECK(e.regs.A == 0x60);
ATF_CHECK(e.regs.P & P_CARRY);
ATF_CHECK(e.regs.P & P_SIGN_OVERFLOW);
rk65c02_dump_regs(&e);
/* 0xD0 - 0x30 */
e.regs.A = 0xD0;
rk65c02_step(&e, 2);
ATF_CHECK(e.regs.A == 0xA0);
ATF_CHECK(e.regs.P & P_CARRY);
ATF_CHECK(!(e.regs.P & P_SIGN_OVERFLOW));
rk65c02_dump_regs(&e);
}
ATF_TC_WITHOUT_HEAD(emul_sign_overflow_thorough);
ATF_TC_BODY(emul_sign_overflow_thorough, tc)
{
rk65c02emu_t e;
bus_t b;
b = bus_init();
e = rk65c02_init(&b);
ATF_REQUIRE(rom_start(&e, "test_emulation_sign_overflow_thorough.rom", tc));
ATF_CHECK(bus_read_1(&b, 0x20) == 0x0);
}
@ -1110,7 +1254,8 @@ ATF_TP_ADD_TCS(tp)
ATF_TP_ADD_TC(tp, emul_sbc);
ATF_TP_ADD_TC(tp, emul_sbc_16bit);
ATF_TP_ADD_TC(tp, emul_sign_overflow);
ATF_TP_ADD_TC(tp, emul_sign_overflow_basic);
ATF_TP_ADD_TC(tp, emul_sign_overflow_thorough);
return (atf_no_error());
}

36
test/test_emulation_sign_overflow_basic.s Normal file
View File

@ -0,0 +1,36 @@
start: clc
adc #0x10
clc
adc #0x50
clc
adc #0x90
clc
adc #0xD0
clc
adc #0x10
clc
adc #0x50
clc
adc #0x90
clc
adc #0xD0
sec
sbc #0xF0
sec
sbc #0xB0
sec
sbc #0x70
sec
sbc #0x30
sec
sbc #0xF0
sec
sbc #0xB0
sec
sbc #0x70
sec
sbc #0x30
stp