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rk65c02
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Add preliminary stack tests, test ROMs for PLA, PHA.

This commit is contained in:
Radosław Kujawa 2017-01-20 23:18:25 +01:00
parent 51de051e19
commit 07e1a008d9
4 changed files with 51 additions and 1 deletions
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1
test/Makefile
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@ -6,6 +6,7 @@ VASMFLAGS=-Fbin -c02
TESTS=test_bus test_emulation
TESTROMS=test_emulation_and_imm.rom \
test_emulation_pha.rom test_emulation_pla.rom \
test_emulation_nop.rom \
test_emulation_lda_imm.rom test_emulation_lda_zp.rom

45
test/test_emulation.c
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@ -80,9 +80,51 @@ ATF_TC_BODY(emul_nop, tc)
ATF_REQUIRE(rom_start(&e, "test_emulation_nop.rom"));
ATF_CHECK(e.regs.PC == ROM_LOAD_ADDR+2);
bus_finish(&b);
}
/* test stack operation and stack related opcodes - PLA, PHA... */
ATF_TC_WITHOUT_HEAD(emul_stack);
ATF_TC_BODY(emul_stack, tc)
{
rk65c02emu_t e;
bus_t b;
b = bus_init();
e = rk65c02_init(&b);
/* place 0xAA on stack */
e.regs.SP = 0xFF;
e.regs.A = 0xAA;
ATF_REQUIRE(rom_start(&e, "test_emulation_pha.rom"));
ATF_CHECK(e.regs.SP == 0xFE);
ATF_CHECK(bus_read_1(e.bus, STACK_END) == 0xAA);
/*
* Run again to see if stack pointer further decrements and we'll
* end up with one more value on stack.
*/
e.regs.PC = ROM_LOAD_ADDR;
e.regs.A = 0xAB;
rk65c02_start(&e);
ATF_CHECK(e.regs.PC == ROM_LOAD_ADDR+2);
ATF_CHECK(e.regs.SP == 0xFD);
ATF_CHECK(bus_read_1(e.bus, STACK_END) == 0xAA);
ATF_CHECK(bus_read_1(e.bus, STACK_END-1) == 0xAB);
/*
* Now let's see if loading back into accumulator works.
*/
e.regs.A = 0x0;
ATF_REQUIRE(rom_start(&e, "test_emulation_pla.rom"));
ATF_CHECK(e.regs.SP == 0xFE);
ATF_CHECK(e.regs.A == 0xAB);
bus_finish(&b);
}
@ -92,6 +134,7 @@ ATF_TP_ADD_TCS(tp)
ATF_TP_ADD_TC(tp, emul_and);
ATF_TP_ADD_TC(tp, emul_lda);
ATF_TP_ADD_TC(tp, emul_nop);
ATF_TP_ADD_TC(tp, emul_stack);
return (atf_no_error());
}

3
test/test_emulation_pha.s Normal file
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@ -0,0 +1,3 @@
start: pha
stp

3
test/test_emulation_pla.s Normal file
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@ -0,0 +1,3 @@
start: pla
stp