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JMP & JSR instructions

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This commit is contained in:
Aaron Culliney 2014-03-02 14:47:28 -08:00
parent 4e755ad80f
commit 16f061b74a
1 changed files with 215 additions and 0 deletions
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215
src/test/testcpu.c
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@ -3371,6 +3371,213 @@ TEST test_INC_abs_x(uint8_t regA, uint8_t val, uint8_t regX, uint8_t lobyte, uin
PASS();
}
// ----------------------------------------------------------------------------
// JMP instructions
TEST test_JMP_abs(uint8_t lobyte, uint8_t hibyte) {
HEADER0();
testcpu_set_opcode3(0x4c, lobyte, hibyte);
uint8_t regA = (uint8_t)random();
uint8_t regX = (uint8_t)random();
uint8_t regY = (uint8_t)random();
uint8_t f = (uint8_t)random();
uint8_t sp = (uint8_t)random();
uint16_t addrs = (hibyte<<8) | lobyte;
cpu65_current.a = regA;
cpu65_current.x = regX;
cpu65_current.y = regY;
cpu65_current.sp = sp;
cpu65_current.f = f;
cpu65_run();
ASSERT(cpu65_current.pc == addrs);
ASSERT(cpu65_current.a == regA);
ASSERT(cpu65_current.x == regX);
ASSERT(cpu65_current.y == regY);
ASSERT(cpu65_current.f == f);
ASSERT(cpu65_current.sp == sp);
ASSERT(cpu65_debug.ea == addrs);
ASSERT(cpu65_debug.d == 0xff);
ASSERT(cpu65_debug.rw == RW_NONE);
ASSERT(cpu65_debug.opcode == 0x4c);
ASSERT(cpu65_debug.opcycles == (3));
PASS();
}
/*
TEST test_JMP_ind(uint8_t lobyte, uint8_t hibyte) {
// differs for nmos 6502?
FAILm("unimplemented");
}
*/
// 65c02 : 0x6C
TEST test_JMP_ind_65c02(uint8_t _lobyte, uint8_t _hibyte, uint8_t set) {
HEADER0();
testcpu_set_opcode3(0x6c, _lobyte, _hibyte);
uint8_t regA = (uint8_t)random();
uint8_t regX = (uint8_t)random();
uint8_t regY = (uint8_t)random();
uint8_t f = (uint8_t)random();
uint8_t sp = (uint8_t)random();
uint16_t _addrs = (_hibyte<<8) | _lobyte;
if ((_addrs >= 0xbfff) && (_addrs < 0xd000)) {
// HACK FIXME TODO NOTE : for now don't test slot memory ...
PASS();
}
uint8_t lo = apple_ii_64k[0][_addrs];
++_addrs;
uint8_t hi = apple_ii_64k[0][_addrs];
uint16_t addr = (hi<<8) | lo;
--_addrs;
#if 0
// Interesting memory will be HI ROM ... enable this to sanity-check
if (addr != 0) {
fprintf(stderr, "%04x -> (%04x)\n", _addrs, addr);
}
#endif
cpu65_current.a = regA;
cpu65_current.x = regX;
cpu65_current.y = regY;
cpu65_current.sp = sp;
cpu65_current.f = f;
cpu65_run();
ASSERT(cpu65_current.pc == addr);
ASSERT(cpu65_current.a == regA);
ASSERT(cpu65_current.x == regX);
ASSERT(cpu65_current.y == regY);
ASSERT(cpu65_current.f == f);
ASSERT(cpu65_current.sp == sp);
ASSERT(cpu65_debug.ea == _addrs);
ASSERT(cpu65_debug.d == 0xff);
ASSERT(cpu65_debug.rw == RW_NONE);
ASSERT(cpu65_debug.opcode == 0x6c);
ASSERT(cpu65_debug.opcycles == (6));
PASS();
}
// 65c02 : 0x7C
TEST test_JMP_abs_ind_x(uint8_t _lobyte, uint8_t _hibyte, uint8_t set) {
HEADER0();
testcpu_set_opcode3(0x7c, _lobyte, _hibyte);
uint8_t regA = (uint8_t)random();
uint8_t regX = (set == 0xfe) ? set : (uint8_t)random();
uint8_t regY = (uint8_t)random();
uint8_t f = (uint8_t)random();
uint8_t sp = (uint8_t)random();
uint16_t _addrs = (_hibyte<<8) | _lobyte;
_addrs += regX;
if ((_addrs >= 0xbfff) && (_addrs < 0xd000)) {
// HACK FIXME TODO NOTE : for now don't test slot memory ...
PASS();
}
uint8_t lo = apple_ii_64k[0][_addrs];
++_addrs;
uint8_t hi = apple_ii_64k[0][_addrs];
uint16_t addr = (hi<<8) | lo;
--_addrs;
#if 0
// Interesting memory will be HI ROM ... enable this to sanity-check
if (addr != 0) {
fprintf(stderr, "%04x -> (%04x)\n", _addrs, addr);
}
#endif
cpu65_current.a = regA;
cpu65_current.x = regX;
cpu65_current.y = regY;
cpu65_current.sp = sp;
cpu65_current.f = f;
cpu65_run();
ASSERT(cpu65_current.pc == addr);
ASSERT(cpu65_current.a == regA);
ASSERT(cpu65_current.x == regX);
ASSERT(cpu65_current.y == regY);
ASSERT(cpu65_current.f == f);
ASSERT(cpu65_current.sp == sp);
ASSERT(cpu65_debug.ea == _addrs);
ASSERT(cpu65_debug.d == 0xff);
ASSERT(cpu65_debug.rw == RW_NONE);
ASSERT(cpu65_debug.opcode == 0x7c);
ASSERT(cpu65_debug.opcycles == (6));
PASS();
}
// ----------------------------------------------------------------------------
// JSR operand
TEST test_JSR_abs(uint8_t lobyte, uint8_t hibyte) {
HEADER0();
testcpu_set_opcode3(0x20, lobyte, hibyte);
uint8_t regA = (uint8_t)random();
uint8_t regX = (uint8_t)random();
uint8_t regY = (uint8_t)random();
uint8_t f = (uint8_t)random();
uint16_t addrs = (hibyte<<8) | lobyte;
uint8_t hi_ret = ((addrs+1) >> 8) & 0xff;
uint8_t lo_ret = (addrs+1) & 0xff;
cpu65_current.a = regA;
cpu65_current.x = regX;
cpu65_current.y = regY;
cpu65_current.sp = 0xff;
cpu65_current.f = f;
ASSERT(apple_ii_64k[0][0x1ff] != TEST_LOC);
ASSERT(apple_ii_64k[0][0x1fe] != TEST_LOC_LO+2);
cpu65_run();
ASSERT(cpu65_current.pc == addrs);
ASSERT(cpu65_current.a == regA);
ASSERT(cpu65_current.x == regX);
ASSERT(cpu65_current.y == regY);
ASSERT(cpu65_current.f == f);
ASSERT(cpu65_current.sp == 0xfd);
ASSERT(apple_ii_64k[0][0x1ff] == 0x1f);
ASSERT(apple_ii_64k[0][0x1fe] == TEST_LOC_LO+2);
ASSERT(cpu65_debug.ea == addrs);
ASSERT(cpu65_debug.d == 0xff);
ASSERT(cpu65_debug.rw == RW_NONE);
ASSERT(cpu65_debug.opcode == 0x20);
ASSERT(cpu65_debug.opcycles == (6));
PASS();
}
// ----------------------------------------------------------------------------
// NOP operand
@ -3955,6 +4162,10 @@ GREATEST_SUITE(test_suite_cpu) {
A2_ADD_TEST(test_INA);
A2_ADD_TEST(test_INX);
A2_ADD_TEST(test_INY);
A2_ADD_TEST(test_JMP_abs);
A2_ADD_TEST(test_JMP_ind_65c02);
A2_ADD_TEST(test_JMP_abs_ind_x);
A2_ADD_TEST(test_JSR_abs);
A2_ADD_TEST(test_SBC_imm);
HASH_ITER(hh, test_funcs, func, tmp) {
fprintf(GREATEST_STDOUT, "\n%s (SILENCED OUTPUT) :\n", func->name);
@ -3971,6 +4182,10 @@ GREATEST_SUITE(test_suite_cpu) {
} while (++val);
} while (++regA);
if (func->func == (void*)test_JMP_abs_ind_x) {
A2_RUN_TESTp( func->func, 0x01, 0xff, /*alt*/0xfe);
}
fprintf(GREATEST_STDOUT, "...OK\n");
A2_REMOVE_TEST(func);
}