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rk65c02/test/test_emulation.c

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#include <atf-c.h>
#include <stdio.h>
#include <stdbool.h>
#include <string.h>
#include "bus.h"
#include "rk65c02.h"
#include "instruction.h"
#include "debug.h"
#include "utils.h"
ATF_TC_WITHOUT_HEAD(emul_bit);
ATF_TC_BODY(emul_bit, tc)
{
rk65c02emu_t e;
bus_t b;
b = bus_init_with_default_devs();
e = rk65c02_init(&b);
/* BIT immediate */
e.regs.A = 0x40;
ATF_REQUIRE(rom_start(&e, "test_emulation_bit_imm.rom", tc));
ATF_CHECK(!(e.regs.P & P_ZERO));
ATF_CHECK(!(e.regs.P & P_NEGATIVE));
/* BIT zero page */
e.regs.A = 0x40;
bus_write_1(&b, 0x10, 0x80);
ATF_REQUIRE(rom_start(&e, "test_emulation_bit_zp.rom", tc));
ATF_CHECK(e.regs.P & P_ZERO);
ATF_CHECK(!(e.regs.P & P_SIGN_OVERFLOW));
ATF_CHECK(e.regs.P & P_NEGATIVE);
/* BIT zero page X */
e.regs.A = 0x40;
e.regs.X = 0x1;
bus_write_1(&b, 0x10, 0x40);
ATF_REQUIRE(rom_start(&e, "test_emulation_bit_zpx.rom", tc));
ATF_CHECK(!(e.regs.P & P_ZERO));
ATF_CHECK(e.regs.P & P_SIGN_OVERFLOW);
ATF_CHECK(!(e.regs.P & P_NEGATIVE));
/* BIT absolute */
e.regs.A = 0x80;
bus_write_1(&b, 0x2010, 0x80);
ATF_REQUIRE(rom_start(&e, "test_emulation_bit_abs.rom", tc));
ATF_CHECK(!(e.regs.P & P_ZERO));
ATF_CHECK(!(e.regs.P & P_SIGN_OVERFLOW));
ATF_CHECK(e.regs.P & P_NEGATIVE);
/* BIT absolute X */
e.regs.A = 0x40;
e.regs.X = 0x2;
bus_write_1(&b, 0x2010, 0x80);
ATF_REQUIRE(rom_start(&e, "test_emulation_bit_absx.rom", tc));
ATF_CHECK(e.regs.P & P_ZERO);
ATF_CHECK(!(e.regs.P & P_SIGN_OVERFLOW));
ATF_CHECK(e.regs.P & P_NEGATIVE);
bus_finish(&b);
}
ATF_TC_WITHOUT_HEAD(emul_cmp);
ATF_TC_BODY(emul_cmp, tc)
{
rk65c02emu_t e;
bus_t b;
b = bus_init_with_default_devs();
e = rk65c02_init(&b);
/* CMP immediate */
e.regs.A = 0xAA;
rk65c02_dump_regs(e.regs);
ATF_REQUIRE(rom_start(&e, "test_emulation_cmp_imm.rom", tc));
rk65c02_dump_regs(e.regs);
ATF_CHECK(e.regs.P & P_ZERO);
ATF_CHECK(e.regs.P & P_CARRY);
ATF_CHECK(!(e.regs.P & P_NEGATIVE));
/* CMP zero page */
e.regs.A = 0xAA;
bus_write_1(&b, 0x10, 0xAB);
rk65c02_dump_regs(e.regs);
ATF_REQUIRE(rom_start(&e, "test_emulation_cmp_zp.rom", tc));
rk65c02_dump_regs(e.regs);
ATF_CHECK(!(e.regs.P & P_ZERO));
ATF_CHECK(!(e.regs.P & P_CARRY));
ATF_CHECK(e.regs.P & P_NEGATIVE);
/* CMP zero page X */
e.regs.A = 0xAA;
e.regs.X = 0x1;
bus_write_1(&b, 0x11, 0xA0);
rk65c02_dump_regs(e.regs);
ATF_REQUIRE(rom_start(&e, "test_emulation_cmp_zpx.rom", tc));
rk65c02_dump_regs(e.regs);
ATF_CHECK(!(e.regs.P & P_ZERO));
ATF_CHECK(e.regs.P & P_CARRY);
ATF_CHECK(!(e.regs.P & P_NEGATIVE));
/* CMP indirect zero page */
e.regs.A = 0x01;
bus_write_1(&b, 0x20, 0x0);
bus_write_1(&b, 0x21, 0x20);
bus_write_1(&b, 0x2000, 0xFF);
rk65c02_dump_regs(e.regs);
ATF_REQUIRE(rom_start(&e, "test_emulation_cmp_izp.rom", tc));
rk65c02_dump_regs(e.regs);
ATF_CHECK(!(e.regs.P & P_ZERO));
ATF_CHECK(!(e.regs.P & P_CARRY));
ATF_CHECK(!(e.regs.P & P_NEGATIVE));
/* CMP indirect zero page X */
e.regs.A = 0x02;
e.regs.X = 0x02;
bus_write_1(&b, 0x22, 0x0);
bus_write_1(&b, 0x23, 0x20);
bus_write_1(&b, 0x2000, 0x3);
rk65c02_dump_regs(e.regs);
ATF_REQUIRE(rom_start(&e, "test_emulation_cmp_izpx.rom", tc));
rk65c02_dump_regs(e.regs);
ATF_CHECK(!(e.regs.P & P_ZERO));
ATF_CHECK(!(e.regs.P & P_CARRY));
ATF_CHECK(e.regs.P & P_NEGATIVE);
/* CMP indirect zero page Y */
e.regs.A = 0x10;
e.regs.Y = 0x01;
bus_write_1(&b, 0x22, 0x0);
bus_write_1(&b, 0x23, 0x20);
bus_write_1(&b, 0x2000, 0xF);
rk65c02_dump_regs(e.regs);
ATF_REQUIRE(rom_start(&e, "test_emulation_cmp_izpy.rom", tc));
rk65c02_dump_regs(e.regs);
ATF_CHECK(e.regs.P & P_ZERO);
ATF_CHECK(e.regs.P & P_CARRY);
ATF_CHECK(!(e.regs.P & P_NEGATIVE));
/* CMP absolute */
e.regs.A = 0xFF;
bus_write_1(&b, 0x2010, 0xFE);
rk65c02_dump_regs(e.regs);
ATF_REQUIRE(rom_start(&e, "test_emulation_cmp_abs.rom", tc));
rk65c02_dump_regs(e.regs);
ATF_CHECK(!(e.regs.P & P_ZERO));
ATF_CHECK(e.regs.P & P_CARRY);
ATF_CHECK(!(e.regs.P & P_NEGATIVE));
/* CMP absolute X */
e.regs.A = 0x55;
e.regs.X = 0x2;
bus_write_1(&b, 0x2012, 0x55);
rk65c02_dump_regs(e.regs);
ATF_REQUIRE(rom_start(&e, "test_emulation_cmp_absx.rom", tc));
rk65c02_dump_regs(e.regs);
ATF_CHECK(e.regs.P & P_ZERO);
ATF_CHECK(e.regs.P & P_CARRY);
ATF_CHECK(!(e.regs.P & P_NEGATIVE));
/* CMP absolute Y */
e.regs.A = 0xAA;
e.regs.Y = 0x50;
bus_write_1(&b, 0x2065, 0x55);
rk65c02_dump_regs(e.regs);
ATF_REQUIRE(rom_start(&e, "test_emulation_cmp_absy.rom", tc));
rk65c02_dump_regs(e.regs);
ATF_CHECK(!(e.regs.P & P_ZERO));
ATF_CHECK(e.regs.P & P_CARRY);
ATF_CHECK(e.regs.P & P_NEGATIVE);
}
ATF_TC_WITHOUT_HEAD(emul_cpx);
ATF_TC_BODY(emul_cpx, tc)
{
rk65c02emu_t e;
bus_t b;
b = bus_init_with_default_devs();
e = rk65c02_init(&b);
/* CPX immediate */
e.regs.X = 0xAA;
rk65c02_dump_regs(e.regs);
ATF_REQUIRE(rom_start(&e, "test_emulation_cpx_imm.rom", tc));
rk65c02_dump_regs(e.regs);
ATF_CHECK(e.regs.P & P_ZERO);
ATF_CHECK(e.regs.P & P_CARRY);
ATF_CHECK(!(e.regs.P & P_NEGATIVE));
/* CPX zero page */
e.regs.X = 0xAA;
bus_write_1(&b, 0x10, 0xAB);
rk65c02_dump_regs(e.regs);
ATF_REQUIRE(rom_start(&e, "test_emulation_cpx_zp.rom", tc));
rk65c02_dump_regs(e.regs);
ATF_CHECK(!(e.regs.P & P_ZERO));
ATF_CHECK(!(e.regs.P & P_CARRY));
ATF_CHECK(e.regs.P & P_NEGATIVE);
/* CPX absolute */
e.regs.X = 0xFF;
bus_write_1(&b, 0x2010, 0xFE);
rk65c02_dump_regs(e.regs);
ATF_REQUIRE(rom_start(&e, "test_emulation_cpx_abs.rom", tc));
rk65c02_dump_regs(e.regs);
ATF_CHECK(!(e.regs.P & P_ZERO));
ATF_CHECK(e.regs.P & P_CARRY);
ATF_CHECK(!(e.regs.P & P_NEGATIVE));
}
ATF_TC_WITHOUT_HEAD(emul_cpy);
ATF_TC_BODY(emul_cpy, tc)
{
rk65c02emu_t e;
bus_t b;
b = bus_init_with_default_devs();
e = rk65c02_init(&b);
/* CPY immediate */
e.regs.Y = 0xAA;
rk65c02_dump_regs(e.regs);
ATF_REQUIRE(rom_start(&e, "test_emulation_cpy_imm.rom", tc));
rk65c02_dump_regs(e.regs);
ATF_CHECK(e.regs.P & P_ZERO);
ATF_CHECK(e.regs.P & P_CARRY);
ATF_CHECK(!(e.regs.P & P_NEGATIVE));
/* CPY zero page */
e.regs.Y = 0xAA;
bus_write_1(&b, 0x10, 0xAB);
rk65c02_dump_regs(e.regs);
ATF_REQUIRE(rom_start(&e, "test_emulation_cpy_zp.rom", tc));
rk65c02_dump_regs(e.regs);
ATF_CHECK(!(e.regs.P & P_ZERO));
ATF_CHECK(!(e.regs.P & P_CARRY));
ATF_CHECK(e.regs.P & P_NEGATIVE);
/* CPY absolute */
e.regs.Y = 0xFF;
bus_write_1(&b, 0x2010, 0xFE);
rk65c02_dump_regs(e.regs);
ATF_REQUIRE(rom_start(&e, "test_emulation_cpy_abs.rom", tc));
rk65c02_dump_regs(e.regs);
ATF_CHECK(!(e.regs.P & P_ZERO));
ATF_CHECK(e.regs.P & P_CARRY);
ATF_CHECK(!(e.regs.P & P_NEGATIVE));
}
ATF_TC_WITHOUT_HEAD(emul_dex_dey);
ATF_TC_BODY(emul_dex_dey, tc)
{
rk65c02emu_t e;
bus_t b;
b = bus_init_with_default_devs();
e = rk65c02_init(&b);
/* DEX */
e.regs.X = 0x1;
ATF_REQUIRE(rom_start(&e, "test_emulation_dex.rom", tc));
ATF_CHECK(e.regs.X == 0x0);
/* DEX underflow */
ATF_REQUIRE(rom_start(&e, "test_emulation_dex.rom", tc));
ATF_CHECK(e.regs.X == 0xFF);
/* DEY */
e.regs.Y = 0x1;
ATF_REQUIRE(rom_start(&e, "test_emulation_dey.rom", tc));
ATF_CHECK(e.regs.Y == 0x0);
/* DEY underflow */
ATF_REQUIRE(rom_start(&e, "test_emulation_dey.rom", tc));
ATF_CHECK(e.regs.Y == 0xFF);
bus_finish(&b);
}
ATF_TC_WITHOUT_HEAD(emul_dec);
ATF_TC_BODY(emul_dec, tc)
{
rk65c02emu_t e;
bus_t b;
b = bus_init_with_default_devs();
e = rk65c02_init(&b);
/* DEC A */
e.regs.A = 0x1;
ATF_REQUIRE(rom_start(&e, "test_emulation_dec_a.rom", tc));
ATF_CHECK(e.regs.A == 0x0);
/* DEC A underflow */
e.regs.A = 0x0;
ATF_REQUIRE(rom_start(&e, "test_emulation_dec_a.rom", tc));
ATF_CHECK(e.regs.A == 0xFF);
/* DEC zero page */
bus_write_1(&b, 0x10, 0x01);
ATF_REQUIRE(rom_start(&e, "test_emulation_dec_zp.rom", tc));
ATF_CHECK(bus_read_1(&b, 0x10) == 0x0);
/* DEC zero page underflow */
ATF_REQUIRE(rom_start(&e, "test_emulation_dec_zp.rom", tc));
ATF_CHECK(bus_read_1(&b, 0x10) == 0xFF);
/* DEC zero page X */
e.regs.X = 1;
bus_write_1(&b, 0x11, 0x01);
ATF_REQUIRE(rom_start(&e, "test_emulation_dec_zpx.rom", tc));
ATF_CHECK(bus_read_1(&b, 0x11) == 0x0);
/* DEC zero page X overflow */
ATF_REQUIRE(rom_start(&e, "test_emulation_dec_zpx.rom", tc));
ATF_CHECK(bus_read_1(&b, 0x11) == 0xFF);
/* DEC absolute */
bus_write_1(&b, 0x2010, 0xA1);
ATF_REQUIRE(rom_start(&e, "test_emulation_dec_abs.rom", tc));
ATF_CHECK(bus_read_1(&b, 0x2010) == 0xA0);
/* DEC absolute overflow */
bus_write_1(&b, 0x2010, 0x0);
ATF_REQUIRE(rom_start(&e, "test_emulation_dec_abs.rom", tc));
ATF_CHECK(bus_read_1(&b, 0x2010) == 0xFF);
/* DEC absolute X */
e.regs.X = 0x10;
bus_write_1(&b, 0x2020, 0x1);
ATF_REQUIRE(rom_start(&e, "test_emulation_dec_absx.rom", tc));
ATF_CHECK(bus_read_1(&b, 0x2020) == 0x0);
/* DEC absolute X underflow */
ATF_REQUIRE(rom_start(&e, "test_emulation_dec_absx.rom", tc));
ATF_CHECK(bus_read_1(&b, 0x2020) == 0xFF);
bus_finish(&b);
}
ATF_TC_WITHOUT_HEAD(emul_inc);
ATF_TC_BODY(emul_inc, tc)
{
rk65c02emu_t e;
bus_t b;
b = bus_init_with_default_devs();
e = rk65c02_init(&b);
/* INC A */
e.regs.A = 0x1;
ATF_REQUIRE(rom_start(&e, "test_emulation_inc_a.rom", tc));
ATF_CHECK(e.regs.A == 0x2);
/* rk65c02_dump_regs(e.regs);*/
/* INC A overflow */
e.regs.A = 0xFF;
ATF_REQUIRE(rom_start(&e, "test_emulation_inc_a.rom", tc));
ATF_CHECK(e.regs.A == 0x0);
/* INC zero page */
bus_write_1(&b, 0x10, 0x00);
ATF_REQUIRE(rom_start(&e, "test_emulation_inc_zp.rom", tc));
ATF_CHECK(bus_read_1(&b, 0x10) == 0x1);
/* INC zero page overflow */
bus_write_1(&b, 0x10, 0xFF);
ATF_REQUIRE(rom_start(&e, "test_emulation_inc_zp.rom", tc));
ATF_CHECK(bus_read_1(&b, 0x10) == 0x00);
/* INC zero page X */
e.regs.X = 1;
bus_write_1(&b, 0x11, 0x00);
ATF_REQUIRE(rom_start(&e, "test_emulation_inc_zpx.rom", tc));
ATF_CHECK(bus_read_1(&b, 0x11) == 0x1);
/* INC zero page X overflow */
bus_write_1(&b, 0x11, 0xFF);
ATF_REQUIRE(rom_start(&e, "test_emulation_inc_zpx.rom", tc));
ATF_CHECK(bus_read_1(&b, 0x11) == 0x00);
/* INC absolute */
bus_write_1(&b, 0x2010, 0xA0);
ATF_REQUIRE(rom_start(&e, "test_emulation_inc_abs.rom", tc));
ATF_CHECK(bus_read_1(&b, 0x2010) == 0xA1);
/* INC absolute overflow */
bus_write_1(&b, 0x2010, 0xFF);
ATF_REQUIRE(rom_start(&e, "test_emulation_inc_abs.rom", tc));
ATF_CHECK(bus_read_1(&b, 0x2010) == 0x00);
/* INC absolute X */
e.regs.X = 0x10;
bus_write_1(&b, 0x2020, 0xFE);
ATF_REQUIRE(rom_start(&e, "test_emulation_inc_absx.rom", tc));
ATF_CHECK(bus_read_1(&b, 0x2020) == 0xFF);
/* INC absolute X overflow */
ATF_REQUIRE(rom_start(&e, "test_emulation_inc_absx.rom", tc));
ATF_CHECK(bus_read_1(&b, 0x2020) == 0x00);
bus_finish(&b);
}
ATF_TC_WITHOUT_HEAD(emul_inx_iny);
ATF_TC_BODY(emul_inx_iny, tc)
{
rk65c02emu_t e;
bus_t b;
b = bus_init_with_default_devs();
e = rk65c02_init(&b);
/* INX */
e.regs.X = 0;
ATF_REQUIRE(rom_start(&e, "test_emulation_inx.rom", tc));
ATF_CHECK(e.regs.X == 0x1);
/* INX overflow */
e.regs.X = 0xFF;
ATF_REQUIRE(rom_start(&e, "test_emulation_inx.rom", tc));
ATF_CHECK(e.regs.X == 0x0);
/* INY */
e.regs.Y = 0;
ATF_REQUIRE(rom_start(&e, "test_emulation_iny.rom", tc));
ATF_CHECK(e.regs.Y == 0x1);
/* INY overflow */
e.regs.Y = 0xFF;
ATF_REQUIRE(rom_start(&e, "test_emulation_iny.rom", tc));
ATF_CHECK(e.regs.Y == 0x0);
bus_finish(&b);
}
ATF_TC_WITHOUT_HEAD(emul_lda);
ATF_TC_BODY(emul_lda, tc)
{
rk65c02emu_t e;
bus_t b;
b = bus_init_with_default_devs();
e = rk65c02_init(&b);
/* LDA immediate */
ATF_REQUIRE(rom_start(&e, "test_emulation_lda_imm.rom", tc));
/* ATF_CHECK(e.state == STOPPED); // separate test case for states? */
ATF_CHECK(e.regs.PC == ROM_LOAD_ADDR+3); // separate test case for PC? */
ATF_CHECK(e.regs.A == 0xAF);
/* LDA zero page */
bus_write_1(&b, 0x10, 0xAE);
ATF_REQUIRE(rom_start(&e, "test_emulation_lda_zp.rom", tc));
ATF_CHECK(e.regs.A == 0xAE);
/* LDA absolute */
bus_write_1(&b, 0x2F5A, 0xEA);
ATF_REQUIRE(rom_start(&e, "test_emulation_lda_abs.rom", tc));
ATF_CHECK(e.regs.A == 0xEA);
/* LDA absolute X */
bus_write_1(&b, 0x2F5A, 0xEB);
e.regs.X = 0x5A;
ATF_REQUIRE(rom_start(&e, "test_emulation_lda_absx.rom", tc));
ATF_CHECK(e.regs.A == 0xEB);
/* LDA absolute X */
bus_write_1(&b, 0x2F5E, 0xEC);
e.regs.Y = 0x5E;
ATF_REQUIRE(rom_start(&e, "test_emulation_lda_absy.rom", tc));
ATF_CHECK(e.regs.A == 0xEC);
bus_finish(&b);
}
ATF_TC_WITHOUT_HEAD(emul_stz);
ATF_TC_BODY(emul_stz, tc)
{
rk65c02emu_t e;
bus_t b;
b = bus_init_with_default_devs();
e = rk65c02_init(&b);
/* STZ zp */
bus_write_1(&b, 0x10, 0xAA);
ATF_REQUIRE(rom_start(&e, "test_emulation_stz_zp.rom", tc));
ATF_CHECK(bus_read_1(&b, 0x10) == 0x00);
bus_finish(&b);
}
ATF_TC_WITHOUT_HEAD(emul_clv);
ATF_TC_BODY(emul_clv, tc)
{
rk65c02emu_t e;
bus_t b;
b = bus_init_with_default_devs();
e = rk65c02_init(&b);
e.regs.P |= P_SIGN_OVERFLOW;
/* CLV */
ATF_REQUIRE(rom_start(&e, "test_emulation_clv.rom", tc));
ATF_CHECK(e.regs.P ^ P_SIGN_OVERFLOW);
bus_finish(&b);
}
ATF_TC_WITHOUT_HEAD(emul_clc_sec);
ATF_TC_BODY(emul_clc_sec, tc)
{
rk65c02emu_t e;
bus_t b;
b = bus_init_with_default_devs();
e = rk65c02_init(&b);
/* SEC */
e.regs.P &= ~P_CARRY;
ATF_REQUIRE(rom_start(&e, "test_emulation_sec.rom", tc));
ATF_CHECK(e.regs.P & P_CARRY);
/* CLC */
ATF_REQUIRE(rom_start(&e, "test_emulation_clc.rom", tc));
ATF_CHECK(e.regs.P ^ P_CARRY);
bus_finish(&b);
}
ATF_TC_WITHOUT_HEAD(emul_cli_sei);
ATF_TC_BODY(emul_cli_sei, tc)
{
rk65c02emu_t e;
bus_t b;
b = bus_init_with_default_devs();
e = rk65c02_init(&b);
/* CLI */
ATF_REQUIRE(rom_start(&e, "test_emulation_cli.rom", tc));
ATF_CHECK(!(e.regs.P & P_IRQ_DISABLE));
/* SEI */
ATF_REQUIRE(rom_start(&e, "test_emulation_sei.rom", tc));
ATF_CHECK(e.regs.P & P_IRQ_DISABLE);
bus_finish(&b);
}
ATF_TC_WITHOUT_HEAD(emul_and);
ATF_TC_BODY(emul_and, tc)
{
rk65c02emu_t e;
bus_t b;
b = bus_init_with_default_devs();
e = rk65c02_init(&b);
/* AND immediate */
e.regs.A = 0xFF;
ATF_REQUIRE(rom_start(&e, "test_emulation_and_imm.rom", tc));
ATF_CHECK(e.regs.A == 0xAA);
/* AND zero page */
/* bus_write_1(&b, 0x10, 0xAE);
ATF_REQUIRE(rom_start(&e, "test_emulation_and_zp.rom", tc));
ATF_CHECK(e.regs.A == 0xAE);*/
bus_finish(&b);
}
ATF_TC_WITHOUT_HEAD(emul_nop);
ATF_TC_BODY(emul_nop, tc)
{
rk65c02emu_t e;
bus_t b;
b = bus_init_with_default_devs();
e = rk65c02_init(&b);
e.regs.PC = ROM_LOAD_ADDR;
ATF_REQUIRE(rom_start(&e, "test_emulation_nop.rom", tc));
ATF_CHECK(e.regs.PC == ROM_LOAD_ADDR+2);
bus_finish(&b);
}
ATF_TC_WITHOUT_HEAD(emul_sta);
ATF_TC_BODY(emul_sta, tc)
{
rk65c02emu_t e;
bus_t b;
b = bus_init_with_default_devs();
e = rk65c02_init(&b);
/* STA zero page */
e.regs.A = 0xAA;
ATF_REQUIRE(rom_start(&e, "test_emulation_sta_zp.rom", tc));
ATF_CHECK(bus_read_1(&b, 0x20) == 0xAA);
/* STA zero page X */
e.regs.A = 0x55;
e.regs.X = 0x1;
ATF_REQUIRE(rom_start(&e, "test_emulation_sta_zpx.rom", tc));
ATF_CHECK(bus_read_1(&b, 0x20) == 0x55);
/* STA absolute */
e.regs.A = 0xAA;
ATF_REQUIRE(rom_start(&e, "test_emulation_sta_abs.rom", tc));
ATF_CHECK(bus_read_1(&b, 0x2010) == 0xAA);
/* STA absolute X */
e.regs.A = 0x55;
e.regs.X = 0x10;
ATF_REQUIRE(rom_start(&e, "test_emulation_sta_absx.rom", tc));
ATF_CHECK(bus_read_1(&b, 0x2010) == 0x55);
/* STA absolute Y */
e.regs.A = 0xAA;
e.regs.X = 0;
e.regs.Y = 0x1;
ATF_REQUIRE(rom_start(&e, "test_emulation_sta_absy.rom", tc));
ATF_CHECK(bus_read_1(&b, 0x2010) == 0xAA);
/* STA indirect zero */
e.regs.A = 0x55;
bus_write_1(&b, 0x25, 0x10);
bus_write_1(&b, 0x26, 0x20);
ATF_REQUIRE(rom_start(&e, "test_emulation_sta_izp.rom", tc));
ATF_CHECK(bus_read_1(&b, 0x2010) == 0x55);
/* STA indirect zero page X */
e.regs.A = 0xAA;
e.regs.X = 0x4;
e.regs.Y = 0;
ATF_REQUIRE(rom_start(&e, "test_emulation_sta_izpx.rom", tc));
ATF_CHECK(bus_read_1(&b, 0x2010) == 0xAA);
/* STA indirect zero page Y */
e.regs.A = 0x54;
e.regs.X = 0;
e.regs.Y = 0x1;
ATF_REQUIRE(rom_start(&e, "test_emulation_sta_izpy.rom", tc));
ATF_CHECK(bus_read_1(&b, 0x2010) == 0x55);
bus_finish(&b);
}
ATF_TC_WITHOUT_HEAD(emul_ora);
ATF_TC_BODY(emul_ora, tc)
{
rk65c02emu_t e;
bus_t b;
b = bus_init_with_default_devs();
e = rk65c02_init(&b);
/* ORA immediate */
e.regs.A = 0x55;
ATF_REQUIRE(rom_start(&e, "test_emulation_ora_imm.rom", tc));
ATF_CHECK(e.regs.A == 0xFF);
/* ORA zero page */
e.regs.A = 0xAA;
bus_write_1(&b, 0x10, 0x55);
ATF_REQUIRE(rom_start(&e, "test_emulation_ora_zp.rom", tc));
ATF_CHECK(e.regs.A == 0xFF);
/* ORA zero page X */
e.regs.A = 0xAA;
e.regs.X = 0x11;
bus_write_1(&b, 0x21, 0x55);
ATF_REQUIRE(rom_start(&e, "test_emulation_ora_zpx.rom", tc));
ATF_CHECK(e.regs.A == 0xFF);
/* ORA absolute */
e.regs.A = 0x55;
bus_write_1(&b, 0x2A01, 0xAA);
ATF_REQUIRE(rom_start(&e, "test_emulation_ora_abs.rom", tc));
ATF_CHECK(e.regs.A == 0xFF);
/* ORA absolute X */
e.regs.A = 0xAA;
e.regs.X = 0x1;
bus_write_1(&b, 0x2A01, 0x55);
ATF_REQUIRE(rom_start(&e, "test_emulation_ora_absx.rom", tc));
ATF_CHECK(e.regs.A == 0xFF);
/* ORA absolute Y */
e.regs.A = 0x55;
e.regs.X = 0;
e.regs.Y = 0x2;
bus_write_1(&b, 0x2A02, 0xAA);
ATF_REQUIRE(rom_start(&e, "test_emulation_ora_absy.rom", tc));
ATF_CHECK(e.regs.A == 0xFF);
/* ORA indirect zero */
e.regs.A = 0xAA;
bus_write_1(&b, 0x2A04, 0x55);
bus_write_1(&b, 0x12, 0x04);
bus_write_1(&b, 0x13, 0x2A);
ATF_REQUIRE(rom_start(&e, "test_emulation_ora_izp.rom", tc));
ATF_CHECK(e.regs.A == 0xFF);
/* ORA indirect zero page X */
e.regs.A = 0xAA;
e.regs.X = 0x2;
e.regs.Y = 0;
ATF_REQUIRE(rom_start(&e, "test_emulation_ora_izpx.rom", tc));
ATF_CHECK(e.regs.A == 0xFF);
/* ORA indirect zero page Y */
e.regs.A = 0xAA;
e.regs.X = 0;
e.regs.Y = 0x1;
bus_write_1(&b, 0x2A04, 0x54);
bus_write_1(&b, 0x14, 0x04);
bus_write_1(&b, 0x15, 0x2A);
ATF_REQUIRE(rom_start(&e, "test_emulation_ora_izpy.rom", tc));
ATF_CHECK(e.regs.A == 0xFF);
bus_finish(&b);
}
ATF_TC_WITHOUT_HEAD(emul_txa_tya_tax_tay);
ATF_TC_BODY(emul_txa_tya_tax_tay, tc)
{
rk65c02emu_t e;
bus_t b;
b = bus_init_with_default_devs();
e = rk65c02_init(&b);
e.regs.A = 0x0;
e.regs.X = 0xAA;
e.regs.Y = 0x55;
ATF_REQUIRE(rom_start(&e, "test_emulation_txa.rom", tc));
ATF_CHECK(e.regs.A == 0xAA);
ATF_REQUIRE(rom_start(&e, "test_emulation_tya.rom", tc));
ATF_CHECK(e.regs.A == 0x55);
ATF_REQUIRE(rom_start(&e, "test_emulation_tax.rom", tc));
ATF_CHECK(e.regs.X == 0x55);
e.regs.A = 0xFF;
ATF_REQUIRE(rom_start(&e, "test_emulation_tay.rom", tc));
ATF_CHECK(e.regs.A == 0xFF);
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_with_default_devs();
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", tc));
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.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", tc));
ATF_CHECK(e.regs.SP == 0xFE);
ATF_CHECK(e.regs.A == 0xAB);
bus_finish(&b);
}
ATF_TC_WITHOUT_HEAD(emul_php_plp);
ATF_TC_BODY(emul_php_plp, tc)
{
rk65c02emu_t e;
bus_t b;
b = bus_init_with_default_devs();
e = rk65c02_init(&b);
e.regs.SP = 0xFF;
e.regs.P |= P_CARRY|P_ZERO|P_UNDEFINED;
ATF_REQUIRE(rom_start(&e, "test_emulation_php.rom", tc));
ATF_CHECK(e.regs.SP == 0xFE);
ATF_CHECK(bus_read_1(e.bus, STACK_END) == (P_IRQ_DISABLE|P_CARRY|P_ZERO|P_UNDEFINED));
/*
* Now let's see if loading back into accumulator works.
*/
bus_write_1(e.bus, STACK_END, P_CARRY|P_DECIMAL);
ATF_REQUIRE(rom_start(&e, "test_emulation_plp.rom", tc));
ATF_CHECK(e.regs.SP == 0xFF);
ATF_CHECK(e.regs.P == (P_CARRY|P_DECIMAL|P_UNDEFINED));
bus_finish(&b);
}
ATF_TC_WITHOUT_HEAD(emul_phx_phy_plx_ply);
ATF_TC_BODY(emul_phx_phy_plx_ply, tc)
{
rk65c02emu_t e;
bus_t b;
b = bus_init_with_default_devs();
e = rk65c02_init(&b);
/* check push X to stack */
e.regs.X = 0xAA;
e.regs.SP = 0xFF;
ATF_REQUIRE(rom_start(&e, "test_emulation_phx.rom", tc));
ATF_CHECK(e.regs.SP == 0xFE);
ATF_CHECK(bus_read_1(e.bus, STACK_END) == 0xAA);
/* check pull X from stack */
e.regs.X = 0;
ATF_REQUIRE(rom_start(&e, "test_emulation_plx.rom", tc));
ATF_CHECK(e.regs.SP == 0xFF);
ATF_CHECK(e.regs.X == 0xAA);
/* check push Y to stack */
e.regs.Y = 0x55;
e.regs.SP = 0xFF;
ATF_REQUIRE(rom_start(&e, "test_emulation_phy.rom", tc));
ATF_CHECK(e.regs.SP == 0xFE);
ATF_CHECK(bus_read_1(e.bus, STACK_END) == 0x55);
/* check pull X from stack */
e.regs.Y = 0xFF;
ATF_REQUIRE(rom_start(&e, "test_emulation_ply.rom", tc));
ATF_CHECK(e.regs.SP == 0xFF);
ATF_CHECK(e.regs.Y == 0x55);
bus_finish(&b);
}
ATF_TC_WITHOUT_HEAD(emul_jmp);
ATF_TC_BODY(emul_jmp, tc)
{
rk65c02emu_t e;
bus_t b;
b = bus_init_with_default_devs();
e = rk65c02_init(&b);
/* JMP absolute */
e.regs.PC = ROM_LOAD_ADDR;
ATF_REQUIRE(bus_load_file(&b, ROM_LOAD_ADDR,
rom_path("test_emulation_jmp_abs.rom", tc)));
rk65c02_step(&e, 3);
ATF_CHECK(e.regs.PC == 0xC000);
/* JMP indirect absolute */
e.regs.PC = ROM_LOAD_ADDR;
ATF_REQUIRE(bus_load_file(&b, ROM_LOAD_ADDR,
rom_path("test_emulation_jmp_iabs.rom", tc)));
bus_write_1(&b, 0x20, 0x0);
bus_write_1(&b, 0x21, 0xC0);
rk65c02_step(&e, 3);
ATF_CHECK(e.regs.PC == 0xC000);
/* JMP indirect absolute X */
e.regs.PC = ROM_LOAD_ADDR;
ATF_REQUIRE(bus_load_file(&b, ROM_LOAD_ADDR,
rom_path("test_emulation_jmp_iabsx.rom", tc)));
e.regs.X = 0x10;
bus_write_1(&b, 0x40, 0x0);
bus_write_1(&b, 0x41, 0xC0);
rk65c02_step(&e, 3);
ATF_CHECK(e.regs.PC == 0xC000);
}
ATF_TC_WITHOUT_HEAD(emul_jsr_rts);
ATF_TC_BODY(emul_jsr_rts, tc)
{
rk65c02emu_t e;
bus_t b;
b = bus_init_with_default_devs();
e = rk65c02_init(&b);
/* JSR and RTS */
e.regs.PC = ROM_LOAD_ADDR;
ATF_REQUIRE(bus_load_file(&b, ROM_LOAD_ADDR,
rom_path("test_emulation_jsr_rts.rom", tc)));
rk65c02_step(&e, 2);
ATF_CHECK(e.regs.PC == 0xC006);
rk65c02_start(&e);
ATF_CHECK(e.regs.PC == 0xC006);
}
ATF_TC_WITHOUT_HEAD(emul_branch);
ATF_TC_BODY(emul_branch, tc)
{
rk65c02emu_t e;
bus_t b;
b = bus_init_with_default_devs();
e = rk65c02_init(&b);
/* BCC */
e.regs.PC = ROM_LOAD_ADDR;
ATF_REQUIRE(bus_load_file(&b, ROM_LOAD_ADDR,
rom_path("test_emulation_bcc.rom", tc)));
e.regs.P &= ~P_CARRY;
rk65c02_step(&e, 2);
ATF_CHECK(e.regs.PC == 0xC005);
rk65c02_step(&e, 2);
ATF_CHECK(e.regs.PC == 0xC003);
rk65c02_start(&e);
/* BCS */
e.regs.PC = ROM_LOAD_ADDR;
ATF_REQUIRE(bus_load_file(&b, ROM_LOAD_ADDR,
rom_path("test_emulation_bcs.rom", tc)));
e.regs.P |= P_CARRY;
rk65c02_step(&e, 2);
ATF_CHECK(e.regs.PC == 0xC005);
rk65c02_step(&e, 2);
ATF_CHECK(e.regs.PC == 0xC003);
rk65c02_start(&e);
/* BRA */
e.regs.PC = ROM_LOAD_ADDR;
ATF_REQUIRE(bus_load_file(&b, ROM_LOAD_ADDR,
rom_path("test_emulation_bra.rom", tc)));
rk65c02_step(&e, 1);
ATF_CHECK(e.regs.PC == 0xC004);
rk65c02_start(&e);
/* BEQ */
e.regs.PC = ROM_LOAD_ADDR;
ATF_REQUIRE(bus_load_file(&b, ROM_LOAD_ADDR,
rom_path("test_emulation_beq.rom", tc)));
e.regs.P |= P_ZERO;
rk65c02_step(&e, 2);
ATF_CHECK(e.regs.PC == 0xC005);
rk65c02_step(&e, 2);
ATF_CHECK(e.regs.PC == 0xC003);
rk65c02_start(&e);
/* BMI */
e.regs.PC = ROM_LOAD_ADDR;
ATF_REQUIRE(bus_load_file(&b, ROM_LOAD_ADDR,
rom_path("test_emulation_bmi.rom", tc)));
e.regs.P |= P_NEGATIVE;
rk65c02_step(&e, 2);
ATF_CHECK(e.regs.PC == 0xC005);
rk65c02_step(&e, 2);
ATF_CHECK(e.regs.PC == 0xC003);
rk65c02_start(&e);
/* BNE */
e.regs.PC = ROM_LOAD_ADDR;
ATF_REQUIRE(bus_load_file(&b, ROM_LOAD_ADDR,
rom_path("test_emulation_bne.rom", tc)));
e.regs.P &= ~P_ZERO;
rk65c02_step(&e, 2);
ATF_CHECK(e.regs.PC == 0xC005);
rk65c02_step(&e, 2);
ATF_CHECK(e.regs.PC == 0xC003);
rk65c02_start(&e);
/* BPL */
e.regs.PC = ROM_LOAD_ADDR;
ATF_REQUIRE(bus_load_file(&b, ROM_LOAD_ADDR,
rom_path("test_emulation_bpl.rom", tc)));
e.regs.P &= ~P_NEGATIVE;
rk65c02_step(&e, 2);
ATF_CHECK(e.regs.PC == 0xC005);
rk65c02_step(&e, 2);
ATF_CHECK(e.regs.PC == 0xC003);
rk65c02_start(&e);
/* BVC */
e.regs.PC = ROM_LOAD_ADDR;
ATF_REQUIRE(bus_load_file(&b, ROM_LOAD_ADDR,
rom_path("test_emulation_bvc.rom", tc)));
e.regs.P &= ~P_SIGN_OVERFLOW;
rk65c02_step(&e, 2);
ATF_CHECK(e.regs.PC == 0xC005);
rk65c02_step(&e, 2);
ATF_CHECK(e.regs.PC == 0xC003);
rk65c02_start(&e);
/* BVS */
e.regs.PC = ROM_LOAD_ADDR;
ATF_REQUIRE(bus_load_file(&b, ROM_LOAD_ADDR,
rom_path("test_emulation_bvs.rom", tc)));
e.regs.P |= P_SIGN_OVERFLOW;
rk65c02_step(&e, 2);
ATF_CHECK(e.regs.PC == 0xC005);
rk65c02_step(&e, 2);
ATF_CHECK(e.regs.PC == 0xC003);
rk65c02_start(&e);
}
ATF_TC_WITHOUT_HEAD(emul_sign_overflow_basic);
ATF_TC_BODY(emul_sign_overflow_basic, tc)
{
rk65c02emu_t e;
bus_t b;
b = bus_init_with_default_devs();
e = rk65c02_init(&b);
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.regs);
/* 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.regs);
/* 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.regs);
/* 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.regs);
/* 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.regs);
/* 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.regs);
/* 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.regs);
/* 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.regs);
/* 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.regs);
/* 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.regs);
/* 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.regs);
/* 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.regs);
/* 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.regs);
/* 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.regs);
/* 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.regs);
/* 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.regs);
}
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_with_default_devs();
e = rk65c02_init(&b);
ATF_REQUIRE(rom_start(&e, "test_emulation_sign_overflow_thorough.rom", tc));
ATF_CHECK(bus_read_1(&b, 0x20) == 0x0);
}
ATF_TC_WITHOUT_HEAD(emul_sbc);
ATF_TC_BODY(emul_sbc, tc)
{
rk65c02emu_t e;
bus_t b;
b = bus_init_with_default_devs();
e = rk65c02_init(&b);
ATF_REQUIRE(rom_start(&e, "test_emulation_sbc_imm.rom", tc));
ATF_CHECK(bus_read_1(&b, 0x10) == 0x0);
ATF_CHECK(bus_read_1(&b, 0x11) == 0xFF);
rk65c02_dump_regs(e.regs);
}
ATF_TC_WITHOUT_HEAD(emul_adc_bcd);
ATF_TC_BODY(emul_adc_bcd, tc)
{
rk65c02emu_t e;
bus_t b;
b = bus_init_with_default_devs();
e = rk65c02_init(&b);
ATF_REQUIRE(rom_start(&e, "test_emulation_adc_bcd.rom", tc));
ATF_CHECK(bus_read_1(&b, 0x10) == 0x05);
ATF_CHECK(bus_read_1(&b, 0x11) & P_CARRY);
ATF_CHECK(bus_read_1(&b, 0x20) == 0x46);
ATF_CHECK(!(bus_read_1(&b, 0x21) & P_CARRY));
ATF_CHECK(bus_read_1(&b, 0x30) == 0x41);
ATF_CHECK(!(bus_read_1(&b, 0x31) & P_CARRY));
ATF_CHECK(bus_read_1(&b, 0x40) == 0x73);
ATF_CHECK(bus_read_1(&b, 0x41) & P_CARRY);
rk65c02_dump_regs(e.regs);
}
ATF_TC_WITHOUT_HEAD(emul_sbc_bcd);
ATF_TC_BODY(emul_sbc_bcd, tc)
{
rk65c02emu_t e;
bus_t b;
b = bus_init_with_default_devs();
e = rk65c02_init(&b);
ATF_REQUIRE(rom_start(&e, "test_emulation_sbc_bcd.rom", tc));
ATF_CHECK(bus_read_1(&b, 0x10) == 0x34);
ATF_CHECK(bus_read_1(&b, 0x11) & P_CARRY);
ATF_CHECK(bus_read_1(&b, 0x20) == 0x27);
ATF_CHECK(bus_read_1(&b, 0x21) & P_CARRY);
ATF_CHECK(bus_read_1(&b, 0x30) == 0x29);
ATF_CHECK(bus_read_1(&b, 0x31) & P_CARRY);
rk65c02_dump_regs(e.regs);
}
ATF_TC_WITHOUT_HEAD(emul_adc_16bit);
ATF_TC_BODY(emul_adc_16bit, tc)
{
rk65c02emu_t e;
bus_t b;
b = bus_init_with_default_devs();
e = rk65c02_init(&b);
bus_write_1(&b, 0x62, 0x55);
bus_write_1(&b, 0x63, 0xAA);
bus_write_1(&b, 0x64, 0xAA);
bus_write_1(&b, 0x65, 0x55);
ATF_REQUIRE(rom_start(&e, "test_emulation_adc_16bit.rom", tc));
ATF_CHECK(bus_read_1(&b, 0x66) == 0xFF);
ATF_CHECK(bus_read_1(&b, 0x67) == 0xFF);
rk65c02_dump_regs(e.regs);
}
ATF_TC_WITHOUT_HEAD(emul_sbc_16bit);
ATF_TC_BODY(emul_sbc_16bit, tc)
{
rk65c02emu_t e;
bus_t b;
b = bus_init_with_default_devs();
e = rk65c02_init(&b);
bus_write_1(&b, 0x62, 0xFF);
bus_write_1(&b, 0x63, 0xFF);
bus_write_1(&b, 0x64, 0xAA);
bus_write_1(&b, 0x65, 0x55);
ATF_REQUIRE(rom_start(&e, "test_emulation_sbc_16bit.rom", tc));
printf("%x %x\n", bus_read_1(&b, 0x66), bus_read_1(&b, 0x67)) ;
ATF_CHECK(bus_read_1(&b, 0x66) == 0x55);
ATF_CHECK(bus_read_1(&b, 0x67) == 0xAA);
rk65c02_dump_regs(e.regs);
}
/*
* This test tries to check every variant of RMBx instruction by resetting bits within 0x10-0x17 memory range.
* This area is filled with 0xFF's before starting the emulator. It is expected that after running code within
* the emulator, appropriate bits will be cleared (i.e. bit 0 in 0x10, bit 1 in 0x11, etc.).
*/
ATF_TC_WITHOUT_HEAD(emul_rmb);
ATF_TC_BODY(emul_rmb, tc)
{
rk65c02emu_t e;
bus_t b;
assembler_t a;
uint8_t i;
char instr[] = "rmb ";
b = bus_init_with_default_devs();
a = assemble_init(&b, ROM_LOAD_ADDR);
e = rk65c02_init(&b);
e.regs.PC = ROM_LOAD_ADDR;
for (i = 0; i < 8; i++) {
instr[3] = '0'+i;
ATF_REQUIRE(assemble_single(&a, instr, ZP, 0x10+i, 0));
}
ATF_REQUIRE(assemble_single_implied(&a, "stp"));
for (i = 0; i < 8; i++) {
bus_write_1(&b, 0x10+i, 0xFF);
}
rk65c02_start(&e);
for (i = 0; i < 8; i++) {
ATF_CHECK(!(BIT(bus_read_1(&b, 0x10+i), i)));
}
}
/*
* This test tries to check every variant of SMBx instruction by setting bits within 0x10-0x17 memory range.
* This area is filled with 0x00's before starting the emulator. It is expected that after running code within
* the emulator, appropriate bits will be set (i.e. bit 0 in 0x10, bit 1 in 0x11, etc.).
*/
ATF_TC_WITHOUT_HEAD(emul_smb);
ATF_TC_BODY(emul_smb, tc)
{
rk65c02emu_t e;
bus_t b;
assembler_t a;
uint8_t i;
char instr[] = "smb ";
b = bus_init_with_default_devs();
a = assemble_init(&b, ROM_LOAD_ADDR);
e = rk65c02_init(&b);
e.regs.PC = ROM_LOAD_ADDR;
for (i = 0; i < 8; i++) {
instr[3] = '0'+i;
ATF_REQUIRE(assemble_single(&a, instr, ZP, 0x10+i, 0));
}
ATF_REQUIRE(assemble_single_implied(&a, "stp"));
for (i = 0; i < 8; i++) {
bus_write_1(&b, 0x10+i, 0x00);
}
rk65c02_start(&e);
for (i = 0; i < 8; i++) {
ATF_CHECK(BIT(bus_read_1(&b, 0x10+i), i));
}
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, emul_and);
ATF_TP_ADD_TC(tp, emul_adc_16bit);
ATF_TP_ADD_TC(tp, emul_adc_bcd);
ATF_TP_ADD_TC(tp, emul_bit);
ATF_TP_ADD_TC(tp, emul_branch);
ATF_TP_ADD_TC(tp, emul_cmp);
ATF_TP_ADD_TC(tp, emul_cpx);
ATF_TP_ADD_TC(tp, emul_cpy);
ATF_TP_ADD_TC(tp, emul_dec);
ATF_TP_ADD_TC(tp, emul_dex_dey);
ATF_TP_ADD_TC(tp, emul_clc_sec);
ATF_TP_ADD_TC(tp, emul_cli_sei);
ATF_TP_ADD_TC(tp, emul_clv);
ATF_TP_ADD_TC(tp, emul_inc);
ATF_TP_ADD_TC(tp, emul_inx_iny);
ATF_TP_ADD_TC(tp, emul_jmp);
ATF_TP_ADD_TC(tp, emul_jsr_rts);
ATF_TP_ADD_TC(tp, emul_lda);
ATF_TP_ADD_TC(tp, emul_nop);
ATF_TP_ADD_TC(tp, emul_ora);
ATF_TP_ADD_TC(tp, emul_stz);
ATF_TP_ADD_TC(tp, emul_php_plp);
ATF_TP_ADD_TC(tp, emul_phx_phy_plx_ply);
ATF_TP_ADD_TC(tp, emul_stack);
ATF_TP_ADD_TC(tp, emul_txa_tya_tax_tay);
ATF_TP_ADD_TC(tp, emul_sta);
ATF_TP_ADD_TC(tp, emul_sbc);
ATF_TP_ADD_TC(tp, emul_sbc_16bit);
ATF_TP_ADD_TC(tp, emul_sbc_bcd);
ATF_TP_ADD_TC(tp, emul_rmb);
ATF_TP_ADD_TC(tp, emul_smb);
ATF_TP_ADD_TC(tp, emul_sign_overflow_basic);
ATF_TP_ADD_TC(tp, emul_sign_overflow_thorough);
return (atf_no_error());
}
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