diff options
Diffstat (limited to 'emu/tests/test_cpu_6502.c')
| -rw-r--r-- | emu/tests/test_cpu_6502.c | 412 |
1 files changed, 412 insertions, 0 deletions
diff --git a/emu/tests/test_cpu_6502.c b/emu/tests/test_cpu_6502.c index 94b68b4..2425be8 100644 --- a/emu/tests/test_cpu_6502.c +++ b/emu/tests/test_cpu_6502.c @@ -148,6 +148,68 @@ START_TEST( test_cpu_6502_txs ) } END_TEST +// CLI + +START_TEST( test_cpu_6502_cli ) +{ + INIT_CPU_TEST + + CODE_SET1( 0x58 ); // CLI + + cpu.PS |= PS_I; + + COPY_CPU_TEST + + cpu_6502_run_steps( &cpu, 1 ); + + PRINT_CPU_TEST + + ck_assert_int_eq( cpu.error_state, ERROR_STATE_OK ); + ck_assert_int_eq( cpu.PC, before_cpu.PC+1 ); + ck_assert_int_eq( cpu.SP, before_cpu.SP ); + ck_assert_int_eq( cpu.PS & ~PS_I, before_cpu.PS & ~PS_I ); + ck_assert( !cpu_6502_is_interrupt( &cpu ) ); + ck_assert_int_eq( cpu.A, before_cpu.A ); + ck_assert_int_eq( cpu.X, before_cpu.X ); + ck_assert_int_eq( cpu.Y, before_cpu.Y ); + ck_assert_mem_eq( ram.cell, before_ram.cell, ram.size ); + ck_assert_int_eq( cpu.cycles, 2 ); + + DEINIT_CPU_TEST +} +END_TEST + +// SEI + +START_TEST( test_cpu_6502_sei ) +{ + INIT_CPU_TEST + + CODE_SET1( 0x78 ); // SEI + + cpu.PS &= ~PS_I; + + COPY_CPU_TEST + + cpu_6502_run_steps( &cpu, 1 ); + + PRINT_CPU_TEST + + ck_assert_int_eq( cpu.error_state, ERROR_STATE_OK ); + ck_assert_int_eq( cpu.PC, before_cpu.PC+1 ); + ck_assert_int_eq( cpu.SP, before_cpu.SP ); + ck_assert_int_eq( cpu.PS & ~PS_I, before_cpu.PS & ~PS_I ); + ck_assert( cpu_6502_is_interrupt( &cpu ) ); + ck_assert_int_eq( cpu.A, before_cpu.A ); + ck_assert_int_eq( cpu.X, before_cpu.X ); + ck_assert_int_eq( cpu.Y, before_cpu.Y ); + ck_assert_mem_eq( ram.cell, before_ram.cell, ram.size ); + ck_assert_int_eq( cpu.cycles, 2 ); + + DEINIT_CPU_TEST +} +END_TEST + // LDA START_TEST( test_cpu_6502_lda_flags_positive ) @@ -238,6 +300,37 @@ START_TEST( test_cpu_6502_lda_flags_zero ) } END_TEST +START_TEST( test_cpu_6502_lda_addr_abs ) +{ + INIT_CPU_TEST + + CODE_SET3( 0xad, 0x03, 0x01 ); // LDA #$0103 + + cpu.A = 0xff; + ram.cell[0x0103] = 0xea; + + COPY_CPU_TEST + + cpu_6502_run_steps( &cpu, 1 ); + + PRINT_CPU_TEST + + ck_assert_int_eq( cpu.error_state, ERROR_STATE_OK ); + ck_assert_int_eq( cpu.PC, before_cpu.PC+3 ); + ck_assert_int_eq( cpu.SP, before_cpu.SP ); + ck_assert_int_eq( cpu.PS & ~( PS_N | PS_Z ), before_cpu.PS & ~( PS_N | PS_Z ) ); + ck_assert( !cpu_6502_is_zero( &cpu ) ); + ck_assert( cpu_6502_is_negative( &cpu ) ); + ck_assert_int_eq( cpu.A, 0xea ); + ck_assert_int_eq( cpu.X, before_cpu.X ); + ck_assert_int_eq( cpu.Y, before_cpu.Y ); + ck_assert_mem_eq( ram.cell, before_ram.cell, ram.size ); + ck_assert_int_eq( cpu.cycles, 4 ); + + DEINIT_CPU_TEST +} +END_TEST + // LDY START_TEST( test_cpu_6502_ldy_flags_positive ) @@ -480,6 +573,68 @@ START_TEST( test_cpu_6502_stx_addr_abs ) } END_TEST +// STA + +START_TEST( test_cpu_6502_sta_addr_zero ) +{ + INIT_CPU_TEST + + CODE_SET2( 0x85, 0x03 ); // STA $03 + + cpu.A = 0xea; + + COPY_CPU_TEST + + cpu_6502_run_steps( &cpu, 1 ); + + PRINT_CPU_TEST + + ck_assert_int_eq( cpu.error_state, ERROR_STATE_OK ); + ck_assert_int_eq( cpu.PC, before_cpu.PC+2 ); + ck_assert_int_eq( cpu.SP, before_cpu.SP ); + ck_assert_int_eq( cpu.PS, before_cpu.PS ); + ck_assert_int_eq( cpu.A, before_cpu.A ); + ck_assert_int_eq( cpu.X, before_cpu.X ); + ck_assert_int_eq( cpu.Y, before_cpu.Y ); + ck_assert_mem_eq( &ram.cell[0x0], &before_ram.cell[0x0], 3 ); + ck_assert_int_eq( ram.cell[0x03], 0xea ); + ck_assert_mem_eq( &ram.cell[0x04], &before_ram.cell[0x04], 0x1FF - 0x03 ); + ck_assert_int_eq( cpu.cycles, 3 ); + + DEINIT_CPU_TEST +} +END_TEST + +START_TEST( test_cpu_6502_sta_addr_abs ) +{ + INIT_CPU_TEST + + CODE_SET3( 0x8d, 0x03, 0x01 ); // STA #$0103 + + cpu.A = 0xea; + + COPY_CPU_TEST + + cpu_6502_run_steps( &cpu, 1 ); + + PRINT_CPU_TEST + + ck_assert_int_eq( cpu.error_state, ERROR_STATE_OK ); + ck_assert_int_eq( cpu.PC, before_cpu.PC+3 ); + ck_assert_int_eq( cpu.SP, before_cpu.SP ); + ck_assert_int_eq( cpu.PS, before_cpu.PS ); + ck_assert_int_eq( cpu.A, before_cpu.A ); + ck_assert_int_eq( cpu.X, before_cpu.X ); + ck_assert_int_eq( cpu.Y, before_cpu.Y ); + ck_assert_mem_eq( &ram.cell[0x0], &before_ram.cell[0x0], 0x102 ); + ck_assert_int_eq( ram.cell[0x0103], 0xea ); // modified value in memory + ck_assert_mem_eq( &ram.cell[0x104], &before_ram.cell[0x104], 0x1FF - 0x103 ); + ck_assert_int_eq( cpu.cycles, 4 ); + + DEINIT_CPU_TEST +} +END_TEST + // INC START_TEST( test_cpu_6502_inc_flags_positive ) @@ -888,6 +1043,250 @@ START_TEST( test_cpu_6502_rol_flags_accumulator_carry ) } END_TEST +// AND + +START_TEST( test_cpu_6502_and_flags_positive ) +{ + INIT_CPU_TEST + + CODE_SET2( 0x29, 0x0f ); // AND #$0f + + cpu.A = 0x36; + + COPY_CPU_TEST + + cpu_6502_run_steps( &cpu, 1 ); + + PRINT_CPU_TEST + + ck_assert_int_eq( cpu.error_state, ERROR_STATE_OK ); + ck_assert_int_eq( cpu.PC, before_cpu.PC+2 ); + ck_assert_int_eq( cpu.SP, before_cpu.SP ); + ck_assert_int_eq( cpu.PS & ~( PS_N | PS_Z ), before_cpu.PS & ~( PS_N | PS_Z ) ); + ck_assert( !cpu_6502_is_zero( &cpu ) ); + ck_assert( !cpu_6502_is_negative( &cpu ) ); + ck_assert_int_eq( cpu.A, 0x06 ); + ck_assert_int_eq( cpu.X, before_cpu.X ); + ck_assert_int_eq( cpu.Y, before_cpu.Y ); + ck_assert_mem_eq( ram.cell, before_ram.cell, ram.size ); + ck_assert_int_eq( cpu.cycles, 2 ); + + DEINIT_CPU_TEST +} +END_TEST + +START_TEST( test_cpu_6502_and_flags_negative ) +{ + INIT_CPU_TEST + + CODE_SET2( 0x29, 0x8f ); // AND #$8f + + cpu.A = 0xf6; + + COPY_CPU_TEST + + cpu_6502_run_steps( &cpu, 1 ); + + PRINT_CPU_TEST + + ck_assert_int_eq( cpu.error_state, ERROR_STATE_OK ); + ck_assert_int_eq( cpu.PC, before_cpu.PC+2 ); + ck_assert_int_eq( cpu.SP, before_cpu.SP ); + ck_assert_int_eq( cpu.PS & ~( PS_N | PS_Z ), before_cpu.PS & ~( PS_N | PS_Z ) ); + ck_assert( !cpu_6502_is_zero( &cpu ) ); + ck_assert( cpu_6502_is_negative( &cpu ) ); + ck_assert_int_eq( cpu.A, 0x86 ); + ck_assert_int_eq( cpu.X, before_cpu.X ); + ck_assert_int_eq( cpu.Y, before_cpu.Y ); + ck_assert_mem_eq( ram.cell, before_ram.cell, ram.size ); + ck_assert_int_eq( cpu.cycles, 2 ); + + DEINIT_CPU_TEST +} +END_TEST + +START_TEST( test_cpu_6502_and_flags_zero ) +{ + INIT_CPU_TEST + + CODE_SET2( 0x29, 0x00 ); // AND #$00 + + cpu.A = 0xf6; + + COPY_CPU_TEST + + cpu_6502_run_steps( &cpu, 1 ); + + PRINT_CPU_TEST + + ck_assert_int_eq( cpu.error_state, ERROR_STATE_OK ); + ck_assert_int_eq( cpu.PC, before_cpu.PC+2 ); + ck_assert_int_eq( cpu.SP, before_cpu.SP ); + ck_assert_int_eq( cpu.PS & ~( PS_N | PS_Z ), before_cpu.PS & ~( PS_N | PS_Z ) ); + ck_assert( cpu_6502_is_zero( &cpu ) ); + ck_assert( !cpu_6502_is_negative( &cpu ) ); + ck_assert_int_eq( cpu.A, 0x00 ); + ck_assert_int_eq( cpu.X, before_cpu.X ); + ck_assert_int_eq( cpu.Y, before_cpu.Y ); + ck_assert_mem_eq( ram.cell, before_ram.cell, ram.size ); + ck_assert_int_eq( cpu.cycles, 2 ); + + DEINIT_CPU_TEST +} +END_TEST + +START_TEST( test_cpu_6502_and_addr_imm ) +{ + INIT_CPU_TEST + + CODE_SET2( 0x29, 0xf0 ); // AND #$f0 + + cpu.A = 0xff; + + COPY_CPU_TEST + + cpu_6502_run_steps( &cpu, 1 ); + + PRINT_CPU_TEST + + ck_assert_int_eq( cpu.error_state, ERROR_STATE_OK ); + ck_assert_int_eq( cpu.PC, before_cpu.PC+2 ); + ck_assert_int_eq( cpu.SP, before_cpu.SP ); + ck_assert_int_eq( cpu.PS & ~( PS_N | PS_Z ), before_cpu.PS & ~( PS_N | PS_Z ) ); + ck_assert( !cpu_6502_is_zero( &cpu ) ); + ck_assert( cpu_6502_is_negative( &cpu ) ); + ck_assert_int_eq( cpu.A, 0xf0 ); + ck_assert_int_eq( cpu.X, before_cpu.X ); + ck_assert_int_eq( cpu.Y, before_cpu.Y ); + ck_assert_mem_eq( ram.cell, before_ram.cell, ram.size ); + ck_assert_int_eq( cpu.cycles, 2 ); + + DEINIT_CPU_TEST +} +END_TEST + +// ORA + +START_TEST( test_cpu_6502_ora_flags_positive ) +{ + INIT_CPU_TEST + + CODE_SET2( 0x09, 0x0f ); // ORA #$08 + + cpu.A = 0x37; + + COPY_CPU_TEST + + cpu_6502_run_steps( &cpu, 1 ); + + PRINT_CPU_TEST + + ck_assert_int_eq( cpu.error_state, ERROR_STATE_OK ); + ck_assert_int_eq( cpu.PC, before_cpu.PC+2 ); + ck_assert_int_eq( cpu.SP, before_cpu.SP ); + ck_assert_int_eq( cpu.PS & ~( PS_N | PS_Z ), before_cpu.PS & ~( PS_N | PS_Z ) ); + ck_assert( !cpu_6502_is_zero( &cpu ) ); + ck_assert( !cpu_6502_is_negative( &cpu ) ); + ck_assert_int_eq( cpu.A, 0x3f ); + ck_assert_int_eq( cpu.X, before_cpu.X ); + ck_assert_int_eq( cpu.Y, before_cpu.Y ); + ck_assert_mem_eq( ram.cell, before_ram.cell, ram.size ); + ck_assert_int_eq( cpu.cycles, 2 ); + + DEINIT_CPU_TEST +} +END_TEST + +START_TEST( test_cpu_6502_ora_flags_negative ) +{ + INIT_CPU_TEST + + CODE_SET2( 0x09, 0x22 ); // ORA #$22 + + cpu.A = 0x86; + + COPY_CPU_TEST + + cpu_6502_run_steps( &cpu, 1 ); + + PRINT_CPU_TEST + + ck_assert_int_eq( cpu.error_state, ERROR_STATE_OK ); + ck_assert_int_eq( cpu.PC, before_cpu.PC+2 ); + ck_assert_int_eq( cpu.SP, before_cpu.SP ); + ck_assert_int_eq( cpu.PS & ~( PS_N | PS_Z ), before_cpu.PS & ~( PS_N | PS_Z ) ); + ck_assert( !cpu_6502_is_zero( &cpu ) ); + ck_assert( cpu_6502_is_negative( &cpu ) ); + ck_assert_int_eq( cpu.A, 0xa6 ); + ck_assert_int_eq( cpu.X, before_cpu.X ); + ck_assert_int_eq( cpu.Y, before_cpu.Y ); + ck_assert_mem_eq( ram.cell, before_ram.cell, ram.size ); + ck_assert_int_eq( cpu.cycles, 2 ); + + DEINIT_CPU_TEST +} +END_TEST + +START_TEST( test_cpu_6502_ora_flags_zero ) +{ + INIT_CPU_TEST + + CODE_SET2( 0x09, 0x00 ); // ORA #$00 + + cpu.A = 0x00; + + COPY_CPU_TEST + + cpu_6502_run_steps( &cpu, 1 ); + + PRINT_CPU_TEST + + ck_assert_int_eq( cpu.error_state, ERROR_STATE_OK ); + ck_assert_int_eq( cpu.PC, before_cpu.PC+2 ); + ck_assert_int_eq( cpu.SP, before_cpu.SP ); + ck_assert_int_eq( cpu.PS & ~( PS_N | PS_Z ), before_cpu.PS & ~( PS_N | PS_Z ) ); + ck_assert( cpu_6502_is_zero( &cpu ) ); + ck_assert( !cpu_6502_is_negative( &cpu ) ); + ck_assert_int_eq( cpu.A, 0x00 ); + ck_assert_int_eq( cpu.X, before_cpu.X ); + ck_assert_int_eq( cpu.Y, before_cpu.Y ); + ck_assert_mem_eq( ram.cell, before_ram.cell, ram.size ); + ck_assert_int_eq( cpu.cycles, 2 ); + + DEINIT_CPU_TEST +} +END_TEST + +START_TEST( test_cpu_6502_ora_addr_imm ) +{ + INIT_CPU_TEST + + CODE_SET2( 0x09, 0x55 ); // ORA #$55 + + cpu.A = 0x1a; + + COPY_CPU_TEST + + cpu_6502_run_steps( &cpu, 1 ); + + PRINT_CPU_TEST + + ck_assert_int_eq( cpu.error_state, ERROR_STATE_OK ); + ck_assert_int_eq( cpu.PC, before_cpu.PC+2 ); + ck_assert_int_eq( cpu.SP, before_cpu.SP ); + ck_assert_int_eq( cpu.PS & ~( PS_N | PS_Z ), before_cpu.PS & ~( PS_N | PS_Z ) ); + ck_assert( !cpu_6502_is_zero( &cpu ) ); + ck_assert( !cpu_6502_is_negative( &cpu ) ); + ck_assert_int_eq( cpu.A, 0x5f ); + ck_assert_int_eq( cpu.X, before_cpu.X ); + ck_assert_int_eq( cpu.Y, before_cpu.Y ); + ck_assert_mem_eq( ram.cell, before_ram.cell, ram.size ); + ck_assert_int_eq( cpu.cycles, 2 ); + + DEINIT_CPU_TEST +} +END_TEST + // CPX START_TEST( test_cpu_6502_cpx_flags_equals ) @@ -1267,9 +1666,12 @@ static Suite *make_cpu_6502_testsuite( void ) create_cpu_6502_testcase( suite, "NOP", test_cpu_6502_nop ); create_cpu_6502_testcase( suite, "TXS", test_cpu_6502_txs ); + create_cpu_6502_testcase( suite, "CLI", test_cpu_6502_cli ); + create_cpu_6502_testcase( suite, "SEI", test_cpu_6502_sei ); create_cpu_6502_testcase( suite, "LDA (flags, positive)", test_cpu_6502_lda_flags_positive ); create_cpu_6502_testcase( suite, "LDA (flags, negative)", test_cpu_6502_lda_flags_negative ); create_cpu_6502_testcase( suite, "LDA (flags, zero)", test_cpu_6502_lda_flags_zero ); + create_cpu_6502_testcase( suite, "LDA (addr, absolute)", test_cpu_6502_lda_addr_abs ); create_cpu_6502_testcase( suite, "LDX (flags, positive)", test_cpu_6502_ldx_flags_positive ); create_cpu_6502_testcase( suite, "LDX (flags, negative)", test_cpu_6502_ldx_flags_negative ); create_cpu_6502_testcase( suite, "LDX (flags, zero)", test_cpu_6502_ldx_flags_zero ); @@ -1278,6 +1680,8 @@ static Suite *make_cpu_6502_testsuite( void ) create_cpu_6502_testcase( suite, "LDY (flags, zero)", test_cpu_6502_ldy_flags_zero ); create_cpu_6502_testcase( suite, "STX (addr, zero)", test_cpu_6502_stx_addr_zero ); create_cpu_6502_testcase( suite, "STX (addr, absolute)", test_cpu_6502_stx_addr_abs ); + create_cpu_6502_testcase( suite, "STA (addr, zero)", test_cpu_6502_sta_addr_zero ); + create_cpu_6502_testcase( suite, "STA (addr, absolute)", test_cpu_6502_sta_addr_abs ); create_cpu_6502_testcase( suite, "INC (flags, positive)", test_cpu_6502_inc_flags_positive ); create_cpu_6502_testcase( suite, "INC (flags, negative)", test_cpu_6502_inc_flags_negative ); create_cpu_6502_testcase( suite, "INC (flags, zero)", test_cpu_6502_inc_flags_zero ); @@ -1291,6 +1695,14 @@ static Suite *make_cpu_6502_testsuite( void ) create_cpu_6502_testcase( suite, "DEY (flags, negative)", test_cpu_6502_dey_flags_negative ); create_cpu_6502_testcase( suite, "DEY (flags, zero)", test_cpu_6502_dey_flags_zero ); create_cpu_6502_testcase( suite, "ROL (flags, carry)", test_cpu_6502_rol_flags_accumulator_carry ); + create_cpu_6502_testcase( suite, "AND (flags, positive)", test_cpu_6502_and_flags_positive ); + create_cpu_6502_testcase( suite, "AND (flags, negative)", test_cpu_6502_and_flags_negative ); + create_cpu_6502_testcase( suite, "AND (flags, zero)", test_cpu_6502_and_flags_zero ); + create_cpu_6502_testcase( suite, "AND (addr, immediate)", test_cpu_6502_and_addr_imm ); + create_cpu_6502_testcase( suite, "ORA (flags, positive)", test_cpu_6502_ora_flags_positive ); + create_cpu_6502_testcase( suite, "ORA (flags, negative)", test_cpu_6502_ora_flags_negative ); + create_cpu_6502_testcase( suite, "ORA (flags, zero)", test_cpu_6502_ora_flags_zero ); + create_cpu_6502_testcase( suite, "ORA (addr, immediate)", test_cpu_6502_ora_addr_imm ); create_cpu_6502_testcase( suite, "CPX (flags, equals)", test_cpu_6502_cpx_flags_equals ); create_cpu_6502_testcase( suite, "CPX (flags, less)", test_cpu_6502_cpx_flags_less ); create_cpu_6502_testcase( suite, "CPX (flags, greater)", test_cpu_6502_cpx_flags_greater ); |