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7f6b8d3587
This change required a number of consequent changes to assumptions we'd made, and I'm not 100% confident we have things right at this point in time.
104 lines
2.0 KiB
C
104 lines
2.0 KiB
C
#include <criterion/criterion.h>
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#include "mos6502.h"
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#include "mos6502.enums.h"
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#include "mos6502.tests.h"
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TestSuite(mos6502_branch, .init = setup, .fini = teardown);
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Test(mos6502_branch, bcc)
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{
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cpu->last_addr = 123;
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mos6502_handle_bcc(cpu, 0);
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cr_assert_eq(cpu->PC, 123);
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cpu->P |= MOS_CARRY;
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cpu->last_addr = 125;
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mos6502_handle_bcc(cpu, 0);
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cr_assert_neq(cpu->PC, 127);
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}
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Test(mos6502_branch, bcs)
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{
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cpu->last_addr = 123;
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mos6502_handle_bcs(cpu, 0);
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cr_assert_neq(cpu->PC, 123);
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cpu->P |= MOS_CARRY;
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cpu->last_addr = 125;
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mos6502_handle_bcs(cpu, 0);
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cr_assert_eq(cpu->PC, 125);
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}
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Test(mos6502_branch, beq)
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{
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cpu->last_addr = 123;
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mos6502_handle_beq(cpu, 0);
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cr_assert_neq(cpu->PC, 123);
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cpu->P |= MOS_ZERO;
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cpu->last_addr = 125;
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mos6502_handle_beq(cpu, 0);
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cr_assert_eq(cpu->PC, 125);
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}
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Test(mos6502_branch, bmi)
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{
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cpu->last_addr = 123;
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mos6502_handle_bmi(cpu, 0);
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cr_assert_neq(cpu->PC, 123);
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cpu->P |= MOS_NEGATIVE;
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cpu->last_addr = 125;
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mos6502_handle_bmi(cpu, 0);
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cr_assert_eq(cpu->PC, 125);
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}
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Test(mos6502_branch, bne)
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{
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cpu->last_addr = 123;
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mos6502_handle_bne(cpu, 0);
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cr_assert_eq(cpu->PC, 123);
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cpu->P |= MOS_ZERO;
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cpu->last_addr = 125;
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mos6502_handle_bne(cpu, 0);
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cr_assert_neq(cpu->PC, 127);
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}
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Test(mos6502_branch, bpl)
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{
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cpu->last_addr = 123;
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mos6502_handle_bpl(cpu, 0);
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cr_assert_eq(cpu->PC, 123);
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cpu->P |= MOS_NEGATIVE;
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cpu->last_addr = 125;
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mos6502_handle_bpl(cpu, 0);
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cr_assert_neq(cpu->PC, 127);
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}
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Test(mos6502_branch, bvc)
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{
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cpu->last_addr = 123;
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mos6502_handle_bvc(cpu, 0);
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cr_assert_eq(cpu->PC, 123);
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cpu->P |= MOS_OVERFLOW;
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cpu->last_addr = 125;
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mos6502_handle_bvc(cpu, 0);
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cr_assert_neq(cpu->PC, 127);
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}
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Test(mos6502_branch, bvs)
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{
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cpu->last_addr = 123;
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mos6502_handle_bvs(cpu, 0);
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cr_assert_neq(cpu->PC, 123);
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cpu->P |= MOS_OVERFLOW;
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cpu->last_addr = 125;
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mos6502_handle_bvs(cpu, 0);
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cr_assert_eq(cpu->PC, 125);
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}
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