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65 lines
1.2 KiB
C
65 lines
1.2 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_exec, .init = setup, .fini = teardown);
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Test(mos6502_exec, brk)
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{
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vm_8bit orig_P = cpu->P;
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cpu->PC = 123;
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mos6502_handle_brk(cpu, 0);
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cr_assert_eq(cpu->PC, 125);
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cr_assert_eq(cpu->P & MOS_INTERRUPT, MOS_INTERRUPT);
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cr_assert_eq(mos6502_pop_stack(cpu), orig_P);
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cr_assert_eq(mos6502_pop_stack(cpu), 123);
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}
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Test(mos6502_exec, jmp)
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{
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cpu->PC = 123;
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cpu->eff_addr = 234;
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mos6502_handle_jmp(cpu, 0);
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cr_assert_eq(cpu->PC, 234);
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}
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Test(mos6502_exec, jsr)
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{
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cpu->PC = 123;
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cpu->eff_addr = 235;
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mos6502_handle_jsr(cpu, 0);
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cr_assert_eq(cpu->PC, 235);
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cr_assert_eq(mos6502_pop_stack(cpu), 126);
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}
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Test(mos6502_exec, nop)
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{
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// currently this test does nothing -- we _should_ test to see if we
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// pass the right number of cycles, though.
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}
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Test(mos6502_exec, rti)
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{
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mos6502_push_stack(cpu, 222);
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mos6502_push_stack(cpu, cpu->P);
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mos6502_handle_rti(cpu, 0);
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cr_assert_eq(cpu->PC, 222);
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}
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Test(mos6502_exec, rts)
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{
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mos6502_push_stack(cpu, 333);
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mos6502_handle_rts(cpu, 0);
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cr_assert_eq(cpu->PC, 333);
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}
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