mirror of
https://github.com/pevans/erc-c.git
synced 2024-12-17 12:30:41 +00:00
c946eb3f69
(The previous behavior of RTS/JSR was not right.)
65 lines
1.2 KiB
C
65 lines
1.2 KiB
C
#include <criterion/criterion.h>
|
|
|
|
#include "mos6502.h"
|
|
#include "mos6502.enums.h"
|
|
#include "mos6502.tests.h"
|
|
|
|
TestSuite(mos6502_exec, .init = setup, .fini = teardown);
|
|
|
|
Test(mos6502_exec, brk)
|
|
{
|
|
vm_8bit orig_P = cpu->P;
|
|
|
|
cpu->PC = 123;
|
|
mos6502_handle_brk(cpu, 0);
|
|
cr_assert_eq(cpu->PC, 125);
|
|
cr_assert_eq(cpu->P & MOS_INTERRUPT, MOS_INTERRUPT);
|
|
|
|
cr_assert_eq(mos6502_pop_stack(cpu), orig_P);
|
|
cr_assert_eq(mos6502_pop_stack(cpu), 123);
|
|
}
|
|
|
|
Test(mos6502_exec, jmp)
|
|
{
|
|
cpu->PC = 123;
|
|
cpu->eff_addr = 234;
|
|
mos6502_handle_jmp(cpu, 0);
|
|
|
|
cr_assert_eq(cpu->PC, 234);
|
|
}
|
|
|
|
Test(mos6502_exec, jsr)
|
|
{
|
|
cpu->PC = 123;
|
|
cpu->eff_addr = 235;
|
|
mos6502_handle_jsr(cpu, 0);
|
|
|
|
cr_assert_eq(cpu->PC, 235);
|
|
|
|
cr_assert_eq(mos6502_pop_stack(cpu), 125);
|
|
}
|
|
|
|
Test(mos6502_exec, nop)
|
|
{
|
|
// currently this test does nothing -- we _should_ test to see if we
|
|
// pass the right number of cycles, though.
|
|
}
|
|
|
|
Test(mos6502_exec, rti)
|
|
{
|
|
mos6502_push_stack(cpu, 222);
|
|
mos6502_push_stack(cpu, cpu->P);
|
|
|
|
mos6502_handle_rti(cpu, 0);
|
|
|
|
cr_assert_eq(cpu->PC, 222);
|
|
}
|
|
|
|
Test(mos6502_exec, rts)
|
|
{
|
|
mos6502_push_stack(cpu, 233);
|
|
mos6502_handle_rts(cpu, 0);
|
|
|
|
cr_assert_eq(cpu->PC, 234);
|
|
}
|