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erc-c/tests/apple2.mem.c
Peter Evans 45eb7b5e58 Add zero page memory mapper functions
This also adds tests for those functions. We have, furthermore, removed
some redundant (and non-externed!) functions from apple2.mem.c which was
the old bank switching code that got moved to apple2.bank.c.
2018-01-13 00:38:29 -06:00

80 lines
2.0 KiB
C

#include <criterion/criterion.h>
#include "apple2.h"
#include "apple2.mem.h"
#include "apple2.bank.h"
static apple2 *mach = NULL;
static void
setup()
{
mach = apple2_create(100, 100);
vm_segment_set_map_machine(mach);
}
static void
teardown()
{
apple2_free(mach);
vm_segment_set_map_machine(NULL);
}
TestSuite(apple2_mem, .init = setup, .fini = teardown);
Test(apple2_mem, map)
{
size_t addr;
int i;
vm_segment *segments[2];
segments[0] = mach->main;
segments[1] = mach->aux;
for (i = 0; i < 2; i++) {
for (addr = 0x0; addr < 0x200; addr++) {
cr_assert_eq(segments[i]->read_table[addr], apple2_mem_zp_read);
cr_assert_eq(segments[i]->write_table[addr], apple2_mem_zp_write);
}
}
}
Test(apple2_mem, init_peripheral_rom)
{
// FIXME: this isn't working, _and_ it's pretty tightly coupled into
// the create() function. We could use a better way of testing this.
//cr_assert_eq(apple2_mem_init_disk2_rom(mach), OK);
}
Test(apple2_mem, init_sys_rom)
{
// FIXME: same
//cr_assert_eq(apple2_mem_init_sys_rom(mach), OK);
}
/*
* You may notice some direct accesses to the memory field; it's needed
* to get around the mapper functionality we're trying to test! This
* test also works on both the read/write mapper functionality.
*
* Test(apple2_mem, zp_write)
*/
Test(apple2_mem, zp_read)
{
apple2_set_bank_switch(mach, BANK_DEFAULT);
mos6502_set(mach->cpu, 0, 123);
cr_assert_eq(mach->main->memory[0], 123);
cr_assert_neq(mach->aux->memory[0], 123);
// Once we switch to BANK_ALTZP, we should see that the data in main
// got copied over. That's tested elsewhere, but I put it here just
// to make sure you have the right mental model when looking at this
// test code.
apple2_set_bank_switch(mach, BANK_ALTZP);
cr_assert_eq(mach->aux->memory[0], 123);
mos6502_set(mach->cpu, 0, 234);
cr_assert_neq(mach->main->memory[0], 234);
cr_assert_eq(mach->aux->memory[0], 234);
}