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erc-c/tests/apple2.c
Peter Evans a8bba409c3 Change 16-bit references to respect little-endianness
As the Apple II (or rather the 6502 chip) is little-endian, meaning the
least significant byte is the first byte you read going forward, rather
than the last byte.
2018-01-08 17:10:26 -06:00

139 lines
3.5 KiB
C

#include <criterion/criterion.h>
#include "apple2.h"
#include "mos6502.enums.h"
#include "option.h"
static apple2 *mach;
void
setup()
{
mach = apple2_create(700, 480);
}
void
teardown()
{
apple2_free(mach);
}
TestSuite(apple2, .init = setup, .fini = teardown);
/* Test(apple2, free) */
/* Test(apple2, run_loop) */
Test(apple2, create)
{
cr_assert_neq(mach, NULL);
cr_assert_neq(mach->cpu, NULL);
cr_assert_neq(mach->drive1, NULL);
cr_assert_neq(mach->drive2, NULL);
}
Test(apple2, is_double_video)
{
for (int i = 0; i <= VIDEO_DOUBLE_HIRES; i++) {
mach->video_mode = i;
switch (i) {
case VIDEO_40COL_TEXT:
cr_assert_eq(apple2_is_double_video(mach), false);
break;
case VIDEO_LORES:
cr_assert_eq(apple2_is_double_video(mach), false);
break;
case VIDEO_HIRES:
cr_assert_eq(apple2_is_double_video(mach), false);
break;
case VIDEO_80COL_TEXT:
cr_assert_eq(apple2_is_double_video(mach), true);
break;
case VIDEO_DOUBLE_LORES:
cr_assert_eq(apple2_is_double_video(mach), true);
break;
case VIDEO_DOUBLE_HIRES:
cr_assert_eq(apple2_is_double_video(mach), true);
break;
}
}
}
Test(apple2, boot)
{
// A boot without any disks is technically ok... in full emulation,
// you'd just see a screen that prints out something like "Apple
// ][e" at the bottom.
cr_assert_eq(apple2_boot(mach), OK);
// And, as you may guess, it's ok to reboot the machine.
option_read_file(1, "../data/zero.img");
cr_assert_eq(apple2_boot(mach), OK);
option_read_file(2, "../data/bad.img");
cr_assert_neq(apple2_boot(mach), OK);
}
Test(apple2, press_key)
{
apple2_press_key(mach, 123);
cr_assert_eq(vm_segment_get(mach->memory, 0xC000), 123 | 0x80);
cr_assert_eq(vm_segment_get(mach->memory, 0xC010), 0x80);
}
Test(apple2, clear_strobe)
{
apple2_press_key(mach, 123);
cr_assert_eq(vm_segment_get(mach->memory, 0xC000), 123 | 0x80);
apple2_clear_strobe(mach);
cr_assert_eq(vm_segment_get(mach->memory, 0xC000), 123);
}
/*
* This also tests the press_key function (as does the clear_strobe
* test, in its own way).
*/
Test(apple2, release_key)
{
apple2_press_key(mach, 123);
cr_assert_eq(vm_segment_get(mach->memory, 0xC010), 0x80);
apple2_release_key(mach);
cr_assert_eq(vm_segment_get(mach->memory, 0xC010), 0);
}
Test(apple2, set_color)
{
apple2_set_color(mach, COLOR_AMBER);
cr_assert_eq(mach->color_mode, COLOR_AMBER);
apple2_set_color(mach, COLOR_FULL);
cr_assert_eq(mach->color_mode, COLOR_FULL);
}
Test(apple2, set_video)
{
apple2_set_video(mach, VIDEO_DOUBLE_HIRES);
cr_assert_eq(mach->video_mode, VIDEO_DOUBLE_HIRES);
apple2_set_video(mach, VIDEO_LORES);
cr_assert_eq(mach->video_mode, VIDEO_LORES);
}
Test(apple2, set_memory)
{
apple2_set_memory(mach, MEMORY_BANK_RAM1);
cr_assert_eq(mach->memory_mode, MEMORY_BANK_RAM1);
apple2_set_memory(mach, MEMORY_BANK_RAM2);
cr_assert_eq(mach->memory_mode, MEMORY_BANK_RAM2);
}
Test(apple2, reset)
{
apple2_set_memory(mach, MEMORY_BANK_ROM);
vm_segment_set(mach->rom, 0x2FFC, 0x34);
vm_segment_set(mach->rom, 0x2FFD, 0x12);
apple2_reset(mach);
cr_assert_eq(mach->cpu->PC, 0x1234);
cr_assert_eq(mach->cpu->P, MOS_INTERRUPT);
cr_assert_eq(mach->cpu->S, 0);
}