apple2ix/src/test/testcommon.c

/*
 * Apple // emulator for *nix
 *
 * This software package is subject to the GNU General Public License
 * version 2 or later (your choice) as published by the Free Software
 * Foundation.
 *
 * THERE ARE NO WARRANTIES WHATSOEVER.
 *
 */

#include "testcommon.h"

static char input_str[TESTBUF_SZ]; // ASCII
static unsigned int input_length = 0;
static unsigned int input_counter = 0;

static struct timespec t0 = { 0 };
static struct timespec ti = { 0 };

// ----------------------------------------------------------------------------
// Stub functions because I've reached diminishing returns with the build system ...
//
// NOTE: You'd think the commandline CFLAGS set specifically for this test program would pass down to the sources in
// subdirectories, but it apparently isn't.  GNU buildsystem bug?  Also see HACK FIXME TODO NOTE in Makefile.am
//

uint8_t c_MB_Read(uint16_t addr) {
    return 0x0;
}

void c_MB_Write(uint16_t addr, uint8_t byte) {
}

uint8_t c_PhasorIO(uint16_t addr) {
    return 0x0;
}

void SpkrToggle() {
}

void c_interface_print(int x, int y, const int cs, const char *s) {
}

// ----------------------------------------------------------------------------

void test_common_setup() {
    input_counter = 0;
    input_length = 0;
    input_str[0] = '\0';
    clock_gettime(CLOCK_MONOTONIC, &t0);
}

// ----------------------------------------------------------------------------
// test video functions and stubs

void testing_video_sync() {

#if !HEADLESS
    if (!is_headless) {
        clock_gettime(CLOCK_MONOTONIC, &ti);
        struct timespec deltat = timespec_diff(t0, ti, NULL);
        if (deltat.tv_sec || (deltat.tv_nsec >= NANOSECONDS/15) ) {
            video_sync(0);
            ti = t0;
        }
    }
#endif

    if (!input_length) {
        input_length = strlen(input_str);
    }

    if (input_counter >= input_length) {
        return;
    }

    uint8_t ch = (uint8_t)input_str[input_counter];
    if (ch == '\n') {
        ch = '\r';
    }

    if ( (apple_ii_64k[0][0xC000] & 0x80) || (apple_ii_64k[1][0xC000] & 0x80) ) {
        // last character typed not processed by emulator...
        return;
    }

    apple_ii_64k[0][0xC000] = ch | 0x80;
    apple_ii_64k[1][0xC000] = ch | 0x80;

    ++input_counter;
}

void test_type_input(const char *input) {
    strcat(input_str, input);
}

// ----------------------------------------------------------------------------

void test_breakpoint(void *arg) {
    fprintf(GREATEST_STDOUT, "set breakpoint on test_breakpoint to check for problems...\n");
#if !HEADLESS
    if (!is_headless) {
        video_sync(0);
    }
#endif
}

// ----------------------------------------------------------------------------

void test_common_init(bool do_cputhread) {
    GREATEST_SET_BREAKPOINT_CB(test_breakpoint, NULL);

    do_logging = false;// silence regular emulator logging
    setenv("APPLE2IXCFG", "nosuchconfigfile", 1);

    load_settings();
    c_initialize_firsttime();

    // kludgey set max CPU speed... 
    cpu_scale_factor = CPU_SCALE_FASTEST;
    cpu_altscale_factor = CPU_SCALE_FASTEST;
    g_bFullSpeed = true;

    caps_lock = true;

    if (do_cputhread) {
        // spin off cpu thread
        pthread_create(&cpu_thread_id, NULL, (void *) &cpu_thread, (void *)NULL);
        c_debugger_set_watchpoint(WATCHPOINT_ADDR);
        if (is_headless) {
            c_debugger_set_timeout(5);
        } else {
            fprintf(stderr, "NOTE : RUNNING WITH DISPLAY ... pass HEADLESS=1 to environment to run test in faster headless mode\n");
            c_debugger_set_timeout(0);
        }
    }
}