void statusBarInt() {
    SMS_displayOff();
    SMS_VDPturnOffFeature(VDPFEATURE_HIDEFIRSTCOL);
    SMS_setBGScrollX(0);
    SMS_displayOn();
    SMS_loadBGPalette(font__palette__bin);
    SMS_disableLineInterrupt();

    // do stuff in the lower half of screen
}


SMS_setLineInterruptHandler(statusBarInt);

while (true) {
    SMS_waitForVBlank();

    framepos = 1;

    checkModeSwitch();

    // top half logic
    modeLogic();

    //status
    SMS_enableLineInterrupt();
    SMS_setLineCounter(126);
}