void OS::TEventFlag::SignalISR()
{
    TCritSect cs;
    if(ProcessMap)                                          // if any process waits for event
    {
        TProcessMap Timeouted = Kernel.ReadyProcessMap;     // Process has its tag set in ReadyProcessMap if timeout
                                                            // expired, or it was waked up by OS::ForceWakeUpProcess()
        if( ProcessMap & ~Timeouted )                       // if any process has to be waked up
        {
            SetPrioTag(Kernel.ReadyProcessMap, ProcessMap); // place all waiting processes to the ready map
            ClrPrioTag(ProcessMap, ~Timeouted);             // remove all non-timeouted processes from the waiting map.
            return;
        }
    }
    Value = efOn;
}

_SignalISR__Q2_2OS10TEventFlagFv:
.LN_SignalISR__Q2_2OS10TEventFlagFv:
.LN12:
unsigned int __rval = __builtin_cli(); // line "D:\CAD\AD\VisualDSP5.0\Blackfin\include\builtins.h":1762
P1 = R0;
.LN13:
{ // line "scmRTOS\Common\OS_Services.h":237
LINK 0;
.LN14:
unsigned int __rval = __builtin_cli(); // line "D:\CAD\AD\VisualDSP5.0\Blackfin\include\builtins.h":1762
.MESSAGE/SUPPRESS 5515;
CLI R1;
I0 = R0;
.LN15:
TCritSect () : StatusReg(cli()) { } // line "scmRTOS\Blackfin\OS_Target.h":109
W[SP + 8] = R1;
.LN16:
if(ProcessMap) // if any process waits for event // line "scmRTOS\Common\OS_Services.h":239
R0 = W[P1] (Z);
CC = R0 == 0;
if CC jump .P41L27 ;

.P41L1:
P0.L = _Kernel__2OS+2;
P0.H = _Kernel__2OS+2;
NOP; // Inserted 2 instrs to fix anomaly w05_00_0245_with_boundaries.
NOP;
.LN17:
TProcessMap Timeouted = Kernel.ReadyProcessMap; // Process has its tag set in ReadyProcessMap if timeout // line 241
R2 = W[P0] (Z);
.LN18:
if( ProcessMap & ~Timeouted ) // if any process has to be waked up // line 243
R1 = -1;
R1 = R2 ^ R1;
R0 = R0 & R1;
CC = R0 == 0;
if !CC jump .P41L13 ;

.P41L27:
.LN19:
Value = efOn; // line 250
R0 = 1;
[P1 + 4] = R0;
.LN20:
~TCritSect() { sti(StatusReg); } // line "scmRTOS\Blackfin\OS_Target.h":110
R0 = W[SP + 8] (Z);
.LN21:
__builtin_sti(__a); // line "D:\CAD\AD\VisualDSP5.0\Blackfin\include\builtins.h":1777
.MESSAGE/RESTORE 5515;
STI R0;

.P41L7:
.LN22:
return; // line "scmRTOS\Common\OS_Services.h":247
P0 = [FP + 4];
UNLINK;
// -- 2 stalls --
JUMP (P0);

.P41L13:
.LN23:
SetPrioTag(Kernel.ReadyProcessMap, ProcessMap); // place all waiting processes to the ready map // line 245
R0.L = W[I0];
.LN24:
INLINE inline void SetPrioTag(TProcessMap& pm, const TProcessMap PrioTag) { pm |= PrioTag; } // line "scmRTOS\Common\OS_Kernel.h":81
R1.L = W[P0];
.LN25:
R0 = R0 | R1;
.LN26:
W[P0] = R0.L;
.LN27:
INLINE inline void ClrPrioTag(TProcessMap& pm, const TProcessMap PrioTag) { pm &= ~PrioTag; } // line 82
R0.L = W[I0];
.LN28:
R0 = R2 & R0;
.LN29:
W[I0] = R0.L;
.LN30:
~TCritSect() { sti(StatusReg); } // line "scmRTOS\Blackfin\OS_Target.h":110
R0 = W[SP + 8] (Z);
.LN31:
__builtin_sti(__a); // line "D:\CAD\AD\VisualDSP5.0\Blackfin\include\builtins.h":1777
.MESSAGE/RESTORE 5515;
STI R0;
jump .P41L7;

            ...
            START_CYCLE_COUNT(start_count);
            GIFH_complete.SignalISR();
            STOP_CYCLE_COUNT(stop_count, start_count);
            print("cycles: %d\r", stop_count);
            ...

// fpga.cpp

            ...
            START_CYCLE_COUNT(start_count);
            GIFH_complete.SignalISR();
            ...

// video.cpp

            ...
        GIFH_complete.Wait();
        STOP_CYCLE_COUNT(stop_count, start_count);
        print("cycles: %d\r", stop_count);
            ...

CLR_LED;
flag_SPI_HeaderAccepted.SignalISR();
SET_LED;