ZealOS/docs/Kernel/KMisc.CC

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<a name="l1"></a><span class=cF1>U0</span><span class=cF0> </span><span class=cF5>PortNop</span><span class=cF0>()
<a name="l2"></a>{</span><span class=cF2>//Innoculous (reads IRQ Mask) which should take fixed time</span><span class=cF0>
<a name="l3"></a></span><span class=cF2>//because it's an ISA-bus standard. It takes 1.0uS-2.0uS.</span><span class=cF0>
<a name="l4"></a> </span><span class=cF5>InU8</span><span class=cF0>(</span><span class=cF3>PIC_1_DATA</span><span class=cF0>);
<a name="l5"></a>}
<a name="l6"></a>
<a name="l7"></a></span><span class=cF1>U0</span><span class=cF0> </span><span class=cFD>IntCore0TimerHandler</span><span class=cF0>(</span><span class=cF9>CTask</span><span class=cF0> *)
<a name="l8"></a>{</span><span class=cF2>//Called from </span><a href="https://tomawezome.github.io/ZealOS/Kernel/KInterrupts.html#l55"><span class=cF4>IntCore0TimerHandler</span></a><span class=cF0>
<a name="l9"></a> </span><span class=cF9>I64</span><span class=cF0> i;
<a name="l10"></a>
<a name="l11"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cFB>mp_count</span><span class=cF0> &gt; </span><span class=cFE>1</span><span class=cF0>)
<a name="l12"></a> </span><span class=cF1>while</span><span class=cF0> (</span><span class=cF5>LBts</span><span class=cF7>(</span><span class=cF0>&amp;</span><span class=cFB>sys_semas</span><span class=cF0>[</span><span class=cF3>SEMA_SYS_TIMER</span><span class=cF0>], </span><span class=cFE>0</span><span class=cF7>)</span><span class=cF0>)
<a name="l13"></a> </span><span class=cF1>PAUSE</span><span class=cF0>
<a name="l14"></a> </span><span class=cF1>lock</span><span class=cF0> </span><span class=cFB>counts</span><span class=cF0>.jiffies++;
<a name="l15"></a> </span><span class=cFB>counts</span><span class=cF0>.timer += </span><span class=cF3>SYS_TIMER0_PERIOD</span><span class=cF0> + </span><span class=cFE>1</span><span class=cF0>;
<a name="l16"></a> </span><span class=cF5>LBtr</span><span class=cF0>(&amp;</span><span class=cFB>sys_semas</span><span class=cF0>[</span><span class=cF3>SEMA_SYS_TIMER</span><span class=cF0>], </span><span class=cFE>0</span><span class=cF0>);
<a name="l17"></a> </span><span class=cF1>for</span><span class=cF0> (i = </span><span class=cFE>1</span><span class=cF0>; i &lt; </span><span class=cFB>mp_count</span><span class=cF0>; i++)
<a name="l18"></a> </span><span class=cF5>MPInt</span><span class=cF0>(</span><span class=cF3>I_TIMER</span><span class=cF0>, i);
<a name="l19"></a> </span><span class=cF5>OutU8</span><span class=cF0>(</span><span class=cF3>PIC_1</span><span class=cF0>, </span><span class=cF3>PIC_EOI</span><span class=cF0>); </span><span class=cF2>//Acknowledge PIC Interrupt</span><span class=cF0>
<a name="l20"></a>}
<a name="l21"></a>
<a name="l22"></a></span><span class=cF9>I64</span><span class=cF0> </span><span class=cF5>SysTimerRead</span><span class=cF0>()
<a name="l23"></a>{</span><span class=cF2>//System timer count with overflow already handled.</span><span class=cF0>
<a name="l24"></a> </span><span class=cF9>I64</span><span class=cF0> i, res;
<a name="l25"></a>
<a name="l26"></a> </span><span class=cF1>PUSHFD</span><span class=cF0>
<a name="l27"></a> </span><span class=cF1>CLI</span><span class=cF0>
<a name="l28"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cFB>mp_count</span><span class=cF0> &gt; </span><span class=cFE>1</span><span class=cF0>)
<a name="l29"></a> </span><span class=cF1>while</span><span class=cF0> (</span><span class=cF5>LBts</span><span class=cF7>(</span><span class=cF0>&amp;</span><span class=cFB>sys_semas</span><span class=cF0>[</span><span class=cF3>SEMA_SYS_TIMER</span><span class=cF0>], </span><span class=cFE>0</span><span class=cF7>)</span><span class=cF0>)
<a name="l30"></a> </span><span class=cF1>PAUSE</span><span class=cF0>
<a name="l31"></a> </span><span class=cF5>OutU8</span><span class=cF0>(</span><span class=cF3>PIT_CMD</span><span class=cF0>, </span><span class=cF3>PIT_CMDF_CHANNEL0</span><span class=cF0>); </span><span class=cF2>//Latch Timer0</span><span class=cF0>
<a name="l32"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF7>(</span><span class=cF0>i = </span><span class=cF5>InU8</span><span class=cF0>(</span><span class=cF3>PIT_0</span><span class=cF0>) + </span><span class=cF5>InU8</span><span class=cF0>(</span><span class=cF3>PIT_0</span><span class=cF0>) &lt;&lt; </span><span class=cFE>8</span><span class=cF7>)</span><span class=cF0> == </span><span class=cF3>SYS_TIMER0_PERIOD</span><span class=cF0>)
<a name="l33"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l34"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF5>InU8</span><span class=cF7>(</span><span class=cF3>PIC_1</span><span class=cF7>)</span><span class=cF0> &amp; </span><span class=cFE>1</span><span class=cF0>)
<a name="l35"></a> i = -</span><span class=cFE>1</span><span class=cF0>;
<a name="l36"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l37"></a> res = </span><span class=cFB>counts</span><span class=cF0>.timer + </span><span class=cF3>SYS_TIMER0_PERIOD</span><span class=cF0> - i;
<a name="l38"></a> </span><span class=cF5>LBtr</span><span class=cF0>(&amp;</span><span class=cFB>sys_semas</span><span class=cF0>[</span><span class=cF3>SEMA_SYS_TIMER</span><span class=cF0>], </span><span class=cFE>0</span><span class=cF0>);
<a name="l39"></a>
<a name="l40"></a> </span><span class=cF1>POPFD</span><span class=cF0>
<a name="l41"></a>
<a name="l42"></a> </span><span class=cF1>return</span><span class=cF0> res;
<a name="l43"></a>}
<a name="l44"></a>
<a name="l45"></a></span><span class=cF9>I64</span><span class=cF0> </span><span class=cF5>TimeCal</span><span class=cF0>()
<a name="l46"></a>{
<a name="l47"></a> </span><span class=cF1>static</span><span class=cF0> </span><span class=cF9>I64</span><span class=cF0> time_stamp_start = </span><span class=cFE>0</span><span class=cF0>, timer_start = </span><span class=cFE>0</span><span class=cF0>;
<a name="l48"></a> </span><span class=cF9>I64</span><span class=cF0> i;
<a name="l49"></a>
<a name="l50"></a> </span><span class=cF1>if</span><span class=cF0> (time_stamp_start)
<a name="l51"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l52"></a> </span><span class=cF1>PUSHFD</span><span class=cF0>
<a name="l53"></a> </span><span class=cF1>CLI</span><span class=cF0>
<a name="l54"></a> </span><span class=cFB>counts</span><span class=cF0>.time_stamp_freq = </span><span class=cF3>SYS_TIMER_FREQ</span><span class=cF0> * (</span><span class=cF5>TSCGet</span><span class=cF0> - time_stamp_start);
<a name="l55"></a> i = </span><span class=cF5>SysTimerRead</span><span class=cF0> - timer_start;
<a name="l56"></a> </span><span class=cF1>if</span><span class=cF0> (!i)
<a name="l57"></a> </span><span class=cF5>SysErr</span><span class=cF0>(</span><span class=cF6>&quot;Timer Cal Error&quot;</span><span class=cF0>);
<a name="l58"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l59"></a> {
<a name="l60"></a> </span><span class=cFB>counts</span><span class=cF0>.time_stamp_freq /= i;
<a name="l61"></a> </span><span class=cFB>counts</span><span class=cF0>.time_stamp_kHz_freq = </span><span class=cFB>counts</span><span class=cF0>.time_stamp_freq / </span><span class=cFE>1000</span><span class=cF0>;
<a name="l62"></a> </span><span class=cFB>counts</span><span class=cF0>.time_stamp_calibrated = </span><span class=cF3>TRUE</span><span class=cF0>;
<a name="l63"></a> }
<a name="l64"></a> </span><span class=cF1>POPFD</span><span class=cF0>
<a name="l65"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l66"></a> </span><span class=cF1>PUSHFD</span><span class=cF0>
<a name="l67"></a> </span><span class=cF1>CLI</span><span class=cF0>
<a name="l68"></a> timer_start = </span><span class=cF5>SysTimerRead</span><span class=cF0>;
<a name="l69"></a> time_stamp_start = </span><span class=cF5>TSCGet</span><span class=cF0>;
<a name="l70"></a> </span><span class=cF1>POPFD</span><span class=cF0>
<a name="l71"></a>
<a name="l72"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cFB>counts</span><span class=cF0>.time_stamp_freq;
<a name="l73"></a>}
<a name="l74"></a>
<a name="l75"></a></span><span class=cF1>F64</span><span class=cF0> </span><span class=cF5>tS</span><span class=cF0>()
<a name="l76"></a>{</span><span class=cF2>//Time since boot in seconds as a float.</span><span class=cF0>
<a name="l77"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cF5>SysTimerRead</span><span class=cF0> / </span><span class=cF5>ToF64</span><span class=cF0>(</span><span class=cF3>SYS_TIMER_FREQ</span><span class=cF0>);
<a name="l78"></a>}
<a name="l79"></a>
<a name="l80"></a></span><span class=cF1>Bool</span><span class=cF0> </span><span class=cF5>Blink</span><span class=cF0>(</span><span class=cF1>F64</span><span class=cF0> Hz=</span><span class=cFE>2</span><span class=cF0>.</span><span class=cFE>5</span><span class=cF0>)
<a name="l81"></a>{</span><span class=cF2>//Return TRUE, then FALSE, then TRUE at given frequency.</span><span class=cF0>
<a name="l82"></a> </span><span class=cF1>if</span><span class=cF0> (!Hz)
<a name="l83"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
<a name="l84"></a>
<a name="l85"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cF5>ToI64</span><span class=cF0>(</span><span class=cFB>counts</span><span class=cF0>.jiffies * </span><span class=cFE>2</span><span class=cF0> * Hz / </span><span class=cF3>JIFFY_FREQ</span><span class=cF0>) &amp; </span><span class=cFE>1</span><span class=cF0>;
<a name="l86"></a>}
<a name="l87"></a>
<a name="l88"></a></span><span class=cF1>U0</span><span class=cF0> </span><span class=cF5>Busy</span><span class=cF0>(</span><span class=cF9>I64</span><span class=cF0> uS)
<a name="l89"></a>{</span><span class=cF2>//Loosely timed.</span><span class=cF0>
<a name="l90"></a> </span><span class=cF9>I64</span><span class=cF0> i;
<a name="l91"></a>
<a name="l92"></a> </span><span class=cF1>for</span><span class=cF0> (i = </span><span class=cFE>0</span><span class=cF0>; i &lt; uS; i++)
<a name="l93"></a> </span><span class=cF5>PortNop</span><span class=cF0>;
<a name="l94"></a>}
<a name="l95"></a>
<a name="l96"></a></span><span class=cF1>U0</span><span class=cF0> </span><span class=cF5>SleepUntil</span><span class=cF0>(</span><span class=cF9>I64</span><span class=cF0> wake_jiffy)
<a name="l97"></a>{</span><span class=cF2>//Not for power-saving. It is to make a program pause without hogging the CPU.</span><span class=cF0>
<a name="l98"></a> </span><span class=cF1>Bool</span><span class=cF0> old_idle = </span><span class=cF5>LBts</span><span class=cF0>(&amp;</span><span class=cF5>Fs</span><span class=cF0>-&gt;task_flags, </span><span class=cF3>TASKf_IDLE</span><span class=cF0>);
<a name="l99"></a>
<a name="l100"></a> </span><span class=cF5>Fs</span><span class=cF0>-&gt;wake_jiffy = wake_jiffy;
<a name="l101"></a> </span><span class=cF5>Yield</span><span class=cF0>;
<a name="l102"></a> </span><span class=cF5>LBEqual</span><span class=cF0>(&amp;</span><span class=cF5>Fs</span><span class=cF0>-&gt;task_flags, </span><span class=cF3>TASKf_IDLE</span><span class=cF0>, old_idle);
<a name="l103"></a>}
<a name="l104"></a>
<a name="l105"></a></span><span class=cF1>U0</span><span class=cF0> </span><span class=cF5>Sleep</span><span class=cF0>(</span><span class=cF9>I64</span><span class=cF0> mS)
<a name="l106"></a>{</span><span class=cF2>//Not for power-saving. It is to make a program pause without hogging the CPU.</span><span class=cF0>
<a name="l107"></a> </span><span class=cF1>if</span><span class=cF0> (!mS)
<a name="l108"></a> </span><span class=cF5>Yield</span><span class=cF0>;
<a name="l109"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l110"></a> </span><span class=cF5>SleepUntil</span><span class=cF0>(</span><span class=cFB>counts</span><span class=cF0>.jiffies + mS * </span><span class=cF3>JIFFY_FREQ</span><span class=cF0> / </span><span class=cFE>1000</span><span class=cF0>);
<a name="l111"></a>}
<a name="l112"></a>
<a name="l113"></a></span><span class=cF1>F64</span><span class=cF0> </span><span class=cF5>Ona2Freq</span><span class=cF0>(</span><span class=cF1>I8</span><span class=cF0> ona)
<a name="l114"></a>{</span><span class=cF2>//Ona to freq. Ona=60 is 432.0Hz.</span><span class=cF0>
<a name="l115"></a> </span><span class=cF1>if</span><span class=cF0> (!ona)
<a name="l116"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
<a name="l117"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l118"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cFE>432</span><span class=cF0>.</span><span class=cFE>0</span><span class=cF0> / </span><span class=cFE>32</span><span class=cF0> * </span><span class=cFE>2</span><span class=cF0>.</span><span class=cFE>0</span><span class=cF0> ` (ona / </span><span class=cFE>12</span><span class=cF0>.</span><span class=cFE>0</span><span class=cF0>);
<a name="l119"></a>}
<a name="l120"></a>
<a name="l121"></a></span><span class=cF1>I8</span><span class=cF0> </span><span class=cF5>Freq2Ona</span><span class=cF0>(</span><span class=cF1>F64</span><span class=cF0> freq)
<a name="l122"></a>{</span><span class=cF2>//Freq to Ona. 432.0Hz is Ona=60.</span><span class=cF0>
<a name="l123"></a> </span><span class=cF1>if</span><span class=cF0> (freq &gt; </span><span class=cFE>0</span><span class=cF0>)
<a name="l124"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cF5>ClampI64</span><span class=cF0>(</span><span class=cFE>12</span><span class=cF0> * </span><span class=cF5>Log2</span><span class=cF7>(</span><span class=cFE>32</span><span class=cF0>.</span><span class=cFE>0</span><span class=cF0> / </span><span class=cFE>432</span><span class=cF0>.</span><span class=cFE>0</span><span class=cF0> * freq</span><span class=cF7>)</span><span class=cF0>, </span><span class=cFE>1</span><span class=cF0>, </span><span class=cF3>I8_MAX</span><span class=cF0>);
<a name="l125"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l126"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
<a name="l127"></a>}
<a name="l128"></a>
<a name="l129"></a></span><span class=cF1>U0</span><span class=cF0> </span><span class=cF5>Sound</span><span class=cF0>(</span><span class=cF1>I8</span><span class=cF0> ona=</span><span class=cFE>0</span><span class=cF0>)
<a name="l130"></a>{</span><span class=cF2>//Play ona, a piano key num. 0 means rest.</span><span class=cF0>
<a name="l131"></a> </span><span class=cF9>I64</span><span class=cF0> period;
<a name="l132"></a> </span><span class=cF9>CSoundData</span><span class=cF0> *d;
<a name="l133"></a>
<a name="l134"></a> </span><span class=cF1>if</span><span class=cF0> (!</span><span class=cF5>Bt</span><span class=cF7>(</span><span class=cF0>&amp;</span><span class=cFB>sys_semas</span><span class=cF0>[</span><span class=cF3>SEMA_MUTE</span><span class=cF0>], </span><span class=cFE>0</span><span class=cF7>)</span><span class=cF0> &amp;&amp; !</span><span class=cF5>LBts</span><span class=cF7>(</span><span class=cF0>&amp;</span><span class=cFB>sys_semas</span><span class=cF0>[</span><span class=cF3>SEMA_SOUND</span><span class=cF0>], </span><span class=cFE>0</span><span class=cF7>)</span><span class=cF0>)
<a name="l135"></a> </span><span class=cF7>{</span><span class=cF0> </span><span class=cF2>//Mutex. Just throw-out if in use</span><span class=cF0>
<a name="l136"></a> </span><span class=cF1>if</span><span class=cF0> (!ona)
<a name="l137"></a> {
<a name="l138"></a> </span><span class=cFB>screencast</span><span class=cF0>.ona = ona;
<a name="l139"></a> </span><span class=cF5>OutU8</span><span class=cF0>(</span><span class=cF3>PCSPKR</span><span class=cF0>, </span><span class=cF5>InU8</span><span class=cF7>(</span><span class=cF3>PCSPKR</span><span class=cF7>)</span><span class=cF0> &amp; ~</span><span class=cFE>3</span><span class=cF0>);
<a name="l140"></a> }
<a name="l141"></a> </span><span class=cF1>else</span><span class=cF0> </span><span class=cF1>if</span><span class=cF0> (ona != </span><span class=cFB>screencast</span><span class=cF0>.ona)
<a name="l142"></a> {
<a name="l143"></a> </span><span class=cFB>screencast</span><span class=cF0>.ona = ona;
<a name="l144"></a> period = </span><span class=cF5>ClampI64</span><span class=cF0>(</span><span class=cF3>SYS_TIMER_FREQ</span><span class=cF0> / </span><span class=cF5>Ona2Freq</span><span class=cF7>(</span><span class=cF0>ona</span><span class=cF7>)</span><span class=cF0>, </span><span class=cFE>1</span><span class=cF0>, </span><span class=cF3>U16_MAX</span><span class=cF0>);
<a name="l145"></a> </span><span class=cF2>//See </span><a href="https://tomawezome.github.io/ZealOS/Doc/PIT.html#l1"><span class=cF4>::/Doc/PIT.DD</span></a><span class=cF2>.</span><span class=cF0>
<a name="l146"></a> </span><span class=cF5>OutU8</span><span class=cF0>(</span><span class=cF3>PIT_CMD</span><span class=cF0>, </span><span class=cF3>PIT_CMDF_CHANNEL2</span><span class=cF0> | </span><span class=cF3>PIT_CMDF_OPMODE_SQUARE_WAVE</span><span class=cF0> | </span><span class=cF3>PIT_CMDF_ACCESS_WORD</span><span class=cF0>);
<a name="l147"></a> </span><span class=cF5>OutU8</span><span class=cF0>(</span><span class=cF3>PIT_2</span><span class=cF0>, period);
<a name="l148"></a> </span><span class=cF5>OutU8</span><span class=cF0>(</span><span class=cF3>PIT_2</span><span class=cF0>, period.u8[</span><span class=cFE>1</span><span class=cF0>]);
<a name="l149"></a> </span><span class=cF5>OutU8</span><span class=cF0>(</span><span class=cF3>PCSPKR</span><span class=cF0>, </span><span class=cFE>3</span><span class=cF0> | </span><span class=cF5>InU8</span><span class=cF7>(</span><span class=cF3>PCSPKR</span><span class=cF7>)</span><span class=cF0>); </span><span class=cF2>//enable speaker</span><span class=cF0>
<a name="l150"></a> }
<a name="l151"></a> </span><span class=cF1>if</span><span class=cF0> (!</span><span class=cF5>IsDebugMode</span><span class=cF0> &amp;&amp; </span><span class=cFB>screencast</span><span class=cF0>.record)
<a name="l152"></a> {
<a name="l153"></a> d = </span><span class=cF5>ZCAlloc</span><span class=cF0>(</span><span class=cF1>sizeof</span><span class=cF7>(</span><span class=cF9>CSoundData</span><span class=cF7>)</span><span class=cF0>);
<a name="l154"></a> d-&gt;ona = ona;
<a name="l155"></a> d-&gt;</span><span class=cF5>tS</span><span class=cF0> = </span><span class=cF5>tS</span><span class=cF0>;
<a name="l156"></a> </span><span class=cF5>QueueInsert</span><span class=cF0>(d, </span><span class=cFB>screencast</span><span class=cF0>.sound_head.last);
<a name="l157"></a> }
<a name="l158"></a> </span><span class=cF5>LBtr</span><span class=cF0>(&amp;</span><span class=cFB>sys_semas</span><span class=cF0>[</span><span class=cF3>SEMA_SOUND</span><span class=cF0>], </span><span class=cFE>0</span><span class=cF0>);
<a name="l159"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l160"></a>}
<a name="l161"></a>
<a name="l162"></a></span><span class=cF1>Bool</span><span class=cF0> </span><span class=cF5>ScreenCast</span><span class=cF0>(</span><span class=cF1>Bool</span><span class=cF0> val=</span><span class=cF3>ON</span><span class=cF0>, </span><span class=cF1>Bool</span><span class=cF0> just_audio=</span><span class=cF3>FALSE</span><span class=cF0>, </span><span class=cF1>U8</span><span class=cF0> *print_format=</span><span class=cF6>&quot;B:/Tmp/%X.GR&quot;</span><span class=cF0>)
<a name="l163"></a>{</span><span class=cF2>//WinMgr saves GR files to a dir.</span><span class=cF0>
<a name="l164"></a> </span><span class=cF1>Bool</span><span class=cF0> old_val;
<a name="l165"></a>
<a name="l166"></a> </span><span class=cFB>screencast</span><span class=cF0>.just_audio = just_audio;
<a name="l167"></a> </span><span class=cF1>if</span><span class=cF0> (val)
<a name="l168"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l169"></a> </span><span class=cF1>if</span><span class=cF0> (!</span><span class=cF7>(</span><span class=cF0>old_val = </span><span class=cF5>LBtr</span><span class=cF0>(&amp;</span><span class=cFB>screencast</span><span class=cF0>.record, </span><span class=cFE>0</span><span class=cF0>)</span><span class=cF7>)</span><span class=cF0>)
<a name="l170"></a> {
<a name="l171"></a> </span><span class=cF5>Free</span><span class=cF0>(</span><span class=cFB>screencast</span><span class=cF0>.print_format);
<a name="l172"></a> </span><span class=cFB>screencast</span><span class=cF0>.print_format = </span><span class=cF5>ZStrNew</span><span class=cF0>(print_format);
<a name="l173"></a> </span><span class=cFB>screencast</span><span class=cF0>.t0_now = </span><span class=cF5>Now</span><span class=cF0>;
<a name="l174"></a> </span><span class=cFB>screencast</span><span class=cF0>.sound_head.</span><span class=cF5>tS</span><span class=cF0> = </span><span class=cFB>screencast</span><span class=cF0>.t0_tS = </span><span class=cF5>tS</span><span class=cF0>;
<a name="l175"></a> </span><span class=cFB>screencast</span><span class=cF0>.sound_head.ona = </span><span class=cFB>screencast</span><span class=cF0>.ona;
<a name="l176"></a> </span><span class=cF5>LBts</span><span class=cF0>(&amp;</span><span class=cFB>screencast</span><span class=cF0>.record, </span><span class=cFE>0</span><span class=cF0>);
<a name="l177"></a> }
<a name="l178"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l179"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l180"></a> old_val = </span><span class=cF5>LBtr</span><span class=cF0>(&amp;</span><span class=cFB>screencast</span><span class=cF0>.record, </span><span class=cFE>0</span><span class=cF0>);
<a name="l181"></a> </span><span class=cF5>Sound</span><span class=cF0>;
<a name="l182"></a>
<a name="l183"></a> </span><span class=cF1>return</span><span class=cF0> old_val;
<a name="l184"></a>}
<a name="l185"></a>
<a name="l186"></a></span><span class=cF1>U0</span><span class=cF0> </span><span class=cF5>SoundReset</span><span class=cF0>()
<a name="l187"></a>{</span><span class=cF2>//Fix stuck sound.</span><span class=cF0>
<a name="l188"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF5>Bt</span><span class=cF7>(</span><span class=cF0>&amp;</span><span class=cFB>sys_semas</span><span class=cF0>[</span><span class=cF3>SEMA_SOUND</span><span class=cF0>], </span><span class=cFE>0</span><span class=cF7>)</span><span class=cF0>)
<a name="l189"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l190"></a> </span><span class=cF5>Sleep</span><span class=cF0>(</span><span class=cFE>1</span><span class=cF0>);
<a name="l191"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF5>Bt</span><span class=cF7>(</span><span class=cF0>&amp;</span><span class=cFB>sys_semas</span><span class=cF0>[</span><span class=cF3>SEMA_SOUND</span><span class=cF0>], </span><span class=cFE>0</span><span class=cF7>)</span><span class=cF0>)
<a name="l192"></a> {
<a name="l193"></a> </span><span class=cF5>Sleep</span><span class=cF0>(</span><span class=cFE>1</span><span class=cF0>);
<a name="l194"></a> </span><span class=cF5>LBtr</span><span class=cF0>(&amp;</span><span class=cFB>sys_semas</span><span class=cF0>[</span><span class=cF3>SEMA_SOUND</span><span class=cF0>], </span><span class=cFE>0</span><span class=cF0>);
<a name="l195"></a> }
<a name="l196"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l197"></a> </span><span class=cF5>Sound</span><span class=cF0>;
<a name="l198"></a>}
<a name="l199"></a>
<a name="l200"></a></span><span class=cF1>U0</span><span class=cF0> </span><span class=cF5>Beep</span><span class=cF0>(</span><span class=cF1>I8</span><span class=cF0> ona=</span><span class=cFE>62</span><span class=cF0>, </span><span class=cF1>Bool</span><span class=cF0> busy=</span><span class=cF3>FALSE</span><span class=cF0>)
<a name="l201"></a>{</span><span class=cF2>//Make beep at given ona freq.</span><span class=cF0>
<a name="l202"></a> </span><span class=cF5>Sound</span><span class=cF0>(ona);
<a name="l203"></a> </span><span class=cF1>if</span><span class=cF0> (busy)
<a name="l204"></a> </span><span class=cF5>Busy</span><span class=cF0>(</span><span class=cFE>500000</span><span class=cF0>);
<a name="l205"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l206"></a> </span><span class=cF5>Sleep</span><span class=cF0>(</span><span class=cFE>500</span><span class=cF0>);
<a name="l207"></a> </span><span class=cF5>Sound</span><span class=cF0>;
<a name="l208"></a> </span><span class=cF1>if</span><span class=cF0> (busy)
<a name="l209"></a> </span><span class=cF5>Busy</span><span class=cF0>(</span><span class=cFE>200000</span><span class=cF0>);
<a name="l210"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l211"></a> </span><span class=cF5>Sleep</span><span class=cF0>(</span><span class=cFE>200</span><span class=cF0>);
<a name="l212"></a>}
<a name="l213"></a>
<a name="l214"></a></span><span class=cF1>Bool</span><span class=cF0> </span><span class=cF5>Mute</span><span class=cF0>(</span><span class=cF1>Bool</span><span class=cF0> val)
<a name="l215"></a>{</span><span class=cF2>//Turn-off sound.</span><span class=cF0>
<a name="l216"></a> </span><span class=cF1>Bool</span><span class=cF0> res;
<a name="l217"></a>
<a name="l218"></a> </span><span class=cF1>if</span><span class=cF0> (val)
<a name="l219"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l220"></a> </span><span class=cF1>PUSHFD</span><span class=cF0>
<a name="l221"></a> </span><span class=cF1>CLI</span><span class=cF0>
<a name="l222"></a> </span><span class=cF5>Sound</span><span class=cF0>;
<a name="l223"></a> res = </span><span class=cF5>LBts</span><span class=cF0>(&amp;</span><span class=cFB>sys_semas</span><span class=cF0>[</span><span class=cF3>SEMA_MUTE</span><span class=cF0>], </span><span class=cFE>0</span><span class=cF0>);
<a name="l224"></a> </span><span class=cF1>POPFD</span><span class=cF0>
<a name="l225"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l226"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l227"></a> res = </span><span class=cF5>LBtr</span><span class=cF0>(&amp;</span><span class=cFB>sys_semas</span><span class=cF0>[</span><span class=cF3>SEMA_MUTE</span><span class=cF0>], </span><span class=cFE>0</span><span class=cF0>);
<a name="l228"></a>
<a name="l229"></a> </span><span class=cF1>return</span><span class=cF0> res;
<a name="l230"></a>}
<a name="l231"></a>
<a name="l232"></a></span><span class=cF1>Bool</span><span class=cF0> </span><span class=cF5>IsMute</span><span class=cF0>()
<a name="l233"></a>{</span><span class=cF2>//Return is-mute flag.</span><span class=cF0>
<a name="l234"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cF5>Bt</span><span class=cF0>(&amp;</span><span class=cFB>sys_semas</span><span class=cF0>[</span><span class=cF3>SEMA_MUTE</span><span class=cF0>], </span><span class=cFE>0</span><span class=cF0>);
<a name="l235"></a>}
<a name="l236"></a>
<a name="l237"></a></span><span class=cF1>Bool</span><span class=cF0> </span><span class=cF5>Silent</span><span class=cF0>(</span><span class=cF1>Bool</span><span class=cF0> val=</span><span class=cF3>ON</span><span class=cF0>)
<a name="l238"></a>{</span><span class=cF2>//Turn-off StdOut console text. (Not sound.)</span><span class=cF0>
<a name="l239"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cF5>LBEqual</span><span class=cF0>(&amp;</span><span class=cF5>Fs</span><span class=cF0>-&gt;display_flags, </span><span class=cF3>DISPLAYf_SILENT</span><span class=cF0>, val);
<a name="l240"></a>}
<a name="l241"></a>
<a name="l242"></a></span><span class=cF1>Bool</span><span class=cF0> </span><span class=cF5>IsSilent</span><span class=cF0>()
<a name="l243"></a>{</span><span class=cF2>//Return StdOut turned-off?</span><span class=cF0>
<a name="l244"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cF5>Bt</span><span class=cF0>(&amp;</span><span class=cF5>Fs</span><span class=cF0>-&gt;display_flags, </span><span class=cF3>DISPLAYf_SILENT</span><span class=cF0>);
<a name="l245"></a>}
<a name="l246"></a>
<a name="l247"></a></span><span class=cF1>Bool</span><span class=cF0> </span><span class=cF5>SysDebug</span><span class=cF0>(</span><span class=cF1>Bool</span><span class=cF0> val)
<a name="l248"></a>{</span><span class=cF2>//Set SysDebug bit you can use while debugging.</span><span class=cF0>
<a name="l249"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cF5>LBEqual</span><span class=cF0>(&amp;</span><span class=cFB>sys_semas</span><span class=cF0>[</span><span class=cF3>SEMA_DEBUG</span><span class=cF0>], </span><span class=cFE>0</span><span class=cF0>, val);
<a name="l250"></a>}
<a name="l251"></a>
<a name="l252"></a></span><span class=cF1>Bool</span><span class=cF0> </span><span class=cF5>IsSysDebug</span><span class=cF0>()
<a name="l253"></a>{</span><span class=cF2>//Return SysDebug bit.</span><span class=cF0>
<a name="l254"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cF5>Bt</span><span class=cF0>(&amp;</span><span class=cFB>sys_semas</span><span class=cF0>[</span><span class=cF3>SEMA_DEBUG</span><span class=cF0>], </span><span class=cFE>0</span><span class=cF0>);
<a name="l255"></a>}
<a name="l256"></a>
<a name="l257"></a></span><span class=cF1>Bool</span><span class=cF0> </span><span class=cF5>Raw</span><span class=cF0>(</span><span class=cF1>Bool</span><span class=cF0> val)
<a name="l258"></a>{</span><span class=cF2>//Set to direct screen, BLACK &amp; WHITE, non-windowed output mode.</span><span class=cF0>
<a name="l259"></a> </span><span class=cF1>if</span><span class=cF0> (!val)
<a name="l260"></a> </span><span class=cF5>LFBFlush</span><span class=cF0>;
<a name="l261"></a> </span><span class=cF1>return</span><span class=cF0> !</span><span class=cF5>LBEqual</span><span class=cF0>(&amp;</span><span class=cF5>Fs</span><span class=cF0>-&gt;display_flags, </span><span class=cF3>DISPLAYf_NOT_RAW</span><span class=cF0>, !val);
<a name="l262"></a>}
<a name="l263"></a>
<a name="l264"></a></span><span class=cF1>Bool</span><span class=cF0> </span><span class=cF5>IsRaw</span><span class=cF0>()
<a name="l265"></a>{</span><span class=cF2>//Are we in BLACK &amp; WHITE raw screen mode?</span><span class=cF0>
<a name="l266"></a> </span><span class=cF1>return</span><span class=cF0> !</span><span class=cF5>Bt</span><span class=cF0>(&amp;</span><span class=cF5>Fs</span><span class=cF0>-&gt;display_flags, </span><span class=cF3>DISPLAYf_NOT_RAW</span><span class=cF0>);
<a name="l267"></a>}
<a name="l268"></a>
<a name="l269"></a></span><span class=cF1>Bool</span><span class=cF0> </span><span class=cF5>SingleUser</span><span class=cF0>(</span><span class=cF1>Bool</span><span class=cF0> val)
<a name="l270"></a>{</span><span class=cF2>//Set single-user mode.</span><span class=cF0>
<a name="l271"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cF5>LBEqual</span><span class=cF0>(&amp;</span><span class=cFB>sys_semas</span><span class=cF0>[</span><span class=cF3>SEMA_SINGLE_USER</span><span class=cF0>], </span><span class=cFE>0</span><span class=cF0>, val);
<a name="l272"></a>}
<a name="l273"></a>
<a name="l274"></a></span><span class=cF1>Bool</span><span class=cF0> </span><span class=cF5>IsSingleUser</span><span class=cF0>()
<a name="l275"></a>{</span><span class=cF2>//Return single-user mode.</span><span class=cF0>
<a name="l276"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cF5>Bt</span><span class=cF0>(&amp;</span><span class=cFB>sys_semas</span><span class=cF0>[</span><span class=cF3>SEMA_SINGLE_USER</span><span class=cF0>], </span><span class=cFE>0</span><span class=cF0>);
<a name="l277"></a>}
<a name="l278"></a>
<a name="l279"></a></span><span class=cF1>Bool</span><span class=cF0> </span><span class=cF5>DebugMode</span><span class=cF0>(</span><span class=cF1>Bool</span><span class=cF0> val)
<a name="l280"></a>{</span><span class=cF2>//Set debug-mode.</span><span class=cF0>
<a name="l281"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cF5>LBEqual</span><span class=cF0>(&amp;</span><span class=cFB>sys_semas</span><span class=cF0>[</span><span class=cF3>SEMA_DEBUG_MODE</span><span class=cF0>], </span><span class=cFE>0</span><span class=cF0>, val);
<a name="l282"></a>}
<a name="l283"></a>
<a name="l284"></a></span><span class=cF1>Bool</span><span class=cF0> </span><span class=cF5>IsDebugMode</span><span class=cF0>()
<a name="l285"></a>{</span><span class=cF2>//Return debug-mode.</span><span class=cF0>
<a name="l286"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cF5>Bt</span><span class=cF0>(&amp;</span><span class=cFB>sys_semas</span><span class=cF0>[</span><span class=cF3>SEMA_DEBUG_MODE</span><span class=cF0>], </span><span class=cFE>0</span><span class=cF0>);
<a name="l287"></a>}
<a name="l288"></a>
<a name="l289"></a></span><span class=cF1>U0</span><span class=cF0> </span><span class=cF5>ProgressBarsReset</span><span class=cF0>(</span><span class=cF1>U8</span><span class=cF0> *path=</span><span class=cF3>NULL</span><span class=cF0>)
<a name="l290"></a>{</span><span class=cF2>//Reset all progress bars to zero.</span><span class=cF0>
<a name="l291"></a> </span><span class=cF5>CallExtStr</span><span class=cF0>(</span><span class=cF6>&quot;ProgressBarsRegTf&quot;</span><span class=cF0>, path);
<a name="l292"></a> </span><span class=cF5>MemSet</span><span class=cF0>(</span><span class=cFB>sys_progresses</span><span class=cF0>, </span><span class=cFE>0</span><span class=cF0>, </span><span class=cF1>sizeof</span><span class=cF7>(</span><span class=cFB>sys_progresses</span><span class=cF7>)</span><span class=cF0>);
<a name="l293"></a>}
</span></pre></body>
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