{File name:  <tajo>StartLisp12K.mc
 don 29-Dec-83 10:17:06
last modified by don    13-Mar-84 14:58:44 added logout
last modified by don    8-Feb-84 18:29:05 for LCS
last modified by don    17-Sep-85 10:01:54 Removed Kernel reserved -- use HiRes.

 }

SetTask[0];

StartAddress[Germ];

Germ:
	TT{0FF00} _ ~0FF, CANCELBR[SetMDS,0F],	c1, at[0,2,Germ];
	TT{0FF00}, CANCELBR[SetMDS,0F],	c1, at[1,2,Germ];

SetMDS:
	uFF00 _ TT,	c2;
	Rx _ 41,	c3;

	DCtl _ Rx LRot0,	c1;
	Rx _ 40,	c2;
	Rx _ Rx LRot8,	c3;

	ClrIntErr,	c1;
	IOPCtl _ IOPInMode,	c2;
	rhTT _ TT _ uIOPage,	c3;

{set all keys up; 1403D thru 14043 _ -1}
	stackP _ 0,	c1;
	TOSH _ 0,	c2;
	Q _ 7,	c3;

KeyLoop:	MAR _ [rhTT,IOPage.keyBitsm1+Q], BRANCH[$,KeyDone],	c1;
	MDR _ L xor ~L, CANCELBR[$,0],	c2;
	Q _ Q - 1, ZeroBr, GOTO[KeyLoop],	c3;

KeyDone:
	PC _ 0+1, CANCELBR[$,0],	c2;
	uWDC _ PC,	c3;

	Rx _ 88, CANCELBR[$, 0F],	c1;
	Rx _ Rx LRot8,	c2;
	PC _ 1 + PC + PC16,	c3;

	MAR _ [rhTT, 0EB{WakeupLoc}+0],	c1;
	MDR _ 0,	c2;
	uWP _ 0,	c3;

	MAR _ [rhTT, 0EC{DBitsLoc}+0],	c1;
	MDR _ uFF00{was 0},	c2;
	Q _ 71,	c3;

	MAR _ [rhTT, 0ED{BorderLoc}+0],	c1;
	MDR _ Rx{8800} or 22,	c2;
	TOS _ LH.FMP,	c3;

	DCtl_ Q LRot0,	c1;
	TOS _ TOS LRot8,	c2;
	TOS _ TOS or RH.FMP,	c3;

Stall:	MAR _ [rhTT, IOPage.MP+0], BRANCH[Stall0, StallContinue],	c1;
Stall0:	MDR _ TOS or 1, GOTO[StallJn],	c2;
StallJn:	Rx _ Rx  - 1, ZeroBr, BRANCH[Stall, StallDone],	c3;

StallContinue:
	Q _ Q - 1, ZeroBr, GOTO[StallJn],	c2;

Burdock:
	IOPCtl _ 1, CANCELBR[$, 0F],	c1;
	Rx _ 41,	c2;
	DCtl _ Rx LRot0, TOSH _ 0,	c3;

StallDone:
	TOS _ KTval, CANCELBR[$],	c1;
	Q _ 0,	c2;
	TT _ 8,				c3;

	Bank _ LispStartBank,,	c1;
	uFLmode _ TT,	c2;
	uSTATE _ 0, CROSS[LispStart],	c3;

Off:
	MAR _ [rhRx, IOPage.ProcessorCommand+0],	c1, at[LOGOUT];
	MDR{4} _  4,	c2;
	Noop,  GOTO[Off],	c3;

	
	{END}