ECE6580 Lecture 8

Mode1 Reg Bit 21

bit set mode1 PEYEN;

bit clr mode1 PEYEN;

ExamplesR7=BSET R6 BY R0, DM(I0,M3)=R5, PM(I11,M15)=R4;R8=DM(I4,M1), PM(I12 M12)=R0;

Type 2: ComputeCompute operation, optional conditionSyntaxIF COND compute ;

ExampleIF MV R6=SAT MRF (UI);

ExamplesR6=R3-R11, DM(I0,M1)=ASTATx;IF NOT SV F8=CLIP F2 BY F14, F7=PM(I12,M12);

ExamplesIF FLAG0_IN F1=F5*F12, F11=PM(I10,6);R12=R3 AND R1, DM(6,I1)=R6;

ExamplesIF TF MRF=R2*R6(SSFR), M4=R0;LCNTR=L7;R0 <-> S1;

ExamplesIF GT R2 = LSHIFT R6 BY 0x4, DM(I4,M4)=R0;IF NOT SZ R3 = FEXT R1 BY 8:4;

ExamplesIF NOT FLAG2_IN R4=R6*R12(SUF), MODIFY(I10,M8);IF NOT LCE MODIFY(I3,M1);

ExamplesIF AV JUMP(PC,0x00A4) (LA);CALL init (DB); {init is a program label}JUMP (PC,2) (DB,CI); {clear current int. for reuse}

ExamplesJUMP(M8,I12), R6=R6-1;IF EQ CALL(PC,17)(DB), ELSE R6=R6-1;

ExamplesIF TF JUMP(M8, I8),ELSE R6=DM(I6, M1);IF NE JUMP(PC, 0x20),ELSE F12=FLOAT R10 BY R3, R6=DM(I5, M0);

ExamplesRTI, R6=R5 XOR R1;IF le RTS(DB);IF sz RTS, ELSE R0=LSHIFT R1 BY R15;

ExamplesLCNTR=100, DO fmax UNTIL LCE; {fmax is a program label}LCNTR=R12, DO (PC,16) UNTIL LCE;

ExamplesDO end UNTIL FLAG1_IN; {end is a program label}DO (PC,7) UNTIL AC;

ExamplesDM(temp)=MODE1; {temp is a program label}WAIT=PM(0x489060);

ExamplesDM(24,I5)=TCOUNT;USTAT1=PM(offs,I13); {"offs" is a user-defined constant}

ExamplesDM(I4,M0)=19304;PM(I14,M11)=count; {count is user-defined constant}

ExamplesASTATx=0x0;M15=mod1; {mod1 is user-defined constant}

ExamplesBIT SET MODE2 0x00000070;BIT TST ASTATx 0x00002000;

ExamplesMODIFY (I4,304);BITREV (I7,space); {space is a user-defined constant}