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[/] [plasma/] [tags/] [V2_1/] [tools/] [opcodes.asm] - Blame information for rev 44

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Line No.	Rev	Author	Line
1	15	rhoads	`##################################################################`
2			`# TITLE: Opcode Tester`
3			`# AUTHOR: Steve Rhoads (rhoadss@yahoo.com)`
4			`# DATE CREATED: 1/10/02`
5			`# FILENAME: opcodes.asm`
6	43	rhoads	`# PROJECT: Plasma CPU core`
7	15	rhoads	`# COPYRIGHT: Software placed into the public domain by the author.`
8			`# Software 'as is' without warranty. Author liable for nothing.`
9			`# DESCRIPTION:`
10			`# This assembly file tests all of the opcodes supported by the`
11	43	rhoads	`# Plasma core.`
12	15	rhoads	`# This test assumes that address 0xffff is the UART write register`
13			`# Successful tests will print out "A" or "AB" or "ABC" or ....`
14			`# Missing letters or letters out of order indicate a failure.`
15			`##################################################################`
16			`.text`
17			`.align 2`
18			`.globl entry`
19			`.ent entry`
20			`entry:`
21			`.set noreorder`
22
23	29	rhoads	`#These four instructions must be the first instructions`
24			`#convert.exe will correctly initialize $gp`
25			`lui $gp,0`
26			`ori $gp,$gp,0`
27			`#convert.exe will set $4=.sbss_start $5=.bss_end`
28			`ori $4,$0,0`
29			`ori $5,$0,0`
30
31	23	rhoads	`mtc0 $0,$12 #disable interrupts`
32	15	rhoads	`ori $20,$0,0xffff #serial port write address`
33			`ori $21,$0,'\n' # letter`
34			`ori $22,$0,'X' #'X' letter`
35
36			`######################################`
37			`#Arithmetic Instructions`
38			`######################################`
39			`ori $2,$0,'A'`
40			`sb $2,0($20)`
41			`ori $2,$0,'r'`
42			`sb $2,0($20)`
43			`ori $2,$0,'i'`
44			`sb $2,0($20)`
45			`ori $2,$0,'t'`
46			`sb $2,0($20)`
47			`ori $2,$0,'h'`
48			`sb $2,0($20)`
49			`sb $21,0($20)`
50
51	23	rhoads	`#a: ADD`
52			`ori $2,$0,'a'`
53			`sb $2,0($20)`
54	15	rhoads	`ori $3,$0,5`
55			`ori $4,$0,60`
56			`add $2,$3,$4`
57	23	rhoads	`sb $2,0($20) #A`
58	15	rhoads	`sb $21,0($20)`
59
60	23	rhoads	`#b: ADDI`
61			`ori $2,$0,'b'`
62			`sb $2,0($20)`
63	15	rhoads	`ori $4,$0,60`
64			`addi $2,$4,5`
65	23	rhoads	`sb $2,0($20) #A`
66	15	rhoads	`sb $21,0($20)`
67
68	23	rhoads	`#c: ADDIU`
69			`ori $2,$0,'c'`
70			`sb $2,0($20)`
71	15	rhoads	`ori $4,$0,50`
72			`addiu $5,$4,15`
73	23	rhoads	`sb $5,0($20) #A`
74	15	rhoads	`sb $21,0($20)`
75
76	23	rhoads	`#d: ADDU`
77			`ori $2,$0,'d'`
78			`sb $2,0($20)`
79	15	rhoads	`ori $3,$0,5`
80			`ori $4,$0,60`
81			`add $2,$3,$4`
82	23	rhoads	`sb $2,0($20) #A`
83	15	rhoads	`sb $21,0($20)`
84
85	23	rhoads	`#e: DIV`
86			`ori $2,$0,'e'`
87			`sb $2,0($20)`
88			`ori $2,$0,65*117+41`
89			`ori $3,$0,117`
90	15	rhoads	`div $2,$3`
91			`nop`
92			`mflo $4`
93	23	rhoads	`sb $4,0($20) #A`
94			`mfhi $4`
95			`addi $4,$4,66-41`
96			`sb $4,0($20) #B`
97			`li $2,-67*19`
98	15	rhoads	`ori $3,$0,19`
99			`div $2,$3`
100			`nop`
101			`mflo $4`
102			`sub $4,$0,$4`
103	23	rhoads	`sb $4,0($20) #C`
104			`ori $2,$0,68*23`
105	15	rhoads	`li $3,-23`
106			`div $2,$3`
107			`nop`
108			`mflo $4`
109			`sub $4,$0,$4`
110	23	rhoads	`sb $4,0($20) #D`
111			`li $2,-69*13`
112	15	rhoads	`li $3,-13`
113			`div $2,$3`
114			`mflo $4`
115	23	rhoads	`sb $4,0($20) #E`
116	15	rhoads	`sb $21,0($20)`
117
118	23	rhoads	`#f: DIVU`
119			`ori $2,$0,'f'`
120			`sb $2,0($20)`
121	15	rhoads	`ori $2,$0,65*13`
122			`ori $3,$0,13`
123	23	rhoads	`divu $2,$3`
124	15	rhoads	`nop`
125			`mflo $4`
126	23	rhoads	`sb $4,0($20) #A`
127	15	rhoads	`sb $21,0($20)`
128
129	23	rhoads	`#g: MULT`
130			`ori $2,$0,'g'`
131			`sb $2,0($20)`
132	15	rhoads	`ori $2,$0,5`
133			`ori $3,$0,13`
134			`mult $2,$3`
135			`nop`
136			`mflo $4`
137	23	rhoads	`sb $4,0($20) #A`
138	15	rhoads	`li $2,-5`
139			`ori $3,$0,13`
140			`mult $2,$3`
141			`nop`
142			`mflo $4`
143			`sub $4,$0,$4`
144			`addi $4,$4,1`
145	23	rhoads	`sb $4,0($20) #B`
146	15	rhoads	`ori $2,$0,5`
147			`li $3,-13`
148			`mult $2,$3`
149			`nop`
150			`mflo $4`
151			`sub $4,$0,$4`
152			`addi $4,$4,2`
153	23	rhoads	`sb $4,0($20) #C`
154	15	rhoads	`li $2,-5`
155			`li $3,-13`
156			`mult $2,$3`
157			`nop`
158			`mflo $4`
159			`addi $4,$4,3`
160	23	rhoads	`sb $4,0($20) #D`
161	44	rhoads	`lui $4,0xfe98`
162			`ori $4,$4,0x62e5`
163			`lui $5,0x6`
164			`ori $5,0x8db8`
165			`mult $4,$5`
166			`mfhi $6`
167			`addiu $7,$6,2356+1+'E' #E`
168			`sb $7,0($20)`
169	15	rhoads	`sb $21,0($20)`
170
171	23	rhoads	`#h: MULTU`
172			`ori $2,$0,'h'`
173			`sb $2,0($20)`
174	15	rhoads	`ori $2,$0,5`
175			`ori $3,$0,13`
176	23	rhoads	`multu $2,$3`
177	15	rhoads	`nop`
178			`mflo $4`
179	23	rhoads	`sb $4,0($20) #A`
180	15	rhoads	`sb $21,0($20)`
181
182	23	rhoads	`#i: SLT`
183			`ori $2,$0,'i'`
184			`sb $2,0($20)`
185	15	rhoads	`ori $2,$0,10`
186			`ori $3,$0,12`
187			`slt $4,$2,$3`
188			`addi $5,$4,64`
189	23	rhoads	`sb $5,0($20) #A`
190	15	rhoads	`slt $4,$3,$2`
191			`addi $5,$4,66`
192	23	rhoads	`sb $5,0($20) #B`
193	15	rhoads	`li $2,0xfffffff0`
194			`slt $4,$2,$3`
195			`addi $5,$4,66`
196	23	rhoads	`sb $5,0($20) #C`
197	15	rhoads	`slt $4,$3,$2`
198			`addi $5,$4,68`
199	23	rhoads	`sb $5,0($20) #D`
200	15	rhoads	`li $3,0xffffffff`
201			`slt $4,$2,$3`
202			`addi $5,$4,68`
203	23	rhoads	`sb $5,0($20) #E`
204	15	rhoads	`slt $4,$3,$2`
205			`addi $5,$4,70`
206	23	rhoads	`sb $5,0($20) #F`
207	15	rhoads	`sb $21,0($20)`
208
209	23	rhoads	`#j: SLTI`
210			`ori $2,$0,'j'`
211			`sb $2,0($20)`
212	15	rhoads	`ori $2,$0,10`
213			`slti $4,$2,12`
214			`addi $5,$4,64`
215	23	rhoads	`sb $5,0($20) #A`
216	15	rhoads	`slti $4,$2,8`
217			`addi $5,$4,66`
218	23	rhoads	`sb $5,0($20) #B`
219	15	rhoads	`sb $21,0($20)`
220
221	23	rhoads	`#k: SLTIU`
222			`ori $2,$0,'k'`
223			`sb $2,0($20)`
224	15	rhoads	`ori $2,$0,10`
225			`sltiu $4,$2,12`
226			`addi $5,$4,64`
227	23	rhoads	`sb $5,0($20) #A`
228	15	rhoads	`sltiu $4,$2,8`
229			`addi $5,$4,66`
230	23	rhoads	`sb $5,0($20) #B`
231	15	rhoads	`sb $21,0($20)`
232
233	23	rhoads	`#l: SLTU`
234			`ori $2,$0,'l'`
235			`sb $2,0($20)`
236	15	rhoads	`ori $2,$0,10`
237			`ori $3,$0,12`
238			`slt $4,$2,$3`
239			`addi $5,$4,64`
240	23	rhoads	`sb $5,0($20) #A`
241	15	rhoads	`slt $4,$3,$2`
242			`addi $5,$4,66`
243	23	rhoads	`sb $5,0($20) #B`
244	15	rhoads	`sb $21,0($20)`
245
246	23	rhoads	`#m: SUB`
247			`ori $2,$0,'m'`
248			`sb $2,0($20)`
249	15	rhoads	`ori $3,$0,70`
250			`ori $4,$0,5`
251			`sub $2,$3,$4`
252	23	rhoads	`sb $2,0($20) #A`
253	15	rhoads	`sb $21,0($20)`
254
255	23	rhoads	`#n: SUBU`
256			`ori $2,$0,'n'`
257			`sb $2,0($20)`
258	15	rhoads	`ori $3,$0,70`
259			`ori $4,$0,5`
260			`sub $2,$3,$4`
261	23	rhoads	`sb $2,0($20) #A`
262	15	rhoads	`sb $21,0($20)`
263
264			`######################################`
265			`#Branch and Jump Instructions`
266			`######################################`
267			`ori $2,$0,'B'`
268			`sb $2,0($20)`
269			`ori $2,$0,'r'`
270			`sb $2,0($20)`
271			`ori $2,$0,'a'`
272			`sb $2,0($20)`
273			`ori $2,$0,'n'`
274			`sb $2,0($20)`
275			`ori $2,$0,'c'`
276			`sb $2,0($20)`
277			`ori $2,$0,'h'`
278			`sb $2,0($20)`
279			`sb $21,0($20)`
280
281	23	rhoads	`#a: B`
282			`ori $2,$0,'a'`
283			`sb $2,0($20)`
284	15	rhoads	`ori $10,$0,'A'`
285			`ori $11,$0,'B'`
286			`b $B1`
287			`sb $10,0($20)`
288			`sb $22,0($20)`
289			`$B1:`
290			`sb $11,0($20)`
291			`sb $21,0($20)`
292
293	23	rhoads	`#b: BAL`
294			`ori $2,$0,'b'`
295			`sb $2,0($20)`
296	15	rhoads	`ori $10,$0,'A'`
297			`ori $11,$0,'B'`
298			`ori $12,$0,'C'`
299			`ori $13,$0,'D'`
300			`ori $14,$0,'E'`
301			`ori $15,$0,'X'`
302			`bal $BAL1`
303			`sb $10,0($20)`
304			`sb $13,0($20)`
305			`b $BAL2`
306			`sb $14,0($20)`
307			`sb $15,0($20)`
308			`$BAL1:`
309			`sb $11,0($20)`
310			`jr $31`
311			`sb $12,0($20)`
312			`sb $22,0($20)`
313			`$BAL2:`
314			`sb $21,0($20)`
315
316	23	rhoads	`#c: BEQ`
317			`ori $2,$0,'c'`
318			`sb $2,0($20)`
319	15	rhoads	`ori $10,$0,'A'`
320			`ori $11,$0,'B'`
321			`ori $12,$0,'C'`
322			`ori $13,$0,'D'`
323			`ori $2,$0,100`
324			`ori $3,$0,123`
325			`ori $4,$0,123`
326			`beq $2,$3,$BEQ1`
327			`sb $10,0($20)`
328			`sb $11,0($20)`
329			`beq $3,$4,$BEQ1`
330			`sb $12,0($20)`
331			`sb $22,0($20)`
332			`$BEQ1:`
333			`sb $13,0($20)`
334			`sb $21,0($20)`
335
336	23	rhoads	`#d: BGEZ`
337			`ori $2,$0,'d'`
338			`sb $2,0($20)`
339	15	rhoads	`ori $10,$0,'A'`
340			`ori $11,$0,'B'`
341			`ori $12,$0,'C'`
342			`ori $13,$0,'D'`
343			`or $15,$0,'X'`
344			`ori $2,$0,100`
345			`li $3,0xffff1234`
346			`ori $4,$0,123`
347			`bgez $3,$BGEZ1`
348			`sb $10,0($20)`
349			`sb $11,0($20)`
350			`bgez $2,$BGEZ1`
351			`sb $12,0($20)`
352			`sb $22,0($20)`
353			`$BGEZ1:`
354			`bgez $0,$BGEZ2`
355			`nop`
356			`sb $15,0($20)`
357			`$BGEZ2:`
358			`sb $13,0($20)`
359			`sb $21,0($20)`
360
361	23	rhoads	`#e: BGEZAL`
362			`ori $2,$0,'e'`
363			`sb $2,0($20)`
364	15	rhoads	`ori $10,$0,'A'`
365			`ori $11,$0,'B'`
366			`ori $12,$0,'C'`
367			`ori $13,$0,'D'`
368			`ori $14,$0,'E'`
369			`ori $15,$0,'X'`
370			`li $3,0xffff1234`
371			`bgezal $3,$BGEZAL1`
372			`nop`
373			`sb $10,0($20)`
374			`bgezal $0,$BGEZAL1`
375			`nop`
376			`sb $13,0($20)`
377			`b $BGEZAL2`
378			`sb $14,0($20)`
379			`sb $15,0($20)`
380			`$BGEZAL1:`
381			`sb $11,0($20)`
382			`jr $31`
383			`sb $12,0($20)`
384			`sb $22,0($20)`
385			`$BGEZAL2:`
386			`sb $21,0($20)`
387
388	23	rhoads	`#f: BGTZ`
389			`ori $2,$0,'f'`
390			`sb $2,0($20)`
391	15	rhoads	`ori $10,$0,'A'`
392			`ori $11,$0,'B'`
393			`ori $12,$0,'C'`
394			`ori $13,$0,'D'`
395			`ori $2,$0,100`
396			`li $3,0xffff1234`
397			`bgtz $3,$BGTZ1`
398			`sb $10,0($20)`
399			`sb $11,0($20)`
400			`bgtz $2,$BGTZ1`
401			`sb $12,0($20)`
402			`sb $22,0($20)`
403			`$BGTZ1:`
404			`sb $13,0($20)`
405			`sb $21,0($20)`
406
407	23	rhoads	`#g: BLEZ`
408			`ori $2,$0,'g'`
409			`sb $2,0($20)`
410	15	rhoads	`ori $10,$0,'A'`
411			`ori $11,$0,'B'`
412			`ori $12,$0,'C'`
413			`ori $13,$0,'D'`
414			`ori $2,$0,100`
415			`li $3,0xffff1234`
416			`blez $2,$BLEZ1`
417			`sb $10,0($20)`
418			`sb $11,0($20)`
419			`blez $3,$BLEZ1`
420			`sb $12,0($20)`
421			`sb $22,0($20)`
422			`$BLEZ1:`
423			`blez $0,$BLEZ2`
424			`nop`
425			`sb $22,0($20)`
426			`$BLEZ2:`
427			`sb $13,0($20)`
428			`sb $21,0($20)`
429
430	23	rhoads	`#h: BLTZ`
431			`ori $2,$0,'h'`
432			`sb $2,0($20)`
433	15	rhoads	`ori $10,$0,'A'`
434			`ori $11,$0,'B'`
435			`ori $12,$0,'C'`
436			`ori $13,$0,'D'`
437			`ori $14,$0,'E'`
438			`ori $2,$0,100`
439			`li $3,0xffff1234`
440			`ori $4,$0,0`
441			`bltz $2,$BLTZ1`
442			`sb $10,0($20)`
443			`sb $11,0($20)`
444			`bltz $3,$BLTZ1`
445			`sb $12,0($20)`
446			`sb $22,0($20)`
447			`$BLTZ1:`
448			`bltz $4,$BLTZ2`
449			`nop`
450			`sb $13,0($20)`
451			`$BLTZ2:`
452			`sb $14,0($20)`
453			`sb $21,0($20)`
454
455	23	rhoads	`#i: BLTZAL`
456			`ori $2,$0,'i'`
457			`sb $2,0($20)`
458	15	rhoads	`ori $10,$0,'A'`
459			`ori $11,$0,'B'`
460			`ori $12,$0,'C'`
461			`ori $13,$0,'D'`
462			`ori $14,$0,'E'`
463			`ori $15,$0,'X'`
464			`li $3,0xffff1234`
465			`bltzal $0,$BLTZAL1`
466			`nop`
467			`sb $10,0($20)`
468			`bltzal $3,$BLTZAL1`
469			`nop`
470			`sb $13,0($20)`
471			`b $BLTZAL2`
472			`sb $14,0($20)`
473			`sb $15,0($20)`
474			`$BLTZAL1:`
475			`sb $11,0($20)`
476			`jr $31`
477			`sb $12,0($20)`
478			`sb $22,0($20)`
479			`$BLTZAL2:`
480			`sb $21,0($20)`
481
482	23	rhoads	`#j: BNE`
483			`ori $2,$0,'j'`
484			`sb $2,0($20)`
485	15	rhoads	`ori $10,$0,'A'`
486			`ori $11,$0,'B'`
487			`ori $12,$0,'C'`
488			`ori $13,$0,'D'`
489			`ori $2,$0,100`
490			`ori $3,$0,123`
491			`ori $4,$0,123`
492			`bne $3,$4,$BNE1`
493			`sb $10,0($20)`
494			`sb $11,0($20)`
495			`bne $2,$3,$BNE1`
496			`sb $12,0($20)`
497			`sb $22,0($20)`
498			`$BNE1:`
499			`sb $13,0($20)`
500			`sb $21,0($20)`
501
502	23	rhoads	`#k: J`
503			`ori $2,$0,'k'`
504			`sb $2,0($20)`
505	15	rhoads	`ori $10,$0,'A'`
506			`ori $11,$0,'B'`
507			`ori $15,$0,'X'`
508			`j $J1`
509			`sb $10,0($20)`
510			`sb $15,0($20)`
511			`$J1:`
512			`sb $11,0($20)`
513			`sb $21,0($20)`
514
515	23	rhoads	`#l: JAL`
516			`ori $2,$0,'l'`
517			`sb $2,0($20)`
518	15	rhoads	`ori $10,$0,'A'`
519			`ori $11,$0,'B'`
520			`ori $12,$0,'C'`
521			`ori $13,$0,'D'`
522			`ori $14,$0,'E'`
523			`ori $15,$0,'X'`
524			`jal $JAL1`
525			`sb $10,0($20)`
526			`sb $13,0($20)`
527			`b $JAL2`
528			`sb $14,0($20)`
529			`sb $15,0($20)`
530			`$JAL1:`
531			`sb $11,0($20)`
532			`jr $31`
533			`sb $12,0($20)`
534			`sb $22,0($20)`
535			`$JAL2:`
536			`sb $21,0($20)`
537
538	23	rhoads	`#m: JALR`
539			`ori $2,$0,'m'`
540			`sb $2,0($20)`
541	15	rhoads	`ori $10,$0,'A'`
542			`ori $11,$0,'B'`
543			`ori $12,$0,'C'`
544			`ori $13,$0,'D'`
545			`ori $14,$0,'E'`
546			`ori $15,$0,'X'`
547			`la $3,$JALR1`
548			`jalr $3`
549			`sb $10,0($20)`
550			`sb $13,0($20)`
551			`b $JALR2`
552			`sb $14,0($20)`
553			`sb $15,0($20)`
554			`$JALR1:`
555			`sb $11,0($20)`
556			`jr $31`
557			`sb $12,0($20)`
558			`sb $22,0($20)`
559			`$JALR2:`
560			`sb $21,0($20)`
561
562	23	rhoads	`#n: JR`
563			`ori $2,$0,'n'`
564			`sb $2,0($20)`
565	15	rhoads	`ori $10,$0,'A'`
566			`ori $11,$0,'B'`
567			`ori $15,$0,'X'`
568			`la $3,$JR1`
569			`jr $3`
570			`sb $10,0($20)`
571			`sb $15,0($20)`
572			`$JR1:`
573			`sb $11,0($20)`
574			`sb $21,0($20)`
575
576	23	rhoads	`#o: NOP`
577			`ori $2,$0,'o'`
578			`sb $2,0($20)`
579	15	rhoads	`ori $2,$0,65`
580			`nop`
581			`sb $2,0($20)`
582			`sb $21,0($20)`
583
584
585			`######################################`
586			`#Load, Store, and Memory Control Instructions`
587			`######################################`
588			`ori $2,$0,'L'`
589			`sb $2,0($20)`
590			`ori $2,$0,'o'`
591			`sb $2,0($20)`
592			`ori $2,$0,'a'`
593			`sb $2,0($20)`
594			`ori $2,$0,'d'`
595			`sb $2,0($20)`
596			`sb $21,0($20)`
597
598	23	rhoads	`#a: LB`
599			`ori $2,$0,'a'`
600			`sb $2,0($20)`
601	15	rhoads	`ori $2,$0,0xf000`
602			`li $3,0x41424344`
603			`sw $3,16($2)`
604			`lb $4,16($2)`
605			`sb $4,0($20)`
606			`lb $4,17($2)`
607			`sb $4,0($20)`
608			`lb $4,18($2)`
609			`sb $4,0($20)`
610			`lb $2,19($2)`
611			`sb $2,0($20)`
612			`sb $21,0($20)`
613
614	23	rhoads	`#b: LBU`
615			`ori $2,$0,'b'`
616			`sb $2,0($20)`
617	15	rhoads	`ori $2,$0,0xf000`
618			`li $3,0x41424344`
619			`sw $3,16($2)`
620			`lb $4,16($2)`
621			`sb $4,0($20)`
622			`lb $4,17($2)`
623			`sb $4,0($20)`
624			`lb $4,18($2)`
625			`sb $4,0($20)`
626			`lb $2,19($2)`
627			`sb $2,0($20)`
628			`sb $21,0($20)`
629
630	23	rhoads	`#c: LH`
631			`ori $2,$0,'c'`
632			`sb $2,0($20)`
633	15	rhoads	`ori $2,$0,0xf000`
634			`li $3,0x00410042`
635			`sw $3,16($2)`
636			`lh $4,16($2)`
637			`sb $4,0($20)`
638			`lh $2,18($2)`
639			`sb $2,0($20)`
640			`sb $21,0($20)`
641
642	23	rhoads	`#d: LHU`
643			`ori $2,$0,'d'`
644			`sb $2,0($20)`
645	15	rhoads	`ori $2,$0,0xf000`
646			`li $3,0x00410042`
647			`sw $3,16($2)`
648			`lh $4,16($2)`
649			`sb $4,0($20)`
650			`lh $2,18($2)`
651			`sb $2,0($20)`
652			`sb $21,0($20)`
653
654	23	rhoads	`#e: LW`
655			`ori $2,$0,'e'`
656			`sb $2,0($20)`
657	15	rhoads	`ori $2,$0,0xf000`
658			`li $3,'A'`
659			`sw $3,16($2)`
660			`ori $3,$0,0`
661			`lw $2,16($2)`
662			`sb $2,0($20)`
663			`sb $21,0($20)`
664
665	23	rhoads	`#f: LWL & LWR`
666			`ori $2,$0,'f'`
667			`sb $2,0($20)`
668	15	rhoads	`ori $2,$0,0xf000`
669			`li $3,'A'`
670			`sw $3,16($2)`
671			`ori $3,$0,0`
672			`lwl $2,16($2)`
673			`lwr $2,16($2)`
674			`sb $2,0($20)`
675			`sb $21,0($20)`
676
677	23	rhoads	`#g: SB`
678			`ori $2,$0,'g'`
679			`sb $2,0($20)`
680	15	rhoads	`ori $2,$0,'A'`
681			`sb $2,0($20)`
682			`sb $21,0($20)`
683
684	23	rhoads	`#h: SH`
685			`ori $2,$0,'h'`
686			`sb $2,0($20)`
687	29	rhoads	`ori $4,$0,0xf000`
688	15	rhoads	`ori $2,$0,0x4142`
689	29	rhoads	`sh $2,16($4)`
690			`lb $3,16($4)`
691	15	rhoads	`sb $3,0($20)`
692	29	rhoads	`lb $2,17($4)`
693	15	rhoads	`sb $2,0($20)`
694			`sb $21,0($20)`
695
696	23	rhoads	`#i: SW`
697			`ori $2,$0,'i'`
698			`sb $2,0($20)`
699	15	rhoads	`ori $2,$0,0xf000`
700			`li $3,0x41424344`
701			`sw $3,16($2)`
702			`lb $4,16($2)`
703			`sb $4,0($20)`
704			`lb $4,17($2)`
705			`sb $4,0($20)`
706			`lb $4,18($2)`
707			`sb $4,0($20)`
708			`lb $2,19($2)`
709			`sb $2,0($20)`
710			`sb $21,0($20)`
711
712	23	rhoads	`#j: SWL & SWR`
713			`ori $2,$0,'j'`
714			`sb $2,0($20)`
715	15	rhoads	`ori $2,$0,0xf000`
716			`li $3,0x41424344`
717			`swl $3,16($2)`
718			`swr $3,16($2)`
719			`lb $4,16($2)`
720			`sb $4,0($20)`
721			`lb $4,17($2)`
722			`sb $4,0($20)`
723			`lb $4,18($2)`
724			`sb $4,0($20)`
725			`lb $2,19($2)`
726			`sb $2,0($20)`
727			`sb $21,0($20)`
728
729
730			`######################################`
731			`#Logical Instructions`
732			`######################################`
733			`ori $2,$0,'L'`
734			`sb $2,0($20)`
735			`ori $2,$0,'o'`
736			`sb $2,0($20)`
737			`ori $2,$0,'g'`
738			`sb $2,0($20)`
739			`ori $2,$0,'i'`
740			`sb $2,0($20)`
741			`ori $2,$0,'c'`
742			`sb $2,0($20)`
743			`sb $21,0($20)`
744
745	23	rhoads	`#a: AND`
746			`ori $2,$0,'a'`
747			`sb $2,0($20)`
748	15	rhoads	`ori $2,$0,0x0741`
749			`ori $3,$0,0x60f3`
750			`and $4,$2,$3`
751			`sb $4,0($20)`
752			`sb $21,0($20)`
753
754	23	rhoads	`#b: ANDI`
755			`ori $2,$0,'b'`
756			`sb $2,0($20)`
757	15	rhoads	`ori $2,$0,0x0741`
758			`andi $4,$2,0x60f3`
759			`sb $4,0($20)`
760			`sb $21,0($20)`
761
762	23	rhoads	`#c: LUI`
763			`ori $2,$0,'c'`
764			`sb $2,0($20)`
765	15	rhoads	`lui $2,0x41`
766			`srl $3,$2,16`
767			`sb $3,0($20)`
768			`sb $21,0($20)`
769
770	23	rhoads	`#d: NOR`
771			`ori $2,$0,'d'`
772			`sb $2,0($20)`
773	15	rhoads	`li $2,0xf0fff08e`
774			`li $3,0x0f0f0f30`
775			`nor $4,$2,$3`
776			`sb $4,0($20)`
777			`sb $21,0($20)`
778
779	23	rhoads	`#e: OR`
780			`ori $2,$0,'e'`
781			`sb $2,0($20)`
782	15	rhoads	`ori $2,$0,0x40`
783			`ori $3,$0,0x01`
784			`or $4,$2,$3`
785			`sb $4,0($20)`
786			`sb $21,0($20)`
787
788	23	rhoads	`#f: ORI`
789			`ori $2,$0,'f'`
790			`sb $2,0($20)`
791	15	rhoads	`ori $2,$0,0x40`
792			`ori $4,$2,0x01`
793			`sb $4,0($20)`
794			`sb $21,0($20)`
795
796	23	rhoads	`#g: XOR`
797			`ori $2,$0,'g'`
798			`sb $2,0($20)`
799	15	rhoads	`ori $2,$0,0xf043`
800			`ori $3,$0,0xf002`
801			`xor $4,$2,$3`
802			`sb $4,0($20)`
803			`sb $21,0($20)`
804
805	23	rhoads	`#h: XORI`
806			`ori $2,$0,'h'`
807			`sb $2,0($20)`
808	15	rhoads	`ori $2,$0,0xf043`
809			`xor $4,$2,0xf002`
810			`sb $4,0($20)`
811			`sb $21,0($20)`
812
813
814			`######################################`
815			`#Move Instructions`
816			`######################################`
817			`ori $2,$0,'M'`
818			`sb $2,0($20)`
819			`ori $2,$0,'o'`
820			`sb $2,0($20)`
821			`ori $2,$0,'v'`
822			`sb $2,0($20)`
823			`ori $2,$0,'e'`
824			`sb $2,0($20)`
825			`sb $21,0($20)`
826
827	23	rhoads	`#a: MFHI`
828			`ori $2,$0,'a'`
829			`sb $2,0($20)`
830	15	rhoads	`ori $2,$0,65`
831			`mthi $2`
832			`mfhi $3`
833			`sb $3,0($20)`
834			`sb $21,0($20)`
835
836	23	rhoads	`#b: MFLO`
837			`ori $2,$0,'b'`
838			`sb $2,0($20)`
839	15	rhoads	`ori $2,$0,65`
840			`mtlo $2`
841			`mflo $3`
842			`sb $3,0($20)`
843			`sb $21,0($20)`
844
845	23	rhoads	`#c: MTHI`
846			`ori $2,$0,'c'`
847			`sb $2,0($20)`
848	15	rhoads	`ori $2,$0,65`
849			`mthi $2`
850			`mfhi $3`
851			`sb $3,0($20)`
852			`sb $21,0($20)`
853
854	23	rhoads	`#d: MTLO`
855			`ori $2,$0,'d'`
856			`sb $2,0($20)`
857	15	rhoads	`ori $2,$0,65`
858			`mtlo $2`
859			`mflo $3`
860			`sb $3,0($20)`
861			`sb $21,0($20)`
862
863
864			`######################################`
865			`#Shift Instructions`
866			`######################################`
867			`ori $2,$0,'S'`
868			`sb $2,0($20)`
869			`ori $2,$0,'h'`
870			`sb $2,0($20)`
871			`ori $2,$0,'i'`
872			`sb $2,0($20)`
873			`ori $2,$0,'f'`
874			`sb $2,0($20)`
875			`ori $2,$0,'t'`
876			`sb $2,0($20)`
877			`sb $21,0($20)`
878
879	23	rhoads	`#a: SLL`
880			`ori $2,$0,'a'`
881			`sb $2,0($20)`
882	15	rhoads	`li $2,0x40414243`
883			`sll $3,$2,8`
884			`srl $3,$3,24`
885			`sb $3,0($20)`
886			`sb $21,0($20)`
887
888	23	rhoads	`#b: SLLV`
889			`ori $2,$0,'b'`
890			`sb $2,0($20)`
891	15	rhoads	`li $2,0x40414243`
892			`ori $3,$0,8`
893			`sllv $3,$2,$3`
894			`srl $3,$3,24`
895			`sb $3,0($20)`
896			`sb $21,0($20)`
897
898	23	rhoads	`#c: SRA`
899			`ori $2,$0,'c'`
900			`sb $2,0($20)`
901	15	rhoads	`li $2,0x40414243`
902			`sra $3,$2,16`
903			`sb $3,0($20)`
904			`li $2,0x84000000`
905			`sra $3,$2,25`
906			`sub $3,$3,0x80`
907			`sb $3,0($20)`
908			`sb $21,0($20)`
909
910	23	rhoads	`#d: SRAV`
911			`ori $2,$0,'d'`
912			`sb $2,0($20)`
913	15	rhoads	`li $2,0x40414243`
914			`ori $3,$0,16`
915			`srav $3,$2,$3`
916			`sb $3,0($20)`
917			`ori $3,$0,25`
918			`li $2,0x84000000`
919	29	rhoads	`srav $3,$2,$3`
920	15	rhoads	`sub $3,$3,0x80`
921			`sb $3,0($20)`
922			`sb $21,0($20)`
923
924	23	rhoads	`#e: SRL`
925			`ori $2,$0,'e'`
926			`sb $2,0($20)`
927	15	rhoads	`li $2,0x40414243`
928			`srl $3,$2,16`
929			`sb $3,0($20)`
930			`li $2,0x84000000`
931	29	rhoads	`srl $3,$2,25`
932	15	rhoads	`sb $3,0($20)`
933			`sb $21,0($20)`
934
935	23	rhoads	`#f: SRLV`
936			`ori $2,$0,'f'`
937			`sb $2,0($20)`
938	15	rhoads	`li $2,0x40414243`
939			`ori $3,$0,16`
940			`srlv $4,$2,$3`
941			`sb $4,0($20)`
942			`ori $3,$0,25`
943			`li $2,0x84000000`
944	29	rhoads	`srlv $3,$2,$3`
945	15	rhoads	`sb $3,0($20)`
946			`sb $21,0($20)`
947
948
949			`ori $2,$0,'D'`
950			`sb $2,0($20)`
951			`ori $2,$0,'o'`
952			`sb $2,0($20)`
953			`ori $2,$0,'n'`
954			`sb $2,0($20)`
955			`ori $2,$0,'e'`
956			`sb $2,0($20)`
957			`sb $21,0($20)`
958
959
960			`$DONE:`
961			`j $DONE`
962			`nop`
963
964			`.set reorder`
965			`.end entry`
966

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