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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	148	rhoads	`# This test assumes that address 0x20000000 is the UART write register`
13	15	rhoads	`# 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	111	rhoads	`lui $4,0`
29			`ori $4,$4,0`
30			`lui $5,0`
31			`ori $5,$5,0`
32			`lui $sp,0`
33			`ori $sp,$sp,0xfff0`
34	29	rhoads
35	23	rhoads	`mtc0 $0,$12 #disable interrupts`
36	148	rhoads	`lui $20,0x2000 #serial port write address`
37	15	rhoads	`ori $21,$0,'\n' # letter`
38			`ori $22,$0,'X' #'X' letter`
39	68	rhoads	`ori $23,$0,'\r'`
40	100	rhoads	`ori $24,$0,0x0f80 #temp memory`
41	15	rhoads
42			`######################################`
43			`#Arithmetic Instructions`
44			`######################################`
45			`ori $2,$0,'A'`
46			`sb $2,0($20)`
47			`ori $2,$0,'r'`
48			`sb $2,0($20)`
49			`ori $2,$0,'i'`
50			`sb $2,0($20)`
51			`ori $2,$0,'t'`
52			`sb $2,0($20)`
53			`ori $2,$0,'h'`
54			`sb $2,0($20)`
55	68	rhoads	`sb $23,0($20)`
56	15	rhoads	`sb $21,0($20)`
57
58	23	rhoads	`#a: ADD`
59			`ori $2,$0,'a'`
60			`sb $2,0($20)`
61	15	rhoads	`ori $3,$0,5`
62			`ori $4,$0,60`
63			`add $2,$3,$4`
64	23	rhoads	`sb $2,0($20) #A`
65	68	rhoads	`sb $23,0($20)`
66	15	rhoads	`sb $21,0($20)`
67
68	23	rhoads	`#b: ADDI`
69			`ori $2,$0,'b'`
70			`sb $2,0($20)`
71	15	rhoads	`ori $4,$0,60`
72			`addi $2,$4,5`
73	23	rhoads	`sb $2,0($20) #A`
74	68	rhoads	`sb $23,0($20)`
75	15	rhoads	`sb $21,0($20)`
76
77	23	rhoads	`#c: ADDIU`
78			`ori $2,$0,'c'`
79			`sb $2,0($20)`
80	15	rhoads	`ori $4,$0,50`
81			`addiu $5,$4,15`
82	23	rhoads	`sb $5,0($20) #A`
83	68	rhoads	`sb $23,0($20)`
84	15	rhoads	`sb $21,0($20)`
85
86	23	rhoads	`#d: ADDU`
87			`ori $2,$0,'d'`
88			`sb $2,0($20)`
89	15	rhoads	`ori $3,$0,5`
90			`ori $4,$0,60`
91			`add $2,$3,$4`
92	23	rhoads	`sb $2,0($20) #A`
93	68	rhoads	`sb $23,0($20)`
94	15	rhoads	`sb $21,0($20)`
95
96	23	rhoads	`#e: DIV`
97			`ori $2,$0,'e'`
98			`sb $2,0($20)`
99			`ori $2,$0,65*117+41`
100			`ori $3,$0,117`
101	15	rhoads	`div $2,$3`
102			`nop`
103			`mflo $4`
104	23	rhoads	`sb $4,0($20) #A`
105			`mfhi $4`
106			`addi $4,$4,66-41`
107			`sb $4,0($20) #B`
108			`li $2,-67*19`
109	15	rhoads	`ori $3,$0,19`
110			`div $2,$3`
111			`nop`
112			`mflo $4`
113			`sub $4,$0,$4`
114	23	rhoads	`sb $4,0($20) #C`
115			`ori $2,$0,68*23`
116	15	rhoads	`li $3,-23`
117			`div $2,$3`
118			`nop`
119			`mflo $4`
120			`sub $4,$0,$4`
121	23	rhoads	`sb $4,0($20) #D`
122			`li $2,-69*13`
123	15	rhoads	`li $3,-13`
124			`div $2,$3`
125			`mflo $4`
126	23	rhoads	`sb $4,0($20) #E`
127	68	rhoads	`sb $23,0($20)`
128	15	rhoads	`sb $21,0($20)`
129
130	23	rhoads	`#f: DIVU`
131			`ori $2,$0,'f'`
132			`sb $2,0($20)`
133	15	rhoads	`ori $2,$0,65*13`
134			`ori $3,$0,13`
135	23	rhoads	`divu $2,$3`
136	15	rhoads	`nop`
137			`mflo $4`
138	23	rhoads	`sb $4,0($20) #A`
139	68	rhoads	`sb $23,0($20)`
140	15	rhoads	`sb $21,0($20)`
141
142	23	rhoads	`#g: MULT`
143			`ori $2,$0,'g'`
144			`sb $2,0($20)`
145	15	rhoads	`ori $2,$0,5`
146			`ori $3,$0,13`
147			`mult $2,$3`
148			`nop`
149			`mflo $4`
150	23	rhoads	`sb $4,0($20) #A`
151	15	rhoads	`li $2,-5`
152			`ori $3,$0,13`
153			`mult $2,$3`
154	100	rhoads	`mfhi $5`
155	15	rhoads	`mflo $4`
156			`sub $4,$0,$4`
157	100	rhoads	`addu $4,$4,$5`
158			`addi $4,$4,2`
159	23	rhoads	`sb $4,0($20) #B`
160	15	rhoads	`ori $2,$0,5`
161			`li $3,-13`
162			`mult $2,$3`
163	100	rhoads	`mfhi $5`
164	15	rhoads	`mflo $4`
165			`sub $4,$0,$4`
166	100	rhoads	`addu $4,$4,$5`
167			`addi $4,$4,3`
168	23	rhoads	`sb $4,0($20) #C`
169	15	rhoads	`li $2,-5`
170			`li $3,-13`
171			`mult $2,$3`
172	100	rhoads	`mfhi $5`
173	15	rhoads	`mflo $4`
174	100	rhoads	`addu $4,$4,$5`
175	15	rhoads	`addi $4,$4,3`
176	23	rhoads	`sb $4,0($20) #D`
177	44	rhoads	`lui $4,0xfe98`
178			`ori $4,$4,0x62e5`
179			`lui $5,0x6`
180			`ori $5,0x8db8`
181			`mult $4,$5`
182			`mfhi $6`
183			`addiu $7,$6,2356+1+'E' #E`
184			`sb $7,0($20)`
185	68	rhoads	`sb $23,0($20)`
186	15	rhoads	`sb $21,0($20)`
187
188	23	rhoads	`#h: MULTU`
189			`ori $2,$0,'h'`
190			`sb $2,0($20)`
191	15	rhoads	`ori $2,$0,5`
192			`ori $3,$0,13`
193	23	rhoads	`multu $2,$3`
194	15	rhoads	`nop`
195			`mflo $4`
196	23	rhoads	`sb $4,0($20) #A`
197	68	rhoads	`sb $23,0($20)`
198	15	rhoads	`sb $21,0($20)`
199
200	23	rhoads	`#i: SLT`
201			`ori $2,$0,'i'`
202			`sb $2,0($20)`
203	15	rhoads	`ori $2,$0,10`
204			`ori $3,$0,12`
205			`slt $4,$2,$3`
206			`addi $5,$4,64`
207	23	rhoads	`sb $5,0($20) #A`
208	15	rhoads	`slt $4,$3,$2`
209			`addi $5,$4,66`
210	23	rhoads	`sb $5,0($20) #B`
211	15	rhoads	`li $2,0xfffffff0`
212			`slt $4,$2,$3`
213			`addi $5,$4,66`
214	23	rhoads	`sb $5,0($20) #C`
215	15	rhoads	`slt $4,$3,$2`
216			`addi $5,$4,68`
217	23	rhoads	`sb $5,0($20) #D`
218	15	rhoads	`li $3,0xffffffff`
219			`slt $4,$2,$3`
220			`addi $5,$4,68`
221	23	rhoads	`sb $5,0($20) #E`
222	15	rhoads	`slt $4,$3,$2`
223			`addi $5,$4,70`
224	23	rhoads	`sb $5,0($20) #F`
225	68	rhoads	`sb $23,0($20)`
226	15	rhoads	`sb $21,0($20)`
227
228	23	rhoads	`#j: SLTI`
229			`ori $2,$0,'j'`
230			`sb $2,0($20)`
231	15	rhoads	`ori $2,$0,10`
232			`slti $4,$2,12`
233			`addi $5,$4,64`
234	23	rhoads	`sb $5,0($20) #A`
235	15	rhoads	`slti $4,$2,8`
236			`addi $5,$4,66`
237	23	rhoads	`sb $5,0($20) #B`
238	68	rhoads	`sb $23,0($20)`
239	15	rhoads	`sb $21,0($20)`
240
241	23	rhoads	`#k: SLTIU`
242			`ori $2,$0,'k'`
243			`sb $2,0($20)`
244	15	rhoads	`ori $2,$0,10`
245			`sltiu $4,$2,12`
246			`addi $5,$4,64`
247	23	rhoads	`sb $5,0($20) #A`
248	15	rhoads	`sltiu $4,$2,8`
249			`addi $5,$4,66`
250	23	rhoads	`sb $5,0($20) #B`
251	68	rhoads	`sb $23,0($20)`
252	15	rhoads	`sb $21,0($20)`
253
254	23	rhoads	`#l: SLTU`
255			`ori $2,$0,'l'`
256			`sb $2,0($20)`
257	15	rhoads	`ori $2,$0,10`
258			`ori $3,$0,12`
259			`slt $4,$2,$3`
260			`addi $5,$4,64`
261	23	rhoads	`sb $5,0($20) #A`
262	15	rhoads	`slt $4,$3,$2`
263			`addi $5,$4,66`
264	23	rhoads	`sb $5,0($20) #B`
265	68	rhoads	`sb $23,0($20)`
266	15	rhoads	`sb $21,0($20)`
267
268	23	rhoads	`#m: SUB`
269			`ori $2,$0,'m'`
270			`sb $2,0($20)`
271	15	rhoads	`ori $3,$0,70`
272			`ori $4,$0,5`
273			`sub $2,$3,$4`
274	23	rhoads	`sb $2,0($20) #A`
275	68	rhoads	`sb $23,0($20)`
276	15	rhoads	`sb $21,0($20)`
277
278	23	rhoads	`#n: SUBU`
279			`ori $2,$0,'n'`
280			`sb $2,0($20)`
281	15	rhoads	`ori $3,$0,70`
282			`ori $4,$0,5`
283			`sub $2,$3,$4`
284	23	rhoads	`sb $2,0($20) #A`
285	68	rhoads	`sb $23,0($20)`
286	15	rhoads	`sb $21,0($20)`
287
288			`######################################`
289			`#Branch and Jump Instructions`
290			`######################################`
291			`ori $2,$0,'B'`
292			`sb $2,0($20)`
293			`ori $2,$0,'r'`
294			`sb $2,0($20)`
295			`ori $2,$0,'a'`
296			`sb $2,0($20)`
297			`ori $2,$0,'n'`
298			`sb $2,0($20)`
299			`ori $2,$0,'c'`
300			`sb $2,0($20)`
301			`ori $2,$0,'h'`
302			`sb $2,0($20)`
303	68	rhoads	`sb $23,0($20)`
304	15	rhoads	`sb $21,0($20)`
305
306	23	rhoads	`#a: B`
307			`ori $2,$0,'a'`
308			`sb $2,0($20)`
309	15	rhoads	`ori $10,$0,'A'`
310			`ori $11,$0,'B'`
311			`b $B1`
312			`sb $10,0($20)`
313			`sb $22,0($20)`
314			`$B1:`
315			`sb $11,0($20)`
316	68	rhoads	`sb $23,0($20)`
317	15	rhoads	`sb $21,0($20)`
318
319	23	rhoads	`#b: BAL`
320			`ori $2,$0,'b'`
321			`sb $2,0($20)`
322	15	rhoads	`ori $10,$0,'A'`
323			`ori $11,$0,'B'`
324			`ori $12,$0,'C'`
325			`ori $13,$0,'D'`
326			`ori $14,$0,'E'`
327			`ori $15,$0,'X'`
328			`bal $BAL1`
329			`sb $10,0($20)`
330			`sb $13,0($20)`
331			`b $BAL2`
332			`sb $14,0($20)`
333			`sb $15,0($20)`
334			`$BAL1:`
335			`sb $11,0($20)`
336			`jr $31`
337			`sb $12,0($20)`
338			`sb $22,0($20)`
339			`$BAL2:`
340	68	rhoads	`sb $23,0($20)`
341	15	rhoads	`sb $21,0($20)`
342
343	23	rhoads	`#c: BEQ`
344			`ori $2,$0,'c'`
345			`sb $2,0($20)`
346	15	rhoads	`ori $10,$0,'A'`
347			`ori $11,$0,'B'`
348			`ori $12,$0,'C'`
349			`ori $13,$0,'D'`
350			`ori $2,$0,100`
351			`ori $3,$0,123`
352			`ori $4,$0,123`
353			`beq $2,$3,$BEQ1`
354			`sb $10,0($20)`
355			`sb $11,0($20)`
356			`beq $3,$4,$BEQ1`
357			`sb $12,0($20)`
358			`sb $22,0($20)`
359			`$BEQ1:`
360			`sb $13,0($20)`
361	68	rhoads	`sb $23,0($20)`
362	15	rhoads	`sb $21,0($20)`
363
364	23	rhoads	`#d: BGEZ`
365			`ori $2,$0,'d'`
366			`sb $2,0($20)`
367	15	rhoads	`ori $10,$0,'A'`
368			`ori $11,$0,'B'`
369			`ori $12,$0,'C'`
370			`ori $13,$0,'D'`
371			`or $15,$0,'X'`
372			`ori $2,$0,100`
373			`li $3,0xffff1234`
374			`ori $4,$0,123`
375			`bgez $3,$BGEZ1`
376			`sb $10,0($20)`
377			`sb $11,0($20)`
378			`bgez $2,$BGEZ1`
379			`sb $12,0($20)`
380			`sb $22,0($20)`
381			`$BGEZ1:`
382			`bgez $0,$BGEZ2`
383			`nop`
384			`sb $15,0($20)`
385			`$BGEZ2:`
386			`sb $13,0($20)`
387	68	rhoads	`sb $23,0($20)`
388	15	rhoads	`sb $21,0($20)`
389
390	23	rhoads	`#e: BGEZAL`
391			`ori $2,$0,'e'`
392			`sb $2,0($20)`
393	15	rhoads	`ori $10,$0,'A'`
394			`ori $11,$0,'B'`
395			`ori $12,$0,'C'`
396			`ori $13,$0,'D'`
397			`ori $14,$0,'E'`
398			`ori $15,$0,'X'`
399			`li $3,0xffff1234`
400			`bgezal $3,$BGEZAL1`
401			`nop`
402			`sb $10,0($20)`
403			`bgezal $0,$BGEZAL1`
404			`nop`
405			`sb $13,0($20)`
406			`b $BGEZAL2`
407			`sb $14,0($20)`
408			`sb $15,0($20)`
409			`$BGEZAL1:`
410			`sb $11,0($20)`
411			`jr $31`
412			`sb $12,0($20)`
413			`sb $22,0($20)`
414			`$BGEZAL2:`
415	68	rhoads	`sb $23,0($20)`
416	15	rhoads	`sb $21,0($20)`
417
418	23	rhoads	`#f: BGTZ`
419			`ori $2,$0,'f'`
420			`sb $2,0($20)`
421	15	rhoads	`ori $10,$0,'A'`
422			`ori $11,$0,'B'`
423			`ori $12,$0,'C'`
424			`ori $13,$0,'D'`
425			`ori $2,$0,100`
426			`li $3,0xffff1234`
427			`bgtz $3,$BGTZ1`
428			`sb $10,0($20)`
429			`sb $11,0($20)`
430			`bgtz $2,$BGTZ1`
431			`sb $12,0($20)`
432			`sb $22,0($20)`
433			`$BGTZ1:`
434			`sb $13,0($20)`
435	68	rhoads	`sb $23,0($20)`
436	15	rhoads	`sb $21,0($20)`
437
438	23	rhoads	`#g: BLEZ`
439			`ori $2,$0,'g'`
440			`sb $2,0($20)`
441	15	rhoads	`ori $10,$0,'A'`
442			`ori $11,$0,'B'`
443			`ori $12,$0,'C'`
444			`ori $13,$0,'D'`
445			`ori $2,$0,100`
446			`li $3,0xffff1234`
447			`blez $2,$BLEZ1`
448			`sb $10,0($20)`
449			`sb $11,0($20)`
450			`blez $3,$BLEZ1`
451			`sb $12,0($20)`
452			`sb $22,0($20)`
453			`$BLEZ1:`
454			`blez $0,$BLEZ2`
455			`nop`
456			`sb $22,0($20)`
457			`$BLEZ2:`
458			`sb $13,0($20)`
459	68	rhoads	`sb $23,0($20)`
460	15	rhoads	`sb $21,0($20)`
461
462	23	rhoads	`#h: BLTZ`
463			`ori $2,$0,'h'`
464			`sb $2,0($20)`
465	15	rhoads	`ori $10,$0,'A'`
466			`ori $11,$0,'B'`
467			`ori $12,$0,'C'`
468			`ori $13,$0,'D'`
469			`ori $14,$0,'E'`
470			`ori $2,$0,100`
471			`li $3,0xffff1234`
472			`ori $4,$0,0`
473			`bltz $2,$BLTZ1`
474			`sb $10,0($20)`
475			`sb $11,0($20)`
476			`bltz $3,$BLTZ1`
477			`sb $12,0($20)`
478			`sb $22,0($20)`
479			`$BLTZ1:`
480			`bltz $4,$BLTZ2`
481			`nop`
482			`sb $13,0($20)`
483			`$BLTZ2:`
484			`sb $14,0($20)`
485	68	rhoads	`sb $23,0($20)`
486	15	rhoads	`sb $21,0($20)`
487
488	23	rhoads	`#i: BLTZAL`
489			`ori $2,$0,'i'`
490			`sb $2,0($20)`
491	15	rhoads	`ori $10,$0,'A'`
492			`ori $11,$0,'B'`
493			`ori $12,$0,'C'`
494			`ori $13,$0,'D'`
495			`ori $14,$0,'E'`
496			`ori $15,$0,'X'`
497			`li $3,0xffff1234`
498			`bltzal $0,$BLTZAL1`
499			`nop`
500			`sb $10,0($20)`
501			`bltzal $3,$BLTZAL1`
502			`nop`
503			`sb $13,0($20)`
504			`b $BLTZAL2`
505			`sb $14,0($20)`
506			`sb $15,0($20)`
507			`$BLTZAL1:`
508			`sb $11,0($20)`
509			`jr $31`
510			`sb $12,0($20)`
511			`sb $22,0($20)`
512			`$BLTZAL2:`
513	68	rhoads	`sb $23,0($20)`
514	15	rhoads	`sb $21,0($20)`
515
516	23	rhoads	`#j: BNE`
517			`ori $2,$0,'j'`
518			`sb $2,0($20)`
519	15	rhoads	`ori $10,$0,'A'`
520			`ori $11,$0,'B'`
521			`ori $12,$0,'C'`
522			`ori $13,$0,'D'`
523			`ori $2,$0,100`
524			`ori $3,$0,123`
525			`ori $4,$0,123`
526			`bne $3,$4,$BNE1`
527			`sb $10,0($20)`
528			`sb $11,0($20)`
529			`bne $2,$3,$BNE1`
530			`sb $12,0($20)`
531			`sb $22,0($20)`
532			`$BNE1:`
533			`sb $13,0($20)`
534	68	rhoads	`sb $23,0($20)`
535	15	rhoads	`sb $21,0($20)`
536
537	23	rhoads	`#k: J`
538			`ori $2,$0,'k'`
539			`sb $2,0($20)`
540	15	rhoads	`ori $10,$0,'A'`
541			`ori $11,$0,'B'`
542			`ori $15,$0,'X'`
543			`j $J1`
544			`sb $10,0($20)`
545			`sb $15,0($20)`
546			`$J1:`
547			`sb $11,0($20)`
548	68	rhoads	`sb $23,0($20)`
549	15	rhoads	`sb $21,0($20)`
550
551	23	rhoads	`#l: JAL`
552			`ori $2,$0,'l'`
553			`sb $2,0($20)`
554	15	rhoads	`ori $10,$0,'A'`
555			`ori $11,$0,'B'`
556			`ori $12,$0,'C'`
557			`ori $13,$0,'D'`
558			`ori $14,$0,'E'`
559			`ori $15,$0,'X'`
560			`jal $JAL1`
561			`sb $10,0($20)`
562			`sb $13,0($20)`
563			`b $JAL2`
564			`sb $14,0($20)`
565			`sb $15,0($20)`
566			`$JAL1:`
567			`sb $11,0($20)`
568			`jr $31`
569			`sb $12,0($20)`
570			`sb $22,0($20)`
571			`$JAL2:`
572	68	rhoads	`sb $23,0($20)`
573	15	rhoads	`sb $21,0($20)`
574
575	23	rhoads	`#m: JALR`
576			`ori $2,$0,'m'`
577			`sb $2,0($20)`
578	15	rhoads	`ori $10,$0,'A'`
579			`ori $11,$0,'B'`
580			`ori $12,$0,'C'`
581			`ori $13,$0,'D'`
582			`ori $14,$0,'E'`
583			`ori $15,$0,'X'`
584			`la $3,$JALR1`
585			`jalr $3`
586			`sb $10,0($20)`
587			`sb $13,0($20)`
588			`b $JALR2`
589			`sb $14,0($20)`
590			`sb $15,0($20)`
591			`$JALR1:`
592			`sb $11,0($20)`
593			`jr $31`
594			`sb $12,0($20)`
595			`sb $22,0($20)`
596			`$JALR2:`
597	68	rhoads	`sb $23,0($20)`
598	15	rhoads	`sb $21,0($20)`
599
600	23	rhoads	`#n: JR`
601			`ori $2,$0,'n'`
602			`sb $2,0($20)`
603	15	rhoads	`ori $10,$0,'A'`
604			`ori $11,$0,'B'`
605			`ori $15,$0,'X'`
606			`la $3,$JR1`
607			`jr $3`
608			`sb $10,0($20)`
609			`sb $15,0($20)`
610			`$JR1:`
611			`sb $11,0($20)`
612	68	rhoads	`sb $23,0($20)`
613	15	rhoads	`sb $21,0($20)`
614
615	23	rhoads	`#o: NOP`
616			`ori $2,$0,'o'`
617			`sb $2,0($20)`
618	15	rhoads	`ori $2,$0,65`
619			`nop`
620			`sb $2,0($20)`
621	68	rhoads	`sb $23,0($20)`
622	15	rhoads	`sb $21,0($20)`
623
624	148	rhoads
625	15	rhoads	`######################################`
626			`#Load, Store, and Memory Control Instructions`
627			`######################################`
628			`ori $2,$0,'L'`
629			`sb $2,0($20)`
630			`ori $2,$0,'o'`
631			`sb $2,0($20)`
632			`ori $2,$0,'a'`
633			`sb $2,0($20)`
634			`ori $2,$0,'d'`
635			`sb $2,0($20)`
636	68	rhoads	`sb $23,0($20)`
637	15	rhoads	`sb $21,0($20)`
638
639	23	rhoads	`#a: LB`
640			`ori $2,$0,'a'`
641			`sb $2,0($20)`
642	68	rhoads	`or $2,$0,$24`
643	148	rhoads	`li $3,0x414243fc`
644	15	rhoads	`sw $3,16($2)`
645			`lb $4,16($2)`
646			`sb $4,0($20)`
647			`lb $4,17($2)`
648			`sb $4,0($20)`
649			`lb $4,18($2)`
650			`sb $4,0($20)`
651			`lb $2,19($2)`
652	148	rhoads	`sra $3,$2,8`
653			`addi $3,$3,0x45`
654			`sb $3,0($20)`
655			`addi $2,$2,0x49`
656	15	rhoads	`sb $2,0($20)`
657	68	rhoads	`sb $23,0($20)`
658	15	rhoads	`sb $21,0($20)`
659
660	23	rhoads	`#b: LBU`
661			`ori $2,$0,'b'`
662			`sb $2,0($20)`
663	68	rhoads	`or $2,$0,$24`
664	15	rhoads	`li $3,0x41424344`
665			`sw $3,16($2)`
666			`lb $4,16($2)`
667			`sb $4,0($20)`
668			`lb $4,17($2)`
669			`sb $4,0($20)`
670			`lb $4,18($2)`
671			`sb $4,0($20)`
672			`lb $2,19($2)`
673			`sb $2,0($20)`
674	68	rhoads	`sb $23,0($20)`
675	15	rhoads	`sb $21,0($20)`
676
677	23	rhoads	`#c: LH`
678			`ori $2,$0,'c'`
679			`sb $2,0($20)`
680	68	rhoads	`or $2,$0,$24`
681	15	rhoads	`li $3,0x00410042`
682			`sw $3,16($2)`
683			`lh $4,16($2)`
684			`sb $4,0($20)`
685			`lh $2,18($2)`
686			`sb $2,0($20)`
687	68	rhoads	`sb $23,0($20)`
688	15	rhoads	`sb $21,0($20)`
689
690	23	rhoads	`#d: LHU`
691			`ori $2,$0,'d'`
692			`sb $2,0($20)`
693	68	rhoads	`or $2,$0,$24`
694	15	rhoads	`li $3,0x00410042`
695			`sw $3,16($2)`
696			`lh $4,16($2)`
697			`sb $4,0($20)`
698			`lh $2,18($2)`
699			`sb $2,0($20)`
700	68	rhoads	`sb $23,0($20)`
701	15	rhoads	`sb $21,0($20)`
702
703	23	rhoads	`#e: LW`
704			`ori $2,$0,'e'`
705			`sb $2,0($20)`
706	68	rhoads	`or $2,$0,$24`
707	15	rhoads	`li $3,'A'`
708			`sw $3,16($2)`
709			`ori $3,$0,0`
710			`lw $2,16($2)`
711			`sb $2,0($20)`
712	68	rhoads	`sb $23,0($20)`
713	15	rhoads	`sb $21,0($20)`
714
715	23	rhoads	`#f: LWL & LWR`
716			`ori $2,$0,'f'`
717			`sb $2,0($20)`
718	68	rhoads	`or $2,$0,$24`
719	15	rhoads	`li $3,'A'`
720			`sw $3,16($2)`
721			`ori $3,$0,0`
722			`lwl $2,16($2)`
723			`lwr $2,16($2)`
724			`sb $2,0($20)`
725	68	rhoads	`sb $23,0($20)`
726	15	rhoads	`sb $21,0($20)`
727
728	23	rhoads	`#g: SB`
729			`ori $2,$0,'g'`
730			`sb $2,0($20)`
731	15	rhoads	`ori $2,$0,'A'`
732			`sb $2,0($20)`
733	68	rhoads	`sb $23,0($20)`
734	15	rhoads	`sb $21,0($20)`
735
736	23	rhoads	`#h: SH`
737			`ori $2,$0,'h'`
738			`sb $2,0($20)`
739	68	rhoads	`or $4,$0,$24`
740	15	rhoads	`ori $2,$0,0x4142`
741	29	rhoads	`sh $2,16($4)`
742			`lb $3,16($4)`
743	15	rhoads	`sb $3,0($20)`
744	29	rhoads	`lb $2,17($4)`
745	15	rhoads	`sb $2,0($20)`
746	68	rhoads	`sb $23,0($20)`
747	15	rhoads	`sb $21,0($20)`
748
749	23	rhoads	`#i: SW`
750			`ori $2,$0,'i'`
751			`sb $2,0($20)`
752	68	rhoads	`or $2,$0,$24`
753	15	rhoads	`li $3,0x41424344`
754			`sw $3,16($2)`
755			`lb $4,16($2)`
756			`sb $4,0($20)`
757			`lb $4,17($2)`
758			`sb $4,0($20)`
759			`lb $4,18($2)`
760			`sb $4,0($20)`
761			`lb $2,19($2)`
762			`sb $2,0($20)`
763	68	rhoads	`sb $23,0($20)`
764	15	rhoads	`sb $21,0($20)`
765
766	23	rhoads	`#j: SWL & SWR`
767			`ori $2,$0,'j'`
768			`sb $2,0($20)`
769	68	rhoads	`or $2,$0,$24`
770	15	rhoads	`li $3,0x41424344`
771			`swl $3,16($2)`
772			`swr $3,16($2)`
773			`lb $4,16($2)`
774			`sb $4,0($20)`
775			`lb $4,17($2)`
776			`sb $4,0($20)`
777			`lb $4,18($2)`
778			`sb $4,0($20)`
779			`lb $2,19($2)`
780			`sb $2,0($20)`
781	68	rhoads	`sb $23,0($20)`
782	15	rhoads	`sb $21,0($20)`
783
784
785			`######################################`
786			`#Logical Instructions`
787			`######################################`
788			`ori $2,$0,'L'`
789			`sb $2,0($20)`
790			`ori $2,$0,'o'`
791			`sb $2,0($20)`
792			`ori $2,$0,'g'`
793			`sb $2,0($20)`
794			`ori $2,$0,'i'`
795			`sb $2,0($20)`
796			`ori $2,$0,'c'`
797			`sb $2,0($20)`
798	68	rhoads	`sb $23,0($20)`
799	15	rhoads	`sb $21,0($20)`
800
801	23	rhoads	`#a: AND`
802			`ori $2,$0,'a'`
803			`sb $2,0($20)`
804	15	rhoads	`ori $2,$0,0x0741`
805			`ori $3,$0,0x60f3`
806			`and $4,$2,$3`
807			`sb $4,0($20)`
808	68	rhoads	`sb $23,0($20)`
809	15	rhoads	`sb $21,0($20)`
810
811	23	rhoads	`#b: ANDI`
812			`ori $2,$0,'b'`
813			`sb $2,0($20)`
814	15	rhoads	`ori $2,$0,0x0741`
815			`andi $4,$2,0x60f3`
816			`sb $4,0($20)`
817	68	rhoads	`sb $23,0($20)`
818	15	rhoads	`sb $21,0($20)`
819
820	23	rhoads	`#c: LUI`
821			`ori $2,$0,'c'`
822			`sb $2,0($20)`
823	15	rhoads	`lui $2,0x41`
824			`srl $3,$2,16`
825			`sb $3,0($20)`
826	68	rhoads	`sb $23,0($20)`
827	15	rhoads	`sb $21,0($20)`
828
829	23	rhoads	`#d: NOR`
830			`ori $2,$0,'d'`
831			`sb $2,0($20)`
832	15	rhoads	`li $2,0xf0fff08e`
833			`li $3,0x0f0f0f30`
834			`nor $4,$2,$3`
835			`sb $4,0($20)`
836	68	rhoads	`sb $23,0($20)`
837	15	rhoads	`sb $21,0($20)`
838
839	23	rhoads	`#e: OR`
840			`ori $2,$0,'e'`
841			`sb $2,0($20)`
842	15	rhoads	`ori $2,$0,0x40`
843			`ori $3,$0,0x01`
844			`or $4,$2,$3`
845			`sb $4,0($20)`
846	68	rhoads	`sb $23,0($20)`
847	15	rhoads	`sb $21,0($20)`
848
849	23	rhoads	`#f: ORI`
850			`ori $2,$0,'f'`
851			`sb $2,0($20)`
852	15	rhoads	`ori $2,$0,0x40`
853			`ori $4,$2,0x01`
854			`sb $4,0($20)`
855	68	rhoads	`sb $23,0($20)`
856	15	rhoads	`sb $21,0($20)`
857
858	23	rhoads	`#g: XOR`
859			`ori $2,$0,'g'`
860			`sb $2,0($20)`
861	15	rhoads	`ori $2,$0,0xf043`
862			`ori $3,$0,0xf002`
863			`xor $4,$2,$3`
864			`sb $4,0($20)`
865	68	rhoads	`sb $23,0($20)`
866	15	rhoads	`sb $21,0($20)`
867
868	23	rhoads	`#h: XORI`
869			`ori $2,$0,'h'`
870			`sb $2,0($20)`
871	15	rhoads	`ori $2,$0,0xf043`
872			`xor $4,$2,0xf002`
873			`sb $4,0($20)`
874	68	rhoads	`sb $23,0($20)`
875	15	rhoads	`sb $21,0($20)`
876
877
878			`######################################`
879			`#Move Instructions`
880			`######################################`
881			`ori $2,$0,'M'`
882			`sb $2,0($20)`
883			`ori $2,$0,'o'`
884			`sb $2,0($20)`
885			`ori $2,$0,'v'`
886			`sb $2,0($20)`
887			`ori $2,$0,'e'`
888			`sb $2,0($20)`
889	68	rhoads	`sb $23,0($20)`
890	15	rhoads	`sb $21,0($20)`
891
892	23	rhoads	`#a: MFHI`
893			`ori $2,$0,'a'`
894			`sb $2,0($20)`
895	15	rhoads	`ori $2,$0,65`
896			`mthi $2`
897			`mfhi $3`
898			`sb $3,0($20)`
899	68	rhoads	`sb $23,0($20)`
900	15	rhoads	`sb $21,0($20)`
901
902	23	rhoads	`#b: MFLO`
903			`ori $2,$0,'b'`
904			`sb $2,0($20)`
905	15	rhoads	`ori $2,$0,65`
906			`mtlo $2`
907			`mflo $3`
908			`sb $3,0($20)`
909	68	rhoads	`sb $23,0($20)`
910	15	rhoads	`sb $21,0($20)`
911
912	23	rhoads	`#c: MTHI`
913			`ori $2,$0,'c'`
914			`sb $2,0($20)`
915	15	rhoads	`ori $2,$0,65`
916			`mthi $2`
917			`mfhi $3`
918			`sb $3,0($20)`
919	68	rhoads	`sb $23,0($20)`
920	15	rhoads	`sb $21,0($20)`
921
922	23	rhoads	`#d: MTLO`
923			`ori $2,$0,'d'`
924			`sb $2,0($20)`
925	15	rhoads	`ori $2,$0,65`
926			`mtlo $2`
927			`mflo $3`
928			`sb $3,0($20)`
929	68	rhoads	`sb $23,0($20)`
930	15	rhoads	`sb $21,0($20)`
931
932
933			`######################################`
934			`#Shift Instructions`
935			`######################################`
936			`ori $2,$0,'S'`
937			`sb $2,0($20)`
938			`ori $2,$0,'h'`
939			`sb $2,0($20)`
940			`ori $2,$0,'i'`
941			`sb $2,0($20)`
942			`ori $2,$0,'f'`
943			`sb $2,0($20)`
944			`ori $2,$0,'t'`
945			`sb $2,0($20)`
946	68	rhoads	`sb $23,0($20)`
947	15	rhoads	`sb $21,0($20)`
948
949	23	rhoads	`#a: SLL`
950			`ori $2,$0,'a'`
951			`sb $2,0($20)`
952	15	rhoads	`li $2,0x40414243`
953			`sll $3,$2,8`
954			`srl $3,$3,24`
955			`sb $3,0($20)`
956	68	rhoads	`sb $23,0($20)`
957	15	rhoads	`sb $21,0($20)`
958
959	23	rhoads	`#b: SLLV`
960			`ori $2,$0,'b'`
961			`sb $2,0($20)`
962	15	rhoads	`li $2,0x40414243`
963			`ori $3,$0,8`
964			`sllv $3,$2,$3`
965			`srl $3,$3,24`
966			`sb $3,0($20)`
967	68	rhoads	`sb $23,0($20)`
968	15	rhoads	`sb $21,0($20)`
969
970	23	rhoads	`#c: SRA`
971			`ori $2,$0,'c'`
972			`sb $2,0($20)`
973	15	rhoads	`li $2,0x40414243`
974			`sra $3,$2,16`
975			`sb $3,0($20)`
976			`li $2,0x84000000`
977			`sra $3,$2,25`
978			`sub $3,$3,0x80`
979			`sb $3,0($20)`
980	68	rhoads	`sb $23,0($20)`
981	15	rhoads	`sb $21,0($20)`
982
983	23	rhoads	`#d: SRAV`
984			`ori $2,$0,'d'`
985			`sb $2,0($20)`
986	15	rhoads	`li $2,0x40414243`
987			`ori $3,$0,16`
988			`srav $3,$2,$3`
989			`sb $3,0($20)`
990			`ori $3,$0,25`
991			`li $2,0x84000000`
992	29	rhoads	`srav $3,$2,$3`
993	15	rhoads	`sub $3,$3,0x80`
994			`sb $3,0($20)`
995	68	rhoads	`sb $23,0($20)`
996	15	rhoads	`sb $21,0($20)`
997
998	23	rhoads	`#e: SRL`
999			`ori $2,$0,'e'`
1000			`sb $2,0($20)`
1001	15	rhoads	`li $2,0x40414243`
1002			`srl $3,$2,16`
1003			`sb $3,0($20)`
1004			`li $2,0x84000000`
1005	29	rhoads	`srl $3,$2,25`
1006	15	rhoads	`sb $3,0($20)`
1007	68	rhoads	`sb $23,0($20)`
1008	15	rhoads	`sb $21,0($20)`
1009
1010	23	rhoads	`#f: SRLV`
1011			`ori $2,$0,'f'`
1012			`sb $2,0($20)`
1013	15	rhoads	`li $2,0x40414243`
1014			`ori $3,$0,16`
1015			`srlv $4,$2,$3`
1016			`sb $4,0($20)`
1017			`ori $3,$0,25`
1018			`li $2,0x84000000`
1019	29	rhoads	`srlv $3,$2,$3`
1020	15	rhoads	`sb $3,0($20)`
1021	68	rhoads	`sb $23,0($20)`
1022	15	rhoads	`sb $21,0($20)`
1023
1024
1025			`ori $2,$0,'D'`
1026			`sb $2,0($20)`
1027			`ori $2,$0,'o'`
1028			`sb $2,0($20)`
1029			`ori $2,$0,'n'`
1030			`sb $2,0($20)`
1031			`ori $2,$0,'e'`
1032			`sb $2,0($20)`
1033	68	rhoads	`sb $23,0($20)`
1034	15	rhoads	`sb $21,0($20)`
1035
1036
1037			`$DONE:`
1038			`j $DONE`
1039			`nop`
1040
1041			`.set reorder`
1042			`.end entry`
1043

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