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

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