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[/] [plasma/] [trunk/] [tools/] [opcodes.asm] - Blame information for rev 427

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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	200	rhoads	`la $gp, _gp #initialize stack pointer`
24			`la $4, __bss_start #$4 = .sbss_start`
25			`la $5, _end #$5 = .bss_end`
26			`nop #no stack needed`
27			`nop`
28	29	rhoads
29	194	rhoads	`b StartTest`
30			`nop #nops required to place ISR at 0x3c`
31			`nop`
32
33			`OS_AsmPatchValue:`
34			`#Code to place at address 0x3c`
35			`lui $26, 0x1000`
36			`ori $26, $26, 0x3c`
37			`jr $26`
38			`nop`
39
40			`InterruptVector: #Address=0x3c`
41			`mfc0 $26,$14 #C0_EPC=14 (Exception PC)`
42			`jr $26`
43			`add $4,$4,5`
44
45			`StartTest:`
46	23	rhoads	`mtc0 $0,$12 #disable interrupts`
47	148	rhoads	`lui $20,0x2000 #serial port write address`
48	15	rhoads	`ori $21,$0,'\n' # letter`
49			`ori $22,$0,'X' #'X' letter`
50	68	rhoads	`ori $23,$0,'\r'`
51	100	rhoads	`ori $24,$0,0x0f80 #temp memory`
52	15	rhoads
53	194	rhoads	`sb $23,0($20)`
54			`sb $21,0($20)`
55			`sb $23,0($20)`
56			`sb $21,0($20)`
57			`sb $23,0($20)`
58			`sb $21,0($20)`
59			`sb $23,0($20)`
60			`sb $21,0($20)`
61
62			`#Patch interrupt vector to 0x1000003c`
63			`la $5, OS_AsmPatchValue`
64			`sub $6,$5,0x1000`
65			`blez $6,NoPatch`
66
67			`lw $6, 0($5)`
68			`sw $6, 0x3c($0)`
69			`lw $6, 4($5)`
70			`sw $6, 0x40($0)`
71			`lw $6, 8($5)`
72			`sw $6, 0x44($0)`
73			`lw $6, 12($5)`
74			`sw $6, 0x48($0)`
75			`NoPatch:`
76
77	15	rhoads	`######################################`
78			`#Arithmetic Instructions`
79			`######################################`
80	194	rhoads	`ArthmeticTest:`
81	15	rhoads	`ori $2,$0,'A'`
82			`sb $2,0($20)`
83			`ori $2,$0,'r'`
84			`sb $2,0($20)`
85			`ori $2,$0,'i'`
86			`sb $2,0($20)`
87			`ori $2,$0,'t'`
88			`sb $2,0($20)`
89			`ori $2,$0,'h'`
90			`sb $2,0($20)`
91	68	rhoads	`sb $23,0($20)`
92	15	rhoads	`sb $21,0($20)`
93
94	23	rhoads	`#a: ADD`
95			`ori $2,$0,'a'`
96			`sb $2,0($20)`
97	15	rhoads	`ori $3,$0,5`
98			`ori $4,$0,60`
99			`add $2,$3,$4`
100	23	rhoads	`sb $2,0($20) #A`
101	68	rhoads	`sb $23,0($20)`
102	15	rhoads	`sb $21,0($20)`
103
104	23	rhoads	`#b: ADDI`
105			`ori $2,$0,'b'`
106			`sb $2,0($20)`
107	15	rhoads	`ori $4,$0,60`
108			`addi $2,$4,5`
109	23	rhoads	`sb $2,0($20) #A`
110	68	rhoads	`sb $23,0($20)`
111	15	rhoads	`sb $21,0($20)`
112
113	23	rhoads	`#c: ADDIU`
114			`ori $2,$0,'c'`
115			`sb $2,0($20)`
116	15	rhoads	`ori $4,$0,50`
117			`addiu $5,$4,15`
118	23	rhoads	`sb $5,0($20) #A`
119	68	rhoads	`sb $23,0($20)`
120	15	rhoads	`sb $21,0($20)`
121
122	23	rhoads	`#d: ADDU`
123			`ori $2,$0,'d'`
124			`sb $2,0($20)`
125	15	rhoads	`ori $3,$0,5`
126			`ori $4,$0,60`
127			`add $2,$3,$4`
128	23	rhoads	`sb $2,0($20) #A`
129	68	rhoads	`sb $23,0($20)`
130	15	rhoads	`sb $21,0($20)`
131
132	23	rhoads	`#e: DIV`
133			`ori $2,$0,'e'`
134			`sb $2,0($20)`
135			`ori $2,$0,65*117+41`
136			`ori $3,$0,117`
137	15	rhoads	`div $2,$3`
138			`nop`
139			`mflo $4`
140	23	rhoads	`sb $4,0($20) #A`
141			`mfhi $4`
142			`addi $4,$4,66-41`
143			`sb $4,0($20) #B`
144			`li $2,-67*19`
145	15	rhoads	`ori $3,$0,19`
146			`div $2,$3`
147			`nop`
148			`mflo $4`
149			`sub $4,$0,$4`
150	23	rhoads	`sb $4,0($20) #C`
151			`ori $2,$0,68*23`
152	15	rhoads	`li $3,-23`
153			`div $2,$3`
154			`nop`
155			`mflo $4`
156			`sub $4,$0,$4`
157	23	rhoads	`sb $4,0($20) #D`
158			`li $2,-69*13`
159	15	rhoads	`li $3,-13`
160			`div $2,$3`
161			`mflo $4`
162	23	rhoads	`sb $4,0($20) #E`
163	427	rhoads	`li $2,-5 #-5%12=-5`
164			`li $3,12`
165			`div $2,$3`
166			`mfhi $4`
167			`addiu $4,$4,'F'+5`
168			`sb $4,0($20) #F`
169	68	rhoads	`sb $23,0($20)`
170	15	rhoads	`sb $21,0($20)`
171
172	23	rhoads	`#f: DIVU`
173			`ori $2,$0,'f'`
174			`sb $2,0($20)`
175	15	rhoads	`ori $2,$0,65*13`
176			`ori $3,$0,13`
177	23	rhoads	`divu $2,$3`
178	15	rhoads	`nop`
179			`mflo $4`
180	23	rhoads	`sb $4,0($20) #A`
181	68	rhoads	`sb $23,0($20)`
182	15	rhoads	`sb $21,0($20)`
183
184	23	rhoads	`#g: MULT`
185			`ori $2,$0,'g'`
186			`sb $2,0($20)`
187	15	rhoads	`ori $2,$0,5`
188			`ori $3,$0,13`
189			`mult $2,$3`
190			`nop`
191			`mflo $4`
192	23	rhoads	`sb $4,0($20) #A`
193	15	rhoads	`li $2,-5`
194			`ori $3,$0,13`
195			`mult $2,$3`
196	100	rhoads	`mfhi $5`
197	15	rhoads	`mflo $4`
198			`sub $4,$0,$4`
199	100	rhoads	`addu $4,$4,$5`
200			`addi $4,$4,2`
201	23	rhoads	`sb $4,0($20) #B`
202	15	rhoads	`ori $2,$0,5`
203			`li $3,-13`
204			`mult $2,$3`
205	100	rhoads	`mfhi $5`
206	15	rhoads	`mflo $4`
207			`sub $4,$0,$4`
208	100	rhoads	`addu $4,$4,$5`
209			`addi $4,$4,3`
210	23	rhoads	`sb $4,0($20) #C`
211	15	rhoads	`li $2,-5`
212			`li $3,-13`
213			`mult $2,$3`
214	100	rhoads	`mfhi $5`
215	15	rhoads	`mflo $4`
216	100	rhoads	`addu $4,$4,$5`
217	15	rhoads	`addi $4,$4,3`
218	23	rhoads	`sb $4,0($20) #D`
219	44	rhoads	`lui $4,0xfe98`
220			`ori $4,$4,0x62e5`
221			`lui $5,0x6`
222			`ori $5,0x8db8`
223			`mult $4,$5`
224			`mfhi $6`
225			`addiu $7,$6,2356+1+'E' #E`
226			`sb $7,0($20)`
227	427	rhoads	`li $2,-1`
228			`li $3,0`
229			`mult $2,$3`
230			`mfhi $4`
231			`addiu $4,$4,'F'`
232			`sb $4,0($20) #F`
233			`mult $3,$2`
234			`mfhi $4`
235			`addiu $4,$4,'G'`
236			`sb $4,0($20) #G`
237	68	rhoads	`sb $23,0($20)`
238	15	rhoads	`sb $21,0($20)`
239
240	23	rhoads	`#h: MULTU`
241			`ori $2,$0,'h'`
242			`sb $2,0($20)`
243	15	rhoads	`ori $2,$0,5`
244			`ori $3,$0,13`
245	23	rhoads	`multu $2,$3`
246	15	rhoads	`nop`
247			`mflo $4`
248	23	rhoads	`sb $4,0($20) #A`
249	68	rhoads	`sb $23,0($20)`
250	15	rhoads	`sb $21,0($20)`
251
252	23	rhoads	`#i: SLT`
253			`ori $2,$0,'i'`
254			`sb $2,0($20)`
255	15	rhoads	`ori $2,$0,10`
256			`ori $3,$0,12`
257			`slt $4,$2,$3`
258			`addi $5,$4,64`
259	23	rhoads	`sb $5,0($20) #A`
260	15	rhoads	`slt $4,$3,$2`
261			`addi $5,$4,66`
262	23	rhoads	`sb $5,0($20) #B`
263	15	rhoads	`li $2,0xfffffff0`
264			`slt $4,$2,$3`
265			`addi $5,$4,66`
266	23	rhoads	`sb $5,0($20) #C`
267	15	rhoads	`slt $4,$3,$2`
268			`addi $5,$4,68`
269	23	rhoads	`sb $5,0($20) #D`
270	15	rhoads	`li $3,0xffffffff`
271			`slt $4,$2,$3`
272			`addi $5,$4,68`
273	23	rhoads	`sb $5,0($20) #E`
274	15	rhoads	`slt $4,$3,$2`
275			`addi $5,$4,70`
276	23	rhoads	`sb $5,0($20) #F`
277	68	rhoads	`sb $23,0($20)`
278	15	rhoads	`sb $21,0($20)`
279
280	23	rhoads	`#j: SLTI`
281			`ori $2,$0,'j'`
282			`sb $2,0($20)`
283	15	rhoads	`ori $2,$0,10`
284			`slti $4,$2,12`
285			`addi $5,$4,64`
286	23	rhoads	`sb $5,0($20) #A`
287	15	rhoads	`slti $4,$2,8`
288			`addi $5,$4,66`
289	23	rhoads	`sb $5,0($20) #B`
290	68	rhoads	`sb $23,0($20)`
291	15	rhoads	`sb $21,0($20)`
292
293	23	rhoads	`#k: SLTIU`
294			`ori $2,$0,'k'`
295			`sb $2,0($20)`
296	15	rhoads	`ori $2,$0,10`
297			`sltiu $4,$2,12`
298			`addi $5,$4,64`
299	23	rhoads	`sb $5,0($20) #A`
300	15	rhoads	`sltiu $4,$2,8`
301			`addi $5,$4,66`
302	23	rhoads	`sb $5,0($20) #B`
303	68	rhoads	`sb $23,0($20)`
304	15	rhoads	`sb $21,0($20)`
305
306	23	rhoads	`#l: SLTU`
307			`ori $2,$0,'l'`
308			`sb $2,0($20)`
309	15	rhoads	`ori $2,$0,10`
310			`ori $3,$0,12`
311			`slt $4,$2,$3`
312			`addi $5,$4,64`
313	23	rhoads	`sb $5,0($20) #A`
314	15	rhoads	`slt $4,$3,$2`
315			`addi $5,$4,66`
316	23	rhoads	`sb $5,0($20) #B`
317	68	rhoads	`sb $23,0($20)`
318	15	rhoads	`sb $21,0($20)`
319
320	23	rhoads	`#m: SUB`
321			`ori $2,$0,'m'`
322			`sb $2,0($20)`
323	15	rhoads	`ori $3,$0,70`
324			`ori $4,$0,5`
325			`sub $2,$3,$4`
326	23	rhoads	`sb $2,0($20) #A`
327	68	rhoads	`sb $23,0($20)`
328	15	rhoads	`sb $21,0($20)`
329
330	23	rhoads	`#n: SUBU`
331			`ori $2,$0,'n'`
332			`sb $2,0($20)`
333	15	rhoads	`ori $3,$0,70`
334			`ori $4,$0,5`
335			`sub $2,$3,$4`
336	23	rhoads	`sb $2,0($20) #A`
337	68	rhoads	`sb $23,0($20)`
338	15	rhoads	`sb $21,0($20)`
339
340			`######################################`
341			`#Branch and Jump Instructions`
342			`######################################`
343	194	rhoads	`BranchTest:`
344	15	rhoads	`ori $2,$0,'B'`
345			`sb $2,0($20)`
346			`ori $2,$0,'r'`
347			`sb $2,0($20)`
348			`ori $2,$0,'a'`
349			`sb $2,0($20)`
350			`ori $2,$0,'n'`
351			`sb $2,0($20)`
352			`ori $2,$0,'c'`
353			`sb $2,0($20)`
354			`ori $2,$0,'h'`
355			`sb $2,0($20)`
356	68	rhoads	`sb $23,0($20)`
357	15	rhoads	`sb $21,0($20)`
358
359	23	rhoads	`#a: B`
360			`ori $2,$0,'a'`
361			`sb $2,0($20)`
362	15	rhoads	`ori $10,$0,'A'`
363			`ori $11,$0,'B'`
364			`b $B1`
365			`sb $10,0($20)`
366			`sb $22,0($20)`
367			`$B1:`
368			`sb $11,0($20)`
369	68	rhoads	`sb $23,0($20)`
370	15	rhoads	`sb $21,0($20)`
371
372	23	rhoads	`#b: BAL`
373			`ori $2,$0,'b'`
374			`sb $2,0($20)`
375	15	rhoads	`ori $10,$0,'A'`
376			`ori $11,$0,'B'`
377			`ori $12,$0,'C'`
378			`ori $13,$0,'D'`
379			`ori $14,$0,'E'`
380			`ori $15,$0,'X'`
381			`bal $BAL1`
382			`sb $10,0($20)`
383			`sb $13,0($20)`
384			`b $BAL2`
385			`sb $14,0($20)`
386			`sb $15,0($20)`
387			`$BAL1:`
388			`sb $11,0($20)`
389			`jr $31`
390			`sb $12,0($20)`
391			`sb $22,0($20)`
392			`$BAL2:`
393	68	rhoads	`sb $23,0($20)`
394	15	rhoads	`sb $21,0($20)`
395
396	23	rhoads	`#c: BEQ`
397			`ori $2,$0,'c'`
398			`sb $2,0($20)`
399	15	rhoads	`ori $10,$0,'A'`
400			`ori $11,$0,'B'`
401			`ori $12,$0,'C'`
402			`ori $13,$0,'D'`
403			`ori $2,$0,100`
404			`ori $3,$0,123`
405			`ori $4,$0,123`
406			`beq $2,$3,$BEQ1`
407			`sb $10,0($20)`
408			`sb $11,0($20)`
409			`beq $3,$4,$BEQ1`
410			`sb $12,0($20)`
411			`sb $22,0($20)`
412			`$BEQ1:`
413			`sb $13,0($20)`
414	68	rhoads	`sb $23,0($20)`
415	15	rhoads	`sb $21,0($20)`
416
417	23	rhoads	`#d: BGEZ`
418			`ori $2,$0,'d'`
419			`sb $2,0($20)`
420	15	rhoads	`ori $10,$0,'A'`
421			`ori $11,$0,'B'`
422			`ori $12,$0,'C'`
423			`ori $13,$0,'D'`
424			`or $15,$0,'X'`
425			`ori $2,$0,100`
426			`li $3,0xffff1234`
427			`ori $4,$0,123`
428			`bgez $3,$BGEZ1`
429			`sb $10,0($20)`
430			`sb $11,0($20)`
431			`bgez $2,$BGEZ1`
432			`sb $12,0($20)`
433			`sb $22,0($20)`
434			`$BGEZ1:`
435			`bgez $0,$BGEZ2`
436			`nop`
437			`sb $15,0($20)`
438			`$BGEZ2:`
439			`sb $13,0($20)`
440	68	rhoads	`sb $23,0($20)`
441	15	rhoads	`sb $21,0($20)`
442
443	23	rhoads	`#e: BGEZAL`
444			`ori $2,$0,'e'`
445			`sb $2,0($20)`
446	15	rhoads	`ori $10,$0,'A'`
447			`ori $11,$0,'B'`
448			`ori $12,$0,'C'`
449			`ori $13,$0,'D'`
450			`ori $14,$0,'E'`
451			`ori $15,$0,'X'`
452			`li $3,0xffff1234`
453			`bgezal $3,$BGEZAL1`
454			`nop`
455			`sb $10,0($20)`
456			`bgezal $0,$BGEZAL1`
457			`nop`
458			`sb $13,0($20)`
459			`b $BGEZAL2`
460			`sb $14,0($20)`
461			`sb $15,0($20)`
462			`$BGEZAL1:`
463			`sb $11,0($20)`
464			`jr $31`
465			`sb $12,0($20)`
466			`sb $22,0($20)`
467			`$BGEZAL2:`
468	68	rhoads	`sb $23,0($20)`
469	15	rhoads	`sb $21,0($20)`
470
471	23	rhoads	`#f: BGTZ`
472			`ori $2,$0,'f'`
473			`sb $2,0($20)`
474	15	rhoads	`ori $10,$0,'A'`
475			`ori $11,$0,'B'`
476			`ori $12,$0,'C'`
477			`ori $13,$0,'D'`
478			`ori $2,$0,100`
479			`li $3,0xffff1234`
480			`bgtz $3,$BGTZ1`
481			`sb $10,0($20)`
482			`sb $11,0($20)`
483			`bgtz $2,$BGTZ1`
484			`sb $12,0($20)`
485			`sb $22,0($20)`
486			`$BGTZ1:`
487			`sb $13,0($20)`
488	68	rhoads	`sb $23,0($20)`
489	15	rhoads	`sb $21,0($20)`
490
491	23	rhoads	`#g: BLEZ`
492			`ori $2,$0,'g'`
493			`sb $2,0($20)`
494	15	rhoads	`ori $10,$0,'A'`
495			`ori $11,$0,'B'`
496			`ori $12,$0,'C'`
497			`ori $13,$0,'D'`
498			`ori $2,$0,100`
499			`li $3,0xffff1234`
500			`blez $2,$BLEZ1`
501			`sb $10,0($20)`
502			`sb $11,0($20)`
503			`blez $3,$BLEZ1`
504			`sb $12,0($20)`
505			`sb $22,0($20)`
506			`$BLEZ1:`
507			`blez $0,$BLEZ2`
508			`nop`
509			`sb $22,0($20)`
510			`$BLEZ2:`
511			`sb $13,0($20)`
512	68	rhoads	`sb $23,0($20)`
513	15	rhoads	`sb $21,0($20)`
514
515	23	rhoads	`#h: BLTZ`
516			`ori $2,$0,'h'`
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 $2,$0,100`
524			`li $3,0xffff1234`
525			`ori $4,$0,0`
526			`bltz $2,$BLTZ1`
527			`sb $10,0($20)`
528			`sb $11,0($20)`
529			`bltz $3,$BLTZ1`
530			`sb $12,0($20)`
531			`sb $22,0($20)`
532			`$BLTZ1:`
533			`bltz $4,$BLTZ2`
534			`nop`
535			`sb $13,0($20)`
536			`$BLTZ2:`
537			`sb $14,0($20)`
538	68	rhoads	`sb $23,0($20)`
539	15	rhoads	`sb $21,0($20)`
540
541	23	rhoads	`#i: BLTZAL`
542			`ori $2,$0,'i'`
543			`sb $2,0($20)`
544	15	rhoads	`ori $10,$0,'A'`
545			`ori $11,$0,'B'`
546			`ori $12,$0,'C'`
547			`ori $13,$0,'D'`
548			`ori $14,$0,'E'`
549			`ori $15,$0,'X'`
550			`li $3,0xffff1234`
551			`bltzal $0,$BLTZAL1`
552			`nop`
553			`sb $10,0($20)`
554			`bltzal $3,$BLTZAL1`
555			`nop`
556			`sb $13,0($20)`
557			`b $BLTZAL2`
558			`sb $14,0($20)`
559			`sb $15,0($20)`
560			`$BLTZAL1:`
561			`sb $11,0($20)`
562			`jr $31`
563			`sb $12,0($20)`
564			`sb $22,0($20)`
565			`$BLTZAL2:`
566	68	rhoads	`sb $23,0($20)`
567	15	rhoads	`sb $21,0($20)`
568
569	23	rhoads	`#j: BNE`
570			`ori $2,$0,'j'`
571			`sb $2,0($20)`
572	15	rhoads	`ori $10,$0,'A'`
573			`ori $11,$0,'B'`
574			`ori $12,$0,'C'`
575			`ori $13,$0,'D'`
576			`ori $2,$0,100`
577			`ori $3,$0,123`
578			`ori $4,$0,123`
579			`bne $3,$4,$BNE1`
580			`sb $10,0($20)`
581			`sb $11,0($20)`
582			`bne $2,$3,$BNE1`
583			`sb $12,0($20)`
584			`sb $22,0($20)`
585			`$BNE1:`
586			`sb $13,0($20)`
587	68	rhoads	`sb $23,0($20)`
588	15	rhoads	`sb $21,0($20)`
589
590	23	rhoads	`#k: J`
591			`ori $2,$0,'k'`
592			`sb $2,0($20)`
593	15	rhoads	`ori $10,$0,'A'`
594			`ori $11,$0,'B'`
595			`ori $15,$0,'X'`
596			`j $J1`
597			`sb $10,0($20)`
598			`sb $15,0($20)`
599			`$J1:`
600			`sb $11,0($20)`
601	68	rhoads	`sb $23,0($20)`
602	15	rhoads	`sb $21,0($20)`
603
604	23	rhoads	`#l: JAL`
605			`ori $2,$0,'l'`
606			`sb $2,0($20)`
607	15	rhoads	`ori $10,$0,'A'`
608			`ori $11,$0,'B'`
609			`ori $12,$0,'C'`
610			`ori $13,$0,'D'`
611			`ori $14,$0,'E'`
612			`ori $15,$0,'X'`
613			`jal $JAL1`
614			`sb $10,0($20)`
615			`sb $13,0($20)`
616			`b $JAL2`
617			`sb $14,0($20)`
618			`sb $15,0($20)`
619			`$JAL1:`
620			`sb $11,0($20)`
621			`jr $31`
622			`sb $12,0($20)`
623			`sb $22,0($20)`
624			`$JAL2:`
625	68	rhoads	`sb $23,0($20)`
626	15	rhoads	`sb $21,0($20)`
627
628	23	rhoads	`#m: JALR`
629			`ori $2,$0,'m'`
630			`sb $2,0($20)`
631	15	rhoads	`ori $10,$0,'A'`
632			`ori $11,$0,'B'`
633			`ori $12,$0,'C'`
634			`ori $13,$0,'D'`
635			`ori $14,$0,'E'`
636			`ori $15,$0,'X'`
637			`la $3,$JALR1`
638			`jalr $3`
639			`sb $10,0($20)`
640			`sb $13,0($20)`
641			`b $JALR2`
642			`sb $14,0($20)`
643			`sb $15,0($20)`
644			`$JALR1:`
645			`sb $11,0($20)`
646			`jr $31`
647			`sb $12,0($20)`
648			`sb $22,0($20)`
649			`$JALR2:`
650	68	rhoads	`sb $23,0($20)`
651	15	rhoads	`sb $21,0($20)`
652
653	23	rhoads	`#n: JR`
654			`ori $2,$0,'n'`
655			`sb $2,0($20)`
656	15	rhoads	`ori $10,$0,'A'`
657			`ori $11,$0,'B'`
658			`ori $15,$0,'X'`
659			`la $3,$JR1`
660			`jr $3`
661			`sb $10,0($20)`
662			`sb $15,0($20)`
663			`$JR1:`
664			`sb $11,0($20)`
665	68	rhoads	`sb $23,0($20)`
666	15	rhoads	`sb $21,0($20)`
667
668	23	rhoads	`#o: NOP`
669			`ori $2,$0,'o'`
670			`sb $2,0($20)`
671	15	rhoads	`ori $2,$0,65`
672			`nop`
673			`sb $2,0($20)`
674	68	rhoads	`sb $23,0($20)`
675	15	rhoads	`sb $21,0($20)`
676
677	194	rhoads	`# b LoadTest`
678	148	rhoads
679	194	rhoads	`BreakTest:`
680			`#p: BREAK`
681			`ori $2,$0,'p'`
682			`sb $2,0($20)`
683			`ori $2,$0,'z'`
684			`ori $4,$0,59`
685			`break 0`
686			`addi $4,$4,1`
687			`sb $4,0($20)`
688			`sb $23,0($20)`
689			`sb $21,0($20)`
690
691			`#q: SYSCALL`
692			`ori $2,$0,'q'`
693			`sb $2,0($20)`
694			`ori $4,$0,61`
695			`syscall 0`
696			`addi $4,$4,-1`
697			`sb $4,0($20)`
698			`sb $23,0($20)`
699			`sb $21,0($20)`
700
701
702	15	rhoads	`######################################`
703			`#Load, Store, and Memory Control Instructions`
704			`######################################`
705	194	rhoads	`LoadTest:`
706	15	rhoads	`ori $2,$0,'L'`
707			`sb $2,0($20)`
708			`ori $2,$0,'o'`
709			`sb $2,0($20)`
710			`ori $2,$0,'a'`
711			`sb $2,0($20)`
712			`ori $2,$0,'d'`
713			`sb $2,0($20)`
714	68	rhoads	`sb $23,0($20)`
715	15	rhoads	`sb $21,0($20)`
716
717	23	rhoads	`#a: LB`
718			`ori $2,$0,'a'`
719			`sb $2,0($20)`
720	68	rhoads	`or $2,$0,$24`
721	148	rhoads	`li $3,0x414243fc`
722	15	rhoads	`sw $3,16($2)`
723			`lb $4,16($2)`
724			`sb $4,0($20)`
725			`lb $4,17($2)`
726			`sb $4,0($20)`
727			`lb $4,18($2)`
728			`sb $4,0($20)`
729			`lb $2,19($2)`
730	148	rhoads	`sra $3,$2,8`
731			`addi $3,$3,0x45`
732			`sb $3,0($20)`
733			`addi $2,$2,0x49`
734	15	rhoads	`sb $2,0($20)`
735	68	rhoads	`sb $23,0($20)`
736	15	rhoads	`sb $21,0($20)`
737
738	23	rhoads	`#b: LBU`
739			`ori $2,$0,'b'`
740			`sb $2,0($20)`
741	68	rhoads	`or $2,$0,$24`
742	15	rhoads	`li $3,0x41424344`
743			`sw $3,16($2)`
744			`lb $4,16($2)`
745			`sb $4,0($20)`
746			`lb $4,17($2)`
747			`sb $4,0($20)`
748			`lb $4,18($2)`
749			`sb $4,0($20)`
750			`lb $2,19($2)`
751			`sb $2,0($20)`
752	68	rhoads	`sb $23,0($20)`
753	15	rhoads	`sb $21,0($20)`
754
755	23	rhoads	`#c: LH`
756			`ori $2,$0,'c'`
757			`sb $2,0($20)`
758	68	rhoads	`or $2,$0,$24`
759	15	rhoads	`li $3,0x00410042`
760			`sw $3,16($2)`
761			`lh $4,16($2)`
762			`sb $4,0($20)`
763			`lh $2,18($2)`
764			`sb $2,0($20)`
765	68	rhoads	`sb $23,0($20)`
766	15	rhoads	`sb $21,0($20)`
767
768	23	rhoads	`#d: LHU`
769			`ori $2,$0,'d'`
770			`sb $2,0($20)`
771	68	rhoads	`or $2,$0,$24`
772	15	rhoads	`li $3,0x00410042`
773			`sw $3,16($2)`
774			`lh $4,16($2)`
775			`sb $4,0($20)`
776			`lh $2,18($2)`
777			`sb $2,0($20)`
778	68	rhoads	`sb $23,0($20)`
779	15	rhoads	`sb $21,0($20)`
780
781	23	rhoads	`#e: LW`
782			`ori $2,$0,'e'`
783			`sb $2,0($20)`
784	68	rhoads	`or $2,$0,$24`
785	15	rhoads	`li $3,'A'`
786			`sw $3,16($2)`
787			`ori $3,$0,0`
788			`lw $2,16($2)`
789			`sb $2,0($20)`
790	68	rhoads	`sb $23,0($20)`
791	15	rhoads	`sb $21,0($20)`
792
793	23	rhoads	`#f: LWL & LWR`
794			`ori $2,$0,'f'`
795			`sb $2,0($20)`
796	68	rhoads	`or $2,$0,$24`
797	15	rhoads	`li $3,'A'`
798			`sw $3,16($2)`
799			`ori $3,$0,0`
800			`lwl $2,16($2)`
801			`lwr $2,16($2)`
802			`sb $2,0($20)`
803	68	rhoads	`sb $23,0($20)`
804	15	rhoads	`sb $21,0($20)`
805
806	23	rhoads	`#g: SB`
807			`ori $2,$0,'g'`
808			`sb $2,0($20)`
809	15	rhoads	`ori $2,$0,'A'`
810			`sb $2,0($20)`
811	68	rhoads	`sb $23,0($20)`
812	15	rhoads	`sb $21,0($20)`
813
814	23	rhoads	`#h: SH`
815			`ori $2,$0,'h'`
816			`sb $2,0($20)`
817	68	rhoads	`or $4,$0,$24`
818	15	rhoads	`ori $2,$0,0x4142`
819	29	rhoads	`sh $2,16($4)`
820			`lb $3,16($4)`
821	15	rhoads	`sb $3,0($20)`
822	29	rhoads	`lb $2,17($4)`
823	15	rhoads	`sb $2,0($20)`
824	68	rhoads	`sb $23,0($20)`
825	15	rhoads	`sb $21,0($20)`
826
827	23	rhoads	`#i: SW`
828			`ori $2,$0,'i'`
829			`sb $2,0($20)`
830	68	rhoads	`or $2,$0,$24`
831	15	rhoads	`li $3,0x41424344`
832			`sw $3,16($2)`
833			`lb $4,16($2)`
834			`sb $4,0($20)`
835			`lb $4,17($2)`
836			`sb $4,0($20)`
837			`lb $4,18($2)`
838			`sb $4,0($20)`
839			`lb $2,19($2)`
840			`sb $2,0($20)`
841	68	rhoads	`sb $23,0($20)`
842	15	rhoads	`sb $21,0($20)`
843
844	23	rhoads	`#j: SWL & SWR`
845			`ori $2,$0,'j'`
846			`sb $2,0($20)`
847	68	rhoads	`or $2,$0,$24`
848	15	rhoads	`li $3,0x41424344`
849			`swl $3,16($2)`
850			`swr $3,16($2)`
851			`lb $4,16($2)`
852			`sb $4,0($20)`
853			`lb $4,17($2)`
854			`sb $4,0($20)`
855			`lb $4,18($2)`
856			`sb $4,0($20)`
857			`lb $2,19($2)`
858			`sb $2,0($20)`
859	68	rhoads	`sb $23,0($20)`
860	15	rhoads	`sb $21,0($20)`
861
862
863			`######################################`
864			`#Logical Instructions`
865			`######################################`
866	194	rhoads	`LogicalTest:`
867	15	rhoads	`ori $2,$0,'L'`
868			`sb $2,0($20)`
869			`ori $2,$0,'o'`
870			`sb $2,0($20)`
871			`ori $2,$0,'g'`
872			`sb $2,0($20)`
873			`ori $2,$0,'i'`
874			`sb $2,0($20)`
875			`ori $2,$0,'c'`
876			`sb $2,0($20)`
877	68	rhoads	`sb $23,0($20)`
878	15	rhoads	`sb $21,0($20)`
879
880	23	rhoads	`#a: AND`
881			`ori $2,$0,'a'`
882			`sb $2,0($20)`
883	15	rhoads	`ori $2,$0,0x0741`
884			`ori $3,$0,0x60f3`
885			`and $4,$2,$3`
886			`sb $4,0($20)`
887	68	rhoads	`sb $23,0($20)`
888	15	rhoads	`sb $21,0($20)`
889
890	23	rhoads	`#b: ANDI`
891			`ori $2,$0,'b'`
892			`sb $2,0($20)`
893	15	rhoads	`ori $2,$0,0x0741`
894			`andi $4,$2,0x60f3`
895			`sb $4,0($20)`
896	68	rhoads	`sb $23,0($20)`
897	15	rhoads	`sb $21,0($20)`
898
899	23	rhoads	`#c: LUI`
900			`ori $2,$0,'c'`
901			`sb $2,0($20)`
902	15	rhoads	`lui $2,0x41`
903			`srl $3,$2,16`
904			`sb $3,0($20)`
905	68	rhoads	`sb $23,0($20)`
906	15	rhoads	`sb $21,0($20)`
907
908	23	rhoads	`#d: NOR`
909			`ori $2,$0,'d'`
910			`sb $2,0($20)`
911	15	rhoads	`li $2,0xf0fff08e`
912			`li $3,0x0f0f0f30`
913			`nor $4,$2,$3`
914			`sb $4,0($20)`
915	68	rhoads	`sb $23,0($20)`
916	15	rhoads	`sb $21,0($20)`
917
918	23	rhoads	`#e: OR`
919			`ori $2,$0,'e'`
920			`sb $2,0($20)`
921	15	rhoads	`ori $2,$0,0x40`
922			`ori $3,$0,0x01`
923			`or $4,$2,$3`
924			`sb $4,0($20)`
925	68	rhoads	`sb $23,0($20)`
926	15	rhoads	`sb $21,0($20)`
927
928	23	rhoads	`#f: ORI`
929			`ori $2,$0,'f'`
930			`sb $2,0($20)`
931	15	rhoads	`ori $2,$0,0x40`
932			`ori $4,$2,0x01`
933			`sb $4,0($20)`
934	68	rhoads	`sb $23,0($20)`
935	15	rhoads	`sb $21,0($20)`
936
937	23	rhoads	`#g: XOR`
938			`ori $2,$0,'g'`
939			`sb $2,0($20)`
940	15	rhoads	`ori $2,$0,0xf043`
941			`ori $3,$0,0xf002`
942			`xor $4,$2,$3`
943			`sb $4,0($20)`
944	68	rhoads	`sb $23,0($20)`
945	15	rhoads	`sb $21,0($20)`
946
947	23	rhoads	`#h: XORI`
948			`ori $2,$0,'h'`
949			`sb $2,0($20)`
950	15	rhoads	`ori $2,$0,0xf043`
951			`xor $4,$2,0xf002`
952			`sb $4,0($20)`
953	68	rhoads	`sb $23,0($20)`
954	15	rhoads	`sb $21,0($20)`
955
956
957			`######################################`
958			`#Move Instructions`
959			`######################################`
960	194	rhoads	`MoveTest:`
961	15	rhoads	`ori $2,$0,'M'`
962			`sb $2,0($20)`
963			`ori $2,$0,'o'`
964			`sb $2,0($20)`
965			`ori $2,$0,'v'`
966			`sb $2,0($20)`
967			`ori $2,$0,'e'`
968			`sb $2,0($20)`
969	68	rhoads	`sb $23,0($20)`
970	15	rhoads	`sb $21,0($20)`
971
972	23	rhoads	`#a: MFHI`
973			`ori $2,$0,'a'`
974			`sb $2,0($20)`
975	15	rhoads	`ori $2,$0,65`
976			`mthi $2`
977			`mfhi $3`
978			`sb $3,0($20)`
979	68	rhoads	`sb $23,0($20)`
980	15	rhoads	`sb $21,0($20)`
981
982	23	rhoads	`#b: MFLO`
983			`ori $2,$0,'b'`
984			`sb $2,0($20)`
985	15	rhoads	`ori $2,$0,65`
986			`mtlo $2`
987			`mflo $3`
988			`sb $3,0($20)`
989	68	rhoads	`sb $23,0($20)`
990	15	rhoads	`sb $21,0($20)`
991
992	23	rhoads	`#c: MTHI`
993			`ori $2,$0,'c'`
994			`sb $2,0($20)`
995	15	rhoads	`ori $2,$0,65`
996			`mthi $2`
997			`mfhi $3`
998			`sb $3,0($20)`
999	68	rhoads	`sb $23,0($20)`
1000	15	rhoads	`sb $21,0($20)`
1001
1002	23	rhoads	`#d: MTLO`
1003			`ori $2,$0,'d'`
1004			`sb $2,0($20)`
1005	15	rhoads	`ori $2,$0,65`
1006			`mtlo $2`
1007			`mflo $3`
1008			`sb $3,0($20)`
1009	68	rhoads	`sb $23,0($20)`
1010	15	rhoads	`sb $21,0($20)`
1011
1012
1013			`######################################`
1014			`#Shift Instructions`
1015			`######################################`
1016	194	rhoads	`ShiftTest:`
1017	15	rhoads	`ori $2,$0,'S'`
1018			`sb $2,0($20)`
1019			`ori $2,$0,'h'`
1020			`sb $2,0($20)`
1021			`ori $2,$0,'i'`
1022			`sb $2,0($20)`
1023			`ori $2,$0,'f'`
1024			`sb $2,0($20)`
1025			`ori $2,$0,'t'`
1026			`sb $2,0($20)`
1027	68	rhoads	`sb $23,0($20)`
1028	15	rhoads	`sb $21,0($20)`
1029
1030	23	rhoads	`#a: SLL`
1031			`ori $2,$0,'a'`
1032			`sb $2,0($20)`
1033	15	rhoads	`li $2,0x40414243`
1034			`sll $3,$2,8`
1035			`srl $3,$3,24`
1036			`sb $3,0($20)`
1037	68	rhoads	`sb $23,0($20)`
1038	15	rhoads	`sb $21,0($20)`
1039
1040	23	rhoads	`#b: SLLV`
1041			`ori $2,$0,'b'`
1042			`sb $2,0($20)`
1043	15	rhoads	`li $2,0x40414243`
1044			`ori $3,$0,8`
1045			`sllv $3,$2,$3`
1046			`srl $3,$3,24`
1047			`sb $3,0($20)`
1048	68	rhoads	`sb $23,0($20)`
1049	15	rhoads	`sb $21,0($20)`
1050
1051	23	rhoads	`#c: SRA`
1052			`ori $2,$0,'c'`
1053			`sb $2,0($20)`
1054	15	rhoads	`li $2,0x40414243`
1055			`sra $3,$2,16`
1056			`sb $3,0($20)`
1057			`li $2,0x84000000`
1058			`sra $3,$2,25`
1059			`sub $3,$3,0x80`
1060			`sb $3,0($20)`
1061	68	rhoads	`sb $23,0($20)`
1062	15	rhoads	`sb $21,0($20)`
1063
1064	23	rhoads	`#d: SRAV`
1065			`ori $2,$0,'d'`
1066			`sb $2,0($20)`
1067	15	rhoads	`li $2,0x40414243`
1068			`ori $3,$0,16`
1069			`srav $3,$2,$3`
1070			`sb $3,0($20)`
1071			`ori $3,$0,25`
1072			`li $2,0x84000000`
1073	29	rhoads	`srav $3,$2,$3`
1074	15	rhoads	`sub $3,$3,0x80`
1075			`sb $3,0($20)`
1076	68	rhoads	`sb $23,0($20)`
1077	15	rhoads	`sb $21,0($20)`
1078
1079	23	rhoads	`#e: SRL`
1080			`ori $2,$0,'e'`
1081			`sb $2,0($20)`
1082	15	rhoads	`li $2,0x40414243`
1083			`srl $3,$2,16`
1084			`sb $3,0($20)`
1085			`li $2,0x84000000`
1086	29	rhoads	`srl $3,$2,25`
1087	15	rhoads	`sb $3,0($20)`
1088	68	rhoads	`sb $23,0($20)`
1089	15	rhoads	`sb $21,0($20)`
1090
1091	23	rhoads	`#f: SRLV`
1092			`ori $2,$0,'f'`
1093			`sb $2,0($20)`
1094	15	rhoads	`li $2,0x40414243`
1095			`ori $3,$0,16`
1096			`srlv $4,$2,$3`
1097			`sb $4,0($20)`
1098			`ori $3,$0,25`
1099			`li $2,0x84000000`
1100	29	rhoads	`srlv $3,$2,$3`
1101	15	rhoads	`sb $3,0($20)`
1102	68	rhoads	`sb $23,0($20)`
1103	15	rhoads	`sb $21,0($20)`
1104
1105
1106			`ori $2,$0,'D'`
1107			`sb $2,0($20)`
1108			`ori $2,$0,'o'`
1109			`sb $2,0($20)`
1110			`ori $2,$0,'n'`
1111			`sb $2,0($20)`
1112			`ori $2,$0,'e'`
1113			`sb $2,0($20)`
1114	68	rhoads	`sb $23,0($20)`
1115	15	rhoads	`sb $21,0($20)`
1116
1117
1118			`$DONE:`
1119			`j $DONE`
1120			`nop`
1121
1122			`.set reorder`
1123			`.end entry`
1124

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