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Line No.	Rev	Author	Line
1	65	motilito	`AS80 Assembler for i8080-Z180 [1.11]. Page 1`
2			`--------------------------------- HELLO.ASM ----------------------------------`
3
4			`-------------------------------- Symbol Table --------------------------------`
5
6			`Symbol Value Decimal`
7
8	66	motilito	`ccand : $0064 100`
9			`ccasl : $00d4 212`
10			`ccasr : $00c6 198`
11			`ccbcneg : $0157 343`
12			`cccmp : $0091 145`
13			`cccmpbcde : $0167 359`
14			`cccmp1 : $009e 158`
15			`cccom : $00e7 231`
16			`ccdeneg : $014f 335`
17			`ccdiv : $010e 270`
18			`ccdiv1 : $0124 292`
19			`ccdiv2 : $013b 315`
20			`ccdiv3 : $0144 324`
21			`cceq : $006b 107`
22			`ccgchar : $0042 66`
23			`ccge : $0085 133`
24			`ccgint : $0048 72`
25			`ccgt : $0077 119`
26			`ccle : $007e 126`
27			`cclt : $008b 139`
28			`ccmult : $00ee 238`
29			`ccmult1 : $00f3 243`
30			`ccne : $0071 113`
31			`ccneg : $00e2 226`
32			`ccor : $0056 86`
33			`ccpchar : $004d 77`
34			`ccpint : $0050 80`
35			`ccrdel : $015f 351`
36			`ccsub : $00db 219`
37			`ccsxt : $0043 67`
38			`ccucmp : $00bb 187`
39			`ccuge : $00a1 161`
40			`ccugt : $00ad 173`
41			`ccule : $00b4 180`
42			`ccult : $00a7 167`
43			`ccxor : $005d 93`
44			`cc1 : $03d0 976`
45			`cc10 : $02bb 699`
46			`cc11 : $0310 784`
47			`cc12 : $0322 802`
48			`cc13 : $03b1 945`
49			`cc14 : $03cf 975`
50			`cc15 : $03cc 972`
51			`cc2 : $016c 364`
52			`cc3 : $0181 385`
53			`cc4 : $01ae 430`
54			`cc5 : $01b2 434`
55			`cc6 : $01c4 452`
56			`cc7 : $01f4 500`
57			`cc8 : $0224 548`
58			`cc9 : $0262 610`
59			`__getbyte : $018c 396`
60			`__int0_isr : $0324 804`
61			`__main : $0330 816`
62			`__nl : $01b3 435`
63			`__outint : $0231 561`
64			`__printdec : $01f5 501`
65			`__printhex : $028a 650`
66	65	motilito	`AS80 Assembler for i8080-Z180 [1.11]. Page 2`
67			`--------------------------------- HELLO.ASM ----------------------------------`
68
69	66	motilito	`__printstr : $01c4 452`
70			`__rxbyte : $042c 1068`
71			`__sendbyte : $016c 364`
72			`__tstary : $042d 1069`
73	65	motilito	`__8080__ : $0001 1`
74
75	66	motilito	`63 labels used`
76	65	motilito
77	67	motilito	`919 lines read, no errors in pass 1.`
78	65	motilito	`AS80 Assembler for i8080-Z180 [1.11]. Page 3`
79			`--------------------------------- HELLO.ASM ----------------------------------`
80
81			`; <><><> Small-C V1.2 DOS--CP/M Cross Compiler <`
82			`; <><><><><> CP/M Large String Space Version <><><`
83			`; <><><><><><><><><><> By Ron Cain <><><><><><><><`
84			`;`
85			`code`
86			`0000 = org #0000`
87			`0000 : 21000c ld hl,3072`
88			`0003 : f9 ld sp,hl`
89	66	motilito	`0004 : cd3003 call __main`
90	65	motilito	`;//---------------------------------------------------`
91			`;// Project: light8080 SOC WiCores Solutions`
92			`;//`
93			`;// File name: hello.c (February 04, 2012)`
94			`;//`
95			`;// Writer: Moti Litochevski`
96			`;//`
97			`;// Description:`
98			`;// This file contains a simple program written in Sm`
99			`;// the UART and then switches to echo received bytes`
100	66	motilito	`;// This example also include a simple interrupt exam`
101			`;// verilog testbench. the testbench`
102	65	motilito	`;//`
103			`;// Revision History:`
104			`;//`
105			`;// Rev`
106			`;//`
107			`;//---------------------------------------------------`
108	66	motilito	`;// define interrupt vectors`
109			`;// note that this file must be edited to enable inter`
110			`;#include intr_vec.h`
111			`;//---------------------------------------------------`
112			`;// Project: light8080 SOC WiCores Solutions`
113			`;//`
114			`;// File name: intr_vec.h (March 03, 2012)`
115			`;//`
116			`;// Writer: Moti Litochevski`
117			`;//`
118			`;// Description:`
119			`;// This file contains a simple example of calling in`
120			`;// file defines the interrupt vector for external in`
121			`;// 0x0008. the interrupts vectors addresses are set`
122			`;// controller "intr_ctrl.v" file.`
123			`;// Code is generated for all 4 supported external in`
124			`;// are not called.`
125			`;// On execution of an interrupt the CPU will automat`
126			`;// enable flag set by the EI instruction. the interr`
127			`;// enable the interrupts again after interrupt servi`
128			`;// nested interrupts just move the EI instruction to`
129			`;// call instruction to the service routine (see comm`
130			`;// Note that this code is not optimized in any way.`
131			`;// verify the interrupt mechanism of the light8080 C`
132			`;//`
133			`;// Revision History:`
134			`;//`
135			`;// Rev`
136			`;//`
137			`;//---------------------------------------------------`
138			`;// to support interrupt enable the respective interru`
139			`;// beginning of the output assembly file. only the in`
140			`;// should call a valid interrupt service routine name`
141			`;// C function name should be prefixed by "__".`
142			`;#asm`
143			`AS80 Assembler for i8080-Z180 [1.11]. Page 4`
144			`--------------------------------- HELLO.ASM ----------------------------------`
145
146			`;Preserve space for interrupt routines`
147			`;interrupt 0 vector`
148			`0008 = org #0008`
149			`0008 : f5 push af`
150			`0009 : c5 push bc`
151			`000a : d5 push de`
152			`000b : e5 push hl`
153			`; ei ; to enable nested interrupts uncomment this`
154			`000c : cd2403 call __int0_isr`
155			`000f : e1 pop hl`
156			`0010 : d1 pop de`
157			`0011 : c1 pop bc`
158			`0012 : f1 pop af`
159			`0013 : fb ei ; interrupt are not enabled during the execut`
160			`0014 : c9 ret`
161			`;interrupt 1 vector`
162			`0018 = org #0018`
163			`0018 : f5 push af`
164			`0019 : c5 push bc`
165			`001a : d5 push de`
166			`001b : e5 push hl`
167			`; call __int1_isr ; interrupt not used`
168			`001c : e1 pop hl`
169			`001d : d1 pop de`
170			`001e : c1 pop bc`
171			`001f : f1 pop af`
172			`0020 : fb ei`
173			`0021 : c9 ret`
174			`;interrupt 2 vector`
175			`0028 = org #0028`
176			`0028 : f5 push af`
177			`0029 : c5 push bc`
178			`002a : d5 push de`
179			`002b : e5 push hl`
180			`; call __int2_isr ; interrupt not used`
181			`002c : e1 pop hl`
182			`002d : d1 pop de`
183			`002e : c1 pop bc`
184			`002f : f1 pop af`
185			`0030 : fb ei`
186			`0031 : c9 ret`
187			`;interrupt 3 vector`
188			`0038 = org #0038`
189			`0038 : f5 push af`
190			`0039 : c5 push bc`
191			`003a : d5 push de`
192			`003b : e5 push hl`
193			`; call __int3_isr ; interrupt not used`
194			`003c : e1 pop hl`
195			`003d : d1 pop de`
196			`003e : c1 pop bc`
197			`003f : f1 pop af`
198			`0040 : fb ei`
199			`0041 : c9 ret`
200			`;//---------------------------------------------------`
201			`;// Th.. Th.. Th.. Thats all folks !!!`
202			`;//---------------------------------------------------`
203			`;// insert c80 assmbly library to the output file`
204	65	motilito	`;#include ..\tools\c80\c80.lib`
205			`;#asm`
206			`;`
207			`;-----------------------------------------------------`
208	66	motilito	`AS80 Assembler for i8080-Z180 [1.11]. Page 5`
209			`--------------------------------- HELLO.ASM ----------------------------------`
210
211	65	motilito	`; Small-C Run-time Librray`
212			`;`
213			`; V4d As of July 16, 1980 (gtf)`
214			`; Added EXIT() function`
215			`;-----------------------------------------------------`
216			`;`
217			`;Fetch a single byte from the address in HL and sign e`
218	66	motilito	`0042 : ccgchar:`
219			`0042 : 7e ld a,(hl)`
220			`0043 : ccsxt:`
221			`0043 : 6f ld l,a`
222			`0044 : 07 rlca`
223			`0045 : 9f sbc a`
224			`0046 : 67 ld h,a`
225			`0047 : c9 ret`
226	65	motilito	`;Fetch a full 16-bit integer from the address in HL`
227	66	motilito	`0048 : ccgint:`
228			`0048 : 7e ld a,(hl)`
229			`0049 : 23 inc hl`
230			`004a : 66 ld h,(hl)`
231			`004b : 6f ld l,a`
232			`004c : c9 ret`
233	65	motilito	`;Store a single byte from HL at the address in DE`
234	66	motilito	`004d : ccpchar:`
235			`004d : 7d ld a,l`
236			`004e : 12 ld (de),a`
237			`004f : c9 ret`
238	65	motilito	`;Store a 16-bit integer in HL at the address in DE`
239	66	motilito	`0050 : ccpint:`
240			`0050 : 7d ld a,l`
241			`0051 : 12 ld (de),a`
242			`0052 : 13 inc de`
243			`0053 : 7c ld a,h`
244			`0054 : 12 ld (de),a`
245			`0055 : c9 ret`
246	65	motilito	`;Inclusive "or" HL and DE into HL`
247	66	motilito	`0056 : ccor:`
248			`0056 : 7d ld a,l`
249			`0057 : b3 or e`
250			`0058 : 6f ld l,a`
251			`0059 : 7c ld a,h`
252			`005a : b2 or d`
253			`005b : 67 ld h,a`
254			`005c : c9 ret`
255	65	motilito	`;Exclusive "or" HL and DE into HL`
256	66	motilito	`005d : ccxor:`
257			`005d : 7d ld a,l`
258			`005e : ab xor e`
259			`005f : 6f ld l,a`
260			`0060 : 7c ld a,h`
261			`0061 : aa xor d`
262			`0062 : 67 ld h,a`
263			`0063 : c9 ret`
264	65	motilito	`;"And" HL and DE into HL`
265	66	motilito	`0064 : ccand:`
266			`0064 : 7d ld a,l`
267			`0065 : a3 and e`
268			`0066 : 6f ld l,a`
269			`0067 : 7c ld a,h`
270			`0068 : a2 and d`
271			`0069 : 67 ld h,a`
272			`006a : c9 ret`
273			`AS80 Assembler for i8080-Z180 [1.11]. Page 6`
274			`--------------------------------- HELLO.ASM ----------------------------------`
275
276	65	motilito	`;Test if HL = DE and set HL = 1 if true else 0`
277	66	motilito	`006b : cceq:`
278			`006b : cd9100 call cccmp`
279			`006e : c8 ret z`
280			`006f : 2b dec hl`
281			`0070 : c9 ret`
282	65	motilito	`;Test if DE ~= HL`
283	66	motilito	`0071 : ccne:`
284			`0071 : cd9100 call cccmp`
285			`0074 : c0 ret nz`
286			`0075 : 2b dec hl`
287			`0076 : c9 ret`
288	65	motilito	`;Test if DE > HL (signed)`
289	66	motilito	`0077 : ccgt:`
290			`0077 : eb ex de,hl`
291			`0078 : cd9100 call cccmp`
292			`007b : d8 ret c`
293			`007c : 2b dec hl`
294			`007d : c9 ret`
295	65	motilito	`;Test if DE <= HL (signed)`
296	66	motilito	`007e : ccle:`
297			`007e : cd9100 call cccmp`
298			`0081 : c8 ret z`
299			`0082 : d8 ret c`
300			`0083 : 2b dec hl`
301			`0084 : c9 ret`
302	65	motilito	`;Test if DE >= HL (signed)`
303	66	motilito	`0085 : ccge:`
304			`0085 : cd9100 call cccmp`
305			`0088 : d0 ret nc`
306			`0089 : 2b dec hl`
307			`008a : c9 ret`
308	65	motilito	`;Test if DE < HL (signed)`
309	66	motilito	`008b : cclt:`
310			`008b : cd9100 call cccmp`
311			`008e : d8 ret c`
312			`008f : 2b dec hl`
313			`0090 : c9 ret`
314	65	motilito	`; Signed compare of DE and HL`
315			`; Performs DE - HL and sets the conditions:`
316			`; Carry reflects sign of difference (set means DE < HL`
317			`; Zero/non-zero set according to equality.`
318	66	motilito	`0091 : cccmp:`
319			`0091 : 7b ld a,e`
320			`0092 : 95 sub l`
321			`0093 : 5f ld e,a`
322			`0094 : 7a ld a,d`
323			`0095 : 9c sbc h`
324			`0096 : 210100 ld hl,1`
325			`0099 : fa9e00 jp m,cccmp1`
326			`009c : b3 or e ;"OR" resets carry`
327			`009d : c9 ret`
328			`009e : cccmp1:`
329			`009e : b3 or e`
330			`009f : 37 scf ;set carry to signal minus`
331			`00a0 : c9 ret`
332	65	motilito	`;Test if DE >= HL (unsigned)`
333	66	motilito	`00a1 : ccuge:`
334			`00a1 : cdbb00 call ccucmp`
335			`00a4 : d0 ret nc`
336			`00a5 : 2b dec hl`
337			`00a6 : c9 ret`
338			`AS80 Assembler for i8080-Z180 [1.11]. Page 7`
339			`--------------------------------- HELLO.ASM ----------------------------------`
340
341	65	motilito	`;Test if DE < HL (unsigned)`
342	66	motilito	`00a7 : ccult:`
343			`00a7 : cdbb00 call ccucmp`
344			`00aa : d8 ret c`
345			`00ab : 2b dec hl`
346			`00ac : c9 ret`
347	65	motilito	`;Test if DE > HL (unsigned)`
348	66	motilito	`00ad : ccugt:`
349			`00ad : eb ex de,hl`
350			`00ae : cdbb00 call ccucmp`
351			`00b1 : d8 ret c`
352			`00b2 : 2b dec hl`
353			`00b3 : c9 ret`
354	65	motilito	`;Test if DE <= HL (unsigned)`
355	66	motilito	`00b4 : ccule:`
356			`00b4 : cdbb00 call ccucmp`
357			`00b7 : c8 ret z`
358			`00b8 : d8 ret c`
359			`00b9 : 2b dec hl`
360			`00ba : c9 ret`
361	65	motilito	`;Routine to perform unsigned compare`
362			`;carry set if DE < HL`
363			`;zero/nonzero set accordingly`
364	66	motilito	`00bb : ccucmp:`
365			`00bb : 7a ld a,d`
366			`00bc : bc cp h`
367			`00bd : c2c200 jp nz,$+5`
368			`00c0 : 7b ld a,e`
369			`00c1 : bd cp l`
370			`00c2 : 210100 ld hl,1`
371			`00c5 : c9 ret`
372	65	motilito	`;Shift DE arithmetically right by HL and return in HL`
373	66	motilito	`00c6 : ccasr:`
374			`00c6 : eb ex de,hl`
375			`00c7 : 7c ld a,h`
376			`00c8 : 17 rla`
377			`00c9 : 7c ld a,h`
378			`00ca : 1f rra`
379			`00cb : 67 ld h,a`
380			`00cc : 7d ld a,l`
381			`00cd : 1f rra`
382			`00ce : 6f ld l,a`
383			`00cf : 1d dec e`
384			`00d0 : c2c700 jp nz,ccasr+1`
385			`00d3 : c9 ret`
386	65	motilito	`;Shift DE arithmetically left by HL and return in HL`
387	66	motilito	`00d4 : ccasl:`
388			`00d4 : eb ex de,hl`
389			`00d5 : 29 add hl,hl`
390			`00d6 : 1d dec e`
391			`00d7 : c2d500 jp nz,ccasl+1`
392			`00da : c9 ret`
393	65	motilito	`;Subtract HL from DE and return in HL`
394	66	motilito	`00db : ccsub:`
395			`00db : 7b ld a,e`
396			`00dc : 95 sub l`
397			`00dd : 6f ld l,a`
398			`00de : 7a ld a,d`
399			`00df : 9c sbc h`
400			`00e0 : 67 ld h,a`
401			`00e1 : c9 ret`
402	65	motilito	`;Form the two's complement of HL`
403	66	motilito	`AS80 Assembler for i8080-Z180 [1.11]. Page 8`
404			`--------------------------------- HELLO.ASM ----------------------------------`
405
406			`00e2 : ccneg:`
407			`00e2 : cde700 call cccom`
408			`00e5 : 23 inc hl`
409			`00e6 : c9 ret`
410	65	motilito	`;Form the one's complement of HL`
411	66	motilito	`00e7 : cccom:`
412			`00e7 : 7c ld a,h`
413			`00e8 : 2f cpl`
414			`00e9 : 67 ld h,a`
415			`00ea : 7d ld a,l`
416			`00eb : 2f cpl`
417			`00ec : 6f ld l,a`
418			`00ed : c9 ret`
419	65	motilito	`;Multiply DE by HL and return in HL`
420	66	motilito	`00ee : ccmult:`
421			`00ee : 44 ld b,h`
422			`00ef : 4d ld c,l`
423			`00f0 : 210000 ld hl,0`
424			`00f3 : ccmult1:`
425			`00f3 : 79 ld a,c`
426			`00f4 : 0f rrca`
427			`00f5 : d2f900 jp nc,$+4`
428			`00f8 : 19 add hl,de`
429			`00f9 : af xor a`
430			`00fa : 78 ld a,b`
431			`00fb : 1f rra`
432			`00fc : 47 ld b,a`
433			`00fd : 79 ld a,c`
434			`00fe : 1f rra`
435			`00ff : 4f ld c,a`
436			`0100 : b0 or b`
437			`0101 : c8 ret z`
438			`0102 : af xor a`
439			`0103 : 7b ld a,e`
440			`0104 : 17 rla`
441			`0105 : 5f ld e,a`
442			`0106 : 7a ld a,d`
443			`0107 : 17 rla`
444			`0108 : 57 ld d,a`
445			`0109 : b3 or e`
446			`010a : c8 ret z`
447			`010b : c3f300 jp ccmult1`
448	65	motilito	`;Divide DE by HL and return quotient in HL, remainder`
449	66	motilito	`010e : ccdiv:`
450			`010e : 44 ld b,h`
451			`010f : 4d ld c,l`
452			`0110 : 7a ld a,d`
453			`0111 : a8 xor b`
454			`0112 : f5 push af`
455			`0113 : 7a ld a,d`
456			`0114 : b7 or a`
457			`0115 : fc4f01 call m,ccdeneg`
458			`0118 : 78 ld a,b`
459			`0119 : b7 or a`
460			`011a : fc5701 call m,ccbcneg`
461			`011d : 3e10 ld a,16`
462			`011f : f5 push af`
463			`0120 : eb ex de,hl`
464			`0121 : 110000 ld de,0`
465			`0124 : ccdiv1:`
466			`0124 : 29 add hl,hl`
467			`0125 : cd5f01 call ccrdel`
468			`AS80 Assembler for i8080-Z180 [1.11]. Page 9`
469	65	motilito	`--------------------------------- HELLO.ASM ----------------------------------`
470
471	66	motilito	`0128 : ca3b01 jp z,ccdiv2`
472			`012b : cd6701 call cccmpbcde`
473			`012e : fa3b01 jp m,ccdiv2`
474			`0131 : 7d ld a,l`
475			`0132 : f601 or 1`
476			`0134 : 6f ld l,a`
477			`0135 : 7b ld a,e`
478			`0136 : 91 sub c`
479			`0137 : 5f ld e,a`
480			`0138 : 7a ld a,d`
481			`0139 : 98 sbc b`
482			`013a : 57 ld d,a`
483			`013b : ccdiv2:`
484			`013b : f1 pop af`
485			`013c : 3d dec a`
486			`013d : ca4401 jp z,ccdiv3`
487			`0140 : f5 push af`
488			`0141 : c32401 jp ccdiv1`
489			`0144 : ccdiv3:`
490			`0144 : f1 pop af`
491			`0145 : f0 ret p`
492			`0146 : cd4f01 call ccdeneg`
493			`0149 : eb ex de,hl`
494			`014a : cd4f01 call ccdeneg`
495			`014d : eb ex de,hl`
496			`014e : c9 ret`
497			`014f : ccdeneg:`
498			`014f : 7a ld a,d`
499			`0150 : 2f cpl`
500			`0151 : 57 ld d,a`
501			`0152 : 7b ld a,e`
502			`0153 : 2f cpl`
503			`0154 : 5f ld e,a`
504			`0155 : 13 inc de`
505			`0156 : c9 ret`
506			`0157 : ccbcneg:`
507			`0157 : 78 ld a,b`
508			`0158 : 2f cpl`
509			`0159 : 47 ld b,a`
510			`015a : 79 ld a,c`
511			`015b : 2f cpl`
512			`015c : 4f ld c,a`
513			`015d : 03 inc bc`
514			`015e : c9 ret`
515			`015f : ccrdel:`
516			`015f : 7b ld a,e`
517			`0160 : 17 rla`
518			`0161 : 5f ld e,a`
519			`0162 : 7a ld a,d`
520			`0163 : 17 rla`
521			`0164 : 57 ld d,a`
522			`0165 : b3 or e`
523			`0166 : c9 ret`
524			`0167 : cccmpbcde:`
525			`0167 : 7b ld a,e`
526			`0168 : 91 sub c`
527			`0169 : 7a ld a,d`
528			`016a : 98 sbc b`
529			`016b : c9 ret`
530	65	motilito	`;// UART IO registers`
531			`;port (128) UDATA; // uart data register used for bot`
532			`;port (129) UBAUDL; // low byte of baud rate register`
533	66	motilito	`AS80 Assembler for i8080-Z180 [1.11]. Page 10`
534			`--------------------------------- HELLO.ASM ----------------------------------`
535
536	65	motilito	`;port (130) UBAUDH; // low byte of baud rate register`
537			`;port (131) USTAT; // uart status register`
538			`;// digital IO ports registers`
539	66	motilito	`;port (132) P1DATA; // port 1 data register`
540			`;port (133) P1DIR; // port 1 direction register contr`
541			`;port (134) P2DATA; // port 2 data register`
542			`;port (135) P2DIR; // port 2 direction register contr`
543			`;// interrupt controller register`
544			`;port (136) INTRENA; // interrupts enable register`
545	65	motilito	`;// simulation end register`
546			`;// writing any value to this port will end the verilo`
547			`;// test bench.`
548			`;port (255) SIMEND;`
549			`;// registers bit fields definition`
550			`;// uart status register decoding`
551			`;#define UTXBUSY 1`
552			`;#define URXFULL 16`
553			`;// globals`
554			`;char rxbyte; // byte received from the uart`
555			`;int tstary[2] = {1234, 5678};`
556			`;//---------------------------------------------------`
557			`;// send a single byte to the UART`
558			`;sendbyte(by)`
559	66	motilito	`016c : __sendbyte:`
560	65	motilito	`;char by;`
561			`;{`
562			`; while (USTAT & UTXBUSY);`
563	66	motilito	`016c : cc2:`
564			`016c : db83 in a,(131)`
565			`016e : cd4300 call ccsxt`
566			`0171 : e5 push hl`
567			`0172 : 210100 ld hl,1`
568			`0175 : d1 pop de`
569			`0176 : cd6400 call ccand`
570			`0179 : 7c ld a,h`
571			`017a : b5 or l`
572			`017b : ca8101 jp z,cc3`
573			`017e : c36c01 jp cc2`
574			`0181 : cc3:`
575	65	motilito	`; UDATA = by;`
576	66	motilito	`0181 : 210200 ld hl,2`
577			`0184 : 39 add hl,sp`
578			`0185 : cd4200 call ccgchar`
579			`0188 : 7d ld a,l`
580			`0189 : d380 out (128),a`
581	65	motilito
582			`;}`
583	66	motilito	`018b : c9 ret`
584	65	motilito	`;// check if a byte was received by the uart`
585			`;getbyte()`
586	66	motilito	`018c : __getbyte:`
587	65	motilito	`;{`
588			`; if (USTAT & URXFULL) {`
589	66	motilito	`018c : db83 in a,(131)`
590			`018e : cd4300 call ccsxt`
591			`0191 : e5 push hl`
592			`0192 : 211000 ld hl,16`
593			`0195 : d1 pop de`
594			`0196 : cd6400 call ccand`
595			`0199 : 7c ld a,h`
596			`019a : b5 or l`
597			`019b : caae01 jp z,cc4`
598			`AS80 Assembler for i8080-Z180 [1.11]. Page 11`
599			`--------------------------------- HELLO.ASM ----------------------------------`
600
601	65	motilito	`; rxbyte = UDATA;`
602	66	motilito	`019e : db80 in a,(128)`
603			`01a0 : cd4300 call ccsxt`
604			`01a3 : 7d ld a,l`
605			`01a4 : 322c04 ld (__rxbyte),a`
606	65	motilito	`; return 1;`
607	66	motilito	`01a7 : 210100 ld hl,1`
608			`01aa : c9 ret`
609	65	motilito	`; }`
610			`; else`
611	66	motilito	`01ab : c3b201 jp cc5`
612			`01ae : cc4:`
613	65	motilito	`; return 0;`
614	66	motilito	`01ae : 210000 ld hl,0`
615			`01b1 : c9 ret`
616			`01b2 : cc5:`
617	65	motilito	`;}`
618	66	motilito	`01b2 : c9 ret`
619	65	motilito	`;// send new line to the UART`
620			`;nl()`
621	66	motilito	`01b3 : __nl:`
622	65	motilito	`;{`
623			`; sendbyte(13);`
624	66	motilito	`01b3 : 210d00 ld hl,13`
625			`01b6 : e5 push hl`
626			`01b7 : cd6c01 call __sendbyte`
627			`01ba : c1 pop bc`
628	65	motilito	`; sendbyte(10);`
629	66	motilito	`01bb : 210a00 ld hl,10`
630			`01be : e5 push hl`
631			`01bf : cd6c01 call __sendbyte`
632			`01c2 : c1 pop bc`
633	65	motilito	`;}`
634	66	motilito	`01c3 : c9 ret`
635	65	motilito	`;// sends a string to the UART`
636			`;printstr(sptr)`
637	66	motilito	`01c4 : __printstr:`
638	65	motilito	`;char *sptr;`
639			`;{`
640			`; while (*sptr != 0)`
641	66	motilito	`01c4 : cc6:`
642			`01c4 : 210200 ld hl,2`
643			`01c7 : 39 add hl,sp`
644			`01c8 : cd4800 call ccgint`
645			`01cb : cd4200 call ccgchar`
646			`01ce : e5 push hl`
647			`01cf : 210000 ld hl,0`
648			`01d2 : d1 pop de`
649			`01d3 : cd7100 call ccne`
650			`01d6 : 7c ld a,h`
651			`01d7 : b5 or l`
652			`01d8 : caf401 jp z,cc7`
653	65	motilito	`; sendbyte(*sptr++);`
654	66	motilito	`01db : 210200 ld hl,2`
655			`01de : 39 add hl,sp`
656			`01df : e5 push hl`
657			`01e0 : cd4800 call ccgint`
658			`01e3 : 23 inc hl`
659			`01e4 : d1 pop de`
660			`01e5 : cd5000 call ccpint`
661			`01e8 : 2b dec hl`
662			`01e9 : cd4200 call ccgchar`
663			`AS80 Assembler for i8080-Z180 [1.11]. Page 12`
664			`--------------------------------- HELLO.ASM ----------------------------------`
665
666			`01ec : e5 push hl`
667			`01ed : cd6c01 call __sendbyte`
668			`01f0 : c1 pop bc`
669			`01f1 : c3c401 jp cc6`
670			`01f4 : cc7:`
671	65	motilito	`;}`
672	66	motilito	`01f4 : c9 ret`
673	65	motilito	`;// sends a decimal value to the UART`
674			`;printdec(dval)`
675	66	motilito	`01f5 : __printdec:`
676	65	motilito	`;int dval;`
677			`;{`
678			`; if (dval<0) {`
679	66	motilito	`01f5 : 210200 ld hl,2`
680			`01f8 : 39 add hl,sp`
681			`01f9 : cd4800 call ccgint`
682			`01fc : e5 push hl`
683			`01fd : 210000 ld hl,0`
684			`0200 : d1 pop de`
685			`0201 : cd8b00 call cclt`
686			`0204 : 7c ld a,h`
687			`0205 : b5 or l`
688			`0206 : ca2402 jp z,cc8`
689	65	motilito	`; sendbyte('-');`
690	66	motilito	`0209 : 212d00 ld hl,45`
691			`020c : e5 push hl`
692			`020d : cd6c01 call __sendbyte`
693			`0210 : c1 pop bc`
694	65	motilito	`; dval = -dval;`
695	66	motilito	`0211 : 210200 ld hl,2`
696			`0214 : 39 add hl,sp`
697			`0215 : e5 push hl`
698			`0216 : 210400 ld hl,4`
699			`0219 : 39 add hl,sp`
700			`021a : cd4800 call ccgint`
701			`021d : cde200 call ccneg`
702			`0220 : d1 pop de`
703			`0221 : cd5000 call ccpint`
704	65	motilito	`; }`
705			`; outint(dval);`
706	66	motilito	`0224 : cc8:`
707			`0224 : 210200 ld hl,2`
708			`0227 : 39 add hl,sp`
709			`0228 : cd4800 call ccgint`
710			`022b : e5 push hl`
711			`022c : cd3102 call __outint`
712			`022f : c1 pop bc`
713	65	motilito	`;}`
714	66	motilito	`0230 : c9 ret`
715	65	motilito	`;// function copied from c80dos.c`
716			`;outint(n)`
717	66	motilito	`0231 : __outint:`
718	65	motilito	`;int n;`
719			`;{`
720			`;int q;`
721	66	motilito	`0231 : c5 push bc`
722	65	motilito	`; q = n/10;`
723	66	motilito	`0232 : 210000 ld hl,0`
724			`0235 : 39 add hl,sp`
725			`0236 : e5 push hl`
726			`0237 : 210600 ld hl,6`
727			`023a : 39 add hl,sp`
728			`AS80 Assembler for i8080-Z180 [1.11]. Page 13`
729			`--------------------------------- HELLO.ASM ----------------------------------`
730
731			`023b : cd4800 call ccgint`
732			`023e : e5 push hl`
733			`023f : 210a00 ld hl,10`
734			`0242 : d1 pop de`
735			`0243 : cd0e01 call ccdiv`
736			`0246 : d1 pop de`
737			`0247 : cd5000 call ccpint`
738	65	motilito	`; if (q) outint(q);`
739	66	motilito	`024a : 210000 ld hl,0`
740			`024d : 39 add hl,sp`
741			`024e : cd4800 call ccgint`
742			`0251 : 7c ld a,h`
743			`0252 : b5 or l`
744			`0253 : ca6202 jp z,cc9`
745			`0256 : 210000 ld hl,0`
746			`0259 : 39 add hl,sp`
747			`025a : cd4800 call ccgint`
748			`025d : e5 push hl`
749			`025e : cd3102 call __outint`
750			`0261 : c1 pop bc`
751	65	motilito	`; sendbyte('0'+(n-q*10));`
752	66	motilito	`0262 : cc9:`
753			`0262 : 213000 ld hl,48`
754			`0265 : e5 push hl`
755			`0266 : 210600 ld hl,6`
756			`0269 : 39 add hl,sp`
757			`026a : cd4800 call ccgint`
758			`026d : e5 push hl`
759			`026e : 210400 ld hl,4`
760			`0271 : 39 add hl,sp`
761			`0272 : cd4800 call ccgint`
762			`0275 : e5 push hl`
763			`0276 : 210a00 ld hl,10`
764			`0279 : d1 pop de`
765			`027a : cdee00 call ccmult`
766			`027d : d1 pop de`
767			`027e : cddb00 call ccsub`
768			`0281 : d1 pop de`
769			`0282 : 19 add hl,de`
770			`0283 : e5 push hl`
771			`0284 : cd6c01 call __sendbyte`
772			`0287 : c1 pop bc`
773	65	motilito	`;}`
774	66	motilito	`0288 : c1 pop bc`
775			`0289 : c9 ret`
776	65	motilito	`;// sends a hexadecimal value to the UART`
777			`;printhex(hval)`
778	66	motilito	`028a : __printhex:`
779	65	motilito	`;int hval;`
780			`;{`
781			`;int q;`
782	66	motilito	`028a : c5 push bc`
783	65	motilito	`; q = hval/16;`
784	66	motilito	`028b : 210000 ld hl,0`
785			`028e : 39 add hl,sp`
786			`028f : e5 push hl`
787			`0290 : 210600 ld hl,6`
788			`0293 : 39 add hl,sp`
789			`0294 : cd4800 call ccgint`
790			`0297 : e5 push hl`
791			`0298 : 211000 ld hl,16`
792			`029b : d1 pop de`
793			`AS80 Assembler for i8080-Z180 [1.11]. Page 14`
794			`--------------------------------- HELLO.ASM ----------------------------------`
795
796			`029c : cd0e01 call ccdiv`
797			`029f : d1 pop de`
798			`02a0 : cd5000 call ccpint`
799	65	motilito	`; if (q) printhex(q);`
800	66	motilito	`02a3 : 210000 ld hl,0`
801			`02a6 : 39 add hl,sp`
802			`02a7 : cd4800 call ccgint`
803			`02aa : 7c ld a,h`
804			`02ab : b5 or l`
805			`02ac : cabb02 jp z,cc10`
806			`02af : 210000 ld hl,0`
807			`02b2 : 39 add hl,sp`
808			`02b3 : cd4800 call ccgint`
809			`02b6 : e5 push hl`
810			`02b7 : cd8a02 call __printhex`
811			`02ba : c1 pop bc`
812	65	motilito	`; q = hval-q*16;`
813	66	motilito	`02bb : cc10:`
814			`02bb : 210000 ld hl,0`
815			`02be : 39 add hl,sp`
816			`02bf : e5 push hl`
817			`02c0 : 210600 ld hl,6`
818			`02c3 : 39 add hl,sp`
819			`02c4 : cd4800 call ccgint`
820			`02c7 : e5 push hl`
821			`02c8 : 210400 ld hl,4`
822			`02cb : 39 add hl,sp`
823			`02cc : cd4800 call ccgint`
824			`02cf : e5 push hl`
825			`02d0 : 211000 ld hl,16`
826			`02d3 : d1 pop de`
827			`02d4 : cdee00 call ccmult`
828			`02d7 : d1 pop de`
829			`02d8 : cddb00 call ccsub`
830			`02db : d1 pop de`
831			`02dc : cd5000 call ccpint`
832			`; if (q > 9)`
833			`02df : 210000 ld hl,0`
834			`02e2 : 39 add hl,sp`
835			`02e3 : cd4800 call ccgint`
836			`02e6 : e5 push hl`
837			`02e7 : 210900 ld hl,9`
838			`02ea : d1 pop de`
839			`02eb : cd7700 call ccgt`
840			`02ee : 7c ld a,h`
841			`02ef : b5 or l`
842			`02f0 : ca1003 jp z,cc11`
843			`; sendbyte('A'+q-10);`
844			`02f3 : 214100 ld hl,65`
845			`02f6 : e5 push hl`
846			`02f7 : 210200 ld hl,2`
847			`02fa : 39 add hl,sp`
848			`02fb : cd4800 call ccgint`
849			`02fe : d1 pop de`
850			`02ff : 19 add hl,de`
851			`0300 : e5 push hl`
852			`0301 : 210a00 ld hl,10`
853			`0304 : d1 pop de`
854			`0305 : cddb00 call ccsub`
855			`0308 : e5 push hl`
856			`0309 : cd6c01 call __sendbyte`
857			`030c : c1 pop bc`
858			`AS80 Assembler for i8080-Z180 [1.11]. Page 15`
859	65	motilito	`--------------------------------- HELLO.ASM ----------------------------------`
860
861			`; else`
862	66	motilito	`030d : c32203 jp cc12`
863			`0310 : cc11:`
864	65	motilito	`; sendbyte('0'+q);`
865	66	motilito	`0310 : 213000 ld hl,48`
866			`0313 : e5 push hl`
867			`0314 : 210200 ld hl,2`
868			`0317 : 39 add hl,sp`
869			`0318 : cd4800 call ccgint`
870			`031b : d1 pop de`
871			`031c : 19 add hl,de`
872			`031d : e5 push hl`
873			`031e : cd6c01 call __sendbyte`
874			`0321 : c1 pop bc`
875			`0322 : cc12:`
876	65	motilito	`;}`
877	66	motilito	`0322 : c1 pop bc`
878			`0323 : c9 ret`
879			`;// external interrupt 0 service routine`
880			`;int0_isr()`
881			`0324 : __int0_isr:`
882			`;{`
883			`; printstr("Interrupt 0 was asserted."); nl();`
884			`0324 : 21d003 ld hl,cc1+0`
885			`0327 : e5 push hl`
886			`0328 : cdc401 call __printstr`
887			`032b : c1 pop bc`
888			`032c : cdb301 call __nl`
889			`;}`
890			`032f : c9 ret`
891	65	motilito	`;// program main routine`
892			`;main()`
893	66	motilito	`0330 : __main:`
894	65	motilito	`;{`
895			`; // configure UART baud rate - set to 9600 for 30MHz`
896			`; // BAUD = round(//16) = round(30e6`
897	67	motilito	`; // Note: Usage of a minimum divider value of 1 will`
898			`; UBAUDL = 195;`
899			`0330 : 21c300 ld hl,195`
900	66	motilito	`0333 : 7d ld a,l`
901			`0334 : d381 out (129),a`
902	65	motilito
903			`; UBAUDH = 0;`
904	66	motilito	`0336 : 210000 ld hl,0`
905			`0339 : 7d ld a,l`
906			`033a : d382 out (130),a`
907	65	motilito
908	66	motilito	`; // configure both ports to output and digital output`
909			`; P1DATA = 0x00;`
910			`033c : 210000 ld hl,0`
911			`033f : 7d ld a,l`
912			`0340 : d384 out (132),a`
913
914			`; P1DIR = 0xff;`
915			`0342 : 21ff00 ld hl,255`
916			`0345 : 7d ld a,l`
917			`0346 : d385 out (133),a`
918
919			`; P2DATA = 0x00;`
920			`0348 : 210000 ld hl,0`
921			`034b : 7d ld a,l`
922			`034c : d386 out (134),a`
923	67	motilito	`AS80 Assembler for i8080-Z180 [1.11]. Page 16`
924			`--------------------------------- HELLO.ASM ----------------------------------`
925
926	66	motilito
927			`; P2DIR = 0xff;`
928			`034e : 21ff00 ld hl,255`
929			`0351 : 7d ld a,l`
930			`0352 : d387 out (135),a`
931
932			`; // enable interrupt 0 only`
933			`; INTRENA = 0x01;`
934			`0354 : 210100 ld hl,1`
935			`0357 : 7d ld a,l`
936			`0358 : d388 out (136),a`
937
938			`; // enable CPU interrupt`
939			`;#asm`
940			`035a : fb ei`
941			`; // print message`
942	65	motilito	`; printstr("Hello World!!!"); nl();`
943	66	motilito	`035b : 21ea03 ld hl,cc1+26`
944			`035e : e5 push hl`
945			`035f : cdc401 call __printstr`
946			`0362 : c1 pop bc`
947			`0363 : cdb301 call __nl`
948	65	motilito	`; printstr("Dec value: "); printdec(tstary[1]); nl();`
949	66	motilito	`0366 : 21f903 ld hl,cc1+41`
950			`0369 : e5 push hl`
951			`036a : cdc401 call __printstr`
952			`036d : c1 pop bc`
953			`036e : 212d04 ld hl,__tstary`
954			`0371 : e5 push hl`
955			`0372 : 210100 ld hl,1`
956			`0375 : 29 add hl,hl`
957			`0376 : d1 pop de`
958			`0377 : 19 add hl,de`
959			`0378 : cd4800 call ccgint`
960			`037b : e5 push hl`
961			`037c : cdf501 call __printdec`
962			`037f : c1 pop bc`
963			`0380 : cdb301 call __nl`
964	65	motilito	`; printstr("Hex value: 0x"); printhex(tstary[0]); nl()`
965	66	motilito	`0383 : 210504 ld hl,cc1+53`
966			`0386 : e5 push hl`
967			`0387 : cdc401 call __printstr`
968			`038a : c1 pop bc`
969			`038b : 212d04 ld hl,__tstary`
970			`038e : e5 push hl`
971			`038f : 210000 ld hl,0`
972			`0392 : 29 add hl,hl`
973			`0393 : d1 pop de`
974			`0394 : 19 add hl,de`
975			`0395 : cd4800 call ccgint`
976			`0398 : e5 push hl`
977			`0399 : cd8a02 call __printhex`
978			`039c : c1 pop bc`
979			`039d : cdb301 call __nl`
980			`; // assert bit 0 of port 1 to test external interrupt`
981			`; P1DATA = 0x01;`
982			`03a0 : 210100 ld hl,1`
983			`03a3 : 7d ld a,l`
984			`03a4 : d384 out (132),a`
985
986			`;`
987	65	motilito	`; printstr("Echoing received bytes: "); nl();`
988	67	motilito	`AS80 Assembler for i8080-Z180 [1.11]. Page 17`
989			`--------------------------------- HELLO.ASM ----------------------------------`
990
991	66	motilito	`03a6 : 211304 ld hl,cc1+67`
992			`03a9 : e5 push hl`
993			`03aa : cdc401 call __printstr`
994			`03ad : c1 pop bc`
995			`03ae : cdb301 call __nl`
996	65	motilito	`; // loop forever`
997			`; while (1) {`
998	66	motilito	`03b1 : cc13:`
999			`03b1 : 210100 ld hl,1`
1000			`03b4 : 7c ld a,h`
1001			`03b5 : b5 or l`
1002			`03b6 : cacf03 jp z,cc14`
1003	65	motilito	`; // check if a new byte was received`
1004			`; if (getbyte())`
1005	66	motilito	`03b9 : cd8c01 call __getbyte`
1006			`03bc : 7c ld a,h`
1007			`03bd : b5 or l`
1008			`03be : cacc03 jp z,cc15`
1009	65	motilito	`; // echo the received byte to the UART`
1010			`; sendbyte(rxbyte);`
1011	66	motilito	`03c1 : 3a2c04 ld a,(__rxbyte)`
1012			`03c4 : cd4300 call ccsxt`
1013			`03c7 : e5 push hl`
1014			`03c8 : cd6c01 call __sendbyte`
1015			`03cb : c1 pop bc`
1016	65	motilito	`; }`
1017	66	motilito	`03cc : cc15:`
1018			`03cc : c3b103 jp cc13`
1019			`03cf : cc14:`
1020	65	motilito	`;}`
1021	66	motilito	`03cf : c9 ret`
1022	65	motilito	`;//---------------------------------------------------`
1023			`;// Th.. Th.. Th.. Thats all folks !!!`
1024			`;//---------------------------------------------------`
1025	66	motilito	`03d0 : cc1:`
1026			`03d0 : 496e7465727275.. db 73,110,116,101,114,114,117,112,116,32`
1027			`03da : 30207761732061.. db 48,32,119,97,115,32,97,115,115,101`
1028			`03e4 : 727465642e0048.. db 114,116,101,100,46,0,72,101,108,108`
1029			`03ee : 6f20576f726c64.. db 111,32,87,111,114,108,100,33,33,33`
1030			`03f8 : 00446563207661.. db 0,68,101,99,32,118,97,108,117,101`
1031			`0402 : 3a200048657820.. db 58,32,0,72,101,120,32,118,97,108`
1032			`040c : 75653a20307800.. db 117,101,58,32,48,120,0,69,99,104`
1033			`0416 : 6f696e67207265.. db 111,105,110,103,32,114,101,99,101,105`
1034			`0420 : 76656420627974.. db 118,101,100,32,98,121,116,101,115,58`
1035			`042a : 2000 db 32,0`
1036			`042c : __rxbyte:`
1037			`042c : 00 ds 1`
1038			`042d : __tstary:`
1039			`042d : d2042e16 db -46,4,46,22`
1040	65	motilito
1041			`; --- End of Compilation ---`
1042			`No errors in pass 2.`

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