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99 gunterl 1 
   1               		.file	"twimaster.c"
2 
   2               		.arch atmega644p
3 
   3               	__SREG__ = 0x3f
4 
   4               	__SP_H__ = 0x3e
5 
   5               	__SP_L__ = 0x3d
6 
   6               	__tmp_reg__ = 0
7 
   7               	__zero_reg__ = 1
8 
   8               		.global __do_copy_data
9 
   9               		.global __do_clear_bss
10 
  10               		.text
11 
  11               	.global	i2c_init
12 
  13               	i2c_init:
13 
  14               	/* prologue: frame size=0 */
14 
  15               	/* prologue end (size=0) */
15 
  16 0000 1092 B900 		sts 185,__zero_reg__
16 
  17 0004 8AE2      		ldi r24,lo8(42)
17 
  18 0006 8093 B800 		sts 184,r24
18 
  19               	/* epilogue: frame size=0 */
19 
  20 000a 0895      		ret
20 
  21               	/* epilogue end (size=1) */
21 
  22               	/* function i2c_init size 6 (5) */
22 
  24               	.global	i2c_start
23 
  26               	i2c_start:
24 
  27               	/* prologue: frame size=0 */
25 
  28               	/* prologue end (size=0) */
26 
  29 000c 85EA      		ldi r24,lo8(-91)
27 
  30 000e 8093 BC00 		sts 188,r24
28 
  31 0012 80E0      		ldi r24,lo8(0)
29 
  32 0014 90E0      		ldi r25,hi8(0)
30 
  33               	/* epilogue: frame size=0 */
31 
  34 0016 0895      		ret
32 
  35               	/* epilogue end (size=1) */
33 
  36               	/* function i2c_start size 6 (5) */
34 
  38               	.global	i2c_stop
35 
  40               	i2c_stop:
36 
  41               	/* prologue: frame size=0 */
37 
  42               	/* prologue end (size=0) */
38 
  43 0018 84E9      		ldi r24,lo8(-108)
39 
  44 001a 8093 BC00 		sts 188,r24
40 
  45               	/* epilogue: frame size=0 */
41 
  46 001e 0895      		ret
42 
  47               	/* epilogue end (size=1) */
43 
  48               	/* function i2c_stop size 4 (3) */
44 
  50               	.global	i2c_write_byte
45 
  52               	i2c_write_byte:
46 
  53               	/* prologue: frame size=0 */
47 
  54               	/* prologue end (size=0) */
48 
  55 0020 1092 B900 		sts 185,__zero_reg__
49 
  56 0024 8093 BB00 		sts 187,r24
50 
  57 0028 85E8      		ldi r24,lo8(-123)
51 
  58 002a 8093 BC00 		sts 188,r24
52 
  59 002e 80E0      		ldi r24,lo8(0)
53 
  60 0030 90E0      		ldi r25,hi8(0)
54 
  61               	/* epilogue: frame size=0 */
55 
  62 0032 0895      		ret
56 
  63               	/* epilogue end (size=1) */
57 
  64               	/* function i2c_write_byte size 10 (9) */
58 
  66               	.global	__vector_26
59 
  68               	__vector_26:
60 
  69               	/* prologue: frame size=0 */
61 
  70 0034 1F92      		push __zero_reg__
62 
  71 0036 0F92      		push __tmp_reg__
63 
  72 0038 0FB6      		in __tmp_reg__,__SREG__
64 
  73 003a 0F92      		push __tmp_reg__
65 
  74 003c 1124      		clr __zero_reg__
66 
  75 003e 8F93      		push r24
67 
  76 0040 9F93      		push r25
68 
  77 0042 EF93      		push r30
69 
  78 0044 FF93      		push r31
70 
  79               	/* prologue end (size=9) */
71 
  80 0046 8091 0000 		lds r24,twi_state
72 
  81 004a 8F5F      		subi r24,lo8(-(1))
73 
  82 004c 8093 0000 		sts twi_state,r24
74 
  83 0050 8150      		subi r24,lo8(-(-1))
75 
  84 0052 8330      		cpi r24,lo8(3)
76 
  85 0054 01F0      		breq .L14
77 
  86 0056 8430      		cpi r24,lo8(4)
78 
  87 0058 00F4      		brsh .L19
79 
  88 005a 8130      		cpi r24,lo8(1)
80 
  89 005c 01F0      		breq .L12
81 
  90 005e 8230      		cpi r24,lo8(2)
82 
  91 0060 00F4      		brsh .L13
83 
  92 0062 00C0      		rjmp .L38
84 
  93               	.L19:
85 
  94 0064 8530      		cpi r24,lo8(5)
86 
  95 0066 01F0      		breq .L16
87 
  96 0068 8530      		cpi r24,lo8(5)
88 
  97 006a 00F0      		brlo .L17
89 
  98 006c 8630      		cpi r24,lo8(6)
90 
  99 006e 01F0      		breq .L17
91 
 100 0070 8730      		cpi r24,lo8(7)
92 
 101 0072 01F0      		breq .+2
93 
 102 0074 00C0      		rjmp .L10
94 
 103 0076 00C0      		rjmp .L18
95 
 104               	.L38:
96 
 105 0078 8091 0000 		lds r24,motor
97 
 106 007c 880F      		lsl r24
98 
 107 007e 8E5A      		subi r24,lo8(-(82))
99 
 108 0080 00C0      		rjmp .L39
100 
 109               	.L12:
101 
 110 0082 8091 0000 		lds r24,motor
102 
 111 0086 8F5F      		subi r24,lo8(-(1))
103 
 112 0088 8093 0000 		sts motor,r24
104 
 113 008c 8150      		subi r24,lo8(-(-1))
105 
 114 008e 00C0      		rjmp .L47
106 
 115               	.L20:
107 
 116 0090 8091 0000 		lds r24,Motor_Vorne
108 
 117               	.L39:
109 
 118 0094 1092 B900 		sts 185,__zero_reg__
110 
 119 0098 8093 BB00 		sts 187,r24
111 
 120 009c 85E8      		ldi r24,lo8(-123)
112 
 121               	.L40:
113 
 122 009e 8093 BC00 		sts 188,r24
114 
 123 00a2 00C0      		rjmp .L10
115 
 124               	.L13:
116 
 125 00a4 84E9      		ldi r24,lo8(-108)
117 
 126 00a6 8093 BC00 		sts 188,r24
118 
 127 00aa 8091 0000 		lds r24,motor
119 
 128 00ae 8430      		cpi r24,lo8(4)
120 
 129 00b0 00F4      		brsh .L24
121 
 130 00b2 1092 0000 		sts twi_state,__zero_reg__
122 
 131 00b6 00C0      		rjmp .L26
123 
 132               	.L24:
124 
 133 00b8 1092 0000 		sts motor,__zero_reg__
125 
 134               	.L26:
126 
 135 00bc 85EA      		ldi r24,lo8(-91)
127 
 136 00be 00C0      		rjmp .L40
128 
 137               	.L14:
129 
 138 00c0 8091 0000 		lds r24,motorread
130 
 139 00c4 880F      		lsl r24
131 
 140 00c6 8D5A      		subi r24,lo8(-(83))
132 
 141 00c8 00C0      		rjmp .L39
133 
 142               	.L16:
134 
 143 00ca 8091 BB00 		lds r24,187
135 
 144 00ce E091 0000 		lds r30,motorread
136 
 145 00d2 FF27      		clr r31
137 
 146 00d4 E050      		subi r30,lo8(-(motor_rx))
138 
 147 00d6 F040      		sbci r31,hi8(-(motor_rx))
139 
 148 00d8 8083      		st Z,r24
140 
 149               	.L17:
141 
 150 00da 8091 0000 		lds r24,motorread
142 
 151               	.L47:
143 
 152 00de 8130      		cpi r24,lo8(1)
144 
 153 00e0 01F0      		breq .L32
145 
 154 00e2 8130      		cpi r24,lo8(1)
146 
 155 00e4 00F0      		brlo .L20
147 
 156 00e6 8230      		cpi r24,lo8(2)
148 
 157 00e8 01F0      		breq .L33
149 
 158 00ea 8330      		cpi r24,lo8(3)
150 
 159 00ec 01F4      		brne .L10
151 
 160 00ee 00C0      		rjmp .L34
152 
 161               	.L32:
153 
 162 00f0 8091 0000 		lds r24,Motor_Hinten
154 
 163 00f4 00C0      		rjmp .L39
155 
 164               	.L33:
156 
 165 00f6 8091 0000 		lds r24,Motor_Rechts
157 
 166 00fa 00C0      		rjmp .L39
158 
 167               	.L34:
159 
 168 00fc 8091 0000 		lds r24,Motor_Links
160 
 169 0100 00C0      		rjmp .L39
161 
 170               	.L18:
162 
 171 0102 8091 0000 		lds r24,motorread
163 
 172 0106 9091 BB00 		lds r25,187
164 
 173 010a E82F      		mov r30,r24
165 
 174 010c FF27      		clr r31
166 
 175 010e E050      		subi r30,lo8(-(motor_rx))
167 
 176 0110 F040      		sbci r31,hi8(-(motor_rx))
168 
 177 0112 9483      		std Z+4,r25
169 
 178 0114 8F5F      		subi r24,lo8(-(1))
170 
 179 0116 8093 0000 		sts motorread,r24
171 
 180 011a 8430      		cpi r24,lo8(4)
172 
 181 011c 00F0      		brlo .L35
173 
 182 011e 1092 0000 		sts motorread,__zero_reg__
174 
 183               	.L35:
175 
 184 0122 84E9      		ldi r24,lo8(-108)
176 
 185 0124 8093 BC00 		sts 188,r24
177 
 186 0128 8AE0      		ldi r24,lo8(10)
178 
 187 012a 90E0      		ldi r25,hi8(10)
179 
 188 012c 9093 0000 		sts (I2CTimeout)+1,r25
180 
 189 0130 8093 0000 		sts I2CTimeout,r24
181 
 190 0134 1092 0000 		sts twi_state,__zero_reg__
182 
 191               	.L10:
183 
 192 0138 8091 BC00 		lds r24,188
184 
 193 013c 8068      		ori r24,lo8(-128)
185 
 194 013e 8093 BC00 		sts 188,r24
186 
 195               	/* epilogue: frame size=0 */
187 
 196 0142 FF91      		pop r31
188 
 197 0144 EF91      		pop r30
189 
 198 0146 9F91      		pop r25
190 
 199 0148 8F91      		pop r24
191 
 200 014a 0F90      		pop __tmp_reg__
192 
 201 014c 0FBE      		out __SREG__,__tmp_reg__
193 
 202 014e 0F90      		pop __tmp_reg__
194 
 203 0150 1F90      		pop __zero_reg__
195 
 204 0152 1895      		reti
196 
 205               	/* epilogue end (size=9) */
197 
 206               	/* function __vector_26 size 144 (126) */
198 
 208               	.global	i2c_reset
199 
 210               	i2c_reset:
200 
 211               	/* prologue: frame size=0 */
201 
 212               	/* prologue end (size=0) */
202 
 213 0154 4CEB      		ldi r20,lo8(188)
203 
 214 0156 50E0      		ldi r21,hi8(188)
204 
 215 0158 84E9      		ldi r24,lo8(-108)
205 
 216 015a DA01      		movw r26,r20
206 
 217 015c 8C93      		st X,r24
207 
 218 015e 1092 0000 		sts twi_state,__zero_reg__
208 
 219 0162 2BEB      		ldi r18,lo8(187)
209 
 220 0164 30E0      		ldi r19,hi8(187)
210 
 221 0166 F901      		movw r30,r18
211 
 222 0168 8081      		ld r24,Z
212 
 223 016a 1092 0000 		sts motor,__zero_reg__
213 
 224 016e 80E8      		ldi r24,lo8(-128)
214 
 225 0170 8C93      		st X,r24
215 
 226 0172 1092 BD00 		sts 189,__zero_reg__
216 
 227 0176 1092 BA00 		sts 186,__zero_reg__
217 
 228 017a 1082      		st Z,__zero_reg__
218 
 229 017c E9EB      		ldi r30,lo8(185)
219 
 230 017e F0E0      		ldi r31,hi8(185)
220 
 231 0180 1082      		st Z,__zero_reg__
221 
 232 0182 A8EB      		ldi r26,lo8(184)
222 
 233 0184 B0E0      		ldi r27,hi8(184)
223 
 234 0186 1C92      		st X,__zero_reg__
224 
 235 0188 1082      		st Z,__zero_reg__
225 
 236 018a 8AE2      		ldi r24,lo8(42)
226 
 237 018c 8C93      		st X,r24
227 
 238 018e 85EA      		ldi r24,lo8(-91)
228 
 239 0190 DA01      		movw r26,r20
229 
 240 0192 8C93      		st X,r24
230 
 241 0194 1082      		st Z,__zero_reg__
231 
 242 0196 F901      		movw r30,r18
232 
 243 0198 1082      		st Z,__zero_reg__
233 
 244 019a 85E8      		ldi r24,lo8(-123)
234 
 245 019c 8C93      		st X,r24
235 
 246               	/* epilogue: frame size=0 */
236 
 247 019e 0895      		ret
237 
 248               	/* epilogue end (size=1) */
238 
 249               	/* function i2c_reset size 38 (37) */
239 
 251               	.global	twi_state
240 
 252               	.global	twi_state
241 
 253               		.section .bss
242 
 256               	twi_state:
243 
 257 0000 00        		.skip 1,0
244 
 258               	.global	motor
245 
 259               	.global	motor
246 
 262               	motor:
247 
 263 0001 00        		.skip 1,0
248 
 264               	.global	motorread
249 
 265               	.global	motorread
250 
 268               	motorread:
251 
 269 0002 00        		.skip 1,0
252 
 270               		.comm motor_rx,8,1
253 
 271               	/* File "twimaster.c": code  208 = 0x00d0 ( 185), prologues   9, epilogues  14 */
254 
DEFINED SYMBOLS
255 
                            *ABS*:00000000 twimaster.c
256 
C:\Users\gunterl\AppData\Local\Temp/ccG704Yc.s:3      *ABS*:0000003f __SREG__
257 
C:\Users\gunterl\AppData\Local\Temp/ccG704Yc.s:4      *ABS*:0000003e __SP_H__
258 
C:\Users\gunterl\AppData\Local\Temp/ccG704Yc.s:5      *ABS*:0000003d __SP_L__
259 
C:\Users\gunterl\AppData\Local\Temp/ccG704Yc.s:6      *ABS*:00000000 __tmp_reg__
260 
C:\Users\gunterl\AppData\Local\Temp/ccG704Yc.s:7      *ABS*:00000001 __zero_reg__
261 
C:\Users\gunterl\AppData\Local\Temp/ccG704Yc.s:13     .text:00000000 i2c_init
262 
C:\Users\gunterl\AppData\Local\Temp/ccG704Yc.s:26     .text:0000000c i2c_start
263 
C:\Users\gunterl\AppData\Local\Temp/ccG704Yc.s:40     .text:00000018 i2c_stop
264 
C:\Users\gunterl\AppData\Local\Temp/ccG704Yc.s:52     .text:00000020 i2c_write_byte
265 
C:\Users\gunterl\AppData\Local\Temp/ccG704Yc.s:68     .text:00000034 __vector_26
266 
C:\Users\gunterl\AppData\Local\Temp/ccG704Yc.s:256    .bss:00000000 twi_state
267 
C:\Users\gunterl\AppData\Local\Temp/ccG704Yc.s:262    .bss:00000001 motor
268 
C:\Users\gunterl\AppData\Local\Temp/ccG704Yc.s:268    .bss:00000002 motorread
269 
                            *COM*:00000008 motor_rx
270 
C:\Users\gunterl\AppData\Local\Temp/ccG704Yc.s:210    .text:00000154 i2c_reset
271 
 
272 
UNDEFINED SYMBOLS
273 
__do_copy_data
274 
__do_clear_bss
275 
Motor_Vorne
276 
Motor_Hinten
277 
Motor_Rechts
278 
Motor_Links
279 
I2CTimeout