1 ;-------------------------------------------------------- 2 ; File Created by SDCC : free open source ISO C Compiler 3 ; Version 4.6.0 #16555 (Mac OS X ppc) 4 ;-------------------------------------------------------- 5 .module Blinky 6 7 .optsdcc -mmcs51 --model-small 8 ;-------------------------------------------------------- 9 ; Public variables in this module 10 ;-------------------------------------------------------- 11 .globl _DELAY 12 .globl _main 13 .globl _TF1 14 .globl _TR1 15 .globl _TF0 16 .globl _TR0 17 .globl _IE1 18 .globl _IT1 19 .globl _IE0 20 .globl _IT0 21 .globl _SM0 22 .globl _SM1 23 .globl _SM2 24 .globl _REN 25 .globl _TB8 26 .globl _RB8 27 .globl _TI 28 .globl _RI 29 .globl _CY 30 .globl _AC 31 .globl _F0 32 .globl _RS1 33 .globl _RS0 34 .globl _OV 35 .globl _F1 36 .globl _P 37 .globl _RD 38 .globl _WR 39 .globl _T1 40 .globl _T0 41 .globl _INT1 42 .globl _INT0 43 .globl _TXD0 44 .globl _TXD 45 .globl _RXD0 46 .globl _RXD 47 .globl _P3_7 48 .globl _P3_6 49 .globl _P3_5 50 .globl _P3_4 51 .globl _P3_3 52 .globl _P3_2 53 .globl _P3_1 54 .globl _P3_0 55 .globl _P1_7 56 .globl _P1_6 57 .globl _P1_5 58 .globl _P1_4 59 .globl _P1_3 60 .globl _P1_2 61 .globl _P1_1 62 .globl _P1_0 63 .globl _PS 64 .globl _PT1 65 .globl _PX1 66 .globl _PT0 67 .globl _PX0 68 .globl _EA 69 .globl _ES 70 .globl _ET1 71 .globl _EX1 72 .globl _ET0 73 .globl _EX0 74 .globl _BREG_F7 75 .globl _BREG_F6 76 .globl _BREG_F5 77 .globl _BREG_F4 78 .globl _BREG_F3 79 .globl _BREG_F2 80 .globl _BREG_F1 81 .globl _BREG_F0 82 .globl _TMOD 83 .globl _TL1 84 .globl _TL0 85 .globl _TH1 86 .globl _TH0 87 .globl _TCON 88 .globl _SP 89 .globl _SCON 90 .globl _SBUF0 91 .globl _SBUF 92 .globl _PSW 93 .globl _PCON 94 .globl _P3 95 .globl _P1 96 .globl _IP 97 .globl _IE 98 .globl _DP0L 99 .globl _DPL 100 .globl _DP0H 101 .globl _DPH 102 .globl _B 103 .globl _ACC 104 .globl _ms_delay 105 ;-------------------------------------------------------- 106 ; special function registers 107 ;-------------------------------------------------------- 108 .area RSEG (ABS,DATA) 000000 109 .org 0x0000 0000E0 110 _ACC = 0x00e0 0000F0 111 _B = 0x00f0 000083 112 _DPH = 0x0083 000083 113 _DP0H = 0x0083 000082 114 _DPL = 0x0082 000082 115 _DP0L = 0x0082 0000A8 116 _IE = 0x00a8 0000B8 117 _IP = 0x00b8 000090 118 _P1 = 0x0090 0000B0 119 _P3 = 0x00b0 000087 120 _PCON = 0x0087 0000D0 121 _PSW = 0x00d0 000099 122 _SBUF = 0x0099 000099 123 _SBUF0 = 0x0099 000098 124 _SCON = 0x0098 000081 125 _SP = 0x0081 000088 126 _TCON = 0x0088 00008C 127 _TH0 = 0x008c 00008D 128 _TH1 = 0x008d 00008A 129 _TL0 = 0x008a 00008B 130 _TL1 = 0x008b 000089 131 _TMOD = 0x0089 132 ;-------------------------------------------------------- 133 ; special function bits 134 ;-------------------------------------------------------- 135 .area RSEG (ABS,DATA) 000000 136 .org 0x0000 0000F0 137 _BREG_F0 = 0x00f0 0000F1 138 _BREG_F1 = 0x00f1 0000F2 139 _BREG_F2 = 0x00f2 0000F3 140 _BREG_F3 = 0x00f3 0000F4 141 _BREG_F4 = 0x00f4 0000F5 142 _BREG_F5 = 0x00f5 0000F6 143 _BREG_F6 = 0x00f6 0000F7 144 _BREG_F7 = 0x00f7 0000A8 145 _EX0 = 0x00a8 0000A9 146 _ET0 = 0x00a9 0000AA 147 _EX1 = 0x00aa 0000AB 148 _ET1 = 0x00ab 0000AC 149 _ES = 0x00ac 0000AF 150 _EA = 0x00af 0000B8 151 _PX0 = 0x00b8 0000B9 152 _PT0 = 0x00b9 0000BA 153 _PX1 = 0x00ba 0000BB 154 _PT1 = 0x00bb 0000BC 155 _PS = 0x00bc 000090 156 _P1_0 = 0x0090 000091 157 _P1_1 = 0x0091 000092 158 _P1_2 = 0x0092 000093 159 _P1_3 = 0x0093 000094 160 _P1_4 = 0x0094 000095 161 _P1_5 = 0x0095 000096 162 _P1_6 = 0x0096 000097 163 _P1_7 = 0x0097 0000B0 164 _P3_0 = 0x00b0 0000B1 165 _P3_1 = 0x00b1 0000B2 166 _P3_2 = 0x00b2 0000B3 167 _P3_3 = 0x00b3 0000B4 168 _P3_4 = 0x00b4 0000B5 169 _P3_5 = 0x00b5 0000B6 170 _P3_6 = 0x00b6 0000B7 171 _P3_7 = 0x00b7 0000B0 172 _RXD = 0x00b0 0000B0 173 _RXD0 = 0x00b0 0000B1 174 _TXD = 0x00b1 0000B1 175 _TXD0 = 0x00b1 0000B2 176 _INT0 = 0x00b2 0000B3 177 _INT1 = 0x00b3 0000B4 178 _T0 = 0x00b4 0000B5 179 _T1 = 0x00b5 0000B6 180 _WR = 0x00b6 0000B7 181 _RD = 0x00b7 0000D0 182 _P = 0x00d0 0000D1 183 _F1 = 0x00d1 0000D2 184 _OV = 0x00d2 0000D3 185 _RS0 = 0x00d3 0000D4 186 _RS1 = 0x00d4 0000D5 187 _F0 = 0x00d5 0000D6 188 _AC = 0x00d6 0000D7 189 _CY = 0x00d7 000098 190 _RI = 0x0098 000099 191 _TI = 0x0099 00009A 192 _RB8 = 0x009a 00009B 193 _TB8 = 0x009b 00009C 194 _REN = 0x009c 00009D 195 _SM2 = 0x009d 00009E 196 _SM1 = 0x009e 00009F 197 _SM0 = 0x009f 000088 198 _IT0 = 0x0088 000089 199 _IE0 = 0x0089 00008A 200 _IT1 = 0x008a 00008B 201 _IE1 = 0x008b 00008C 202 _TR0 = 0x008c 00008D 203 _TF0 = 0x008d 00008E 204 _TR1 = 0x008e 00008F 205 _TF1 = 0x008f 206 ;-------------------------------------------------------- 207 ; overlayable register banks 208 ;-------------------------------------------------------- 209 .area REG_BANK_0 (REL,OVR,DATA) 000000 210 .ds 8 211 ;-------------------------------------------------------- 212 ; internal ram data 213 ;-------------------------------------------------------- 214 .area DSEG (DATA) 215 ;-------------------------------------------------------- 216 ; overlayable items in internal ram 217 ;-------------------------------------------------------- 218 .area OSEG (OVR,DATA) 219 ;-------------------------------------------------------- 220 ; Stack segment in internal ram 221 ;-------------------------------------------------------- 222 .area SSEG 000000 223 __start__stack: 000000 224 .ds 1 225 226 ;-------------------------------------------------------- 227 ; indirectly addressable internal ram data 228 ;-------------------------------------------------------- 229 .area ISEG (DATA) 230 ;-------------------------------------------------------- 231 ; absolute internal ram data 232 ;-------------------------------------------------------- 233 .area IABS (ABS,DATA) 234 .area IABS (ABS,DATA) 235 ;-------------------------------------------------------- 236 ; bit data 237 ;-------------------------------------------------------- 238 .area BSEG (BIT) 239 ;-------------------------------------------------------- 240 ; paged external ram data 241 ;-------------------------------------------------------- 242 .area PSEG (PAG,XDATA) 243 ;-------------------------------------------------------- 244 ; uninitialized external ram data 245 ;-------------------------------------------------------- 246 .area XSEG (XDATA) 247 ;-------------------------------------------------------- 248 ; absolute external ram data 249 ;-------------------------------------------------------- 250 .area XABS (ABS,XDATA) 251 ;-------------------------------------------------------- 252 ; initialized external ram data 253 ;-------------------------------------------------------- 254 .area XISEG (XDATA) 255 .area HOME (CODE) 256 .area GSINIT0 (CODE) 257 .area GSINIT1 (CODE) 258 .area GSINIT2 (CODE) 259 .area GSINIT3 (CODE) 260 .area GSINIT4 (CODE) 261 .area GSINIT5 (CODE) 262 .area GSINIT (CODE) 263 .area GSFINAL (CODE) 264 .area CSEG (CODE) 265 ;-------------------------------------------------------- 266 ; interrupt vector 267 ;-------------------------------------------------------- 268 .area HOME (CODE) 000000 269 __interrupt_vect: 000000 02r00r00 [24] 270 ljmp __sdcc_gsinit_startup 271 ; restartable atomic support routines 000003 272 .ds 5 000008 273 sdcc_atomic_exchange_rollback_start:: 000008 00 [12] 274 nop 000009 00 [12] 275 nop 00000A 276 sdcc_atomic_exchange_pdata_impl: 00000A E2 [24] 277 movx a, @r0 00000B FB [12] 278 mov r3, a 00000C EA [12] 279 mov a, r2 00000D F2 [24] 280 movx @r0, a 00000E 80 2C [24] 281 sjmp sdcc_atomic_exchange_exit 000010 00 [12] 282 nop 000011 00 [12] 283 nop 000012 284 sdcc_atomic_exchange_xdata_impl: 000012 E0 [24] 285 movx a, @dptr 000013 FB [12] 286 mov r3, a 000014 EA [12] 287 mov a, r2 000015 F0 [24] 288 movx @dptr, a 000016 80 24 [24] 289 sjmp sdcc_atomic_exchange_exit 000018 290 sdcc_atomic_compare_exchange_idata_impl: 000018 E6 [12] 291 mov a, @r0 000019 B5 02 02 [24] 292 cjne a, ar2, .+#5 00001C EB [12] 293 mov a, r3 00001D F6 [12] 294 mov @r0, a 00001E 22 [24] 295 ret 00001F 00 [12] 296 nop 000020 297 sdcc_atomic_compare_exchange_pdata_impl: 000020 E2 [24] 298 movx a, @r0 000021 B5 02 02 [24] 299 cjne a, ar2, .+#5 000024 EB [12] 300 mov a, r3 000025 F2 [24] 301 movx @r0, a 000026 22 [24] 302 ret 000027 00 [12] 303 nop 000028 304 sdcc_atomic_compare_exchange_xdata_impl: 000028 E0 [24] 305 movx a, @dptr 000029 B5 02 02 [24] 306 cjne a, ar2, .+#5 00002C EB [12] 307 mov a, r3 00002D F0 [24] 308 movx @dptr, a 00002E 22 [24] 309 ret 00002F 310 sdcc_atomic_exchange_rollback_end:: 311 00002F 312 sdcc_atomic_exchange_gptr_impl:: 00002F 30 F6 E0 [24] 313 jnb b.6, sdcc_atomic_exchange_xdata_impl 000032 A8 82 [24] 314 mov r0, dpl 000034 20 F5 D3 [24] 315 jb b.5, sdcc_atomic_exchange_pdata_impl 000037 316 sdcc_atomic_exchange_idata_impl: 000037 EA [12] 317 mov a, r2 000038 C6 [12] 318 xch a, @r0 000039 F5 82 [12] 319 mov dpl, a 00003B 22 [24] 320 ret 00003C 321 sdcc_atomic_exchange_exit: 00003C 8B 82 [24] 322 mov dpl, r3 00003E 22 [24] 323 ret 00003F 324 sdcc_atomic_compare_exchange_gptr_impl:: 00003F 30 F6 E6 [24] 325 jnb b.6, sdcc_atomic_compare_exchange_xdata_impl 000042 A8 82 [24] 326 mov r0, dpl 000044 20 F5 D9 [24] 327 jb b.5, sdcc_atomic_compare_exchange_pdata_impl 000047 80 CF [24] 328 sjmp sdcc_atomic_compare_exchange_idata_impl 329 ;-------------------------------------------------------- 330 ; global & static initialisations 331 ;-------------------------------------------------------- 332 .area HOME (CODE) 333 .area GSINIT (CODE) 334 .area GSFINAL (CODE) 335 .area GSINIT (CODE) 336 .globl __sdcc_gsinit_startup 337 .globl __sdcc_program_startup 338 .globl __start__stack 339 .globl __mcs51_genXINIT 340 .globl __mcs51_genXRAMCLEAR 341 .globl __mcs51_genRAMCLEAR 342 .area GSFINAL (CODE) 000000 02r00r49 [24] 343 ljmp __sdcc_program_startup 344 ;-------------------------------------------------------- 345 ; Home 346 ;-------------------------------------------------------- 347 .area HOME (CODE) 348 .area HOME (CODE) 000049 349 __sdcc_program_startup: 000049 12r00r00 [24] 350 lcall _main 00004C 351 __sdcc_program_exit: 00004C 80 FE [24] 352 sjmp . 353 ; return from main will return to caller 354 ;-------------------------------------------------------- 355 ; code 356 ;-------------------------------------------------------- 357 .area CSEG (CODE) 358 ;------------------------------------------------------------ 359 ;Allocation info for local variables in function 'main' 360 ;------------------------------------------------------------ 361 ; Blinky.c:20: void main(void) 362 ; ----------------------------------------- 363 ; function main 364 ; ----------------------------------------- 000000 365 _main: 000007 366 ar7 = 0x07 000006 367 ar6 = 0x06 000005 368 ar5 = 0x05 000004 369 ar4 = 0x04 000003 370 ar3 = 0x03 000002 371 ar2 = 0x02 000001 372 ar1 = 0x01 000000 373 ar0 = 0x00 374 ; Blinky.c:22: while(1) { 000000 375 00102$: 376 ; Blinky.c:23: P1_0 = 1; 377 ; assignBit 000000 D2 90 [12] 378 setb _P1_0 379 ; Blinky.c:24: ms_delay(DELAY); 000002 90 03 E8 [24] 380 mov dptr,#0x03e8 000005 12r00r12 [24] 381 lcall _ms_delay 382 ; Blinky.c:25: P1_0 = 0; 383 ; assignBit 000008 C2 90 [12] 384 clr _P1_0 385 ; Blinky.c:26: ms_delay(DELAY); 00000A 90 03 E8 [24] 386 mov dptr,#0x03e8 00000D 12r00r12 [24] 387 lcall _ms_delay 388 ; Blinky.c:28: } 000010 80 EE [24] 389 sjmp 00102$ 390 ;------------------------------------------------------------ 391 ;Allocation info for local variables in function 'ms_delay' 392 ;------------------------------------------------------------ 393 ;ms Allocated to registers r6 r7 394 ;i Allocated to registers r4 r5 395 ;j Allocated to registers r3 396 ;------------------------------------------------------------ 397 ; Blinky.c:34: void ms_delay(unsigned int ms) { 398 ; ----------------------------------------- 399 ; function ms_delay 400 ; ----------------------------------------- 000012 401 _ms_delay: 000012 AE 82 [24] 402 mov r6, dpl 000014 AF 83 [24] 403 mov r7, dph 404 ; Blinky.c:35: for(unsigned int i=0; i