;-------------------------------------------------------- ; File Created by SDCC : free open source ISO C Compiler ; Version 4.6.0 #16555 (Mac OS X ppc) ;-------------------------------------------------------- .module Blinky .optsdcc -mmcs51 --model-small ;-------------------------------------------------------- ; Public variables in this module ;-------------------------------------------------------- .globl _DELAY .globl _main .globl _TF1 .globl _TR1 .globl _TF0 .globl _TR0 .globl _IE1 .globl _IT1 .globl _IE0 .globl _IT0 .globl _SM0 .globl _SM1 .globl _SM2 .globl _REN .globl _TB8 .globl _RB8 .globl _TI .globl _RI .globl _CY .globl _AC .globl _F0 .globl _RS1 .globl _RS0 .globl _OV .globl _F1 .globl _P .globl _RD .globl _WR .globl _T1 .globl _T0 .globl _INT1 .globl _INT0 .globl _TXD0 .globl _TXD .globl _RXD0 .globl _RXD .globl _P3_7 .globl _P3_6 .globl _P3_5 .globl _P3_4 .globl _P3_3 .globl _P3_2 .globl _P3_1 .globl _P3_0 .globl _P1_7 .globl _P1_6 .globl _P1_5 .globl _P1_4 .globl _P1_3 .globl _P1_2 .globl _P1_1 .globl _P1_0 .globl _PS .globl _PT1 .globl _PX1 .globl _PT0 .globl _PX0 .globl _EA .globl _ES .globl _ET1 .globl _EX1 .globl _ET0 .globl _EX0 .globl _BREG_F7 .globl _BREG_F6 .globl _BREG_F5 .globl _BREG_F4 .globl _BREG_F3 .globl _BREG_F2 .globl _BREG_F1 .globl _BREG_F0 .globl _TMOD .globl _TL1 .globl _TL0 .globl _TH1 .globl _TH0 .globl _TCON .globl _SP .globl _SCON .globl _SBUF0 .globl _SBUF .globl _PSW .globl _PCON .globl _P3 .globl _P1 .globl _IP .globl _IE .globl _DP0L .globl _DPL .globl _DP0H .globl _DPH .globl _B .globl _ACC .globl _ms_delay ;-------------------------------------------------------- ; special function registers ;-------------------------------------------------------- .area RSEG (ABS,DATA) .org 0x0000 _ACC = 0x00e0 _B = 0x00f0 _DPH = 0x0083 _DP0H = 0x0083 _DPL = 0x0082 _DP0L = 0x0082 _IE = 0x00a8 _IP = 0x00b8 _P1 = 0x0090 _P3 = 0x00b0 _PCON = 0x0087 _PSW = 0x00d0 _SBUF = 0x0099 _SBUF0 = 0x0099 _SCON = 0x0098 _SP = 0x0081 _TCON = 0x0088 _TH0 = 0x008c _TH1 = 0x008d _TL0 = 0x008a _TL1 = 0x008b _TMOD = 0x0089 ;-------------------------------------------------------- ; special function bits ;-------------------------------------------------------- .area RSEG (ABS,DATA) .org 0x0000 _BREG_F0 = 0x00f0 _BREG_F1 = 0x00f1 _BREG_F2 = 0x00f2 _BREG_F3 = 0x00f3 _BREG_F4 = 0x00f4 _BREG_F5 = 0x00f5 _BREG_F6 = 0x00f6 _BREG_F7 = 0x00f7 _EX0 = 0x00a8 _ET0 = 0x00a9 _EX1 = 0x00aa _ET1 = 0x00ab _ES = 0x00ac _EA = 0x00af _PX0 = 0x00b8 _PT0 = 0x00b9 _PX1 = 0x00ba _PT1 = 0x00bb _PS = 0x00bc _P1_0 = 0x0090 _P1_1 = 0x0091 _P1_2 = 0x0092 _P1_3 = 0x0093 _P1_4 = 0x0094 _P1_5 = 0x0095 _P1_6 = 0x0096 _P1_7 = 0x0097 _P3_0 = 0x00b0 _P3_1 = 0x00b1 _P3_2 = 0x00b2 _P3_3 = 0x00b3 _P3_4 = 0x00b4 _P3_5 = 0x00b5 _P3_6 = 0x00b6 _P3_7 = 0x00b7 _RXD = 0x00b0 _RXD0 = 0x00b0 _TXD = 0x00b1 _TXD0 = 0x00b1 _INT0 = 0x00b2 _INT1 = 0x00b3 _T0 = 0x00b4 _T1 = 0x00b5 _WR = 0x00b6 _RD = 0x00b7 _P = 0x00d0 _F1 = 0x00d1 _OV = 0x00d2 _RS0 = 0x00d3 _RS1 = 0x00d4 _F0 = 0x00d5 _AC = 0x00d6 _CY = 0x00d7 _RI = 0x0098 _TI = 0x0099 _RB8 = 0x009a _TB8 = 0x009b _REN = 0x009c _SM2 = 0x009d _SM1 = 0x009e _SM0 = 0x009f _IT0 = 0x0088 _IE0 = 0x0089 _IT1 = 0x008a _IE1 = 0x008b _TR0 = 0x008c _TF0 = 0x008d _TR1 = 0x008e _TF1 = 0x008f ;-------------------------------------------------------- ; overlayable register banks ;-------------------------------------------------------- .area REG_BANK_0 (REL,OVR,DATA) .ds 8 ;-------------------------------------------------------- ; internal ram data ;-------------------------------------------------------- .area DSEG (DATA) ;-------------------------------------------------------- ; overlayable items in internal ram ;-------------------------------------------------------- .area OSEG (OVR,DATA) ;-------------------------------------------------------- ; Stack segment in internal ram ;-------------------------------------------------------- .area SSEG __start__stack: .ds 1 ;-------------------------------------------------------- ; indirectly addressable internal ram data ;-------------------------------------------------------- .area ISEG (DATA) ;-------------------------------------------------------- ; absolute internal ram data ;-------------------------------------------------------- .area IABS (ABS,DATA) .area IABS (ABS,DATA) ;-------------------------------------------------------- ; bit data ;-------------------------------------------------------- .area BSEG (BIT) ;-------------------------------------------------------- ; paged external ram data ;-------------------------------------------------------- .area PSEG (PAG,XDATA) ;-------------------------------------------------------- ; uninitialized external ram data ;-------------------------------------------------------- .area XSEG (XDATA) ;-------------------------------------------------------- ; absolute external ram data ;-------------------------------------------------------- .area XABS (ABS,XDATA) ;-------------------------------------------------------- ; initialized external ram data ;-------------------------------------------------------- .area XISEG (XDATA) .area HOME (CODE) .area GSINIT0 (CODE) .area GSINIT1 (CODE) .area GSINIT2 (CODE) .area GSINIT3 (CODE) .area GSINIT4 (CODE) .area GSINIT5 (CODE) .area GSINIT (CODE) .area GSFINAL (CODE) .area CSEG (CODE) ;-------------------------------------------------------- ; interrupt vector ;-------------------------------------------------------- .area HOME (CODE) __interrupt_vect: ljmp __sdcc_gsinit_startup ; restartable atomic support routines .ds 5 sdcc_atomic_exchange_rollback_start:: nop nop sdcc_atomic_exchange_pdata_impl: movx a, @r0 mov r3, a mov a, r2 movx @r0, a sjmp sdcc_atomic_exchange_exit nop nop sdcc_atomic_exchange_xdata_impl: movx a, @dptr mov r3, a mov a, r2 movx @dptr, a sjmp sdcc_atomic_exchange_exit sdcc_atomic_compare_exchange_idata_impl: mov a, @r0 cjne a, ar2, .+#5 mov a, r3 mov @r0, a ret nop sdcc_atomic_compare_exchange_pdata_impl: movx a, @r0 cjne a, ar2, .+#5 mov a, r3 movx @r0, a ret nop sdcc_atomic_compare_exchange_xdata_impl: movx a, @dptr cjne a, ar2, .+#5 mov a, r3 movx @dptr, a ret sdcc_atomic_exchange_rollback_end:: sdcc_atomic_exchange_gptr_impl:: jnb b.6, sdcc_atomic_exchange_xdata_impl mov r0, dpl jb b.5, sdcc_atomic_exchange_pdata_impl sdcc_atomic_exchange_idata_impl: mov a, r2 xch a, @r0 mov dpl, a ret sdcc_atomic_exchange_exit: mov dpl, r3 ret sdcc_atomic_compare_exchange_gptr_impl:: jnb b.6, sdcc_atomic_compare_exchange_xdata_impl mov r0, dpl jb b.5, sdcc_atomic_compare_exchange_pdata_impl sjmp sdcc_atomic_compare_exchange_idata_impl ;-------------------------------------------------------- ; global & static initialisations ;-------------------------------------------------------- .area HOME (CODE) .area GSINIT (CODE) .area GSFINAL (CODE) .area GSINIT (CODE) .globl __sdcc_gsinit_startup .globl __sdcc_program_startup .globl __start__stack .globl __mcs51_genXINIT .globl __mcs51_genXRAMCLEAR .globl __mcs51_genRAMCLEAR .area GSFINAL (CODE) ljmp __sdcc_program_startup ;-------------------------------------------------------- ; Home ;-------------------------------------------------------- .area HOME (CODE) .area HOME (CODE) __sdcc_program_startup: lcall _main __sdcc_program_exit: sjmp . ; return from main will return to caller ;-------------------------------------------------------- ; code ;-------------------------------------------------------- .area CSEG (CODE) ;------------------------------------------------------------ ;Allocation info for local variables in function 'main' ;------------------------------------------------------------ ; Blinky.c:20: void main(void) ; ----------------------------------------- ; function main ; ----------------------------------------- _main: ar7 = 0x07 ar6 = 0x06 ar5 = 0x05 ar4 = 0x04 ar3 = 0x03 ar2 = 0x02 ar1 = 0x01 ar0 = 0x00 ; Blinky.c:22: while(1) { 00102$: ; Blinky.c:23: P1_0 = 1; ; assignBit setb _P1_0 ; Blinky.c:24: ms_delay(DELAY); mov dptr,#0x03e8 lcall _ms_delay ; Blinky.c:25: P1_0 = 0; ; assignBit clr _P1_0 ; Blinky.c:26: ms_delay(DELAY); mov dptr,#0x03e8 lcall _ms_delay ; Blinky.c:28: } sjmp 00102$ ;------------------------------------------------------------ ;Allocation info for local variables in function 'ms_delay' ;------------------------------------------------------------ ;ms Allocated to registers r6 r7 ;i Allocated to registers r4 r5 ;j Allocated to registers r3 ;------------------------------------------------------------ ; Blinky.c:34: void ms_delay(unsigned int ms) { ; ----------------------------------------- ; function ms_delay ; ----------------------------------------- _ms_delay: mov r6, dpl mov r7, dph ; Blinky.c:35: for(unsigned int i=0; i