📄 ser_ir.asm
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;--------------------------------------------------------; File Created by SDCC : FreeWare ANSI-C Compiler; Version 2.3.0 Thu Sep 20 10:57:41 2001;-------------------------------------------------------- .module ser_ir .flat24 on ; 24 bit flat addressingdpx = 0x93 ; dpx register unknown to assemblerdps = 0x86 ; dps register unknown to assemblerdpl1 = 0x84 ; dpl1 register unknown to assemblerdph1 = 0x85 ; dph1 register unknown to assemblerdpx1 = 0x95 ; dpx1 register unknown to assemblerap = 0x9C ; ap register unknown to assembler;--------------------------------------------------------; Public variables in this module;-------------------------------------------------------- .globl _ser_gets_PARM_2 .globl _ser_init .globl _ser_handler .globl _ser_putc .globl _ser_getc .globl _ser_puts .globl _ser_gets .globl _ser_can_xmt .globl _ser_can_rcv;--------------------------------------------------------; special function registers;--------------------------------------------------------_P0 = 0x0080_SP = 0x0081_DPL = 0x0082_DPH = 0x0083_PCON = 0x0087_TCON = 0x0088_TMOD = 0x0089_TL0 = 0x008a_TL1 = 0x008b_TH0 = 0x008c_TH1 = 0x008d_P1 = 0x0090_SCON = 0x0098_SBUF = 0x0099_P2 = 0x00a0_IE = 0x00a8_P3 = 0x00b0_IP = 0x00b8_PSW = 0x00d0_ACC = 0x00e0_B = 0x00f0;--------------------------------------------------------; special function bits ;--------------------------------------------------------_P0_0 = 0x0080_P0_1 = 0x0081_P0_2 = 0x0082_P0_3 = 0x0083_P0_4 = 0x0084_P0_5 = 0x0085_P0_6 = 0x0086_P0_7 = 0x0087_IT0 = 0x0088_IE0 = 0x0089_IT1 = 0x008a_IE1 = 0x008b_TR0 = 0x008c_TF0 = 0x008d_TR1 = 0x008e_TF1 = 0x008f_P1_0 = 0x0090_P1_1 = 0x0091_P1_2 = 0x0092_P1_3 = 0x0093_P1_4 = 0x0094_P1_5 = 0x0095_P1_6 = 0x0096_P1_7 = 0x0097_RI = 0x0098_TI = 0x0099_RB8 = 0x009a_TB8 = 0x009b_REN = 0x009c_SM2 = 0x009d_SM1 = 0x009e_SM0 = 0x009f_P2_0 = 0x00a0_P2_1 = 0x00a1_P2_2 = 0x00a2_P2_3 = 0x00a3_P2_4 = 0x00a4_P2_5 = 0x00a5_P2_6 = 0x00a6_P2_7 = 0x00a7_EX0 = 0x00a8_ET0 = 0x00a9_EX1 = 0x00aa_ET1 = 0x00ab_ES = 0x00ac_EA = 0x00af_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_TXD = 0x00b1_INT0 = 0x00b2_INT1 = 0x00b3_T0 = 0x00b4_T1 = 0x00b5_WR = 0x00b6_RD = 0x00b7_PX0 = 0x00b8_PT0 = 0x00b9_PX1 = 0x00ba_PT1 = 0x00bb_PS = 0x00bc_P = 0x00d0_F1 = 0x00d1_OV = 0x00d2_RS0 = 0x00d3_RS1 = 0x00d4_F0 = 0x00d5_AC = 0x00d6_CY = 0x00d7;--------------------------------------------------------; internal ram data;-------------------------------------------------------- .area DSEG (DATA);--------------------------------------------------------; overlayable items in internal ram ;-------------------------------------------------------- .area OSEG (OVR,DATA);--------------------------------------------------------; indirectly addressable internal ram data;-------------------------------------------------------- .area ISEG (DATA);--------------------------------------------------------; bit data;-------------------------------------------------------- .area BSEG (BIT);--------------------------------------------------------; external ram data;-------------------------------------------------------- .area XSEG (XDATA)_rbuf: .ds 10_xbuf: .ds 10_rcnt: .ds 1_xcnt: .ds 1_rpos: .ds 1_xpos: .ds 1_busy: .ds 1_ser_gets_PARM_2:: .ds 1_ser_gets_pos_1_1:: .ds 1_ser_gets_c_1_1:: .ds 1;--------------------------------------------------------; global & static initialisations;-------------------------------------------------------- .area GSINIT (CODE) .area GSFINAL (CODE) .area GSINIT (CODE);--------------------------------------------------------; Home;-------------------------------------------------------- .area HOME (CODE) .area CSEG (CODE);--------------------------------------------------------; code;-------------------------------------------------------- .area CSEG (CODE); ser_ir.c 49; genFunction ; -----------------------------------------; function ser_init; -----------------------------------------_ser_init: ar2 = 0x02 ar3 = 0x03 ar4 = 0x04 ar5 = 0x05 ar6 = 0x06 ar7 = 0x07 ar0 = 0x00 ar1 = 0x01; ser_ir.c 51; genAssign ; genAssign: resultIsFar = FALSE clr _ES; ser_ir.c 52; genAssign ; genAssign: resultIsFar = TRUE mov dptr,#_xpos; Peephole 180 changed mov to clr; genAssign ; genAssign: resultIsFar = TRUE; Peephole 180 changed mov to clr; Peephole 219 removed redundant clear; genAssign ; genAssign: resultIsFar = TRUE; Peephole 180 changed mov to clr; genAssign ; genAssign: resultIsFar = TRUE; Peephole 180 changed mov to clr; Peephole 219 removed redundant clear; Peephole 219a removed redundant clear clr a movx @dptr,a mov dptr,#_rpos movx @dptr,a mov dptr,#_xcnt movx @dptr,a mov dptr,#_rcnt movx @dptr,a; ser_ir.c 53; genAssign ; genAssign: resultIsFar = TRUE mov dptr,#_busy; Peephole 180 changed mov to clr clr a movx @dptr,a; ser_ir.c 54; genAssign ; genAssign: resultIsFar = FALSE mov _SCON,#0x50; ser_ir.c 55; genOr orl _PCON,#0x80; ser_ir.c 56; genAnd anl _TMOD,#0x0F; ser_ir.c 57; genOr orl _TMOD,#0x20; ser_ir.c 58; genAssign ; genAssign: resultIsFar = FALSE mov _TL1,#0xFD; genAssign ; genAssign: resultIsFar = FALSE mov _TH1,#0xFD; genAssign ; genAssign: resultIsFar = FALSE setb _TR1; ser_ir.c 59; genAssign ; genAssign: resultIsFar = FALSE setb _ES; genLabel 00101$:; genEndFunction ret; ser_ir.c 62; genFunction ; -----------------------------------------; function ser_handler; -----------------------------------------_ser_handler: push acc push b push dpl push dph push dpx push dps mov dps, #0x00 push dpl1 push dph1 push dpx1 push ap push ar2 push ar3 push ar4 push ar5 push psw mov psw,#0x00; ser_ir.c 64; genIfx ; genIfxJump ; Peephole 111 removed ljmp by inverse jump logic jnb _RI,00104$00118$:; ser_ir.c 65; genAssign ; genAssign: resultIsFar = FALSE clr _RI; ser_ir.c 67; genCmpLt mov dptr,#_rcnt; genCmp movx a,@dptr cjne a,#0x0A,00119$00119$:; genIfxJump ; Peephole 108 removed ljmp by inverse jump logic jnc 00104$00120$:; ser_ir.c 68; genAssign mov dptr,#_rcnt; genAssign: resultIsFar = FALSE movx a,@dptr mov r2,a; genPlus mov dptr,#_rcnt mov a,#0x01 add a,r2 movx @dptr,a; genPlus mov dptr,#_rpos; Swapped plus args. movx a,@dptr add a,r2; genMod ; DS80C390 div bug: rearranged ops.; Peephole 105 removed redundant mov mov r2,a mov b,#0x0A div ab mov r2,b; genPlus mov a,r2 add a,#_rbuf mov r2,a; Peephole 180 changed mov to clr clr a addc a,#(_rbuf >> 8) mov r3,a; Peephole 180 changed mov to clr clr a addc a,#(_rbuf >> 16) mov r4,a; genPointerSet mov dpl,r2 mov dph,r3 mov dpx,r4 mov a,_SBUF movx @dptr,a; genLabel 00104$:; ser_ir.c 70; genIfx ; genIfxJump ; Peephole 111 removed ljmp by inverse jump logic jnb _TI,00111$00121$:; ser_ir.c 71; genAssign ; genAssign: resultIsFar = FALSE clr _TI; ser_ir.c 72; genAssign mov dptr,#_xcnt; genAssign: resultIsFar = TRUE; genFarFarAssign (1 byte case) movx a,@dptr; genAssign ; genAssign: resultIsFar = TRUE; Peephole 100 removed redundant mov mov r2,a mov dptr,#_busy movx @dptr,a; genIfx mov a,r2; genIfxJump ; Peephole 110 removed ljmp by inverse jump logic jz 00111$00122$:; ser_ir.c 73; genMinus mov a,r2 dec a; genAssign ; genAssign: resultIsFar = TRUE mov dptr,#_xcnt movx @dptr,a; ser_ir.c 74; genAssign mov dptr,#_xpos; genAssign: resultIsFar = FALSE movx a,@dptr; genPlus ; Peephole 214 reduced some extra movs mov r2,a add a,#0x01 ; genAssign ; genAssign: resultIsFar = TRUE; Peephole 100 removed redundant mov mov r3,a mov dptr,#_xpos movx @dptr,a; genPlus mov a,r2 add a,#_xbuf mov r2,a; Peephole 180 changed mov to clr clr a addc a,#(_xbuf >> 8) mov r4,a; Peephole 180 changed mov to clr clr a addc a,#(_xbuf >> 16) mov r5,a; genPointerGet ; genFarPointerGet mov dpl,r2 mov dph,r4 mov dpx,r5 movx a,@dptr mov _SBUF,a; ser_ir.c 75; genCmpLt ; genCmp cjne r3,#0x0A,00123$00123$:; genIfxJump ; Peephole 132 changed ljmp to sjmp; Peephole 160 removed sjmp by inverse jump logic jc 00111$00124$:; ser_ir.c 76; genAssign ; genAssign: resultIsFar = TRUE mov dptr,#_xpos; Peephole 180 changed mov to clr clr a movx @dptr,a; genLabel 00111$:; genEndFunction pop psw pop ar5 pop ar4 pop ar3 pop ar2 pop ap pop dpx1 pop dph1 pop dpl1 pop dps pop dpx pop dph pop dpl pop b pop acc reti; ser_ir.c 81; genFunction ; -----------------------------------------; function ser_putc; -----------------------------------------_ser_putc:; ser_ir.c 92⌨️ 快捷键说明
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