📄 sp_lib.lst
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F_Key_Scan_ServiceLoop_2:
00009460 11 93 01 70 r1 = [P_IOA_Buffer]; // PortA.7 low(scan line +Vcc)
00009462 09 B3 7F FF r1 &= 0xFF7F;
00009464 19 D3 01 70 [P_IOA_Buffer] = r1;
00009466 11 93 00 70 r1 = [P_IOA_Data]; // get key data from IOA
//r1 = [P_IOB_Data]; // get key data from IOB
00009468 4F B2 r1 &= 0x000F; //
00009469 01 95 r2 = r1; // key from +Vcc
0000946A 0A 87 FF FF r3 = r2 xor 0xffff; // Be a +Vcc mask
// delay here
0000946C 00 EE nop;
0000946D 00 EE nop;
0000946E 00 EE nop;
0000946F 11 93 01 70 r1 = [P_IOA_Buffer]; // PortA.7 high(scan line)
00009471 09 A3 80 00 r1 |= 0x0080; //
00009473 19 D3 01 70 [P_IOA_Buffer] = r1; //
00009475 11 93 00 70 r1 = [P_IOA_Data]; //
//r1 = [P_IOB_Data]; // get key data from IOB
00009477 4F B2 r1 &= 0x000F; //
00009478 02 83 r1 ^= r2; // possible bits by scan line
00009479 03 B3 r1 &= r3; // do +Vcc mask
0000947A 59 93 r1 = r1 lsl 4; //
0000947B 02 A3 r1 |= r2; //
//r2 = r2 lsl 4; //
//r1 |= r2; //
0000947C 09 B3 FF 00 r1 = r1 and 0xFF; // mask bit[0..7]
0000947E 12 95 B2 00 r2 = [R_DebounceReg]; //
00009480 19 D3 B2 00 [R_DebounceReg] = r1; //
00009482 12 45 B2 00 cmp r2,[R_DebounceReg]; //
00009484 04 5E je L_KS_StableTwoSample_2; //
00009485 48 92 r1 = C_DebounceCnt; //debounce time setting
00009486 19 D3 B3 00 [R_DebounceCnt] = r1; //
00009488 90 9A retf; //
L_KS_StableTwoSample_2:
00009489 11 93 B3 00 r1 = [R_DebounceCnt]; //
0000948B 01 5E jz L_KS_StableOverDebounce_2; //
0000948C 90 9A retf;
L_KS_StableOverDebounce_2:
0000948D 19 D3 B3 00 [R_DebounceCnt] = r1; //
0000948F 12 95 B2 00 r2 = [R_DebounceReg]; //
00009491 11 93 B4 00 r1 = [R_KeyBuf]; //
00009493 1A D5 B4 00 [R_KeyBuf] = r2; //
00009495 09 83 FF 00 r1 = r1 xor 0x00ff; //
00009497 11 B3 B4 00 r1 = r1 and [R_KeyBuf]; //
00009499 09 B3 FF 00 r1 = r1 and 0x00ff; //
0000949B 11 A3 B5 00 r1 = r1 or [R_KeyStrobe]; //
0000949D 19 D3 B5 00 [R_KeyStrobe] = r1; //save stable key code to R_KeyStrobe
0000949F 90 9A retf;
//////////////////////////////////////////////////////////////////
// Function: debounce counter down count
//////////////////////////////////////////////////////////////////
F_Key_DebounceCnt_Down:
000094A0 11 93 B3 00 r1 = [R_DebounceCnt]; // Debounce subroutine for F_IO_Key_Scan:
000094A2 03 5E jz L_DebounceCntZero; // stop count if zero
000094A3 41 22 r1 -= 0x0001; //
000094A4 19 D3 B3 00 [R_DebounceCnt] = r1; //
L_DebounceCntZero: //
000094A6 90 9A retf; //
//****************************************************************
// Function: Get Keycode for I/O Port
// Destory register: r1, r2
//****************************************************************
_SP_GetCh:
F_SP_GetCh:
//push BP,BP to [SP];
//BP = SP + 1;
000094A7 11 93 B5 00 r1 = [R_KeyStrobe]; // Get Key code
000094A9 40 94 r2 = 0x0000; // Clear KeyStrobe for next key
000094AA 1A D5 B5 00 [R_KeyStrobe] = r2; //
//pop BP,BP from [SP];
000094AC 90 9A retf;
//////////////////////////////////////////////////////////////////
// I/O APIs
//////////////////////////////////////////////////////////////////
//--------------------------------------------------------------------
//-- Procedure: _SP_Init_IOA
//-- Syntax : SP_Init_IOA(Dir,Data,Attrib)
//-- Description: Initialize IOA setting
//-- Parameter:
//-- Dir --> P_IOA_Dir,
//-- Data --> P_IOA_Data,
//-- Attrib --> P_IOA_Attrib
//-- Return:
//-- None
//--------------------------------------------------------------------
_SP_Init_IOA: .PROC
000094AD 88 DA PUSH BP,BP TO [SP];
000094AE 08 0B 01 00 BP = SP + 1;
000094B0 88 D2 PUSH R1,R1 TO [SP];
000094B1 03 92 R1 = [BP+3]; // Port direction
000094B2 19 D3 02 70 [P_IOA_Dir] = R1;
000094B4 04 92 R1 = [BP+4];
000094B5 19 D3 00 70 [P_IOA_Data] = R1;
000094B7 05 92 R1 = [BP+5];
000094B8 19 D3 03 70 [P_IOA_Attrib] = R1;
000094BA 88 90 POP R1,R1 FROM [SP];
000094BB 88 98 POP BP,BP FROM [SP];
000094BC 90 9A RETF;
.ENDP
//////////////////////////////////////////////////////////////////
// SP_Inti_IOB
//////////////////////////////////////////////////////////////////
//--------------------------------------------------------------------
//-- Procedure: _SP_Init_IOB
//-- Syntax : SP_Init_IOB(Dir,Data,Attrib)
//-- Description: Initialize IOB setting
//-- Parameter:
//-- Dir --> P_IOB_Dir,
//-- Data --> P_IOB_Data,
//-- Attrib --> P_IOB_Attrib
//-- Return:
//-- None
//--------------------------------------------------------------------
_SP_Init_IOB: .PROC
000094BD 88 DA PUSH BP,BP TO [SP];
000094BE 08 0B 01 00 BP = SP + 1;
000094C0 88 D2 PUSH R1,R1 TO [SP];
000094C1 03 92 R1 = [BP+3]; // Port direction
000094C2 19 D3 07 70 [P_IOB_Dir] = R1;
000094C4 04 92 R1 = [BP+4];
000094C5 19 D3 05 70 [P_IOB_Data] = R1;
000094C7 05 92 R1 = [BP+5];
000094C8 19 D3 08 70 [P_IOB_Attrib] = R1;
000094CA 88 90 POP R1,R1 FROM [SP];
000094CB 88 98 POP BP,BP FROM [SP];
000094CC 90 9A RETF;
.ENDP
//--------------------------------------------------------------------
//-- Procedure: _SP_Import
//-- Syntax : SP_Import(Port Number,Data Buffer Pointer)
//-- Description: Import number from IO and save to a memory location
//-- Parameter:
//-- Port Number --> P_IOB_Dir,
//-- Data Buffer Pointer --> P_IOB_Data,
//-- Return:
//-- None
//--------------------------------------------------------------------
_SP_Import: .PROC
000094CD 88 DA PUSH BP,BP TO [SP];
000094CE 08 0B 01 00 BP = SP + 1;
000094D0 90 D4 PUSH R1,R2 TO [SP];
000094D1 03 92 R1 = [BP+3]; // Port Number
000094D2 04 94 R2 = [BP+4]; // Data Buffer Pointer
000094D3 C1 92 R1 = [R1] ;
000094D4 C2 D2 [R2] = R1 ;
000094D5 90 90 POP R1,R2 FROM [SP];
000094D6 88 98 POP BP,BP FROM [SP];
000094D7 90 9A RETF;
.ENDP
//--------------------------------------------------------------------
//-- Procedure: _SP_Export
//-- Syntax : SP_Export(Port Number,value)
//-- Description: Export value to I/O
//-- Parameter:
//-- Port Number --> Port_IOA_Data,Port_IOB_Data
//-- value
//-- Return:
//-- None
//--------------------------------------------------------------------
_SP_Export: .PROC
000094D8 88 DA PUSH BP,BP TO [SP];
000094D9 08 0B 01 00 BP = SP + 1;
000094DB 90 D4 PUSH R1,R2 TO [SP];
000094DC 03 92 R1 = [BP+3]; // Port Number
000094DD 04 94 R2 = [BP+4]; // Value
000094DE C1 D4 [R1] = R2 ;
000094DF 90 90 POP R1,R2 FROM [SP];
000094E0 88 98 POP BP,BP FROM [SP];
000094E1 90 9A RETF;
.ENDP
//========================================================================================
// End of sp_lib.asm
//========================================================================================
0 error(s), 0 warning(s).
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