?? kbc.s
字號:
.module kbc.c
.area lit(rom, con, rel)
_unshifted::
.byte 13,9
.byte 14,96
.byte 21,'q
.byte 22,49
.byte 26,'z
.byte 27,'s
.byte 28,'a
.byte 29,'w
.byte 30,50
.byte 33,'c
.byte 34,'x
.byte 35,'d
.byte 36,'e
.byte 37,52
.byte 38,51
.byte 41,32
.byte 42,'v
.byte 43,'f
.byte 44,'t
.byte 45,'r
.byte 46,53
.byte 49,'n
.byte 50,'b
.byte 51,'h
.byte 52,'g
.byte 53,'y
.byte 54,54
.byte 57,44
.byte 58,'m
.byte 59,'j
.byte 60,'u
.byte 61,55
.byte 62,56
.byte 'A,44
.byte 'B,'k
.byte 'C,'i
.byte 'D,'o
.byte 'E,48
.byte 'F,57
.byte 'I,46
.byte 'J,47
.byte 'K,'l
.byte 'L,59
.byte 'M,'p
.byte 'N,45
.byte 'R,39
.byte 'T,91
.byte 'U,61
.byte 'Z,13
.byte 91,93
.byte 93,92
.byte 'a,60
.byte 'f,8
.byte 'i,49
.byte 'k,52
.byte 'l,55
.byte 'p,48
.byte 'q,44
.byte 'r,50
.byte 's,53
.byte 't,54
.byte 'u,56
.byte 'y,43
.byte 'z,51
.byte 123,45
.byte 124,42
.byte 125,57
.byte 0,0
.dbfile D:\ICC-AVR\examples.sl\pc_8535/scancodes.h
.dbsym s unshifted _unshifted A[136:68:2]c
_shifted::
.byte 13,9
.byte 14,126
.byte 21,'Q
.byte 22,33
.byte 26,'Z
.byte 27,'S
.byte 28,'A
.byte 29,'W
.byte 30,64
.byte 33,'C
.byte 34,'X
.byte 35,'D
.byte 36,'E
.byte 37,36
.byte 38,35
.byte 41,32
.byte 42,'V
.byte 43,'F
.byte 44,'T
.byte 45,'R
.byte 46,37
.byte 49,'N
.byte 50,'B
.byte 51,'H
.byte 52,'G
.byte 53,'Y
.byte 54,94
.byte 57,'L
.byte 58,'M
.byte 59,'J
.byte 60,'U
.byte 61,38
.byte 62,42
.byte 'A,60
.byte 'B,'K
.byte 'C,'I
.byte 'D,'O
.byte 'E,41
.byte 'F,40
.byte 'I,62
.byte 'J,63
.byte 'K,'L
.byte 'L,58
.byte 'M,'P
.byte 'N,95
.byte 'R,34
.byte 'T,123
.byte 'U,43
.byte 'Z,13
.byte 91,125
.byte 93,124
.byte 'a,62
.byte 'f,8
.byte 'i,49
.byte 'k,52
.byte 'l,55
.byte 'p,48
.byte 'q,44
.byte 'r,50
.byte 's,53
.byte 't,54
.byte 'u,56
.byte 'y,43
.byte 'z,51
.byte 123,45
.byte 124,42
.byte 125,57
.byte 0,0
.dbsym s shifted _shifted A[136:68:2]c
.area data(ram, con, rel)
.dbfile D:\ICC-AVR\examples.sl\pc_8535/scancodes.h
_input::
.blkb 1
.area idata
.byte 0
.area data(ram, con, rel)
.dbfile D:\ICC-AVR\examples.sl\pc_8535/scancodes.h
.dbfile D:\ICC-AVR\examples.sl\pc_8535\kbc.c
.dbsym s input _input c
_output::
.blkb 1
.area idata
.byte 0
.area data(ram, con, rel)
.dbfile D:\ICC-AVR\examples.sl\pc_8535\kbc.c
.dbsym s output _output c
.area text(rom, con, rel)
.dbfile D:\ICC-AVR\examples.sl\pc_8535\kbc.c
.dbfunc s put_kbbuff _put_kbbuff fI
; c -> R16
.even
_put_kbbuff::
.dbline -1
.dbline 14
; #include <io8535.h>
; #include <macros.h>
; #include "pindefs.h"
; #include "scancodes.h"
; #define BUFF_SIZE 64
; //const ascii[16]={0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,
; // 0x39,0x41,0x42,0x43,0x44,0x45,0x46};
; unsigned char bitcount;//PC鍵盤數據長度計數
; unsigned char kb_buffer[BUFF_SIZE];//鍵盤緩沖區
; unsigned char input=0;//緩沖區讀指針
; unsigned char output=0;//緩沖區寫指針
; //送鍵盤按鍵ASCII碼到鍵盤緩沖區
; void put_kbbuff(unsigned char c)
; {
.dbline 15
; kb_buffer[input]=c;
ldi R24,<_kb_buffer
ldi R25,>_kb_buffer
lds R30,_input
clr R31
add R30,R24
adc R31,R25
std z+0,R16
.dbline 16
; if (input<(BUFF_SIZE-1))
lds R24,_input
cpi R24,63
brsh L2
.dbline 17
; input++;
subi R24,255 ; addi 1
sts _input,R24
rjmp L3
L2:
.dbline 19
clr R2
sts _input,R2
L3:
.dbline -2
.dbline 20
; else
; input=0;
; }
L1:
.dbline 0 ; func end
ret
.dbsym r c 16 c
.dbfunc s get_char _get_char fI
; temp -> R16
.even
_get_char::
.dbline -1
.dbline 23
; //從鍵盤緩沖區讀取按鍵的ASCII碼
; unsigned char get_char(void)
; {
.dbline 25
; unsigned char temp;
; if(output==input)
lds R2,_input
lds R3,_output
cp R3,R2
brne L5
.dbline 26
; return 0;
clr R16
rjmp L4
L5:
.dbline 28
; else
; {
.dbline 29
; temp=kb_buffer[output];
ldi R24,<_kb_buffer
ldi R25,>_kb_buffer
lds R30,_output
clr R31
add R30,R24
adc R31,R25
ldd R16,z+0
.dbline 30
; if(output<(BUFF_SIZE-1))
lds R24,_output
cpi R24,63
brsh L7
.dbline 31
; {
.dbline 32
; output++;
subi R24,255 ; addi 1
sts _output,R24
.dbline 33
; }
rjmp L8
L7:
.dbline 35
; else
; output=0;
clr R2
sts _output,R2
L8:
.dbline 36
; return temp;
.dbline -2
L4:
.dbline 0 ; func end
ret
.dbsym r temp 16 c
.dbfunc s init_kb _init_kb fI
.even
_init_kb::
.dbline -1
.dbline 41
; }
; }
; //為運行讀取PC鍵盤程序進行初始化
; void init_kb(void)
; {
.dbline 42
; MCUCR=0x02;//設置8515的INT0為下降沿觸發中斷
ldi R24,2
out 0x35,R24
.dbline 43
; GIMSK|=(1<<INT0);//使能INT0中斷
in R24,0x3b
ori R24,64
out 0x3b,R24
.dbline 44
; SEI(); //開中斷
sei
.dbline 45
; bitcount = 11;
ldi R24,11
sts _bitcount,R24
.dbline -2
.dbline 46
; }
L9:
.dbline 0 ; func end
ret
.area bss(ram, con, rel)
.dbfile D:\ICC-AVR\examples.sl\pc_8535\kbc.c
L11:
.blkb 1
L12:
.blkb 1
L13:
.blkb 1
.area text(rom, con, rel)
.dbfile D:\ICC-AVR\examples.sl\pc_8535\kbc.c
.dbfunc s decode _decode fI
.dbsym s shiftup L13 c
.dbsym s up L12 c
.dbsym s shift L11 c
; i -> R20
; sc -> R22
.even
_decode::
rcall push_gset3
mov R22,R16
.dbline -1
.dbline 49
; //對PC鍵盤的掃描碼進行解碼
; void decode(unsigned char sc)
; {
.dbline 52
; static unsigned char shift,up,shiftup;
; unsigned char i;
; if (sc==0xf0)//按鍵釋放
cpi R22,240
brne L14
.dbline 53
; {
.dbline 54
; up=1;
ldi R24,1
sts L12,R24
.dbline 55
; return;
rjmp L10
L14:
.dbline 57
; }
; if (up==1)//SHIF鍵開關
lds R24,L12
cpi R24,1
brne L16
.dbline 58
; {
.dbline 59
; up=0;
clr R2
sts L12,R2
.dbline 60
; if ((sc==0x12)|(sc==0x59)) shift=0;
cpi R22,18
brne L20
ldi R24,1
ldi R25,0
mov R10,R24
mov R11,R25
rjmp L21
L20:
clr R10
clr R11
L21:
cpi R22,89
brne L22
ldi R20,1
ldi R21,0
rjmp L23
L22:
clr R20
clr R21
L23:
mov R2,R10
mov R3,R11
or R2,R20
or R3,R21
tst R2
brne X1
tst R3
brne X2
rjmp L10
X2:
X1:
.dbline 60
clr R2
sts L11,R2
.dbline 61
; return;
rjmp L10
L16:
.dbline 63
; }
; switch (sc)
mov R20,R22
clr R21
cpi R20,18
ldi R30,0
cpc R21,R30
breq L27
cpi R20,18
ldi R30,0
cpc R21,R30
brlt L24
L47:
cpi R20,89
ldi R30,0
cpc R21,R30
breq L28
rjmp L24
X0:
.dbline 64
; {
L27:
.dbline 65
; case 0x12:{//檢測左SHIF鍵
.dbline 66
; shift=1;
ldi R24,1
sts L11,R24
.dbline 67
; shiftup=1;
sts L13,R24
.dbline 68
; }
L28:
.dbline 69
; case 0x59:{//檢測右SHIF鍵
.dbline 70
; shift=1;
ldi R24,1
sts L11,R24
.dbline 71
; shiftup=1;
sts L13,R24
.dbline 72
; }
L24:
.dbline 73
; default:{
.dbline 74
; if (shift==0)
lds R2,L11
tst R2
breq X3
rjmp L29
X3:
.dbline 75
; {
.dbline 76
clr R20
rjmp L34
L31:
.dbline 76
L32:
.dbline 76
inc R20
L34:
.dbline 76
; for(i = 0;unshifted[i][0]!=sc && unshifted[i][0]; i++);
ldi R24,<_unshifted
ldi R25,>_unshifted
mov R2,R20
clr R3
lsl R2
rol R3
add R2,R24
adc R3,R25
mov R30,R2
mov R31,R3
lpm
mov R2,R0
clr R3
mov R4,R22
clr R5
cp R2,R4
cpc R3,R5
breq L35
tst R2
brne L31
tst R3
brne L31
L35:
.dbline 77
; if (unshifted[i][0] == sc)
ldi R24,<_unshifted
ldi R25,>_unshifted
mov R2,R20
clr R3
lsl R2
rol R3
add R2,R24
adc R3,R25
mov R30,R2
mov R31,R3
lpm
cp R0,R22
breq X4
rjmp L30
X4:
.dbline 78
; put_kbbuff(unshifted[i][1]);
ldi R24,<_unshifted+1
ldi R25,>_unshifted+1
mov R2,R20
clr R3
lsl R2
rol R3
add R2,R24
adc R3,R25
mov R30,R2
mov R31,R3
lpm
mov R16,R0
rcall _put_kbbuff
.dbline 79
; }
rjmp L30
L29:
.dbline 81
; else
; {
.dbline 82
clr R20
rjmp L42
L39:
.dbline 82
L40:
.dbline 82
inc R20
L42:
.dbline 82
; for(i = 0;shifted[i][0]!=sc && shifted[i][0]; i++);
ldi R24,<_shifted
ldi R25,>_shifted
mov R2,R20
clr R3
lsl R2
rol R3
add R2,R24
adc R3,R25
mov R30,R2
mov R31,R3
lpm
mov R2,R0
clr R3
mov R4,R22
clr R5
cp R2,R4
cpc R3,R5
breq L43
tst R2
brne L39
tst R3
brne L39
L43:
.dbline 83
; if (shifted[i][0] == sc)
ldi R24,<_shifted
ldi R25,>_shifted
mov R2,R20
clr R3
lsl R2
rol R3
add R2,R24
adc R3,R25
mov R30,R2
mov R31,R3
lpm
cp R0,R22
brne L44
.dbline 84
; {
.dbline 85
; put_kbbuff(shifted[i][1]);
ldi R24,<_shifted+1
ldi R25,>_shifted+1
mov R2,R20
clr R3
lsl R2
rol R3
add R2,R24
adc R3,R25
mov R30,R2
mov R31,R3
lpm
mov R16,R0
rcall _put_kbbuff
.dbline 86
; }
L44:
.dbline 87
; }
L30:
.dbline 88
; }
.dbline 89
; }
.dbline -2
.dbline 90
; }
L10:
rcall pop_gset3
.dbline 0 ; func end
ret
.dbsym r i 20 c
.dbsym r sc 22 c
.area vector(rom, abs)
.org 2
rjmp _int0_isr
.area text(rom, con, rel)
.dbfile D:\ICC-AVR\examples.sl\pc_8535\kbc.c
.area bss(ram, con, rel)
.dbfile D:\ICC-AVR\examples.sl\pc_8535\kbc.c
L49:
.blkb 1
.area text(rom, con, rel)
.dbfile D:\ICC-AVR\examples.sl\pc_8535\kbc.c
.dbfunc s int0_isr _int0_isr fI
.dbsym s data L49 c
.even
_int0_isr::
rcall push_lset
rcall push_gset1
.dbline -1
.dbline 94
; //鍵盤數據讀取程序
; #pragma interrupt_handler int0_isr:2
; void int0_isr(void)
; {
.dbline 96
; static unsigned char data;
; switch (bitcount)
lds R20,_bitcount
clr R21
cpi R20,1
ldi R30,0
cpc R21,R30
breq L57
cpi R20,2
ldi R30,0
cpc R21,R30
breq L56
cpi R20,1
ldi R30,0
cpc R21,R30
brlt L50
L62:
cpi R20,11
ldi R30,0
cpc R21,R30
breq L53
rjmp L50
X5:
.dbline 97
; {
L53:
.dbline 98
; case 11:{
.dbline 99
; if ((PIN_KB&(1<<DATAPIN))!=0)
sbis 0x10,3
rjmp L54
.dbline 100
; return;
rjmp L48
L54:
.dbline 102
; else
; bitcount--;
lds R24,_bitcount
subi R24,1
sts _bitcount,R24
.dbline 103
; break;}
rjmp L51
L56:
.dbline 104
; case 2:{
.dbline 105
; bitcount--;
lds R24,_bitcount
subi R24,1
sts _bitcount,R24
.dbline 106
; break;}
rjmp L51
L57:
.dbline 107
; case 1:{
.dbline 108
; bitcount--;
lds R24,_bitcount
subi R24,1
sts _bitcount,R24
.dbline 109
; if ((PIN_KB&(1<<DATAPIN))==0)
sbic 0x10,3
rjmp L58
.dbline 110
; {
.dbline 111
; bitcount=11;
ldi R24,11
sts _bitcount,R24
.dbline 112
; return;
rjmp L48
L58:
.dbline 115
; }
; else
; {
.dbline 116
; bitcount=11;
ldi R24,11
sts _bitcount,R24
.dbline 117
; decode(data);
lds R16,L49
rcall _decode
.dbline 118
; }
.dbline 119
; break;}
rjmp L51
L50:
.dbline 120
; default:{
.dbline 121
; data = (data >> 1);
lds R2,L49
lsr R2
sts L49,R2
.dbline 122
; if((PIN_KB&(1<<DATAPIN))!=0)
sbis 0x10,3
rjmp L60
.dbline 123
; data|=0x80;
mov R24,R2
ori R24,128
sts L49,R24
L60:
.dbline 124
lds R24,_bitcount
subi R24,1
sts _bitcount,R24
.dbline 125
.dbline 126
L51:
.dbline -2
.dbline 127
; bitcount--;
; }
; }
; }
L48:
rcall pop_gset1
rcall pop_lset
.dbline 0 ; func end
reti
.area bss(ram, con, rel)
.dbfile D:\ICC-AVR\examples.sl\pc_8535\kbc.c
_kb_buffer::
.blkb 64
.dbsym s kb_buffer _kb_buffer A[64:64]c
_bitcount::
.blkb 1
.dbsym s bitcount _bitcount c
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