ledtest.lst

摩托罗拉单片机的数码管LED的原代码

NO DEBUG INFORMATION AVAILABLE!
__start:
__text_start:
    800A 45 0240      ldHX	#0x0240
    800D 94           tXS	
    800E CD 803F      jsr	__HC08Setup
    8011 45 0042      ldHX	#0x0042
    8014 65 0047      cpHX	#0x0047
    8017 27 06        beq	0x801F
    8019 6F 00        clr	0,X
    801B AF 01        aiX	#1
    801D 20 F5        bra	0x8014
    801F 45 0043      ldHX	#0x0043
    8022 94           tXS	
    8023 45 800A      ldHX	#0x800A
    8026 65 800A      cpHX	#0x800A
    8029 27 0B        beq	0x8036
    802B E6 00        ldA	0,X
    802D 9EE7 00      stA	0,S
    8030 AF 01        aiX	#1
    8032 A7 01        aiS	#1
    8034 20 F0        bra	0x8026
    8036 45 0240      ldHX	#0x0240
    8039 94           tXS	
    803A CD 8064      jsr	_main
_exit:
    803D 20 FE        bra	0x803D
__HC08Setup:
    803F A6 01        ldA	#1
    8041 B7 1E        stA	0x1E
    8043 A6 3D        ldA	#61
    8045 B7 1F        stA	0x1F
    8047 3F 36        clr	0x36
    8049 A6 01        ldA	#1
    804B B7 36        stA	0x36
    804D A6 01        ldA	#1
    804F B7 38        stA	0x38
    8051 A6 2C        ldA	#44
    8053 B7 39        stA	0x39
    8055 A6 80        ldA	#-128
    8057 B7 3A        stA	0x3A
    8059 A6 01        ldA	#1
    805B B7 3B        stA	0x3B
    805D 1A 36        Bset	5,0x36
    805F 1E 37        Bset	7,0x37
    8061 18 36        Bset	4,0x36
    8063 81           rts	
_main:
    8064 A7 FD        aiS	#-3
    8066 95           tSX	
    8067 A6 FF        ldA	#-1
    8069 B7 04        stA	0x04
    806B A6 FF        ldA	#-1
    806D B7 05        stA	0x05
    806F A6 03        ldA	#3
    8071 B7 43        stA	*_LEDbuf
    8073 A6 05        ldA	#5
    8075 B7 44        stA	*_LEDbuf+1
    8077 A6 06        ldA	#6
    8079 B7 45        stA	*_LEDbuf+2
    807B A6 08        ldA	#8
    807D B7 46        stA	*_LEDbuf+3
    807F A6 F7        ldA	#-9
    8081 B7 42        stA	*_CS
    8083 20 4B        bra	0x80D0
    8085 A6 F7        ldA	#-9
    8087 B7 42        stA	*_CS
    8089 7F           clr	0,X
    808A 20 3F        bra	0x80CB
    808C 3F 40        clr	*__r0
    808E F6           ldA	0,X
    808F AB 43        add	#67
    8091 B7 41        stA	*__r1
    8093 B6 40        ldA	*__r0
    8095 A9 00        adc	#0
    8097 B7 40        stA	*__r0
    8099 55 40        ldHX	*__r0
    809B F6           ldA	0,X
    809C 87           pshA	
    809D B6 42        ldA	*_CS
    809F 87           pshA	
    80A0 CD 80D5      jsr	_LEDshow1
    80A3 A7 02        aiS	#2
    80A5 95           tSX	
    80A6 34 42        lsr	*_CS
    80A8 6F 02        clr	2,X
    80AA 6F 01        clr	1,X
    80AC 20 0C        bra	0x80BA
    80AE E6 02        ldA	2,X
    80B0 AB 01        add	#1
    80B2 E7 02        stA	2,X
    80B4 E6 01        ldA	1,X
    80B6 A9 00        adc	#0
    80B8 E7 01        stA	1,X
    80BA E6 02        ldA	2,X
    80BC B7 41        stA	*__r1
    80BE E6 01        ldA	1,X
    80C0 B7 40        stA	*__r0
    80C2 55 40        ldHX	*__r0
    80C4 65 0005      cpHX	#0x0005
    80C7 95           tSX	
    80C8 25 E4        bcs	0x80AE
    80CA 7C           inc	0,X
    80CB F6           ldA	0,X
    80CC A1 03        cmp	#3
    80CE 23 BC        bls	0x808C
    80D0 20 B3        bra	0x8085
    80D2 A7 03        aiS	#3
    80D4 81           rts	
_LEDshow1:
    80D5 95           tSX	
    80D6 E6 02        ldA	2,X
    80D8 B7 01        stA	0x01
    80DA 3F 40        clr	*__r0
    80DC E6 03        ldA	3,X
    80DE AB 00        add	#0
    80E0 B7 41        stA	*__r1
    80E2 B6 40        ldA	*__r0
    80E4 A9 80        adc	#-128
    80E6 B7 40        stA	*__r0
    80E8 55 40        ldHX	*__r0
    80EA F6           ldA	0,X
    80EB 95           tSX	
    80EC B7 00        stA	0x00
    80EE 81           rts