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[/] [tv80/] [trunk/] [sc_env/] [app_localcfg/] [zsrc/] [sample_crt0.asm] - Blame information for rev 106

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        ;; Generic crt0.s for a Z80
        .module bintr_crt0
        .globl  _main
        .globl  _isr
        .globl  _nmi_isr
 
        .area _HEADER (ABS)
        ;; Reset vector
        .org    0
        jp      init
 
        .org    0x08
        reti
        .org    0x10
        reti
        .org    0x18
        reti
        .org    0x20
        reti
        .org    0x28
        reti
        .org    0x30
        reti
        .org    0x38
        di
        push    af
        call _isr
        pop     af
        ei
        reti
 
        .org    0x66
        push    af
        call    _nmi_isr
        pop     af
        retn
 
        .org    0x100
init:
        ;; Stack at the top of memory.
        ld      sp,#0x7fff
 
    ;; enable interrupts
        im      1
        ei
 
        ;; Initialise global variables
        call    _main
        jp      _exit
 
        ;; Ordering of segments for the linker.
        .area   _HOME
        .area   _CODE
        .area   _GSINIT
        .area   _GSFINAL
 
        .area   _DATA
        .area   _BSS
        .area   _HEAP
 
        .area   _CODE
__clock::
        ld      a,#2
        rst     0x08
        ret
 
_exit::
        ;; Exit - special code to the emulator
        ld      a,#0
        rst     0x08
1$:
        halt
        jr      1$
 
        .area   _GSINIT
gsinit::
 
        .area   _GSFINAL
        ret

Line No.	Rev	Author	Line
1	106	ghutchis	`;; Generic crt0.s for a Z80`
2			`.module bintr_crt0`
3			`.globl _main`
4			`.globl _isr`
5			`.globl _nmi_isr`
6
7			`.area _HEADER (ABS)`
8			`;; Reset vector`
9			`.org 0`
10			`jp init`
11
12			`.org 0x08`
13			`reti`
14			`.org 0x10`
15			`reti`
16			`.org 0x18`
17			`reti`
18			`.org 0x20`
19			`reti`
20			`.org 0x28`
21			`reti`
22			`.org 0x30`
23			`reti`
24			`.org 0x38`
25			`di`
26			`push af`
27			`call _isr`
28			`pop af`
29			`ei`
30			`reti`
31
32			`.org 0x66`
33			`push af`
34			`call _nmi_isr`
35			`pop af`
36			`retn`
37
38			`.org 0x100`
39			`init:`
40			`;; Stack at the top of memory.`
41			`ld sp,#0x7fff`
42
43			`;; enable interrupts`
44			`im 1`
45			`ei`
46
47			`;; Initialise global variables`
48			`call _main`
49			`jp _exit`
50
51			`;; Ordering of segments for the linker.`
52			`.area _HOME`
53			`.area _CODE`
54			`.area _GSINIT`
55			`.area _GSFINAL`
56
57			`.area _DATA`
58			`.area _BSS`
59			`.area _HEAP`
60
61			`.area _CODE`
62			`__clock::`
63			`ld a,#2`
64			`rst 0x08`
65			`ret`
66
67			`_exit::`
68			`;; Exit - special code to the emulator`
69			`ld a,#0`
70			`rst 0x08`
71			`1$:`
72			`halt`
73			`jr 1$`
74
75			`.area _GSINIT`
76			`gsinit::`
77
78			`.area _GSFINAL`
79			`ret`

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[/] [tv80/] [trunk/] [sc_env/] [app_localcfg/] [zsrc/] [sample_crt0.asm] - Blame information for rev 106