File: m68hc11.inc

package info (click to toggle)
binutils-avr 2.26.20160125%2BAtmel3.6.1-4
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 365,520 kB
  • sloc: ansic: 2,480,046; asm: 892,791; exp: 188,218; cpp: 133,829; makefile: 63,887; sh: 32,194; yacc: 26,783; lisp: 16,707; xml: 7,490; perl: 6,449; python: 4,555; ada: 4,318; pascal: 3,174; lex: 2,250; cs: 879; sed: 334; f90: 298; awk: 168; objc: 134; java: 73; fortran: 43
file content (66 lines) | stat: -rw-r--r-- 1,154 bytes parent folder | download | duplicates (34) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
 
	comment "subroutine prologue"
	.macro gdbasm_enter
        ldx     _.frame
	pshx
	sts     _.frame
	.endm

	comment "subroutine epilogue"
	.macro gdbasm_leave
        pulx
        stx     _.frame
	rts
	.endm

	.macro gdbasm_call subr
	jsr	\subr
	.endm

	.macro gdbasm_several_nops
	nop
	nop
	nop
	nop
	.endm

	comment "exit (0)"
	.macro gdbasm_exit0
        clra
        clrb
        wai
	.endm

	comment "crt0 startup"
	.macro gdbasm_startup
        .sect .data
        .globl _.frame
_.frame: .word 0
        .previous
        lds     #0x2000
        ; the linker script maps the data section in ROM (LMA) for its initial
        ; content and in RAM (VMA) for its runtime value.  We have to do
        ; what the default crt0 does: copy the ROM part in RAM.
        ; (otherwise any 'globalvar' appears uninitialized)
	ldx	#__data_image
	ldy	#__data_section_start
	bra	Start_map
Loop:
	ldaa	0,x
	staa	0,y
	inx
	iny
Start_map:
	cpx	#__data_image_end
	blo	Loop
Done:
        clr     _.frame
        clr     _.frame+1
	.endm

	comment "Declare a data variable"
	.purgem gdbasm_datavar
	.macro gdbasm_datavar name value
	.data
\name:
	.word	\value
	.endm