.include "thumb2regs.s"

	.syntax	unified
	.fpu	vfp3
	.thumb

	.include "armmacros.s"

	.data
	.p2align	3

freadstring_error:
	.ascii	"Error in freadsubstring parameters."
	.byte	10,0
	.byte	0,0,0
fwritestring_error:
	.ascii	"Error in fwritesubstring parameters."
	.byte	10,0
	.byte	0,0
	.text

	.globl	stdioF
	.globl	stderrF
	.globl	openF
	.globl	closeF
	.globl	reopenF
	.globl	readFC
	.globl	readFI
	.globl	readFR
	.globl	readFS
	.globl	readFString
	.globl	readLineF
	.globl	writeFC
	.globl	writeFI
	.globl	writeFR
	.globl	writeFS
	.globl	writeFString
	.globl	endF
	.globl	errorF
	.globl	positionF
	.globl	seekF
	.globl	shareF
@	.globl	flushF
	.globl	openSF
	.globl	readSFC
	.globl	readSFI
	.globl	readSFR
	.globl	readSFS
	.globl	readLineSF
	.globl	endSF
	.globl	positionSF
	.globl	seekSF

@ imports

	.globl	open_file
	.globl	open_stdio
	.globl	open_stderr
	.globl	re_open_file
	.globl	close_file
	.globl	file_read_char
	.globl	file_read_int
	.globl	file_read_real
	.globl	file_read_characters
	.globl	file_read_line
	.globl	file_write_char
	.globl	file_write_int
	.globl	file_write_real
	.globl	file_write_characters
	.globl	file_end
	.globl	file_error
	.globl	file_position
	.globl	file_seek
	.globl	file_share
	.globl	open_s_file
	.globl	file_read_s_char
	.globl	file_read_s_int
	.globl	file_read_s_real
	.globl	file_read_s_string
	.globl	file_read_s_line
	.globl	file_s_end
	.globl	file_s_position
	.globl	file_s_seek

	.globl	collect_0
	.globl	collect_1

	.globl	__STRING__

@	.d 0 0
#	jsr	stdioF
#	.o 0 2 f

stdioF:
	mov	BSTACK_0,sp
	bic	BSTACK_1,BSTACK_0,#4
	mov	sp,BSTACK_1
	bl	open_stdio
	mov	sp,BSTACK_0

	mov	BSTACK_1,BSTACK_4
	mov	BSTACK_0,#-1
	ldr	lr,[sp],#4
	orr	lr,lr,#1
	mov	pc,lr

@	.d 0 0
@	jsr	stderrF
@	.o 0 2 f

stderrF:
	mov	BSTACK_0,sp
	bic	BSTACK_1,BSTACK_0,#4
	mov	sp,BSTACK_1
	bl	open_stderr
	mov	sp,BSTACK_0

	mov	BSTACK_1,BSTACK_4
	mov	BSTACK_0,#-1
	ldr	lr,[sp],#4
	orr	lr,lr,#1
	mov	pc,lr

@	.d 1 1 i
@	jsr	openF
@	.o 0 3 b f

openF:
	add	BSTACK_4,ASTACK_0,#4
	mov	BSTACK_3,BSTACK_0
	mov	BSTACK_0,sp
	bic	BSTACK_1,BSTACK_0,#4
	mov	sp,BSTACK_1
	bl	open_file
	mov	sp,BSTACK_0

	mov	BSTACK_1,BSTACK_4
	cmp	BSTACK_4,#0
	mov	BSTACK_0,#-1
	it mi
	movmi	BSTACK_2,#0
	it pl
	movpl	BSTACK_2,#1
	ldr	lr,[sp],#4
	orr	lr,lr,#1
	mov	pc,lr

@	.d 0 2 f
@	jsr	closeF
@	.o 0 1 b

closeF:
	mov	BSTACK_4,BSTACK_1
	mov	BSTACK_0,sp
	bic	BSTACK_1,BSTACK_0,#4
	mov	sp,BSTACK_1
	bl	close_file
	mov	sp,BSTACK_0
	mov	BSTACK_0,BSTACK_4
	ldr	lr,[sp],#4
	orr	lr,lr,#1
	mov	pc,lr

@	.d 0 3 f i
@	jsr reopenF
@	.o 0 3 b f

reopenF:
	mov	BSTACK_4,BSTACK_2
	mov	BSTACK_3,BSTACK_0
	mov	ASTACK_0,BSTACK_2
	mov	BSTACK_0,sp
	bic	BSTACK_1,BSTACK_0,#4
	mov	sp,BSTACK_1
	bl	re_open_file
	mov	sp,BSTACK_0

	neg	BSTACK_2,BSTACK_4
	mov	BSTACK_1,ASTACK_0
	mov	BSTACK_0,#-1
	ldr	lr,[sp],#4
	orr	lr,lr,#1
	mov	pc,lr

@	.d 0 2 f
@	jsr	readFC
@	.o 0 4 b c f

readFC:
	mov	BSTACK_4,BSTACK_1
	mov	ASTACK_0,BSTACK_1
	mov	BSTACK_0,sp
	bic	BSTACK_1,BSTACK_0,#4
	mov	sp,BSTACK_1
	bl	file_read_char
	mov	sp,BSTACK_0

	mov	BSTACK_1,ASTACK_0
	mov	BSTACK_0,#-1
	cmp	BSTACK_4,#-1
	beq	readFC_eof

	mov	BSTACK_2,BSTACK_4
	mov	BSTACK_3,#1
	ldr	lr,[sp],#4
	orr	lr,lr,#1
	mov	pc,lr
	
readFC_eof:
	mov	BSTACK_2,#0
	mov	BSTACK_1,#0
	ldr	lr,[sp],#4
	orr	lr,lr,#1
	mov	pc,lr

@	.d 0 2 f
@	jsr	readFI
@	.o 0 4 b i f

readFI:
	sub	sp,sp,#4
	mov	BSTACK_4,BSTACK_1
	mov	BSTACK_3,sp
	mov	ASTACK_0,BSTACK_1
	
	mov	BSTACK_0,sp
	bic	BSTACK_1,BSTACK_0,#4
	mov	sp,BSTACK_1
	bl	file_read_int
	mov	sp,BSTACK_0

	ldr	BSTACK_2,[sp],#4
	mov	BSTACK_1,ASTACK_0
	mov	BSTACK_0,#-1
	neg	BSTACK_3,BSTACK_4
	ldr	lr,[sp],#4
	orr	lr,lr,#1
	mov	pc,lr

@	.d 0 2 f
@	jsr	readFR
@	.o 0 5 b r f

readFR:
	mov	BSTACK_0,sp
	bic	BSTACK_1,BSTACK_0,#4
	mov	sp,BSTACK_1
	mov	BSTACK_4,BSTACK_1
	sub	sp,sp,#8
	mov	ASTACK_0,BSTACK_1
	mov	BSTACK_3,sp
	bl	file_read_real
	vldr.f64	d0,[sp]
	mov	sp,BSTACK_0
	mov	BSTACK_1,ASTACK_0
	mov	BSTACK_0,#-1
	neg	BSTACK_2,BSTACK_4
	ldr	lr,[sp],#4
	orr	lr,lr,#1
	mov	pc,lr

@	.d 0 3 f i
@	jsr readFS
@	.o 1 2 f

readFS:
	add	SCRATCH_REG,BSTACK_0,#8+3
	subs	BSTACK_3,HEAP_FREE,SCRATCH_REG,lsr #2
	blo	readFS_gc
readFS_r_gc:
	laol	SCRATCH_REG,__STRING__+2,__STRING___o_2,0
	otoa	SCRATCH_REG,__STRING___o_2,0
	str	SCRATCH_REG,[HEAP_PTR]
	add	BSTACK_3,HEAP_PTR,#4
	str	BSTACK_0,[HEAP_PTR,#4]
	mov	BSTACK_4,BSTACK_2
	mov	ASTACK_2,BSTACK_2
	add	BSTACK_2,HEAP_PTR,#8

	mov	BSTACK_0,sp
	bic	BSTACK_1,BSTACK_0,#4
	mov	sp,BSTACK_1
	bl	file_read_characters
	mov	sp,BSTACK_0
	mov	BSTACK_1,ASTACK_2

readFS_end:
	add	BSTACK_2,BSTACK_4,#8+3
	mov	ASTACK_0,HEAP_PTR
	and	BSTACK_2,BSTACK_2,#-4
	add	HEAP_PTR,HEAP_PTR,BSTACK_2
	sub	HEAP_FREE,HEAP_FREE,BSTACK_2,lsr #2
	mov	BSTACK_0,#-1
	ldr	lr,[sp],#4
	orr	lr,lr,#1
	mov	pc,lr

readFS_gc:
	mov	HEAP_FREE,BSTACK_3
	bl	collect_0
	add	SCRATCH_REG,BSTACK_0,#8+3
	add	HEAP_FREE,HEAP_FREE,SCRATCH_REG,lsr #2
	b	readFS_r_gc

@	.d 1 4 i i f
@	jsr readFString
@	.o 1 3 i f

readFString:
	ldr	BSTACK_4,[ASTACK_0,#4]
	cmp	BSTACK_3,BSTACK_4
	bhs	readFString_error

	sub	BSTACK_4,BSTACK_4,BSTACK_3
	cmp	BSTACK_2,BSTACK_4
	bhi	readFString_error

	str	BSTACK_2,[sp,#-4]!
	add	BSTACK_2,ASTACK_0,#8
	mov	BSTACK_4,BSTACK_1
	mov	ASTACK_2,BSTACK_1
	add	BSTACK_2,BSTACK_2,BSTACK_3
	mov	BSTACK_3,sp
	
	mov	BSTACK_0,sp
	bic	BSTACK_1,BSTACK_0,#4
	mov	sp,BSTACK_1
	bl	file_read_characters
	mov	sp,BSTACK_0
	mov	BSTACK_1,ASTACK_2

	ldr	BSTACK_2,[sp],#4

	mov	BSTACK_0,#-1
	ldr	lr,[sp],#4
	orr	lr,lr,#1
	mov	pc,lr

readFString_error:
	lao	ASTACK_2,freadstring_error,0
	otoa	ASTACK_2,freadstring_error,0
	b	print_error

@	.d 0 2 f
@	jsr readLineF
@	.o 1 2 f

readLineF:
	subs	BSTACK_2,HEAP_FREE,#32+2
	blo	readLineF_gc

readLineF_r_gc:
	laol	SCRATCH_REG,__STRING__+2,__STRING___o_2,1
	otoa	SCRATCH_REG,__STRING___o_2,1
	add	BSTACK_2,HEAP_PTR,#8
	str	SCRATCH_REG,[HEAP_PTR]
	lsl	BSTACK_3,HEAP_FREE,#2
	mov	BSTACK_4,BSTACK_1
	sub	BSTACK_3,BSTACK_3,#8
	mov	ASTACK_1,BSTACK_3
	mov	ASTACK_2,BSTACK_1
	mov	BSTACK_0,sp
	bic	BSTACK_1,BSTACK_0,#4
	mov	sp,BSTACK_1
	bl	file_read_line
	mov	sp,BSTACK_0
	mov	BSTACK_1,ASTACK_2

	str	BSTACK_4,[HEAP_PTR,#4]

	cmp	BSTACK_4,#0
	bpl	readFS_end

	mov	ASTACK_0,HEAP_PTR

readLineF_again:
	str	ASTACK_1,[ASTACK_0,#4]

	add	HEAP_PTR,#8
	mov	HEAP_FREE,#-(32+4)
	add	HEAP_PTR,HEAP_PTR,ASTACK_1
	sub	HEAP_FREE,HEAP_FREE,ASTACK_1,lsr #2
	bl	collect_1

	ldr	BSTACK_0,[ASTACK_0,#4]
	add	HEAP_FREE,HEAP_FREE,#32+4
	add	ASTACK_3,ASTACK_0,#8

	add	HEAP_FREE,HEAP_FREE,BSTACK_0,lsr #2

	laol	SCRATCH_REG,__STRING__+2,__STRING___o_2,2
	otoa	SCRATCH_REG,__STRING___o_2,2
	mov	ASTACK_0,HEAP_PTR
	add	BSTACK_3,HEAP_PTR,HEAP_FREE,lsl #2
	str	SCRATCH_REG,[HEAP_PTR]

	add	BSTACK_2,BSTACK_0,#3
	lsr	BSTACK_2,BSTACK_2,#2

	str	BSTACK_0,[HEAP_PTR,#4]
	add	HEAP_PTR,HEAP_PTR,#8
	b	st_copy_string1

copy_st_lp1:
	ldr	SCRATCH_REG,[ASTACK_3],#4
	str	SCRATCH_REG,[HEAP_PTR],#4
st_copy_string1:
	subs	BSTACK_2,BSTACK_2,#1
	bcs	copy_st_lp1

	mov	BSTACK_2,HEAP_PTR
	sub	BSTACK_3,BSTACK_3,HEAP_PTR
	mov	BSTACK_4,BSTACK_1
	mov	ASTACK_2,BSTACK_1

	add	ASTACK_1,BSTACK_3,BSTACK_0

	mov	BSTACK_0,sp
	bic	BSTACK_1,BSTACK_0,#4
	mov	sp,BSTACK_1
	bl	file_read_line
	mov	sp,BSTACK_0
	mov	BSTACK_1,ASTACK_2

	cmp	BSTACK_4,#0
	bmi	readLineF_again

	ldr	BSTACK_0,[ASTACK_0,#4]
	add	BSTACK_0,BSTACK_0,BSTACK_4
	str	BSTACK_0,[ASTACK_0,#4]
	add	SCRATCH_REG,BSTACK_4,#3
	and	SCRATCH_REG,SCRATCH_REG,#-4
	add	HEAP_PTR,HEAP_PTR,SCRATCH_REG
	add	SCRATCH_REG,BSTACK_0,#8+3
	sub	HEAP_FREE,HEAP_FREE,SCRATCH_REG,lsr #2
	mov	BSTACK_0,#-1
	ldr	lr,[sp],#4
	orr	lr,lr,#1
	mov	pc,lr

readLineF_gc:
	mov	HEAP_FREE,BSTACK_2
	bl	collect_0
	add	HEAP_FREE,HEAP_FREE,#32+2
	b	readLineF_r_gc

@	.d 0 3 i f
@	jsr writeFI
@	.o 0 2 f

writeFC:
	mov	ASTACK_0,BSTACK_1
	mov	BSTACK_3,BSTACK_1
	mov	BSTACK_4,BSTACK_2

	mov	BSTACK_0,sp
	bic	BSTACK_1,BSTACK_0,#4
	mov	sp,BSTACK_1
	bl	file_write_char
 	mov	sp,BSTACK_0

	mov	BSTACK_1,ASTACK_0
	mov	BSTACK_0,#-1
	ldr	lr,[sp],#4
	orr	lr,lr,#1
	mov	pc,lr

@	.d 0 3 i f
@	jsr writeFI
@	.o 0 2 f

writeFI:
	mov	ASTACK_0,BSTACK_1
	mov	BSTACK_3,BSTACK_1
	mov	BSTACK_4,BSTACK_2

	mov	BSTACK_0,sp
	bic	BSTACK_1,BSTACK_0,#4
	mov	sp,BSTACK_1
	bl	file_write_int
 	mov	sp,BSTACK_0

	mov	BSTACK_1,ASTACK_0
	mov	BSTACK_0,#-1
	ldr	lr,[sp],#4
	orr	lr,lr,#1
	mov	pc,lr

@	.d 0 4 r f
@	jsr writeFR
@	.o 0 2 f

writeFR:
	mov	ASTACK_0,BSTACK_1
	mov	BSTACK_4,BSTACK_1

	mov	BSTACK_0,sp
	bic	BSTACK_1,BSTACK_0,#4
	mov	sp,BSTACK_1
 	bl	file_write_real
 	mov	sp,BSTACK_0

	mov	BSTACK_1,ASTACK_0
	mov	BSTACK_0,#-1
	ldr	lr,[sp],#4
	orr	lr,lr,#1
	mov	pc,lr

@	.d 1 2 f
@	jsr writeFS
@	.o 0 2 f

writeFS:
	mov	BSTACK_2,BSTACK_1
	ldr	BSTACK_3,[ASTACK_0,#4]
	add	BSTACK_4,ASTACK_0,#8	
	mov	ASTACK_0,BSTACK_1

	mov	BSTACK_0,sp
	bic	BSTACK_1,BSTACK_0,#4
	mov	sp,BSTACK_1
	bl	file_write_characters
 	mov	sp,BSTACK_0

	mov	BSTACK_1,ASTACK_0
	mov	BSTACK_0,#-1
	ldr	lr,[sp],#4
	orr	lr,lr,#1
	mov	pc,lr

@	.d 1 4 i i f
@	jsr writeFString
@	.o 0 2 f

writeFString:
	ldr	BSTACK_4,[ASTACK_0,#4]
	cmp	BSTACK_3,BSTACK_4
	bhs	writeFString_error

	sub	BSTACK_4,BSTACK_4,BSTACK_3
	cmp	BSTACK_2,BSTACK_4
	bhi	writeFString_error

	mov	BSTACK_3,BSTACK_2
	mov	BSTACK_2,BSTACK_1
	add	BSTACK_4,ASTACK_0,#8
	mov	ASTACK_0,BSTACK_1
	add	BSTACK_4,BSTACK_4,BSTACK_3

	mov	BSTACK_0,sp
	bic	BSTACK_1,BSTACK_0,#4
	mov	sp,BSTACK_1
	bl	file_write_characters
 	mov	sp,BSTACK_0

	mov	BSTACK_1,ASTACK_0
	mov	BSTACK_0,#-1
	ldr	lr,[sp],#4
	orr	lr,lr,#1
	mov	pc,lr

writeFString_error:
	lao	ASTACK_2,fwritestring_error,0
	otoa	ASTACK_2,fwritestring_error,0
	b	print_error

@	.d 0 2 f
@	jsr endF
@	.o 0 3 b f

endF:
	mov	BSTACK_4,BSTACK_1
	mov	ASTACK_0,BSTACK_1

	mov	BSTACK_0,sp
	bic	BSTACK_1,BSTACK_0,#4
	mov	sp,BSTACK_1
	bl	file_end
 	mov	sp,BSTACK_0

	neg	BSTACK_2,BSTACK_4
	mov	BSTACK_1,ASTACK_0
	mov	BSTACK_0,#-1
	ldr	lr,[sp],#4
	orr	lr,lr,#1
	mov	pc,lr

@	.d 0 2 f
@	jsr errorF
@	.o 0 3 b f

errorF:
	mov	BSTACK_4,BSTACK_1
	mov	ASTACK_0,BSTACK_1

	mov	BSTACK_0,sp
	bic	BSTACK_1,BSTACK_0,#4
	mov	sp,BSTACK_1
	bl	file_error
 	mov	sp,BSTACK_0

	neg	BSTACK_2,BSTACK_4
	mov	BSTACK_1,ASTACK_0
	mov	BSTACK_0,#-1
	ldr	lr,[sp],#4
	orr	lr,lr,#1
	mov	pc,lr

@	.d 0 2 f
@	jsr positionF
@	.o 0 3 i f

positionF:
	mov	BSTACK_4,BSTACK_1
	mov	ASTACK_0,BSTACK_1

	mov	BSTACK_0,sp
	bic	BSTACK_1,BSTACK_0,#4
	mov	sp,BSTACK_1
	bl	file_position
 	mov	sp,BSTACK_0

	mov	BSTACK_2,BSTACK_4
	mov	BSTACK_1,ASTACK_0
	mov	BSTACK_0,#-1
	ldr	lr,[sp],#4
	orr	lr,lr,#1
	mov	pc,lr

@	.d 0 4 f i i
@	jsr seekF
@	.o 0 3 b f

seekF:
	mov	BSTACK_4,BSTACK_3
	mov	ASTACK_0,BSTACK_3
	mov	BSTACK_3,BSTACK_1
	mov	BSTACK_2,BSTACK_0

	mov	BSTACK_0,sp
	bic	BSTACK_1,BSTACK_0,#4
	mov	sp,BSTACK_1
	bl	file_seek
 	mov	sp,BSTACK_0

	neg	BSTACK_2,BSTACK_4
	mov	BSTACK_1,ASTACK_0
	mov	BSTACK_0,#-1
	ldr	lr,[sp],#4
	orr	lr,lr,#1
	mov	pc,lr

@	.d 0 2 f
@	jsr shareF
@	.o 0 2 f

shareF:
	mov	BSTACK_4,BSTACK_3
	mov	ASTACK_0,BSTACK_1

	mov	BSTACK_0,sp
	bic	BSTACK_1,BSTACK_0,#4
	mov	sp,BSTACK_1
	bl	file_share
 	mov	sp,BSTACK_0

	mov	BSTACK_1,ASTACK_0
	mov	BSTACK_0,#-1
	ldr	lr,[sp],#4
	orr	lr,lr,#1
	mov	pc,lr

@	.d 1 1 i
@	jsr	openSF
@	.o 0 3 b f

openSF:
	mov	BSTACK_4,BSTACK_0
	add	BSTACK_3,ASTACK_0,#4
	mov	ASTACK_0,BSTACK_1

	mov	BSTACK_0,sp
	bic	BSTACK_1,BSTACK_0,#4
	mov	sp,BSTACK_1
	bl	open_s_file
 	mov	sp,BSTACK_0

	cmp	BSTACK_4,#0
	it mi
	movmi	BSTACK_2,#0
	it pl
	movpl	BSTACK_2,#1

	mov	BSTACK_1,ASTACK_0
	mov	BSTACK_0,#0
	ldr	lr,[sp],#4
	orr	lr,lr,#1
	mov	pc,lr

@	.d 0 2 f
@	jsr	readSFC
@	.o 0 4 b c f

readSFC:
	str	BSTACK_0,[sp,#-4]!
	mov	ASTACK_0,BSTACK_1
	mov	BSTACK_3,sp
	mov	BSTACK_4,BSTACK_1

	mov	BSTACK_0,sp
	bic	BSTACK_1,BSTACK_0,#4
	mov	sp,BSTACK_1
	bl	file_read_s_char
 	mov	sp,BSTACK_0

	ldr	BSTACK_0,[sp],#4
	mov	BSTACK_1,ASTACK_0

	mov	BSTACK_2,BSTACK_4
	cmp	BSTACK_4,#-1
	beq	readSFC_eof

	mov	BSTACK_3,#1
	ldr	lr,[sp],#4
	orr	lr,lr,#1
	mov	pc,lr

readSFC_eof:
	mov	BSTACK_2,#0
	mov	BSTACK_3,#0
	ldr	lr,[sp],#4
	orr	lr,lr,#1
	mov	pc,lr

@	.d 0 2 f
@	jsr	readSFI
@	.o 0 4 b i f

readSFI:
	str	BSTACK_0,[sp,#-4]!
	mov	ASTACK_0,BSTACK_1
	mov	BSTACK_2,sp
	sub	BSTACK_3,sp,#4
	sub	sp,sp,#4
	mov	BSTACK_4,BSTACK_1

	mov	BSTACK_0,sp
	bic	BSTACK_1,BSTACK_0,#4
	mov	sp,BSTACK_1
	bl	file_read_s_int
 	mov	sp,BSTACK_0

	neg	BSTACK_3,BSTACK_4
	ldr	BSTACK_2,[sp],#4
	mov	BSTACK_1,ASTACK_0
	ldr	BSTACK_0,[sp],#4
	ldr	lr,[sp],#4
	orr	lr,lr,#1
	mov	pc,lr

@	.d 0 2 f
@	jsr	readSFR
@	.o 0 5 b r f

readSFR:
	str	BSTACK_0,[sp,#-4]!
	mov	ASTACK_0,BSTACK_1
	mov	BSTACK_2,sp

	mov	BSTACK_0,sp
	bic	BSTACK_1,BSTACK_0,#4
	mov	sp,BSTACK_1
	mov	BSTACK_4,BSTACK_1
	sub	BSTACK_3,sp,#8
	sub	sp,sp,#8
	bl	file_read_s_real
	vldr.f64	d0,[sp]
	mov	sp,BSTACK_0

	mov	BSTACK_1,ASTACK_0
	ldr	BSTACK_0,[sp],#4
	neg	BSTACK_2,BSTACK_4	
	ldr	lr,[sp],#4
	orr	lr,lr,#1
	mov	pc,lr

@	.d 0 3 f i
@	jsr readSFS
@	.o 1 2 f

readSFS:
	add	SCRATCH_REG,BSTACK_0,#8+3
	subs	BSTACK_2,HEAP_FREE,SCRATCH_REG,lsr #2
	blo	readSFS_gc

readSFS_r_gc:
	laol	SCRATCH_REG,__STRING__+2,__STRING___o_2,3
	otoa	SCRATCH_REG,__STRING___o_2,3
	str	SCRATCH_REG,[HEAP_PTR]
	mov	BSTACK_3,BSTACK_0
	mov	BSTACK_4,BSTACK_2
	mov	ASTACK_2,BSTACK_2
	add	BSTACK_2,HEAP_PTR,#4
	str	BSTACK_1,[sp,#-4]!
	mov	BSTACK_1,sp

	mov	BSTACK_0,sp
	bic	BSTACK_1,BSTACK_0,#4
	mov	sp,BSTACK_1
	bl	file_read_s_string
	mov	sp,BSTACK_0
	mov	BSTACK_1,ASTACK_2

	ldr	BSTACK_0,[sp],#4

readSFS_end:
	add	BSTACK_2,BSTACK_4,#8+3
	mov	ASTACK_0,HEAP_PTR
	and	BSTACK_2,BSTACK_2,#-4
	add	HEAP_PTR,HEAP_PTR,BSTACK_2
	sub	HEAP_FREE,HEAP_FREE,BSTACK_2,lsr #2
	ldr	lr,[sp],#4
	orr	lr,lr,#1
	mov	pc,lr

readSFS_gc:
	mov	HEAP_FREE,BSTACK_2
	bl	collect_0
	add	SCRATCH_REG,BSTACK_0,#8+3
	add	HEAP_FREE,HEAP_FREE,SCRATCH_REG,lsr #2
	b	readSFS_r_gc

@	.d 0 2 f
@	jsr readLineSF
@	.o 1 2 f

readLineSF:
	subs	BSTACK_2,HEAP_FREE,#32+2
	blo	readLineSF_gc

readLineSF_r_gc:
	laol	SCRATCH_REG,__STRING__+2,__STRING___o_2,4
	otoa	SCRATCH_REG,__STRING___o_2,4
	add	BSTACK_2,HEAP_PTR,#8
	str	SCRATCH_REG,[HEAP_PTR]
	lsl	BSTACK_3,HEAP_FREE,#2
	mov	BSTACK_4,BSTACK_1
	sub	BSTACK_3,BSTACK_3,#8
	mov	ASTACK_1,BSTACK_3
	mov	ASTACK_2,BSTACK_1
	str	BSTACK_0,[sp,#-4]!
	mov	BSTACK_1,sp
	mov	BSTACK_0,sp
	bic	BSTACK_1,BSTACK_0,#4
	mov	sp,BSTACK_1
	bl	file_read_s_line
	mov	sp,BSTACK_0
	mov	BSTACK_1,ASTACK_2
	ldr	BSTACK_0,[sp],#4

	str	BSTACK_4,[HEAP_PTR,#4]

	cmp	BSTACK_4,#0
	bpl	readSFS_end

	mov	ASTACK_0,HEAP_PTR

readLineSF_again:
	str	ASTACK_1,[ASTACK_0,#4]

	add	HEAP_PTR,#8
	mov	HEAP_FREE,#-(32+4)
	add	HEAP_PTR,HEAP_PTR,ASTACK_1
	sub	HEAP_FREE,HEAP_FREE,ASTACK_1,lsr #2
	bl	collect_1

	ldr	BSTACK_2,[ASTACK_0,#4]
	add	HEAP_FREE,HEAP_FREE,#32+4
	add	ASTACK_3,ASTACK_0,#8

	add	HEAP_FREE,HEAP_FREE,BSTACK_2,lsr #2

	laol	SCRATCH_REG,__STRING__+2,__STRING___o_2,5
	otoa	SCRATCH_REG,__STRING___o_2,5
	add	BSTACK_3,HEAP_PTR,HEAP_FREE,lsl #2
	str	SCRATCH_REG,[HEAP_PTR]

	add	ASTACK_0,BSTACK_2,#3
	lsr	ASTACK_0,ASTACK_0,#2

	str	BSTACK_2,[HEAP_PTR,#4]
	add	HEAP_PTR,HEAP_PTR,#8
	b	st_copy_string2

copy_st_lp2:
	ldr	SCRATCH_REG,[ASTACK_3],#4
	str	SCRATCH_REG,[HEAP_PTR],#4
st_copy_string2:
	subs	ASTACK_0,ASTACK_0,#1
	bcs	copy_st_lp2

	sub	BSTACK_3,BSTACK_3,HEAP_PTR
	mov	BSTACK_4,BSTACK_1
	mov	ASTACK_2,BSTACK_1

	add	ASTACK_1,BSTACK_3,BSTACK_2
	mov	BSTACK_2,HEAP_PTR
	str	BSTACK_0,[sp,#-4]!
	mov	BSTACK_1,sp
	mov	BSTACK_0,sp
	bic	BSTACK_1,BSTACK_0,#4
	mov	sp,BSTACK_1
	bl	file_read_s_line
	mov	sp,BSTACK_0
	mov	BSTACK_1,ASTACK_2
	ldr	BSTACK_0,[sp],#4

	ldr	ASTACK_0,[sp],#4

	cmp	BSTACK_4,#0
	bmi	readLineSF_again

	ldr	BSTACK_2,[ASTACK_0,#4]
	add	BSTACK_2,BSTACK_2,BSTACK_4
	str	BSTACK_2,[ASTACK_0,#4]
	add	SCRATCH_REG,BSTACK_4,#3
	and	SCRATCH_REG,SCRATCH_REG,#-4
	add	HEAP_PTR,HEAP_PTR,SCRATCH_REG
	add	SCRATCH_REG,BSTACK_2,#8+3
	sub	HEAP_FREE,HEAP_FREE,SCRATCH_REG,lsr #2
	ldr	lr,[sp],#4
	orr	lr,lr,#1
	mov	pc,lr

readLineSF_gc:
	mov	HEAP_FREE,BSTACK_2
	bl	collect_0
	add	HEAP_FREE,HEAP_FREE,#32+2
	b	readLineSF_r_gc

@	.d 0 2 f
@	jsr endSF
@	.o 0 1 b

endSF:
	mov	BSTACK_3,BSTACK_0
	mov	BSTACK_4,BSTACK_1

	mov	BSTACK_0,sp
	bic	BSTACK_1,BSTACK_0,#4
	mov	sp,BSTACK_1
	bl	file_s_end
 	mov	sp,BSTACK_0

	neg	BSTACK_0,BSTACK_4
	ldr	lr,[sp],#4
	orr	lr,lr,#1
	mov	pc,lr

@	.d 0 2 f
@	jsr positionSF
@	.o 0 1 i

positionSF:
	mov	BSTACK_3,BSTACK_0
	mov	BSTACK_4,BSTACK_1

	mov	BSTACK_0,sp
	bic	BSTACK_1,BSTACK_0,#4
	mov	sp,BSTACK_1
	bl	file_s_position
 	mov	sp,BSTACK_0

	mov	BSTACK_0,BSTACK_4
	ldr	lr,[sp],#4
	orr	lr,lr,#1
	mov	pc,lr

@	.d 0 4 f i i
@	jsr seekSF
@	.o 0 3 b f

seekSF:
	str	BSTACK_0,[sp,#-4]!
	mov	ASTACK_0,BSTACK_1
	mov	BSTACK_4,BSTACK_1
@	mov	BSTACK_3,BSTACK_3
@	mov	BSTACK_2,BSTACK_2
	mov	BSTACK_1,sp
	
	mov	BSTACK_0,sp
	bic	BSTACK_1,BSTACK_0,#4
	mov	sp,BSTACK_1
	bl	file_s_seek
 	mov	sp,BSTACK_0

	neg	BSTACK_2,BSTACK_4
	ldr	BSTACK_0,[sp],#4
	mov	BSTACK_1,ASTACK_0
	ldr	lr,[sp],#4
	orr	lr,lr,#1
	mov	pc,lr

.ifdef PIC
	lto	freadstring_error,0
	ltol	__STRING__+2,__STRING___o_2,0
	ltol	__STRING__+2,__STRING___o_2,1
	ltol	__STRING__+2,__STRING___o_2,2
	lto	fwritestring_error,0
	ltol	__STRING__+2,__STRING___o_2,3
	ltol	__STRING__+2,__STRING___o_2,4
	ltol	__STRING__+2,__STRING___o_2,5
.endif