Continued to lesson 28

lesson19/l19.asm

@@ -0,0 +1,24 @@
+
+; %include '../lib/fl.asm' ; local
+%include 'lib/fl.asm' ; build.sh
+
+SECTION	.data
+command		db	'/bin/echo', 0h
+arg1		db	'Hello World!', 0h
+arguments	dd	command
+		dd	arg1
+		dd	0h
+environment	dd	0h
+
+SECTION	.text
+global	_start
+
+_start:
+mov	edx, environment
+mov	ecx, arguments
+mov	ebx, command
+mov	eax, 11
+int	80h
+
+call	quit
+

lesson20/l20.asm

@@ -0,0 +1,28 @@
+
+; %include '../lib/fl.asm' ; local
+%include 'lib/fl.asm' ; build.sh
+
+SECTION	.data
+childMsg	db	'Child process', 0h
+parentMsg	db	'Parent process', 0h
+
+SECTION	.text
+global	_start
+
+_start:
+mov	eax, 2
+int	80h
+
+cmp	eax, 0
+jz	child
+
+parent:
+mov	eax, parentMsg
+call	sprintLF
+call	quit
+
+child:
+mov	eax, childMsg
+call	sprintLF
+call	quit
+

lesson21/l21.asm

@@ -0,0 +1,20 @@
+
+; %include '../lib/fl.asm' ; local
+%include 'lib/fl.asm' ; build.sh
+
+SECTION	.data
+msg	db	'Seconds since Jan 01 1970: ', 0h
+
+SECTION	.text
+global	_start
+
+_start:
+mov	eax, msg
+call	sprint
+
+mov	eax, 13
+int	80h
+
+call	iprintLF
+call	quit
+

lesson22/l22.asm

@@ -0,0 +1,18 @@
+
+; %include '../lib/fl.asm' ; local
+%include 'lib/fl.asm' ; build.sh
+
+SECTION	.data
+filename	db	'README.md', 0h
+
+SECTION	.text
+global	_start
+
+_start:
+mov	ecx, 0777o
+mov	ebx, filename
+mov	eax, 8
+int	80h
+
+call	quit
+

lesson23/l23.asm

@@ -0,0 +1,25 @@
+
+; %include '../lib/fl.asm' ; local
+%include 'lib/fl.asm' ; build.sh
+
+SECTION	.data
+filename	db	'README.md', 0h
+contents	db	'Hello world!', 0h
+
+SECTION	.text
+global	_start
+
+_start:
+mov	ecx, 0777o
+mov	ebx, filename
+mov	eax, 8
+int	80h
+
+mov	edx, 12
+mov	ecx, contents
+mov	ebx, eax
+mov	eax, 4
+int	80h
+
+call	quit
+

lesson24/l24.asm

@@ -0,0 +1,31 @@
+
+; %include '../lib/fl.asm' ; local
+%include 'lib/fl.asm' ; build.sh
+
+SECTION	.data
+filename	db	'test.txt', 0h
+contents	db	'Hello world!', 0h
+
+SECTION	.text
+global	_start
+
+_start:
+mov	ecx, 0777o
+mov	ebx, filename
+mov	eax, 8
+int	80h
+
+mov	edx, 12
+mov	ecx, contents
+mov	ebx, eax
+mov	eax, 4
+int	80h
+
+mov	ecx, 0
+mov	ebx, filename
+mov	eax, 5
+int	80h
+
+call	iprintLF
+call	quit
+

lesson25/l25.asm

@@ -0,0 +1,42 @@
+
+; %include '../lib/fl.asm' ; local
+%include 'lib/fl.asm' ; build.sh
+
+SECTION	.data
+filename	db	'test.txt', 0h
+contents	db	'Hello world!', 0h
+
+SECTION	.bss
+fileContents	resb	255,
+
+SECTION	.text
+global	_start
+
+_start:
+mov	ecx, 0777o
+mov	ebx, filename
+mov	eax, 8
+int	80h
+
+mov	edx, 12
+mov	ecx, contents
+mov	ebx, eax
+mov	eax, 4
+int	80h
+
+mov	ecx, 0
+mov	ebx, filename
+mov	eax, 5
+int	80h
+
+mov	edx, 12
+mov	ecx, fileContents
+mov	ebx, eax
+mov	eax, 3
+int	80h
+
+mov	eax, fileContents
+call	sprintLF
+
+call	quit
+

lesson26/l26.asm

@@ -0,0 +1,46 @@
+
+; %include '../lib/fl.asm' ; local
+%include 'lib/fl.asm' ; build.sh
+
+SECTION	.data
+filename	db	'test.txt', 0h
+contents	db	'Hello world!', 0h
+
+SECTION	.bss
+fileContents	resb	255,
+
+SECTION	.text
+global	_start
+
+_start:
+mov	ecx, 0777o
+mov	ebx, filename
+mov	eax, 8
+int	80h
+
+mov	edx, 12
+mov	ecx, contents
+mov	ebx, eax
+mov	eax, 4
+int	80h
+
+mov	ecx, 0
+mov	ebx, filename
+mov	eax, 5
+int	80h
+
+mov	edx, 12
+mov	ecx, fileContents
+mov	ebx, eax
+mov	eax, 3
+int	80h
+
+mov	eax, fileContents
+call	sprintLF
+
+mov	ebx, ebx ; not needed: takes fd from ebx
+mov	eax, 6
+int	80h
+
+call	quit
+

lesson27/l27.asm

@@ -0,0 +1,31 @@
+
+; %include '../lib/fl.asm' ; local
+%include 'lib/fl.asm' ; build.sh
+
+SECTION	.data
+filename	db	'test.txt', 0h
+contents	db	'-updated-', 0h
+
+SECTION	.text
+global	_start
+
+_start:
+mov	ecx, 1
+mov	ebx, filename
+mov	eax, 5
+int	80h
+
+mov	edx, 2
+mov	ecx, 0
+mov	ebx, eax
+mov	eax, 19
+int	80h
+
+mov	edx, 9
+mov	ecx, contents
+mov	ebx, ebx
+mov	eax, 4
+int	80h
+
+call	quit
+

lesson28/l28.asm

@@ -0,0 +1,17 @@
+
+; %include '../lib/fl.asm' ; local
+%include 'lib/fl.asm' ; build.sh
+
+SECTION	.data
+filename	db	'test.txt', 0h
+
+SECTION	.text
+global	_start
+
+_start:
+mov	ebx, filename
+mov	eax, 10
+int	80h
+
+call	quit
+