diff --git a/20230412/d-flipflops-1-loesung-korrigiert.png b/20230412/d-flipflops-1-loesung-korrigiert.png
new file mode 100644
index 0000000000000000000000000000000000000000..9fd2df4627d06d72cc31469261ae9e490f68af5a
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diff --git a/20230412/d-flipflops-2-master-slave-edge-triggered-korrigiert.png b/20230412/d-flipflops-2-master-slave-edge-triggered-korrigiert.png
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diff --git a/20230412/d-flipflops.xcf.gz b/20230412/d-flipflops.xcf.gz
index 59a6d990f485fb6490152f1395870bc954b1eb73..2a9fb75cc971fda006c6b01807fcaec7c93f6b53 100644
Binary files a/20230412/d-flipflops.xcf.gz and b/20230412/d-flipflops.xcf.gz differ
diff --git a/20230419/blink-01.c b/20230419/blink-01.c
index 01308336ab00714a2524cb5b248701fe3164b209..4533b28855403a8978ba20a3e04c895beb4a8743 100644
--- a/20230419/blink-01.c
+++ b/20230419/blink-01.c
@@ -10,9 +10,9 @@ int main (void)
while (1)
{
_delay_ms (250);
- PORTB = 0x00;
+ PORTB = 0x00 /* Hexadezimalzahl. Binär: 0000 0000 */;
_delay_ms (250);
- PORTB = 0x20;
- }
- return 0;
-}
+ PORTB = 0x20; /* Hexadezimalzahl. Binär: 0010 0000 */
+ } /* Bits zählen: ^ ^ ^------ Bit 0 */
+ return 0; /* rechts anfangen | `-------- Bit 2 */
+} /* mit 0 anfangen `------------ Bit 5 */
diff --git a/20230419/blink-01.hex b/20230419/blink-01.hex
new file mode 100644
index 0000000000000000000000000000000000000000..bf73a0d621c3419d3d1bd993cd9807885c6edc85
--- /dev/null
+++ b/20230419/blink-01.hex
@@ -0,0 +1,13 @@
+:100000000C9434000C943E000C943E000C943E0082
+:100010000C943E000C943E000C943E000C943E0068
+:100020000C943E000C943E000C943E000C943E0058
+:100030000C943E000C943E000C943E000C943E0048
+:100040000C943E000C943E000C943E000C943E0038
+:100050000C943E000C943E000C943E000C943E0028
+:100060000C943E000C943E0011241FBECFEFD8E04C
+:10007000DEBFCDBF0E9440000C9458000C940000DD
+:100080008FEF84B980E285B92FEF34E39CE02150F3
+:1000900030409040E1F700C0000015B82FEF34E386
+:1000A0009CE0215030409040E1F700C00000EBCFD1
+:0400B000F894FFCFF2
+:00000001FF
diff --git a/20230419/blink-01.s b/20230419/blink-01.s
new file mode 100644
index 0000000000000000000000000000000000000000..b5fd96ce2f3e1ceb3bd512bdfda0a290bf6cfdc6
--- /dev/null
+++ b/20230419/blink-01.s
@@ -0,0 +1,41 @@
+ .file "blink-01.c"
+__SP_H__ = 0x3e
+__SP_L__ = 0x3d
+__SREG__ = 0x3f
+__tmp_reg__ = 0
+__zero_reg__ = 1
+ .section .text.startup,"ax",@progbits
+.global main
+ .type main, @function
+main:
+/* prologue: function */
+/* frame size = 0 */
+/* stack size = 0 */
+.L__stack_usage = 0
+ ldi r24,lo8(-1)
+ out 0x4,r24
+ ldi r24,lo8(32)
+.L3:
+ out 0x5,r24
+ ldi r18,lo8(799999) ; #include <avr/io.h>
+ ldi r19,hi8(799999) ;
+ ldi r25,hlo8(799999) ; #define F_CPU 16000000
+1: subi r18,1 ; #include <util/delay.h>
+ sbci r19,0 ;
+ sbci r25,0 ; int main (void)
+ brne 1b ; {
+ rjmp . ; DDRB = 0xff; // alle 8 Ausgänge als Outputs verwenden ("pinMode" für alle 8)
+ nop ; PORTB = 0x20; // Bit Nr. 5 auf 1 setzen, alle anderen auf 0 ("digitalWrite" für alle 8)
+ out 0x5,__zero_reg__ ; while (1)
+ ldi r18,lo8(799999) ; {
+ ldi r19,hi8(799999) ; _delay_ms (250);
+ ldi r25,hlo8(799999) ; PORTB = 0x00 /* Hexadezimalzahl. Binär: 0000 0000 */;
+1: subi r18,1 ; _delay_ms (250);
+ sbci r19,0 ; PORTB = 0x20; /* Hexadezimalzahl. Binär: 0010 0000 */
+ sbci r25,0 ; } /* Bits zählen: ^ ^ ^------ Bit 0 */
+ brne 1b ; return 0; /* rechts anfangen | `-------- Bit 2 */
+ rjmp . ; } /* mit 0 anfangen `------------ Bit 5 */
+ nop
+ rjmp .L3
+ .size main, .-main
+ .ident "GCC: (GNU) 5.4.0"
diff --git a/20230419/calc-01.s b/20230419/calc-01.s
new file mode 100644
index 0000000000000000000000000000000000000000..6b1399a0b336752b0a87303cc70df77652a33495
--- /dev/null
+++ b/20230419/calc-01.s
@@ -0,0 +1,37 @@
+ .file "calc-01.c"
+ .text
+ .section .rodata
+.LC0:
+ .string "c = %d\n"
+ .text
+ .globl main
+ .type main, @function
+main:
+.LFB0:
+ .cfi_startproc
+ pushq %rbp
+ .cfi_def_cfa_offset 16
+ .cfi_offset 6, -16
+ movq %rsp, %rbp ; #include <stdio.h>
+ .cfi_def_cfa_register 6 ;
+ subq $16, %rsp ; int main (void)
+ movl $3, -4(%rbp) ; {
+ movl $7, -8(%rbp) ; int a = 3;
+ movl -4(%rbp), %edx ; int b = 7;
+ movl -8(%rbp), %eax ; int c = a + b;
+ addl %edx, %eax ; printf ("c = %d\n", c);
+ movl %eax, -12(%rbp) ; return 0;
+ movl -12(%rbp), %eax ; }
+ movl %eax, %esi
+ leaq .LC0(%rip), %rdi
+ movl $0, %eax
+ call printf@PLT
+ movl $0, %eax
+ leave
+ .cfi_def_cfa 7, 8
+ ret
+ .cfi_endproc
+.LFE0:
+ .size main, .-main
+ .ident "GCC: (Debian 8.3.0-6) 8.3.0"
+ .section .note.GNU-stack,"",@progbits
diff --git a/20230419/calc-01.sO b/20230419/calc-01.sO
new file mode 100644
index 0000000000000000000000000000000000000000..2748de2c6fca286c4593cb69dc1452a165854f4b
--- /dev/null
+++ b/20230419/calc-01.sO
@@ -0,0 +1,26 @@
+ .file "calc-01.c"
+ .text
+ .section .rodata.str1.1,"aMS",@progbits,1
+.LC0:
+ .string "c = %d\n"
+ .text
+ .globl main
+ .type main, @function
+main:
+.LFB11:
+ .cfi_startproc
+ subq $8, %rsp ; #include <stdio.h>
+ .cfi_def_cfa_offset 16 ;
+ movl $10, %esi ; int main (void)
+ leaq .LC0(%rip), %rdi ; {
+ movl $0, %eax ; int a = 3;
+ call printf@PLT ; int b = 7;
+ movl $0, %eax ; int c = a + b;
+ addq $8, %rsp ; printf ("c = %d\n", c);
+ .cfi_def_cfa_offset 8 ; return 0;
+ ret ; }
+ .cfi_endproc
+.LFE11:
+ .size main, .-main
+ .ident "GCC: (Debian 8.3.0-6) 8.3.0"
+ .section .note.GNU-stack,"",@progbits