diff options
| author | Sven Eisenhauer <sven@sven-eisenhauer.net> | 2023-11-10 15:11:48 +0100 |
|---|---|---|
| committer | Sven Eisenhauer <sven@sven-eisenhauer.net> | 2023-11-10 15:11:48 +0100 |
| commit | 33613a85afc4b1481367fbe92a17ee59c240250b (patch) | |
| tree | 670b842326116b376b505ec2263878912fca97e2 /Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM | |
| download | Studium-33613a85afc4b1481367fbe92a17ee59c240250b.tar.gz Studium-33613a85afc4b1481367fbe92a17ee59c240250b.tar.bz2 | |
Diffstat (limited to 'Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM')
20 files changed, 216 insertions, 0 deletions
diff --git a/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/EXAMPLE.APJ b/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/EXAMPLE.APJ Binary files differnew file mode 100644 index 0000000..ea94b2c --- /dev/null +++ b/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/EXAMPLE.APJ diff --git a/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/EXAMPLE.S b/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/EXAMPLE.S new file mode 100644 index 0000000..c93e244 --- /dev/null +++ b/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/EXAMPLE.S @@ -0,0 +1,14 @@ + AREA Example, CODE, READONLY ; name this block of code
+ ENTRY ; mark first instruction
+ ; to execute
+start
+ MOV r0, #15 ; Set up parameters
+ MOV r1, #20
+ BL firstfunc ; Call subroutine
+ SWI 0x11 ; terminate
+
+firstfunc ; Subroutine firstfunc
+ ADD r0, r0, r1 ; r0 = r0 + r1
+ MOV pc, lr ; Return from subroutine
+ ; with result in r0
+ END ; mark end of file
diff --git a/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/GCD1.APJ b/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/GCD1.APJ Binary files differnew file mode 100644 index 0000000..b2853cb --- /dev/null +++ b/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/GCD1.APJ diff --git a/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/GCD1.S b/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/GCD1.S new file mode 100644 index 0000000..fec499f --- /dev/null +++ b/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/GCD1.S @@ -0,0 +1,21 @@ + AREA gcd1, CODE, READONLY ; name this block of code
+ ENTRY ; mark first instruction
+ ; to execute
+start
+ MOV r0, #1 ; Set up parameters
+ MOV r1, #2
+ BL gcd ; Call subroutine
+ SWI 0x11 ; terminate
+
+gcd
+ CMP r0, r1
+ BEQ end
+ BLT less
+ SUB r0, r0, r1
+ BAL gcd
+less
+ SUB r1, r1, r0
+ BAL gcd
+end MOV pc,lr
+
+ END ; mark end of file
\ No newline at end of file diff --git a/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/GCD2.APJ b/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/GCD2.APJ Binary files differnew file mode 100644 index 0000000..30403da --- /dev/null +++ b/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/GCD2.APJ diff --git a/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/GCD2.S b/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/GCD2.S new file mode 100644 index 0000000..8fbc660 --- /dev/null +++ b/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/GCD2.S @@ -0,0 +1,17 @@ + AREA gcd2, CODE, READONLY ; name this block of code
+ ENTRY ; mark first instruction
+ ; to execute
+start
+ MOV r0, #1 ; Set up parameters
+ MOV r1, #2
+ BL gcd ; Call subroutine
+ SWI 0x11 ; terminate
+
+gcd
+ CMP r0, r1
+ SUBGT r0, r0, r1
+ SUBLT r1, r1, r0
+ BNE gcd
+ MOV pc,lr
+
+ END ; mark end of file
\ No newline at end of file diff --git a/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/JUMP.APJ b/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/JUMP.APJ Binary files differnew file mode 100644 index 0000000..7728951 --- /dev/null +++ b/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/JUMP.APJ diff --git a/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/JUMP.S b/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/JUMP.S new file mode 100644 index 0000000..fbcb4eb --- /dev/null +++ b/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/JUMP.S @@ -0,0 +1,40 @@ + AREA ArithGate, CODE ; name this block of code
+ ENTRY ; mark the first instruction to call
+main
+ MOV r0, #2 ; set up three parameters
+ MOV r1, #5
+ MOV r2, #15
+ BL arithfunc ; call the function
+ SWI 0x11 ; terminate
+
+arithfunc ; label the function
+ CMP r0, #4 ; Treat code as unsigned integer
+ BHI ReturnA1 ; If code > 4 then return first
+ ; argument
+ ADR r3, JumpTable ; Load address of the jump table
+ LDR pc,[r3,r0,LSL #2] ; Jump to appropriate routine
+
+JumpTable
+ DCD ReturnA1
+ DCD ReturnA2
+ DCD DoAdd
+ DCD DoSub
+ DCD DoRsb
+
+ReturnA1
+ MOV r0, r1 ; Operation 0, >4
+ MOV pc,lr
+ReturnA2
+ MOV r0, r2 ; Operation 1
+ MOV pc,lr
+DoAdd
+ ADD r0, r1, r2 ; Operation 2
+ MOV pc,lr
+DoSub
+ SUB r0, r1, r2 ; Operation 3
+ MOV pc,lr
+DoRsb
+ RSB r0, r1, r2 ; Operation 4
+ MOV pc,lr
+
+ END ; mark the end of this file
diff --git a/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/LOADCON1.APJ b/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/LOADCON1.APJ Binary files differnew file mode 100644 index 0000000..7641f19 --- /dev/null +++ b/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/LOADCON1.APJ diff --git a/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/LOADCON1.S b/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/LOADCON1.S new file mode 100644 index 0000000..0cfc12a --- /dev/null +++ b/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/LOADCON1.S @@ -0,0 +1,15 @@ + AREA loadcon1, CODE
+ ENTRY ; mark first instruction
+
+ MOV r0, #0 ; => MOV r0, #0
+ MOV r1, #0xFF000000 ; => MOV r1, #0xFF, 8
+ MOV r2, #0xFFFFFFFF ; => MVN r2, #0
+ MVN r0, #1 ; => MVN r0, #1
+ MOV r1, #0xFC000003 ; => MOV r1, #0xFF, 6
+ MOV r2, #0x03FFFFFC ; => MVN r2, #0xFF, 6
+ ;MOV r3, #0x55555555 ; Reports an error (it cannot
+ ; be constructed)
+
+ SWI 0x11 ; terminate
+ END
+
diff --git a/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/LOADCON2.APJ b/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/LOADCON2.APJ Binary files differnew file mode 100644 index 0000000..08e91df --- /dev/null +++ b/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/LOADCON2.APJ diff --git a/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/LOADCON2.S b/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/LOADCON2.S new file mode 100644 index 0000000..53deb76 --- /dev/null +++ b/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/LOADCON2.S @@ -0,0 +1,26 @@ + AREA Loadcon2, CODE
+ ENTRY ; Mark first instruction
+ BL func1 ; Branch to first subroutine
+ BL func2 ; Branch to second subroutine
+ SWI 0x11 ; Terminate
+func1
+ LDR r0, =42 ; => MOV R0, #42
+ LDR r1, =0x55555555 ; => LDR R1, [PC, #offset to Literal
+ ; Pool 1]
+ LDR r2, =0xFFFFFFFF ; => MVN R2, #0
+ MOV pc, lr
+
+ LTORG ; Literal Pool 1 contains
+ ; literal &55555555
+func2
+ LDR r3, =0x55555555 ; => LDR R3, [PC, #offset to Literal
+ ; Pool 1]
+ ; LDR r4, =0x66666666 ; If this is uncommented it will
+ ; fail, as Literal Pool 2 is not
+ ; accessible (out of reach)
+ MOV pc, lr
+
+LargeTable % 4200 ; Clears a 4200 byte area of memory,
+ ; starting at the current location,
+ ; to zero.
+ END ;Literal Pool 2 is empty
diff --git a/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/LOADCON3.APJ b/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/LOADCON3.APJ Binary files differnew file mode 100644 index 0000000..4b82261 --- /dev/null +++ b/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/LOADCON3.APJ diff --git a/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/LOADCON3.S b/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/LOADCON3.S new file mode 100644 index 0000000..425c1de --- /dev/null +++ b/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/LOADCON3.S @@ -0,0 +1,14 @@ + AREA Example, CODE
+ ENTRY ; Mark first instruction
+Start
+ ADR r0, Start ; => SUB r0, PC, #offset to Start
+ ADR r1, DataArea ; => ADD r1, PC, #offset to DataArea
+ ; ADR r2, DataArea+4300 ; This would fail as the offset is
+ ; cannot be expressed by operand2
+ ; of an ADD
+ ADRL r3, DataArea+4300 ; => ADD r2, PC, #offset1
+ ; ADD r2, r2, #offset2
+ SWI 0x11 ; Terminate
+DataArea % 8000
+
+ END
diff --git a/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/LOADCON4.APJ b/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/LOADCON4.APJ Binary files differnew file mode 100644 index 0000000..575662f --- /dev/null +++ b/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/LOADCON4.APJ diff --git a/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/LOADCON4.S b/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/LOADCON4.S new file mode 100644 index 0000000..5f046c9 --- /dev/null +++ b/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/LOADCON4.S @@ -0,0 +1,29 @@ + AREA Loadcon4, CODE
+ ENTRY ; Mark first instruction
+Start
+ BL func1 ; Branch to first subroutine
+ BL func2 ; Branch to second subroutine
+ SWI 0x11 ; Terminate
+
+func1
+ LDR r0, =Start ; => LDR R0,[PC, #offset to
+ ; Litpool 1]
+ LDR r1, =Darea +12 ; => LDR R1,[PC, #offset to
+ ; Litpool 1]
+ LDR r2, =Darea + 6000 ; => LDR R2, [PC, #offset to
+ ; Litpool 1]
+ MOV pc,lr ; Return
+
+ LTORG ; Literal Pool 1 contains 3 literals
+
+func2
+ LDR r3, =Darea +6000 ; => LDR r3, [PC, #offset to
+ ; Litpool 1]
+ ; (sharing with previous literal)
+ ; LDR r4, =Darea +6004 ; If uncommented will produce an
+ ; error as Litpool 2 is out of range
+ MOV pc, lr ; Return
+
+Darea % 8000
+ END ; Literal Pool 2 is out of range of
+ ; the LDR instructions above
diff --git a/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/STRCOPY1.APJ b/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/STRCOPY1.APJ Binary files differnew file mode 100644 index 0000000..1e19af0 --- /dev/null +++ b/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/STRCOPY1.APJ diff --git a/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/STRCOPY1.S b/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/STRCOPY1.S new file mode 100644 index 0000000..d719799 --- /dev/null +++ b/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/STRCOPY1.S @@ -0,0 +1,20 @@ + AREA StrCopy1, CODE
+ ENTRY ; mark the first instruction
+main
+ ADR r1, srcstr ; pointer to first string
+ ADR r0, dststr ; pointer to second string
+ BL strcopy ; copy the first into second
+ SWI 0x11 ; and exit
+
+srcstr DCB "This is my first (source) string",0
+dststr DCB "This is my second (destination) string",0
+
+ ALIGN ; realign address to word boundary
+
+strcopy
+ LDRB r2, [r1], #1 ; load byte, then update address
+ STRB r2, [r0], #1 ; store byte, then update address
+ CMP r2, #0 ; check for zero terminator
+ BNE strcopy ; keep going if not
+ MOV pc, lr ; return
+ END
diff --git a/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/STRCOPY2.APJ b/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/STRCOPY2.APJ Binary files differnew file mode 100644 index 0000000..174fca4 --- /dev/null +++ b/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/STRCOPY2.APJ diff --git a/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/STRCOPY2.S b/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/STRCOPY2.S new file mode 100644 index 0000000..aa3e954 --- /dev/null +++ b/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/BASICASM/STRCOPY2.S @@ -0,0 +1,20 @@ + AREA StrCopy2, CODE
+ ENTRY ; mark the first instruction
+main
+ LDR r1, =srcstr ; pointer to first string
+ LDR r0, =dststr ; pointer to second string
+ BL strcopy ; copy the first into second
+ SWI 0x11 ; and exit
+
+srcstr DCB "This is my first (source) string",0
+dststr DCB "This is my second (destination) string",0
+
+ ALIGN ; realign address to word boundary
+
+strcopy
+ LDRB r2, [r1], #1 ; load byte, then update address
+ STRB r2, [r0], #1 ; store byte, then update address
+ CMP r2, #0 ; check for zero terminator
+ BNE strcopy ; keep going if not
+ MOV pc, lr ; return
+ END
|