Roman_Schenk/CT-Lab_7_ControlStructures
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Schrom01
2022-11-03 15:14:14 +01:00
parent 80a0f2eb15
commit c140211e9b
43 changed files with 9802 additions and 1 deletions
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code/app/main.s
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@@ -47,18 +47,43 @@ main PROC
read_dipsw ; Read operands into R0 and R1 and display on LEDs
; STUDENTS: To be programmed
LDR R0, =ADDR_DIP_SWITCH_15_0
LDRH R0, [R0] ; Load Values of DIP Switches 15-0 in R0
LDR R2, =ADDR_LED_15_0
STRH R0, [R2] ; Display R0 on LEDs 15-0
MOVS R1, R0 ; Coppy Bits to R1
LSRS R0, R0, #8 ; Shift Bits in R0 right to only have DIP SWITCH 15-8
LDR R2, =0xff ; Bitmask to get only lower Byte
ANDS R1, R1, R2 ; Only keep lower Byte in R1
LDR R2, =ADDR_LED_15_0
STRH R0, [R2]
; END: To be programmed
read_hexsw ; Read operation into R2 and display on 7seg.
; STUDENTS: To be programmed
LDR R2, =ADDR_HEX_SWITCH
LDRB R2, [R2]
LDR R3, =ADDR_7_SEG_BIN_DS1_0
STRB R2, [R3]
; END: To be programmed
case_switch ; Implement switch statement as shown on lecture slide
; STUDENTS: To be programmed
LDR R3, =0x0a
CMP R2, R3
BHI case_bright
LDR R3, =jump_table ; Get Address of Jumptable
LDRB R3, [R3, R2] ; Load Label Address from J
BX R3 ; GOTO Speified label
; END: To be programmed
@@ -78,6 +103,49 @@ case_add
; STUDENTS: To be programmed
case_bright
LDR R0, =0xFFFF
B display_result
case_sub
SUBS R0, R0, R1
B display_result
case_mult
MULS R0, R1, R0
B display_result
case_and
ANDS R0, R0, R1
B display_result
case_or
ORRS R0, R0, R1
B display_result
case_xor
EORS R0, R0, R1
B display_result
case_not
MVNS R0, R0
B display_result
case_nand
ANDS R0, R0, R1
MVNS R0, R0
B display_result
case_nor
ORRS R0, R0, R1
MVNS R0, R0
B display_result
case_xnor
EORS R0, R0, R1
MVNS R0, R0
B display_result
; END: To be programmed