From 912b6048a7603a9fcf65f02d84dfe5679419f0ea Mon Sep 17 00:00:00 2001
From: minniewang12 <137521170+minniewang12@users.noreply.github.com>
Date: Thu, 30 Nov 2023 13:14:03 +0000
Subject: [PATCH 1/2] Division subroutine

---
 main.s | 71 +++++++++++++++++++++++++++++++++++++++++++++++++++++-----
 1 file changed, 66 insertions(+), 5 deletions(-)

diff --git a/main.s b/main.s
index 2ac9cc7c..b34059c1 100755
--- a/main.s
+++ b/main.s
@@ -1,6 +1,13 @@
-	#include <xc.inc>
+#include <xc.inc>
 
 psect	code, abs
+
+psect	udata_
+myNumerator:ds	1
+myDenominator:ds    1
+myQuotient:ds    1
+myRemainder:ds    1
+myDiff:ds   1
 	
 main:
 	org	0x0
@@ -9,16 +16,70 @@ main:
 	org	0x100		    ; Main code starts here at address 0x100
 start:
 	movlw 	0x0
-	movwf	TRISB, A	    ; Port C all outputs
+	movwf	TRISC, A	    ; Port C all outputs
 	bra 	test
 loop:
-	movff 	0x06, PORTB
+	movff 	0x06, PORTC
 	incf 	0x06, W, A
 test:
 	movwf	0x06, A	    ; Test for end of loop condition
-	movlw 	0x63
+	movlw 	0x01
 	cpfsgt 	0x06, A
 	bra 	loop		    ; Not yet finished goto start of loop again
-	goto 	0x0		    ; Re-run program from start
+	;goto 	0x0		    ; Re-run program from start
+
+; PIC18 Assembly division example
+
+; Inputs:
+;   Numerator in WREG
+;   Denominator in a register (e.g., myDenominator)
+
+    ; Initialize variables
+    MOVLW   11             ; Numerator
+    MOVWF   myNumerator
+
+    MOVLW   3              ; Denominator
+    MOVWF   myDenominator
+
+    ; Perform division
+    CALL    Divide
 
+    ; Result is now in WREG
+
+    ; Your code here
+
+Divide:
+    ; Ensure myDenominator is not zero
+    MOVLW   0
+    CPFSEQ  myDenominator
+    GOTO    Clear	    ; Check the MSB of myDenominator
+    GOTO    DivisionError    ; If zero, handle division by zero
+Clear:	; Perform division algorithm	
+    CLRF    myQuotient       ; Clear the quotient register
+    CLRF    myRemainder      ; Clear the remainder register
+
+DivideLoop:
+    MOVFF   myNumerator, WREG
+    
+    ; rather than doing subtraction, just do a comparison
+    CPFSGT  myDenominator	    ; myNumerator(WREG) < myDenominator, skip to finish   
+    GOTO    Incr
+    GOTO    DivisionDone     ; Done if myNumerator < myDenominator
+Incr:
+    INCF    myQuotient, 1    ; Increment quotient
+    MOVFF   myDenominator, WREG
+    SUBWF   myNumerator, 1 ; myNumerator -= myDenominator
+    GOTO    DivideLoop       ; Repeat the loop
+
+DivisionDone:
+    ; Quotient is in myQuotient, remainder is in myRemainder
+    MOVFF   myQuotient, PORTC
+    RETURN
+
+DivisionError:
+    ; Handle division by zero or other error
+    ; Your code here
+    RETURN
+    
 	end	main
+

From 32bccebb456c402f0b8af364c702d6b61734755a Mon Sep 17 00:00:00 2001
From: minniewang12 <137521170+minniewang12@users.noreply.github.com>
Date: Thu, 30 Nov 2023 13:14:38 +0000
Subject: [PATCH 2/2] Update configurations.xml

---
 nbproject/configurations.xml | 199 ++++++++++++++++-------------------
 1 file changed, 92 insertions(+), 107 deletions(-)

diff --git a/nbproject/configurations.xml b/nbproject/configurations.xml
index 9ba40ccd..ec4baff3 100755
--- a/nbproject/configurations.xml
+++ b/nbproject/configurations.xml
@@ -12,8 +12,13 @@
     <logicalFolder name="SourceFiles"
                    displayName="Source Files"
                    projectFiles="true">
-      <itemPath>main.s</itemPath>
       <itemPath>config.s</itemPath>
+      <itemPath>main.s</itemPath>
+      <itemPath>UART.s</itemPath>
+      <itemPath>LCD.s</itemPath>
+      <itemPath>Keypad.s</itemPath>
+      <itemPath>Digit_Reader.s</itemPath>
+      <itemPath>Calculations.s</itemPath>
     </logicalFolder>
     <logicalFolder name="ExternalFiles"
                    displayName="Important Files"
@@ -31,8 +36,8 @@
         <targetPluginBoard></targetPluginBoard>
         <platformTool>Simulator</platformTool>
         <languageToolchain>pic-as</languageToolchain>
-        <languageToolchainVersion>2.41</languageToolchainVersion>
-        <platform>3</platform>
+        <languageToolchainVersion>2.45</languageToolchainVersion>
+        <platform>4</platform>
       </toolsSet>
       <packs>
         <pack name="PIC18F-K_DFP" vendor="Microchip" version="1.8.249"/>
@@ -64,86 +69,50 @@
         <makeCustomizationEnableLongLines>false</makeCustomizationEnableLongLines>
         <makeCustomizationNormalizeHexFile>false</makeCustomizationNormalizeHexFile>
       </makeCustomizationType>
-      <HI-TECH-COMP>
-        <property key="additional-warnings" value="true"/>
-        <property key="asmlist" value="true"/>
-        <property key="call-prologues" value="false"/>
-        <property key="default-bitfield-type" value="true"/>
-        <property key="default-char-type" value="true"/>
-        <property key="define-macros" value=""/>
-        <property key="disable-optimizations" value="true"/>
-        <property key="extra-include-directories" value=""/>
-        <property key="favor-optimization-for" value="-speed,+space"/>
-        <property key="garbage-collect-data" value="true"/>
-        <property key="garbage-collect-functions" value="true"/>
-        <property key="identifier-length" value="255"/>
-        <property key="local-generation" value="false"/>
-        <property key="operation-mode" value="free"/>
-        <property key="opt-xc8-compiler-strict_ansi" value="false"/>
-        <property key="optimization-assembler" value="true"/>
-        <property key="optimization-assembler-files" value="true"/>
-        <property key="optimization-debug" value="false"/>
-        <property key="optimization-invariant-enable" value="false"/>
-        <property key="optimization-invariant-value" value="16"/>
-        <property key="optimization-level" value="-O0"/>
-        <property key="optimization-speed" value="false"/>
-        <property key="optimization-stable-enable" value="false"/>
-        <property key="preprocess-assembler" value="true"/>
-        <property key="short-enums" value="true"/>
-        <property key="tentative-definitions" value="-fno-common"/>
-        <property key="undefine-macros" value=""/>
-        <property key="use-cci" value="false"/>
-        <property key="use-iar" value="false"/>
-        <property key="verbose" value="false"/>
-        <property key="warning-level" value="-3"/>
-        <property key="what-to-do" value="ignore"/>
-      </HI-TECH-COMP>
-      <HI-TECH-LINK>
-        <property key="additional-options-checksum" value=""/>
-        <property key="additional-options-code-offset" value=""/>
-        <property key="additional-options-command-line" value=""/>
-        <property key="additional-options-errata" value=""/>
-        <property key="additional-options-extend-address" value="false"/>
-        <property key="additional-options-trace-type" value=""/>
-        <property key="additional-options-use-response-files" value="false"/>
-        <property key="backup-reset-condition-flags" value="false"/>
-        <property key="calibrate-oscillator" value="false"/>
-        <property key="calibrate-oscillator-value" value="0x3400"/>
-        <property key="clear-bss" value="true"/>
-        <property key="code-model-external" value="wordwrite"/>
-        <property key="code-model-rom" value=""/>
-        <property key="create-html-files" value="false"/>
-        <property key="data-model-ram" value=""/>
-        <property key="data-model-size-of-double" value="32"/>
-        <property key="data-model-size-of-double-gcc" value="no-short-double"/>
-        <property key="data-model-size-of-float" value="32"/>
-        <property key="data-model-size-of-float-gcc" value="no-short-float"/>
-        <property key="display-class-usage" value="false"/>
-        <property key="display-hex-usage" value="false"/>
-        <property key="display-overall-usage" value="true"/>
-        <property key="display-psect-usage" value="false"/>
-        <property key="extra-lib-directories" value=""/>
-        <property key="fill-flash-options-addr" value=""/>
-        <property key="fill-flash-options-const" value=""/>
-        <property key="fill-flash-options-how" value="0"/>
-        <property key="fill-flash-options-inc-const" value="1"/>
-        <property key="fill-flash-options-increment" value=""/>
-        <property key="fill-flash-options-seq" value=""/>
-        <property key="fill-flash-options-what" value="0"/>
-        <property key="format-hex-file-for-download" value="false"/>
-        <property key="initialize-data" value="true"/>
-        <property key="input-libraries" value="libm"/>
-        <property key="keep-generated-startup.as" value="false"/>
-        <property key="link-in-c-library" value="true"/>
-        <property key="link-in-c-library-gcc" value=""/>
-        <property key="link-in-peripheral-library" value="false"/>
-        <property key="managed-stack" value="false"/>
-        <property key="opt-xc8-linker-file" value="false"/>
-        <property key="opt-xc8-linker-link_startup" value="false"/>
-        <property key="opt-xc8-linker-serial" value=""/>
-        <property key="program-the-device-with-default-config-words" value="false"/>
-        <property key="remove-unused-sections" value="true"/>
-      </HI-TECH-LINK>
+      <ICD3PlatformTool>
+        <property key="AutoSelectMemRanges" value="auto"/>
+        <property key="Freeze Peripherals" value="true"/>
+        <property key="SecureSegment.SegmentProgramming" value="FullChipProgramming"/>
+        <property key="ToolFirmwareFilePath"
+                  value="Press to browse for a specific firmware version"/>
+        <property key="ToolFirmwareOption.UseLatestFirmware" value="true"/>
+        <property key="debugoptions.debug-startup" value="Use system settings"/>
+        <property key="debugoptions.reset-behaviour" value="Use system settings"/>
+        <property key="debugoptions.useswbreakpoints" value="false"/>
+        <property key="event.recorder.enabled" value="false"/>
+        <property key="event.recorder.scvd.files" value=""/>
+        <property key="hwtoolclock.frcindebug" value="false"/>
+        <property key="lastid" value=""/>
+        <property key="memories.aux" value="false"/>
+        <property key="memories.bootflash" value="false"/>
+        <property key="memories.configurationmemory" value="true"/>
+        <property key="memories.configurationmemory2" value="true"/>
+        <property key="memories.dataflash" value="true"/>
+        <property key="memories.eeprom" value="true"/>
+        <property key="memories.flashdata" value="true"/>
+        <property key="memories.id" value="true"/>
+        <property key="memories.instruction.ram" value="true"/>
+        <property key="memories.instruction.ram.ranges"
+                  value="${memories.instruction.ram.ranges}"/>
+        <property key="memories.programmemory" value="true"/>
+        <property key="memories.programmemory.ranges" value="0-1ffff"/>
+        <property key="poweroptions.powerenable" value="false"/>
+        <property key="programoptions.donoteraseauxmem" value="false"/>
+        <property key="programoptions.eraseb4program" value="true"/>
+        <property key="programoptions.preservedataflash" value="false"/>
+        <property key="programoptions.preservedataflash.ranges" value=""/>
+        <property key="programoptions.preserveeeprom" value="false"/>
+        <property key="programoptions.preserveeeprom.ranges" value="0-3ff"/>
+        <property key="programoptions.preserveprogram.ranges" value=""/>
+        <property key="programoptions.preserveprogramrange" value="false"/>
+        <property key="programoptions.preserveuserid" value="false"/>
+        <property key="programoptions.programcalmem" value="false"/>
+        <property key="programoptions.programuserotp" value="false"/>
+        <property key="programoptions.testmodeentrymethod" value="VDDFirst"/>
+        <property key="programoptions.usehighvoltageonmclr" value="false"/>
+        <property key="programoptions.uselvpprogramming" value="false"/>
+        <property key="voltagevalue" value="3.25"/>
+      </ICD3PlatformTool>
       <Simulator>
         <property key="codecoverage.enabled" value="Disable"/>
         <property key="codecoverage.enableoutputtofile" value="false"/>
@@ -619,14 +588,35 @@
         <property key="warningmessagebreakoptions.warningmessages" value="holdstate"/>
       </Simulator>
       <Tool>
+        <property key="AutoSelectMemRanges" value="auto"/>
+        <property key="Freeze Peripherals" value="true"/>
+        <property key="SecureSegment.SegmentProgramming" value="FullChipProgramming"/>
+        <property key="ToolFirmwareFilePath"
+                  value="Press to browse for a specific firmware version"/>
+        <property key="ToolFirmwareOption.UseLatestFirmware" value="true"/>
         <property key="codecoverage.enabled" value="Disable"/>
         <property key="codecoverage.enableoutputtofile" value="false"/>
         <property key="codecoverage.outputfile" value=""/>
         <property key="debugoptions.debug-startup" value="Use system settings"/>
         <property key="debugoptions.reset-behaviour" value="Use system settings"/>
+        <property key="debugoptions.useswbreakpoints" value="false"/>
         <property key="event.recorder.enabled" value="false"/>
         <property key="event.recorder.scvd.files" value=""/>
+        <property key="hwtoolclock.frcindebug" value="false"/>
         <property key="lastid" value=""/>
+        <property key="memories.aux" value="false"/>
+        <property key="memories.bootflash" value="false"/>
+        <property key="memories.configurationmemory" value="true"/>
+        <property key="memories.configurationmemory2" value="true"/>
+        <property key="memories.dataflash" value="true"/>
+        <property key="memories.eeprom" value="true"/>
+        <property key="memories.flashdata" value="true"/>
+        <property key="memories.id" value="true"/>
+        <property key="memories.instruction.ram" value="true"/>
+        <property key="memories.instruction.ram.ranges"
+                  value="${memories.instruction.ram.ranges}"/>
+        <property key="memories.programmemory" value="true"/>
+        <property key="memories.programmemory.ranges" value="0-1ffff"/>
         <property key="oscillator.auxfrequency" value="120"/>
         <property key="oscillator.auxfrequencyunit" value="Mega"/>
         <property key="oscillator.frequency" value="1"/>
@@ -645,6 +635,21 @@
         <property key="periphComp4.gte" value="gt"/>
         <property key="periphComp5.gte" value="gt"/>
         <property key="periphComp6.gte" value="gt"/>
+        <property key="poweroptions.powerenable" value="false"/>
+        <property key="programoptions.donoteraseauxmem" value="false"/>
+        <property key="programoptions.eraseb4program" value="true"/>
+        <property key="programoptions.preservedataflash" value="false"/>
+        <property key="programoptions.preservedataflash.ranges" value=""/>
+        <property key="programoptions.preserveeeprom" value="false"/>
+        <property key="programoptions.preserveeeprom.ranges" value="0-3ff"/>
+        <property key="programoptions.preserveprogram.ranges" value=""/>
+        <property key="programoptions.preserveprogramrange" value="false"/>
+        <property key="programoptions.preserveuserid" value="false"/>
+        <property key="programoptions.programcalmem" value="false"/>
+        <property key="programoptions.programuserotp" value="false"/>
+        <property key="programoptions.testmodeentrymethod" value="VDDFirst"/>
+        <property key="programoptions.usehighvoltageonmclr" value="false"/>
+        <property key="programoptions.uselvpprogramming" value="false"/>
         <property key="reset.scl" value="false"/>
         <property key="reset.type" value="MCLR"/>
         <property key="toolpack.updateoptions"
@@ -721,6 +726,7 @@
         <property key="usartf1io.output" value="window"/>
         <property key="usartf1io.outputfile" value=""/>
         <property key="usartf1io.uartioenabled" value="false"/>
+        <property key="voltagevalue" value="3.25"/>
         <property key="warningmessagebreakoptions.W0001_CORE_BITREV_MODULO_EN"
                   value="report"/>
         <property key="warningmessagebreakoptions.W0002_CORE_SECURE_MEMORYACCESS"
@@ -1092,28 +1098,6 @@
                   value=""/>
         <property key="warningmessagebreakoptions.warningmessages" value="holdstate"/>
       </Tool>
-      <XC8-CO>
-        <property key="coverage-enable" value=""/>
-        <property key="stack-guidance" value="false"/>
-      </XC8-CO>
-      <XC8-config-global>
-        <property key="advanced-elf" value="true"/>
-        <property key="constdata-progmem" value="true"/>
-        <property key="gcc-opt-driver-new" value="true"/>
-        <property key="gcc-opt-std" value="-std=c99"/>
-        <property key="gcc-output-file-format" value="dwarf-3"/>
-        <property key="mapped-progmem" value="false"/>
-        <property key="omit-pack-options" value="false"/>
-        <property key="omit-pack-options-new" value="1"/>
-        <property key="output-file-format" value="-mcof,+elf"/>
-        <property key="smart-io-format" value=""/>
-        <property key="stack-size-high" value="auto"/>
-        <property key="stack-size-low" value="auto"/>
-        <property key="stack-size-main" value="auto"/>
-        <property key="stack-type" value="compiled"/>
-        <property key="user-pack-device-support" value=""/>
-        <property key="wpo-lto" value="false"/>
-      </XC8-config-global>
       <pic-as-assembler>
         <property key="fmax-errors" value="20"/>
         <property key="list-custom-assembler-options" value=""/>
@@ -1134,14 +1118,15 @@
         <property key="summary-file" value="false"/>
         <property key="summary-hex" value="false"/>
         <property key="summary-mem" value="true"/>
-        <property key="summary-psect" value="false"/>
+        <property key="summary-psect" value="true"/>
         <property key="summary-sha1" value="false"/>
         <property key="summary-sha256" value="false"/>
         <property key="summary-xml" value="false"/>
         <property key="summary-xmlfull" value="false"/>
+        <appendMe value="-Wa,-a -Wl,-Map=output.map"/>
       </pic-as-global>
       <pic-as-linker>
-        <property key="linker-callgraph" value="std"/>
+        <property key="linker-callgraph" value="full"/>
         <property key="linker-checksum" value=""/>
         <property key="linker-custom-options" value=""/>
         <property key="linker-fill" value=""/>