Programming the Microprocessor - Revision history

U731219879 rc at 17:02, 7 June 2022

2022-06-07T17:02:03Z

U731219879 rc at 03:49, 27 September 2020

2020-09-27T03:49:00Z

U731219879 rc at 02:59, 27 September 2020

2020-09-27T02:59:49Z

U731219879 rc at 02:56, 27 September 2020

2020-09-27T02:56:10Z

U731219879 rc at 02:54, 27 September 2020

2020-09-27T02:54:14Z

U731219879 rc at 02:49, 27 September 2020

2020-09-27T02:49:12Z

U731219879 rc at 02:41, 27 September 2020

2020-09-27T02:41:23Z

U731219879 rc at 02:38, 27 September 2020

2020-09-27T02:38:16Z

U731219879 rc at 02:32, 27 September 2020

2020-09-27T02:32:49Z

U731219879 rc at 02:13, 27 September 2020

2020-09-27T02:13:48Z

← Older revision		Revision as of 17:02, 7 June 2022
Line 96:		Line 96:

	== [[ 65C02 Vintage Computer Build ]] ==		== [[ 65C02 Vintage Computer Build ]] ==
		+
		+	----
		+	==[[ Main Page ]]==

@@ Line 90: / Line 90: @@
 Rename the a.out file so that when you create a new program you do not lose this one.
   rename a.out updownblink.out
+'''Next Step:'''
 ----
 == [[ 65C02 Vintage Computer Build ]] ==

@@ Line 88: / Line 88: @@
    segfffc(acrwx1):                   4 bytes''
+Rename the a.out file so that when you create a new program you do not lose this one.
+ rename a.out updownblink.out
 ----
 == [[ 65C02 Vintage Computer Build ]] ==

@@ Line 80: / Line 80: @@
   Do a list command to make sure your updownblink.asm file is in the folder.
   Type the following command: '''vasm6502_oldstyle.exe -Fbin -dotdir updownblink.asm'''
+Output creates the following lines and a file called '''a.out'''
-   vasm 1.8g (c) in 2002-2019 Volker Barthelmann
+   ''vasm 1.8g (c) in 2002-2019 Volker Barthelmann
    vasm 6502 cpu backend 0.8 (c) 2002,2006,2008-2012,2014-2018 Frank Wille
    vasm oldstyle syntax module 0.13f (c) 2002-2018 Frank Wille
    vasm binary output module 1.8a (c) 2002-2009,2013,2015,2017 Volker Barthelmann
    seg8000(acrwx1):                 106 bytes
-   segfffc(acrwx1):                   4 bytes
+   segfffc(acrwx1):                   4 bytes''

@@ Line 78: / Line 78: @@
   Open CMD prompt terminal and change directory to the '''VASM6502''' directory.
   Example: CD Users\this-PC\Documents\VASM-6502\vasm6502_oldstyle\win\win10
-  Do a list command to make sure your .asm file is in the folder
+  Do a list command to make sure your updownblink.asm file is in the folder.

@@ Line 73: / Line 73: @@
   Open '''WIN''' folder then '''Win10''' folder and copy the relative path.
   C:\Users\this-PC\Documents\VASM-6502\vasm6502_oldstyle\win\win10
   '''VASM6502 compiler''' is a command line program (CMD) so you need to use the CMD prompt terminal in Windows10.
   Open CMD prompt terminal and change directory to the '''VASM6502''' directory.

@@ Line 5: / Line 5: @@
   Select '''Language''' and then select the Letter '''A''' then select '''Assembly.'''
   Assembly Language file uses the .s extension or .asm
-  Select '''File''' again and then '''Save AS''' to the folder VASM6502 [enter a file name for your program]
+  Select '''File''' again and then '''Save AS''' to the folder VASM6502 [enter a file name '''updownblink.asm''']
-  Make sure it has the '''.asm''' extension (yourfilename.asm) then click '''Save'''.
+  Make sure it has the '''.asm''' extension then click '''Save'''.
   Make sure you have line numbering turned '''On'''. Found under '''Settings/Preferences/Editing/Display line number'''.
   Cut and paste the example code below into Notepad++ at line #1

@@ Line 12: / Line 12: @@
 '''Example code:'''
-    .org $8000  	; Reset Vector points to the Program address on EEPROM
+    .org $8000  	        ; Reset Vector points to the Program address on EEPROM
   reset:  		; reset = address $8000 on the EEPROM
-    LDA #$FF  	; Set DDRB to output on 65c22
+    LDA #$FF  	        ; Set DDRB to output on 65c22
     STA $6002		; write to VIA Address for DDRB
   loop:			; Main loop starts here
     LDA #$55		; Load Hex 55 alternating 0101 0101 Turn on evey other LED
     STA $6000		; Write to VIA $55 binary 01010101
@@ Line 34: / Line 33: @@
     LDA #$00		; Load $00 Binary 00000000 turn off LEDs
     STA $6000		; Write to VIA $00 binary 00000000
     LDA #$FF		; Load Hex FF all 1111 1111 to the A Register
     STA $6000		; Write to VIA $FF binary 11111111 to on all LED's
@@ Line 47: / Line 45: @@
     LDA #$00		; Load $00 Binary 00000000 turn off LEDs
     STA $6000		; Write to VIA $00 binary 00000000
-    LDX #$00     	; LOad the X register with $00 to start counting
+    LDX #$00              ; Load the X register with $00 to start counting
   countup:		; Start counting up from 0
     INX			; increment the X register
@@ Line 60: / Line 58: @@
     TXA			; transfer X register to A register
     STA $6000   	        ; Write that value to the VIA chip to turn on LEDS
-    BNE countdown        ; Branch not equal if not = 0
+    BNE countdown         ; Branch not equal if not = 0
     LDA #$00   	        ; Load $00 to turn off all LED's
     STA $6000 	        ; Write $00 to VIA to turn off LED's

@@ Line 27: / Line 27: @@
   Download the application VASM from Dr. Volker Barthelmann´s Compiler Page: http://www.compilers.de/vasm.html
   '''Select Binaries of vasm for 6502 for x86-64 (Mac, Windows and Linux):''' http://www.ibaug.de/vasm/vasm6502.zip
-  Move vasm6502.zip to your new folder VASM6502 and extract the zip file in that folder.
+  Move '''vasm6502.zip''' to your new folder VASM6502 and extract the zip file in that folder.
-  Open the new folder called vasm6502_oldstyle and select your operating system. I will be using Windows folder. (Win\Win10)
+  Open the new folder called '''vasm6502_oldstyle''' and select your operating system. I will be using Windows folder. (Win\Win10)
-  Open WIN folder then Win10 folder and copy the relative path.
+  Open '''WIN''' folder then '''Win10''' folder and copy the relative path.
   C:\Users\this-PC\Documents\VASM-6502\vasm6502_oldstyle\win\win10
-  C:\Users\trcai_000\Documents\VASM-6502\vasm6502_oldstyle\win\win10
+  '''VASM6502 compiler''' is a command line program (CMD) so you need to use the CMD prompt terminal.
- VASM6502 compiler is a command line program (CMD) so you need to use the CMD terminal.
+  Open CMD terminal and change directory to the VASM6502 directory.
   CD Users\this-PC\Documents\VASM-6502\vasm6502_oldstyle\win\win10