Added link to Atari 2600 book

65c02, ca65

Makefile

@@ -0,0 +1,13 @@
+# Ultra simple makefile for pretty6502
+# by Oscar Toledo G.
+# https://github.com/nanochess/pretty6502
+#
+build:
+	@cc pretty6502.c -o pretty6502
+
+clean:
+	@rm pretty6502
+
+love:
+	@echo "...not war"
+

README

@@ -1,34 +1,79 @@
-Pretty6502 v0.1 by Oscar Toledo G. http://nanochess.org/
+Pretty6502 v0.7 by Oscar Toledo G. http://nanochess.org/
 
 Executables provided for Mac OS X and Windows.
 
 Usage:
     pretty6502 [args] input.asm output.asm
 
-DON'T USE SAME OUTPUT FILE AS INPUT, though it's possible,
-you can DAMAGE YOUR SOURCE if this program has bugs.
+It's recommended to not use same output file as input,
+even if possible because there is a chance (0.0000001%)
+that you can DAMAGE YOUR SOURCE if Pretty6502 has
+undiscovered bugs.
 
 Arguments:
     -s0       Code in four columns (default)
               label: mnemonic operand comment
     -s1       Code in three columns
               label: mnemonic+operand comment
+
     -p0       Processor unknown.
     -p1       Processor 6502 + DASM syntax (default)
+    -p2       Processor Z80 + tniASM syntax
+    -p3       Processor CP1610 + as1600 syntax (Intellivision)
+    -p4       Processor TMS9900 + xas99 syntax (TI-99/4A)
+    -p5       Processor 8086 + nasm syntax
+    -p6       Processor 65c02 + ca65 syntax
+
     -m8       Start of mnemonic column (default)
     -o16      Start of operand column (default)
     -c32      Start of comment column (default)
+
     -t8       Use tabs of size 8 to reach column
     -t0       Use spaces to align (default)
+
     -a0       Align comments to nearest column
     -a1       Comments at line start are aligned
               to mnemonic (default)
+
     -n4       Nesting spacing (can be any number
               of spaces or multiple of tab size)
+
     -l        Put labels in its own line
 
+    -dl       Change directives to lowercase
+    -du       Change directives to uppercase
+    -ml       Change mnemonics to lowercase
+    -mu       Change mnemonics to uppercase
+
 Assumes all your labels are at start of line and there is space
 before mnemonic.
 
 Accepts any assembler file where ; means comment
 [label] mnemonic [operand] ; comment
+
+
+>> ATTENTION <<
+
+Do you would like to learn to program 6502 assembler and
+creating Atari 2600 games? It is possible with my newest book
+Programming Games for Atari 2600.
+
+Now available from Lulu:
+
+  Paperback
+    https://www.lulu.com/shop/oscar-toledo-gutierrez/programming-games-for-atari-2600/paperback/product-pq9dg4.html
+
+  Hardcover
+    https://www.lulu.com/shop/oscar-toledo-gutierrez/programming-games-for-atari-2600/hardcover/product-n8z9r6.html
+
+ eBook
+    https://nanochess.org/store.html
+
+These are some of the example programs documented profusely
+in the book:
+
+  * Game of Ball.
+  * Wall Breaker.
+  * Invaders.
+  * The Lost Kingdom.
+  * Diamond Craze.