cleanup

defines_apple.s

@@ -1,5 +1,3 @@
-; http://apple2.org.za/gswv/a2zine/GS.WorldView/Resources/GS.TECH.INFO/AppleSoft/
-
 ; configuration
 CONFIG_11 := 1
 

flow2.s

@@ -79,7 +79,7 @@ L281E:
 POP:
         bne     L281E
         lda     #$FF
-.ifdef CONFIG_2
+.ifdef CONFIG_2A
         sta     FORPNT+1 ; bugfix, wrong in AppleSoft II
 .else
         sta     FORPNT

input.s

@@ -245,8 +245,8 @@ PROCESS_INPUT_ITEM:
 ; code had ldx/ldy/bne here, which was only
 ; correct for a non-ZP INPUTBUFFER. Commodore
 ; fixed it in CBMBASIC V1 by swapping the
-; ldx and the ldy. It was broken on KIM
-; and okay on APPLE and CBM2, because
+; ldx and the ldy. It was broken on KIM,
+; but okay on APPLE and CBM2, because
 ; these used a non-ZP INPUTBUFFER.
 ; Microsoft fixed this somewhere after KIM
 ; and before MICROTAN, by using beq instead

microtan_extra.s

@@ -891,7 +891,7 @@ LE793:
         sta     $16
         ldx     #$06
 LE7B1:
-        lda     LE7DC,x
+        lda     LE7DC,x	; "PARITY"
         jsr     LFE75
         dex
         bpl     LE7B1

msbasic.s

@@ -18,7 +18,7 @@
 ; KIM BASIC             1977     1.1            N      Y          ZP            -        CONFIG_11A
 ; AppleSoft II          1978                    Y      Y        $0200         Apple      CONFIG_2
 ; Commodore BASIC 2     1979                    Y      Y        $0200          CBM       CONFIG_2A
-; KBD BASIC             1980                    Y      N        $0700          KBD       CONFIG_2B
+; KBD BASIC             1982                    Y      N        $0700          KBD       CONFIG_2B
 ; MicroTAN              1980                    Y      Y          ZP            -        CONFIG_2C
 ;
 ; (Note that this assembly source cannot (yet) build AppleSoft II.)
@@ -36,7 +36,7 @@
 ; CONFIG_CBM1_PATCHES				jump out into CBM1's binary patches instead of doing the right thing inline
 ; CONFIG_CBM_ALL					add all Commodore-specific additions except file I/O
 ; CONFIG_DATAFLG					?
-; CONFIG_EASTER_EGG					include the CBM2 "MICROSOFT!" easter egg
+; CONFIG_EASTER_EGG					include the CBM2 "WAIT 6502" easter egg
 ; CONFIG_FILE						support Commodore PRINT#, INPUT#, GET#, CMD
 ; CONFIG_IO_MSB						all I/O has bit #7 set
 ; CONFIG_MONCOUT_DESTROYS_Y			Y needs to be preserved when calling MONCOUT 	

print.s

@@ -22,6 +22,7 @@ PRINT2:
         cmp     #','
 ; Pre-KIM had no CLC. KIM added the CLC
 ; here. Post-KIM moved the CLC up...
+; (makes no sense on KIM, liveness = 0)
 .if .def(CONFIG_11A) && (!.def(CONFIG_2))
         clc
 .endif

program.s

@@ -281,9 +281,7 @@ L23FA:
 .ifdef CONFIG_2
         beq     RET3
 .else
-        bne     L2403
-        jmp     L2351
-L2403:
+        jeq     L2351
 .endif
         ldy     #$04
 L2405:
@@ -701,7 +699,7 @@ L25A6X:
         lda     (LOWTRX),y
         beq     L25E5
 .ifdef MICROTAN
-        jmp     LE21F                           ; C5A6 4C 1F E2                 L..
+        jmp     LE21F
 LC5A9:
 .else
         jsr     ISCNTC