Fixes RTAB, reset print COLOR to 0.

Also, cleanup and clarifies the manual.

Author: dmsc

manual.md

@@ -1037,6 +1037,10 @@ Console Print and Input Statements
       S = 1234
       ? #6, "SCORE: "; COLOR(32) S
 
+  Note that the color only applies to
+  one argument, and it is reset to 0
+  after a `;`, `,` or `TAB`.
+
   The `TAB` function advances the
   position to a column multiple of the
   argument, so that `TAB(10)` is the

src/interp/atari/print_tab.asm

@@ -71,6 +71,7 @@ ok:
         jsr     do_tab
 
         inc     sptr
+        ldy     #0              ; Print color = 0
         jmp     print_str_tmp1  ; Print string in tmp1
 .endproc
 

src/interp/print_str.asm

@@ -39,16 +39,14 @@
         inc     sptr
         tay
         pla
-        .byte   $2C   ; Skip 2 bytes over next "LDY"
+        .byte   $2C     ; Skip 2 bytes over next "LDY"
 .endproc
-
 .proc   EXE_PRINT_STR   ; PRINT string in AX
         ldy     #0
-print_cont:
-        sty     tmp3
         sta     tmp1
         stx     tmp1+1
 ptmp:                   ; Prints string in TMP1
+        sty     tmp3
         ldy     #0
         lda     (tmp1), y       ; LENGTH
         beq     nil

version.mk

@@ -1 +1 @@
-VERSION=4.6-b2
+VERSION=4.6