cx16.vaddr_clone now leaves vera CTRL selected port intact

compiler/res/prog8lib/atari/textio.p8

@@ -1,4 +1,5 @@
 ; Prog8 definitions for the Text I/O and Screen routines for the Atari 800XL
+; Reference:  https://www.atariarchives.org/mapping/appendix12.php
 
 %import syslib
 %import conv

compiler/res/prog8lib/cx16/syslib.p8

@@ -567,7 +567,6 @@ asmsub vaddr(ubyte bank @A, uword address @R0, ubyte addrsel @R1, byte autoIncrO
 
 asmsub vaddr_clone(ubyte port @A) clobbers (A,X,Y) {
     ; -- clones Vera addresses from the given source port to the other one.
-    ;    leaves CTRL on the destination port.
     %asm {{
         sta  VERA_CTRL
         ldx  VERA_ADDR_L
@@ -580,6 +579,8 @@ asmsub vaddr_clone(ubyte port @A) clobbers (A,X,Y) {
         sty  VERA_ADDR_M
         ply
         sty  VERA_ADDR_H
+        eor  #1
+        sta  VERA_CTRL
         rts
     }}
 }

docs/source/todo.rst

@@ -4,6 +4,8 @@ TODO
 
 - fix discord string bug for if key!="." : "ERROR undefined symbol: prog8_interned_strings.string_3"
 
+- txt.waitkey() should return the pressed key? Also on atari.
+
 - [on branch: shortcircuit] investigate McCarthy evaluation again? this may also reduce code size perhaps for things like if a>4 or a<2 ....
 
 ...

examples/test.p8

@@ -1,21 +1,11 @@
-%zeropage basicsafe
 %import textio
-%import emudbg
 
 main {
     sub start() {
-        txt.print("is emulator? ")
-        txt.print_ub(emudbg.is_emulator())
-        txt.nl()
-
-        emudbg.console_write(iso:"Hello from emulator.\n")
-        emudbg.console_chrout(iso:'1')
-        emudbg.console_chrout(iso:'2')
-        emudbg.console_chrout(iso:'3')
-        emudbg.console_chrout(iso:'\n')
-        emudbg.console_value1(123)
-        emudbg.console_chrout(iso:'\n')
-        emudbg.console_value2(42)
-        emudbg.console_chrout(iso:'\n')
+        str key = "test"
+        txt.print(":")
+        if key != ":" {
+            cx16.r0++
+        }
     }
 }