update version number for release

README.md

@@ -2,8 +2,8 @@
 
 Boot any Apple II disk on any Apple II
 
-[Download latest Anti-M disk image](https://github.com/a2-4am/anti-m/releases/download/v1.8/anti-m-v1.8-2020-11-10.dsk)
+[Download latest Anti-M disk image](https://github.com/a2-4am/anti-m/releases/download/v1.9/anti-m-v1.9-2023-05-15.dsk)
-(version **1.8**, released **2020-11-10**, runs on any 48K Apple II)
+(version **1.9**, released **2023-05-15**, runs on any 48K Apple II)
 
 ## What is this?
 
@@ -60,6 +60,7 @@ then press `<RETURN>`. The game should boot normally.
 - Sensible Speller (Sensible Software)
 - Serpentine (Broderbund) (*)
 - Sky Blazer (Broderbund)
+- Space Adventure (Sierra Software)
 - Space Eggs (Sirius)
 - Space Quarks (Broderbund)
 - Star Blazer (Broderbund)
@@ -98,6 +99,12 @@ launching Anti-M.
 
 ## History
 
+v1.9 - 2023-05-15
+
+- support "Disk Recovery"
+- support "Space Adventure"
+- fix drive 2 detection
+
 v1.8 - 2020-11-10
 
 - support "Sensible Speller"

src/anti-m.a

@@ -344,7 +344,7 @@ StringTable
          !word @mainmenu
 
 @header
-         !text "Anti-M v1.9pre by 4am         2022-04-19"
+         !text "Anti-M v1.9 by 4am            2023-05-15"
          !text "________________________________________",$8D
          !text $8D,$8D,$8D,$8D,$8D,$8D,$8D,$8D,$00
 @mainmenu

src/ididsi.a

@@ -101,6 +101,13 @@ IDIDSI
          lda   $d1d1,X ;SMC
          cmp   #$c0
          bne   @cb3jump
+         ldy   #<((@cb3_end + 1) & -2)
+-        tya
+         eor   $bf00,y
+         sta   $bf00,y
+         iny
+         iny
+         bne   -
          lda   #$BF
 @cb3patch2
          sta   $d1d1,X ;SMC
@@ -114,6 +121,7 @@ IDIDSI
          sta   $d1d1,X ;SMC
 @cb3jump
          jmp   (@cb3patch3+1)
+@cb3_end
 }
 @tracer3_e
 }