More SHR cursor tweaking

2025-04-10 03:37:42 +00:00 · 2023-01-09 19:57:55 -05:00 · 2023-01-09 19:57:55 -05:00 · 908d02ab99
commit 908d02ab99
parent f6443c2288
2 changed files with 9 additions and 7 deletions
--- a/applecorn.po
+++ b/applecorn.po
--- a/auxmem.shr.s
+++ b/auxmem.shr.s
@ -181,17 +181,19 @@ SHRCURSOR     PHA                          ; Preserve character
              CMP   CURSORCP
              BEQ   :CURSORON
              BRA   :CURSOROFF
-:CURSORON     LDA   [VDUADDR],Y
-              BNE   :DONE                  ; Already on
-              BRA   :L1
-:CURSOROFF    LDA   [VDUADDR],Y
-              BEQ   :DONE                  ; Already off
-:L1           LDAL  [VDUADDR],Y            ; XOR last row
-              EOR   #$77
+:CURSORON
+:L1           LDA   #$77
              STAL  [VDUADDR],Y
              INY
              CPY   #$04                   ; TODO: Two bytes for 640 mode
              BNE   :L1
+              RTS
+:CURSOROFF
+:L2           LDA   SHRBGMASKA
+              STAL  [VDUADDR],Y
+              INY
+              CPY   #$04                   ; TODO: Two bytes for 640 mode
+              BNE   :L2
 :DONE         RTS
 :BAIL         PLA
              RTS