fix random MB noise. Thanks Rob Justice

2024-12-28 03:29:59 +00:00 · 2020-08-11 08:47:47 -07:00 · 2020-08-11 08:47:47 -07:00 · 6f7f8f7aa5
commit 6f7f8f7aa5
parent bf362b75ea
1 changed files with 4 additions and 0 deletions
--- a/src/hw.mockingboard.a
+++ b/src/hw.mockingboard.a
@ -85,6 +85,7 @@ GetMockingboardStuff
         sta   @mb_smc19 + 2
         sta   @mb_smc20 + 2
         sta   @mb_smc21 + 2
+         sta   @mb_smc22 + 2

         ; detect speech - SSI263

@ -163,6 +164,9 @@ GetMockingboardStuff

@mb_smc21
 +        sta   $c40d                 ; ifr, clear flag
+         lda   #$d0                  ; turn off cb2 pulse mode to disable false writes to sc01
+@mb_smc22
+         sta   $c40c                 ; pcr
         sec                         ; found, we have an S/S I
         ror   $82
         ldy   #$ff