Mockingboard auto-config in Thunder Bombs

2021-05-13 14:52:38 -07:00 · 2021-05-13 14:52:38 -07:00 · bb85aee366
parent 93617432a3
commit bb85aee366
1 changed files with 21 additions and 0 deletions
--- a/src/prelaunch/thunder.bombs.a
+++ b/src/prelaunch/thunder.bombs.a
@ -18,6 +18,27 @@

         lda   #0
         sta   $3F2
+         +READ_RAM2_NO_WRITE
+         lda   MockingboardStuff
+         +READ_ROM_NO_WRITE
+         cmp   #1
+         bcc   ++
+         tax
+         ora   #$C0
+         sta   $341
+         txa
+         asl
+         and   #$80
+         ora   #1         ; sound i
+         bpl   +
+         eor   #$85       ; sound ii
+
+         bcc   +
+         lda   #6         ; +speech
+
+         sta   $340
+         jsr   $7CB4
++
         +DISABLE_ACCEL

         lda   $323