clean-up of driver return codes

2023-02-26 20:03:41 +01:00
parent a299ef4210
commit ffa83c32a4
82 changed files with 438 additions and 322 deletions
--- a/libsrc/c64/emd/c64-65816.s
+++ b/libsrc/c64/emd/c64-65816.s
@@ -120,13 +120,14 @@ INSTALL:
        dex
@noextradex:
        stx     bankcount
-        lda     #<EM_ERR_OK
-        ldx     #>EM_ERR_OK
+        lda     #EM_ERR_OK
+        .assert EM_ERR_OK = 0, error
+        tax
        rts
@not_present:
        cli
-        lda     #<EM_ERR_NO_DEVICE
-        ldx     #>EM_ERR_NO_DEVICE
+        lda     #EM_ERR_NO_DEVICE
+        ldx     #0 ; return value is char
 ;       rts                             ; Run into UNINSTALL instead