Merge pull request #2 from oliverschmidt/patch-1

Allow start with active 80-column display.
2020-01-11 16:34:09 +01:00 · 2020-01-11 16:34:09 +01:00 · a2658ec89f
parent d785b58c26 67b6897fd0
commit a2658ec89f
1 changed files with 8 additions and 1 deletions
--- a/src/apple2.loader/loader.s
+++ b/src/apple2.loader/loader.s
@ -111,8 +111,15 @@ PRESS_ANY_KEY:
        sta     READ_REF
        sta     CLOSE_REF

+        ; Turn off 80-column firmware
+        lda     VERSION
+        cmp     #$06        ; //e ?
+        bne     :+
+        lda     #$15
+        jsr     $C300
+
        ; Switch to hires page 2
-        bit     TXTCLR
+:       bit     TXTCLR
        bit     MIXCLR
        bit     HISCR
        bit     HIRES