X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=libsrc%2Fapple2%2Fdosdetect.s;h=68910e3da2485d072fc7fb856e5c805cb9d94766;hb=7ebaec18024dc2a94de538637c20c5b4c65e530c;hp=ff4ce291cfe0a1e39709c0500944416bc4adb26e;hpb=1c5c974200e03c968f84ad64c45a47f3b58ccff4;p=cc65 diff --git a/libsrc/apple2/dosdetect.s b/libsrc/apple2/dosdetect.s index ff4ce291c..68910e3da 100644 --- a/libsrc/apple2/dosdetect.s +++ b/libsrc/apple2/dosdetect.s @@ -26,20 +26,20 @@ .include "mli.inc" ; Identify DOS version according to: -; - "Beneath Apple ProDOS", chapter 6-63 -; - "Apple II ProDOS 8 TechNote #023: ProDOS 8 Changes and Minutia" +; - Beneath Apple ProDOS, chapter 6-63 +; - Apple II ProDOS 8 TechNote #23, ProDOS 8 Changes and Minutia ; - ProDOS TechRefMan, chapter 5.2.4 .segment "INIT" initdostype: - lda ENTRY - cmp #$4C ; Is MLI present? (JMP opcode) + lda $BF00 + cmp #$4C ; Is MLI present? (JMP opcode) bne done - lda KVERSION ; ProDOS 8 kernel version + lda KVERSION ; ProDOS 8 kernel version cmp #$10 bcs :+ - ora #$10 ; Make high nibble match major version + ora #$10 ; Make high nibble match major version : sta __dos_type done: rts