mirror of
https://git.sr.ht/~rabbits/uxn
synced 2024-11-05 13:55:06 +00:00
15 lines
367 B
Tal
15 lines
367 B
Tal
@check-rom ( filename* -- 00 if the file doesn't exist or not a valid ROM
|
|
OR 01 if the ROM seems to be valid )
|
|
.File/name DEO2
|
|
#0001 .File/length DEO2
|
|
;&first-char .File/read DEO2
|
|
|
|
( did the file read okay? )
|
|
.File/success DEI2 ORA
|
|
|
|
( is the first character a LIT, LIT2, LITk or LIT2k? )
|
|
LIT &first-char $1 #9f AND #80 EQU
|
|
|
|
AND
|
|
JMP2r
|
|
|