Mercurial > hg > Members > kono > os9 > sbc09

comparison os9/level2/boot.asm @ 26:51a35f0347f6

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
fix label
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Wed, 11 Jul 2018 01:00:18 +0900
parents 7104ad38bed3
children 2d6772a5c076
comparison
equal deleted inserted replaced
25:c4e3abe97e2c 26:51a35f0347f6
39 ** read boot rom file size 39 ** read boot rom file size
40 os9 F$LDDDXY 40 os9 F$LDDDXY
41 bcs last 41 bcs last
42 std ,s size return as d 42 std ,s size return as d
43 addb #$ff BtMem give us a little smaller memory 43 addb #$ff BtMem give us a little smaller memory
44 adda #$0f request +0x2000 44 adda #$2f request +0x2000
45 clrb 45 clrb
46 anda #$e0 46 anda #$e0
47 addd #-1
48 os9 F$BtMem 47 os9 F$BtMem
49 bcs last 48 bcs last
50 ** u points the memory 49 ** u points the memory
51 stu 2,s return as x 50 stu 2,s return as x
52 ldd ,s 51 ldd ,s