seppdroid/Digital-Research-Source-Code
1
0
Fork 0
mirror of https://github.com/SEPPDROID/Digital-Research-Source-Code.git synced 2025-10-26 01:44:21 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Upload

Browse Source 
Digital Research
This commit is contained in:
Sepp J Morris
2020-11-06 18:50:37 +01:00
parent 621ed8ccaf
commit 31738079c4
8481 changed files with 1888323 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

32
MPM OPERATING SYSTEMS/MPM-86/MPM-86 2.0 SOURCES/02/UTIL.MEM Normal file
View File

@@ -0,0 +1,32 @@
;*****************************************************
;*
;* MEM Common Functions
;*
;*****************************************************
getmd: ; get MD from MDUL
;----- ------------------
; output: BX = MD address
; 0 if none found
; CX = Error Code
pushf ! cli
mov cx,e_no_umd ! mov bx,mdul
cmp bx,0 ! je gmd_ret
mov cx,0
mov si,m_link[bx] ! mov mdul,si
mov m_link[bx],0 ! mov m_start[bx],0
mov m_length[bx],0 ! mov m_plist[bx],0
gmd_ret:popf ! ret
freemd: ; put MD on MDUL
;------ ----------------
; input: BX = MD address
pushf ! cli
mov si,mdul ! mov mdul,bx
mov m_link[bx],si ! popf ! ret