A2osX/SYS/KERNEL.S.DRV.txt
2017-03-29 17:48:15 +02:00

79 lines
1.4 KiB
Plaintext
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

PR#3
PREFIX /A2OSX.BUILD
LOMEM $A00
INC 1
AUTO 6
*--------------------------------------
* K.LoadDrvYA
* in :
* Y,A = PTR To Full Cmd Line PStrArray
* out :
* none
*--------------------------------------
K.LoadDrvYA >STYA K.LoadDrv.CmdArray
>LDYAI ENV.DRV push ENVNAME=DRV
>SYSCALL GetEnvYA get value for ENV=DRV
bcs .99
>PUSHYA Push $DRV value
>PUSHW K.LoadDrv.CmdArray (ARG[0] = DRVNAME)
jsr K.FileSearch find libname in $DRV
bcs .99
stx K.LoadDrv.hFullName
jsr K.LoadExeYA Y,A =filename full path
bcs .98
>STYA pDrv
stx K.LoadDrv.hMem
>LDYA K.LoadDrv.CmdArray Advance to ARG[1]
>STYA ZPPtr1
lda ZPPtr1
sec
adc (ZPPtr1)
sta ZPPtr1
bcc .1
inc ZPPtr1+1
.1 >LDYA ZPPtr1
jsr pDrvJmp call Dev.Detect
bcs .97
jsr BIN.InstallDRV
bcs .97
jsr .97 Cleanup...
lda #0 Make sure RC = 0 if success
clc
.99 rts
.97 pha
lda K.LoadDrv.hMem
jsr K.FreeMemA
pla
.98 pha
lda K.LoadDrv.hFullName
jsr K.FreeMemA
pla
sec
rts
*--------------------------------------
K.LoadDrv.CmdArray .BS 2
K.LoadDrv.hFullName .BS 1
K.LoadDrv.hMem .BS 1
*--------------------------------------
MAN
SAVE /A2OSX.SRC/SYS/KERNEL.S.DRV
LOAD /A2OSX.SRC/SYS/KERNEL.S
ASM