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Preserve si and di for strategy handlers.

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git-svn-id: https://svn.code.sf.net/p/freedos/svn/kernel/trunk@535 6ac86273-5f31-0410-b378-82cca8765d1b
This commit is contained in:
Bart Oldeman 2003-03-12 06:36:00 +00:00
parent 4dcb3f332c
commit ec8b97be38
1 changed files with 7 additions and 0 deletions
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7
kernel/execrh.asm
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@ -57,8 +57,15 @@ segment _TEXT
mov ax, [si+6] ; construct strategy address mov ax, [si+6] ; construct strategy address
mov [bp+8], ax mov [bp+8], ax
push si ; the bloody fucking RTSND.DOS
push di ; driver destroys SI,DI (tom 14.2.03)
call far[bp+8] ; call far the strategy call far[bp+8] ; call far the strategy
pop di
pop si
mov ax,[si+8] ; construct 'interrupt' address mov ax,[si+8] ; construct 'interrupt' address
mov [bp+8],ax ; construct interrupt address mov [bp+8],ax ; construct interrupt address
call far[bp+8] ; call far the interrupt call far[bp+8] ; call far the interrupt