þa‹Rþdþwÿÿÿÿÿÿÿÿÿÿþ m^9þhý oPþ nSystem-wideNAME RamVipc EXTRN VipcProcess: FAR %IF (%ForRom) THEN ( EXTRN CpSetActiveSlot: NEAR EXTRN MySlotNo: BYTE )FI DGROUP GROUP DATA DATA SEGMENT BYTE PUBLIC 'DATA' ASSUME CS:DGROUP ;PUBLIC RamVipcProcess ;&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& ; ; RamVipcProcess ; ; VipcProcess is a forked processes. The Os makes a long call to it ; and it must set it's own DS register. Normally this is done using ; load time fix-ups. However since VipcProcess is in ROM, no fix-ups ; are possible there. ; ; If RamVipcProcess is forked as the process, its CS when it is called ; by the OS is same as the the Data Segment, since this code is in DGROUP. ; Setting up DS is then very easy. Call the actual Vipc Process from ; here. There will be a fix-up involved, however it will in Data ; segment ; ;&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& PUBLIC RamVipcProcess RamVipcProcess PROC FAR ; there is no need to save the Oses DS or BP since this will never return. ; Set up DS for the actual VipcProcess. MOV AX, CS MOV DS, AX %IF (%ForRom) THEN ( ; ; Set Slot No for Vipc Process to phonelink's slot no. ; XOR AX, AX ; clear AH MOV AL, DS:MySlotNo ; get slot no for phonelink ROM PUSH AX ; param 1 for CpSetActiveSlot CALL CpSetActiveSlot ; set new slot & returns old slot )FI ; although VipcProcess is compiled as a Compact procedure, it is alright to ; make a long call to it, since it has no parameters and it never returns. CALL VipcProcess ; Make a long call into ROM RamVipcProcess ENDP DATA ENDS END