Kommentar:
Einfügen von HTML im Kommentar:
Link einfügen: <a href="LINKURL" target="_blank">LINKTITEL</a>
Bild einfügen: <img src="BILDURL">
Text formatieren: <b>fetter Text</b>  <i>kursiver Text</i> <u>unterstrichener Text</u>
Kombinationen sind auch möglich z.B.: <b><i>fetter & kursiver Text</i></b>
C2 Quellcode formatieren: <code>Quellcode</code>
ASM Quellcode formatieren: <asm>Quellcode</asm>
(Innerhalb eines Quellcodeabschnitts ist kein html möglich.)
Wichtig: Bitte mache Zeilenumbrüche, bevor Du am rechten Rand des Eingabefeldes ankommst !  
> To communicate with a assembly routine, the following code can be used: > > type ASM_PAR > { > int par1; > int par2; > int par3; > int par4; > } > > ASM_PAR par; > > function AsmCall( int offset, ASM_PAR par ) > { > /* Store pointer to parameters in R1. > Register bank starts at 0xf600 in internal ram. > So R1 is accessable via 0xf602 > */ > inline vmcodes.VM_LOAD_LOCAL_INT; > inline -6; > inline vmcodes.VM_STORE_ABSOLUTE_INT; > inline 0xf602; > > system.call( 3, offset ); > > } // AsmCall > > > tread main > { > int i; > > par.par1 = 0x4711; > AsmCall( 0x0000, par ); > i = par.par2; > } > > As variables of a user defined type are passed by reference, this address can be passed on to the assembly routine. > In the assembly routine the address is available in the R1 register. In assembly the following instructions can be used > to read/ a parameter (located in segment 8): > > EXTS#8, #2 > MOVR2,[R1]; Read par1 > MOV[R1+2], R2; Copy to par2 > > POP R1; Pop the faulty return address > POP R1; from the stack > RETS > > Both POP instructions are needed to correctly return to the C2 code (because of a bug in the system.call() function).

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