Function INSTRUCTION

sdk/angelscript/source/as_context.cpp:2317–2358

// memory access functions

	INSTRUCTION(asBC_PopPtr):
		// Pop a pointer from the stack
		l_sp += AS_PTR_SIZE;
		l_bc++;
		NEXT_INSTRUCTION();

	INSTRUCTION(asBC_PshGPtr):
		// Replaces PGA + RDSPtr
		l_sp -= AS_PTR_SIZE;
		*(asPWORD*)l_sp = *(asPWORD*)asBC_PTRARG(l_bc);
		l_bc += 1 + AS_PTR_SIZE;
		NEXT_INSTRUCTION();

	// Push a dword value on the stack
	INSTRUCTION(asBC_PshC4):
		--l_sp;
		*l_sp = asBC_DWORDARG(l_bc);
		l_bc += 2;
		NEXT_INSTRUCTION();

	// Push the dword value of a variable on the stack
	INSTRUCTION(asBC_PshV4):
		--l_sp;
		*l_sp = *(l_fp - asBC_SWORDARG0(l_bc));
		l_bc++;
		NEXT_INSTRUCTION();

	// Push the address of a variable on the stack
	INSTRUCTION(asBC_PSF):
		l_sp -= AS_PTR_SIZE;
		*(asPWORD*)l_sp = asPWORD(l_fp - asBC_SWORDARG0(l_bc));
		l_bc++;
		NEXT_INSTRUCTION();

	// Swap the top 2 pointers on the stack
	INSTRUCTION(asBC_SwapPtr):
		{
			asPWORD p = *(asPWORD*)l_sp;
			*(asPWORD*)l_sp = *(asPWORD*)(l_sp+AS_PTR_SIZE);
			*(asPWORD*)(l_sp+AS_PTR_SIZE) = p;
			l_bc++;
		}
		NEXT_INSTRUCTION();

	// Do a boolean not operation, modifying the value of the variable