build: add the SIBO SDK

code/SIBOSDK/include/h_eval.inc

@@ -0,0 +1,43 @@
+        .xlist
+; Include file - H_EVAL.INC
+; Epoc/Os OPL runtime include file
+; Copyright (c) Psion PLC 1988.
+;  VER    DATE    BY  DESCRIPTION
+; ----- -------- ---- -----------
+; 1.00A 04/06/91  HP  First release
+;
+H_EVAL_INC	equ	1
+        .xlist
+;
+EVAL_DEFAULT_PLACES	equ 2
+EVAL_DEFAULT_FMT_TYPE	equ DtobTypeFixed
+CALC_MAX_PLACES		equ 12
+CALC_DEFAULT_PLACES	equ CALC_MAX_PLACES
+CALC_DEFAULT_FMT_TYPE	equ DtobTypeGeneral
+MAX_MEMORIES 		equ 10
+;
+MEM_VALUES	struc
+memValuesEvalFormat	db	?
+memValuesEvalDPlaces	db	?
+memValuesCalcFormat	db	?
+memValuesCalcDPlaces	db	?
+memValuesMemories	dq	MAX_MEMORIES dup (?)
+MEM_VALUES	ends
+;
+; Memory environment variable structure (name M$V)
+;
+MEM_ENV	struc
+memEnvNameLbc		db	?
+memEnvName		db 3 dup (?)
+memEnvValueLbc		db	?
+memEnvValue		MEM_VALUES <>
+MEM_ENV ends
+;
+sizeMemName = memEnvValueLbc-memEnvName	; M$V
+;
+EXTENDED_MEM_VALUES     struc
+exMemValuesEvalDegrees  db      ?
+exMemValuesCalcDegrees  db      ?
+exMemValuesMemValues    MEM_VALUES <>
+EXTENDED_MEM_VALUES     ends
+