Changeset 293 in xtideuniversalbios for trunk/Assembly_Library/Inc/Emulate.inc

Timestamp:

Mar 4, 2012, 1:33:52 AM (12 years ago)

Author:

krille_n_@…

google:author:

krille_n_@hotmail.com

Message:

Commit 1/2 (Library, Configurators and Serial Server):

• Changed Emulate.inc so that making 286 and 386 versions now works. Additionally, only one processor type define is needed in the makefile.
• Minor optimizations.
• Fixed spelling and did some cleaning.

File:

• trunk/Assembly_Library/Inc/Emulate.inc (modified) (2 diffs)

trunk/Assembly_Library/Inc/Emulate.inc

@@ -1 +1 @@
 ; Project name  :   Emulation library
-; Description   :   Macros for emulating later x86 instruction with older
+; Description   :   Macros for emulating later x86 instructions with older
 ;                   processors.
-;                   Macros are used so optimized builds could be done
+;                   Macros are used so optimized builds can be done
 ;                   easily for different processors.
 ;
@@ -10 +10 @@
 %define EMULATE_INC
 
-; Defines for processor support. Unsupported instructions will be
-; emulated using macros.
-; If using 286, define USE_186 and USE_286
-; If using 386, define USE_186, USE_286 and USE_386
+; Defines for processor support (should be set in makefile).
+; Unsupported instructions will be emulated using macros.
 ; If AT class PC is used (instead of XT), define USE_AT
+
 ;%define USE_186                ; Define to use 18x/V20/V30 instructions
 ;%define USE_286                ; Define to use 286 instructions
 ;%define USE_386                ; Define to use 386 instructions
 ;%define USE_AT                 ; Define for AT class machine
-; Above defines should be set on makefile!
-
-CPU 8086                        ; Allow 8088/8086 instructions only
-%ifdef USE_186
-CPU 186                         ; Allow instructions up to 188/186/V20/V30
+
+%ifdef USE_386
+    %define USE_286             ; Define to use 286 instructions
+%endif
+%ifdef USE_286
+    %define USE_186             ; Define to use 18x/V20/V30 instructions
+%endif
+
+%ifdef USE_386
+    CPU 386                     ; Allow instructions up to 386
 %elifdef USE_286
-CPU 286                         ; Allow instructions up to 286
-%elifdef USE_386
-CPU 386                         ; Allow instructions up to 386
-%endif
+    CPU 286                     ; Allow instructions up to 286
+%elifdef USE_186
+    CPU 186                     ; Allow instructions up to 188/186/V20/V30
+%else
+    CPU 8086                    ; Allow 8088/8086 instructions only
+%endif
+
 BITS 16                         ; Set 16 bit code generation