1 files changed, 20 insertions, 0 deletions

diff --git a/v4.0/src/BIOS/PUSHPOP.INC b/v4.0/src/BIOS/PUSHPOP.INC
new file mode 100644
index 0000000..aaa76eb
--- /dev/null
+++ b/v4.0/src/BIOS/PUSHPOP.INC
@@ -0,0 +1,20 @@
+        IF1                                                               ;3.30
+
+SaveReg MACRO   reglist                 ;; push those registers
+IRP reg,<reglist>
+        ?stackdepth = ?stackdepth + 1
+        PUSH    reg
+ENDM
+ENDM
+.xcref  SaveReg
+
+
+RestoreReg  MACRO   reglist             ;; pop those registers
+IRP reg,<reglist>
+        ?stackdepth = ?stackdepth - 1
+        POP     reg
+ENDM
+ENDM
+.xcref  RestoreReg
+
+        ENDIF                                                             ;3.30