guard asm blocks

[16.git] / src / lib / modex16.c

diff --git a/src/lib/modex16.c b/src/lib/modex16.c
index f04391a95c55d89fb3838ca406b18a429c54c782..2d4c00242676ffd4401578c3fb6f024599199c21 100755 (executable)
--- a/src/lib/modex16.c
+++ b/src/lib/modex16.c
@@ -399,6 +399,15 @@ modexCopyPageRegion(page_t *dest, page_t *src,
     byte right = rclip[(sx+width)&0x03];\r
 \r
     __asm {\r
+           PUSHF\r
+           PUSH ES\r
+           PUSH AX\r
+           PUSH BX\r
+           PUSH CX\r
+           PUSH DX\r
+           PUSH SI\r
+           PUSH DI\r
+\r
                MOV AX, SCREEN_SEG      ; work in the vga space\r
                MOV ES, AX            ;\r
                MOV DI, doffset  ;\r
@@ -447,6 +456,15 @@ modexCopyPageRegion(page_t *dest, page_t *src,
                MOV DX, GC_INDEX+1      ; go back to CPU data\r
                MOV AL, 0ffh        ; none from latches\r
                OUT DX, AL            ;\r
+\r
+           POP DI\r
+           POP SI\r
+           POP DX\r
+           POP CX\r
+           POP BX\r
+           POP AX\r
+           POP ES\r
+           POPF\r
     }\r
 }\r
 \r
@@ -1008,6 +1026,15 @@ void modexprintbig(page_t *page, word x, word y, word t, word col, word bgcol, c
        }\r
        //load the letter 'A'\r
        __asm {\r
+           PUSHF\r
+           PUSH ES\r
+           PUSH AX\r
+           PUSH BX\r
+           PUSH CX\r
+           PUSH DX\r
+           PUSH SI\r
+           PUSH DI\r
+\r
                MOV DI, addr\r
                MOV SI, o\r
                MOV ES, s\r
@@ -1022,6 +1049,15 @@ void modexprintbig(page_t *page, word x, word y, word t, word col, word bgcol, c
                INC DI\r
                DEC CX\r
                JNZ L1\r
+\r
+           POP DI\r
+           POP SI\r
+           POP DX\r
+           POP CX\r
+           POP BX\r
+           POP AX\r
+           POP ES\r
+           POPF\r
        }\r
 \r
                for(i=0; i<w; i++)\r