build/sim/dut_tb: rename needs to wait

diff --git a/litex/build/sim/dut_tb.cpp b/litex/build/sim/dut_tb.cpp
index 0fbf45b4eafab30a71629193330e9eb03944b58b..e5bf8b1fdc4a687dff7d706f7814a00bc79a19d6 100644 (file)
--- a/litex/build/sim/dut_tb.cpp
+++ b/litex/build/sim/dut_tb.cpp
@@ -216,18 +216,18 @@ int vga_init(struct sim *s) {
 
 int x;
 int y;
-int hsync_needs_de = 1;
-int vsync_needs_de = 1;
+int hsync_wait_de = 1;
+int vsync_wait_de = 1;
 
 void vga_service(struct sim *s) {
-       if(VGA_HSYNC == 1 && hsync_needs_de == 0) {
+       if(VGA_HSYNC == 1 && hsync_wait_de == 0) {
                x = 0;
                y++;
-               hsync_needs_de = 1;
+               hsync_wait_de = 1;
        }
-       if(VGA_VSYNC == 1 && vsync_needs_de == 0) {
+       if(VGA_VSYNC == 1 && vsync_wait_de == 0) {
                y = 0;
-               vsync_needs_de = 1;
+               vsync_wait_de = 1;
                if(SDL_MUSTLOCK(screen))
                        SDL_UnlockSurface(screen);
                SDL_Flip(screen);
@@ -235,8 +235,8 @@ void vga_service(struct sim *s) {
                        SDL_LockSurface(screen);
        }
        if(VGA_DE == 1) {
-               hsync_needs_de = 0;
-               vsync_needs_de = 0;
+               hsync_wait_de = 0;
+               vsync_wait_de = 0;
                vga_set_pixel(screen, x, y, VGA_R, VGA_G, VGA_B);
                x++;
        }