pu3 poc4

1 files changed, 6 insertions, 1 deletions

diff --git a/pu3/pu3.cpu.c b/pu3/pu3.cpu.c
index 0597027..312b5a8 100644
--- a/pu3/pu3.cpu.c
+++ b/pu3/pu3.cpu.c
@@ -239,7 +239,12 @@ double bench_cycle(byte instr, pu3_ctx ctx) {
         set_data_u16(ctx.memory.memory_u64[ i ], 2);
         set_dest_u32(ctx.memory.memory_u64[ i ], 4);
 
-        if (i == ctx.mem_size - 20) set_scroll_byte(ctx.memory.memory_u64[ i ], 1);
+        if (i == ctx.mem_size - 20) {
+            let j = 0;
+            for (j = 0; j < 20; j++) {
+                set_scroll_byte(ctx.memory.memory_u64[ ctx.mem_size - j ], 1);
+            }
+        }
     }
     set_scroll_byte(ctx.memory.memory_u64[ i ], 0);
     *ctx.pc = 8;