wait *that* was the thing preventing the entire terminal from displaying

src/client/java/net/brokenmoon/redcontrol/screen/TerminalScreen.kt

@@ -14,6 +14,7 @@ import net.minecraft.client.gl.Framebuffer
 import net.minecraft.client.gl.SimpleFramebuffer
 import net.minecraft.client.gui.DrawContext
 import net.minecraft.client.gui.screen.Screen
+import net.minecraft.client.render.BufferRenderer
 import net.minecraft.client.render.VertexFormat.DrawMode
 import net.minecraft.client.render.VertexFormats
 import net.minecraft.network.PacketByteBuf
@@ -140,7 +141,7 @@ class TerminalScreen(val te: TerminalEntity) : Screen(Text.translatable("block.r
         buf.vertex(0.0, sheight, 0.0).texture(0f, 0f).color(255, 255, 255, 255).next()
         buf.vertex(swidth, sheight, 0.0).texture(1f, 0f).color(255, 255, 255, 255).next()
         buf.vertex(swidth, 0.0, 0.0).texture(1f, 1f).color(255, 255, 255, 255).next()
-        buf.end()
+        BufferRenderer.draw(buf.end())
         //BufferRenderer.postDraw(buf) //TODO: figure out why this is gone
 
         shader.unbind()