@echo off
setlocal enabledelayedexpansion

set "CC65_SAMPLES=C:\Development\Commodore\cc65-snapshot-win64 (1)\samples"
set "OUTDIR=%~dp0"

where cl65 >nul 2>nul
if errorlevel 1 (
  echo cl65 was not found on PATH.
  echo Install cc65 or add its bin directory to PATH.
  exit /b 1
)

pushd "!CC65_SAMPLES!"
if errorlevel 1 (
  echo Could not cd to !CC65_SAMPLES!
  exit /b 1
)

cl65 -t c64 -DMOUSE_DRIVER=c64_1351_mou -O -o "%OUTDIR%mousedemo-upstream.prg" mousedemo.c
set BUILD_ERR=%errorlevel%
popd

if %BUILD_ERR% neq 0 (
  echo build failed.
  exit /b 1
)

echo built mousedemo-upstream.prg successfully.