REM NOTE: xmplay pins its OWN SDCC version here, independent of the rest of
REM ft812sdk (which stays on 4.0.0 for ABI reasons - see project memory on
REM the earlier shared-lib ABI mismatch incident). 4.6.0 is needed here
REM specifically for --sdcccall 1, required to link demyanenko-d/
REM VGMPLAY.WMF's wc_api library (wc_api.lib) - our own hand-rolled
REM PRSRW+PRIAT implementations corrupted esp32 file loading in three
REM different shapes and were abandoned in favor of their tested code.
set SDCC=E:\SDCC\4.6.0
set path=%SDCC%\bin;E:\zx-evo-master\pentevo\tools\hex2bin;%path%

if not exist obj md obj
del /q /s obj >nul

sdasz80 -o obj/crt0.rel src/crt0.s
if errorlevel 1 pause & exit

sdcc -Isrc -I../lib/sdk -I../../../esp32/src/main -mz80 --sdcccall 1 --std-sdcc11 --opt-code-speed --no-std-crt0 obj/crt0.rel --code-loc 0x8003 --data-loc 0xA800 src/main.c wc_api.lib -o obj/out.hex
if errorlevel 1 pause & exit
if exist obj/out.hex hex2bin obj/out.hex >nul

for %%i in (obj/out.bin) do set sz=%%~zi
set /a sz=(%sz% - 1) / 512 + 1

REM A WC plugin page is exactly 16KB = 32 512-byte blocks (WALK in WCVW.ASM
REM loads N_BLK0 blocks straight off disk into the #C000-#FFFF window as
REM one contiguous chunk - anything past 32 blocks overflows that window).
REM This is what broke ftview's [PLUGINS] autoload (33 blocks needed, only
REM 32 available) - fixed there by moving --data-loc from 0xAE00 down to
REM 0xA800, applied here too for consistency and headroom as xmplay grows.
if %sz% GTR 32 (
  echo ERROR: build needs %sz% x 512-byte blocks, but a single WC plugin page holds only 32 - shrink the code or lower --data-loc's headroom above it.
  pause
  exit
)

REM Pad obj/out.bin up to a whole number of 512-byte blocks (sz*512 bytes).
REM hex2bin only emits the bytes actually present in the hex file, which
REM generally is NOT block-aligned, while N_BLK0 above always rounds up -
REM technically short of what the header promises, though not the cause
REM of the overflow bug above.
set /a padded=%sz% * 512
powershell -NoProfile -Command "$fs=[System.IO.File]::Open('obj\out.bin',[System.IO.FileMode]::Open,[System.IO.FileAccess]::Write); $fs.SetLength(%padded%); $fs.Close()"

sdcc -DN_BLK0=%sz% -Isrc -I../lib/sdk --no-std-crt0 -mz80 --std-sdcc11 --opt-code-speed src/wc_h.c -o obj/hdr.hex
if errorlevel 1 pause & exit
if exist obj/hdr.hex hex2bin obj/hdr.hex >nul

copy /b obj\hdr.bin + obj\out.bin xmplay.wmf >nul