another sonic homebrew for saturn ?

SegaSaturnShrine · Apr 13, 2017

BOSS!*

vbt · Sep 10, 2017

August's change log :

08/30/2017:

08/12/2017:

NEW: Draw 3D billboard (Thx Null1024)
- jo_3d_draw_billboard()
NEW: Filesystem functions (Thx XL2)
- jo_fs_open()
- jo_fs_close()
- jo_fs_read_next_bytes()
NEW: Memset implementation
- jo_memset()
FIX: jo_draw_background_line() crash the system if dx == dy == 1
NEW: math functions:
- JO_SWAP
  - Swap two values without temporary variable
- jo_planar_rotate()
  - Rotate a point on the plan with a specific origin
- jo_float2fixed()
  - Convert float to jo engine fixed (avoid usage of GCC Soft Float)
NEW: get last item of a list
- jo_list_last()
NEW: new system backup implementation without any library
NEW: new sprite manager implementation without any library
FIX: JO_DEG_TO_RAD()
NEW: Shadow and screen doors filter for sprites
NEW: Disable / enable reset button
- jo_core_disable_reset()
- jo_core_enable_reset()
NEW: Low level copy to cram / vram
- jo_palette_to_cram
  - Copies the image palette data to CRAM
- jo_cell_to_vram
  - Copies the image cel data to VRAM
- jo_map_to_vram
  - Copies the image map data to VRAM
NEW: Dump VDP1/2 registry (works only on real hardware)
- jo_dump_vdp1_registers()
- jo_dump_vdp2_registers()
NEW: Compile without SGL (using jo engine custom implementation)
- Use: COMPILE_USING_SGL = 0 in makefile
- WARNING: This option is currently in devlopment, so the SGL isn't completely removed today but soon 🙂

vbt · Mar 18, 2018

vbt · Feb 2, 2019

01/08/2019:

FIX: Errors when building sonic and shooter demos (pull-request by Miracoli)
FIX: First part of changes for native linux support (pull-request by Miracoli)
FIX: Issue #1 : -ffunction-sections and -fdata-sections removed from Makefile (issue by Holmak)
FIX: Issue #2: Magenta colours in colors.h misnamed (issue by 2Tie)