lifning/gpsp
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Remove video vars serialization

Browse source 
This is not needed at all, since the variables are not updated between
reload and end-of-frame (where we take our savestates). Added a reload
call during gba_load_state() to initialize it from the I/O regs.
This commit is contained in:
David Guillen Fandos 2021-08-15 23:27:04 +02:00
parent 745b2ece2c
commit 7f7d066854
4 changed files with 18 additions and 12 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
gba_memory.c
View file

@ -3122,8 +3122,7 @@ void memory_term(void)
input_##type##_savestate(); \
main_##type##_savestate(); \
memory_##type##_savestate(); \
sound_##type##_savestate(); \
video_##type##_savestate()
sound_##type##_savestate();
const u8 *state_mem_read_ptr;
@ -3152,6 +3151,8 @@ void gba_load_state(const void* src)
convert_palette(current_color);
}
video_reload_counters();
// Oops, these contain raw pointers
for(i = 0; i < 4; i++)
gbc_sound_channel[i].sample_table_idx = 2;

9
main.c
View file

@ -195,14 +195,7 @@ u32 update_gba(void)
irq_raised |= IRQ_VBLANK;
}
affine_reference_x[0] =
(s32)(readaddress32(io_registers, 0x28) << 4) >> 4;
affine_reference_y[0] =
(s32)(readaddress32(io_registers, 0x2C) << 4) >> 4;
affine_reference_x[1] =
(s32)(readaddress32(io_registers, 0x38) << 4) >> 4;
affine_reference_y[1] =
(s32)(readaddress32(io_registers, 0x3C) << 4) >> 4;
video_reload_counters();
for(i = 0; i < 4; i++)
{

13
video.c
View file

@ -2336,6 +2336,19 @@ static void render_scanline_text_transparent_alpha(u32 layer,
s32 affine_reference_x[2];
s32 affine_reference_y[2];
void video_reload_counters()
{
/* This happens every Vblank */
affine_reference_x[0] = (s32)(read_ioreg(REG_BG2X_L) |
((read_ioreg(REG_BG2X_H) & 0xFFF) << 16));
affine_reference_y[0] = (s32)(read_ioreg(REG_BG2Y_L) |
((read_ioreg(REG_BG2Y_H) & 0xFFF) << 16));
affine_reference_x[1] = (s32)(read_ioreg(REG_BG3X_L) |
((read_ioreg(REG_BG3X_H) & 0xFFF) << 16));
affine_reference_y[1] = (s32)(read_ioreg(REG_BG3Y_L) |
((read_ioreg(REG_BG3Y_H) & 0xFFF) << 16));
}
#define affine_render_bg_pixel_normal() \
current_pixel = palette_ram_converted[0] \

3
video.h
View file

@ -21,8 +21,7 @@
#define VIDEO_H
void update_scanline(void);
void video_write_savestate(void);
void video_read_savestate(void);
void video_reload_counters(void);
extern s32 affine_reference_x[2];
extern s32 affine_reference_y[2];