case 0x05:
gpu.screen.x = data & 0x3ff;
gpu.screen.y = (data >> 10) & 0x3ff;
- if (gpu.frameskip.set)
+ if (gpu.frameskip.set && gpu.frameskip.last_flip_frame != *gpu.state.frame_count) {
decide_frameskip();
+ gpu.frameskip.last_flip_frame = *gpu.state.frame_count;
+ }
break;
case 0x06:
gpu.screen.x1 = data & 0xfff;
gpu.ex_regs[1] &= ~0x1ff;
gpu.ex_regs[1] |= list[5] & 0x1ff;
}
+ else if (cmd == 0xe3)
+ {
+ // no frameskip if it decides to draw to display area,
+ // but not for interlace since it'll most likely always do that
+ uint32_t x = list[0] & 0x3ff;
+ uint32_t y = (list[0] >> 10) & 0x3ff;
+ gpu.frameskip.allow = gpu.status.interlace ||
+ (uint32_t)(x - gpu.screen.x) >= (uint32_t)gpu.screen.w ||
+ (uint32_t)(y - gpu.screen.y) >= (uint32_t)gpu.screen.h;
+ }
if (2 <= cmd && cmd < 0xc0)
vram_dirty = 1;
else if ((cmd & 0xf8) == 0xe0)
}
if (pos - start > 0) {
- if (!gpu.frameskip.active)
+ if (!gpu.frameskip.active || !gpu.frameskip.allow)
do_cmd_list(data + start, pos - start);
start = pos;
}