gbdk-2020 | GameBoy Development Kit |
| download: https://git.y1.nz/archives/gbdk.tar.gz | |
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gbdk-lib/examples/gb/mbc7_accelerometer/src/vsync_no_halt.c
1 #include <gbdk/platform.h>
2
3 void vsync_no_halt(void) {
4
5 // Return if the screen isn't on since
6 // VBL isr to toggle vbl_done won't run
7 if ((LCDC_REG & LCDCF_ON) == 0) return;
8
9 // Wait until VBlank ISR marks the frame done
10 VBL_DONE = 0;
11 while (VBL_DONE == 0);
12 }
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