bilbo/dreamcast
1
0
Fork 0
Code Pull Requests Activity

vga: remove V_SYNC defines

Browse Source
This commit is contained in:
Zack Buhman 2023-12-24 20:32:52 +08:00
parent e340c3ca02
commit 4842b489d1
1 changed files with 4 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
vga.cpp
View File

@ -97,26 +97,22 @@ void vga2()
void v_sync_in() void v_sync_in()
{ {
#define V_SYNC (1<<13) while (!spg_status::vsync(holly.SPG_STATUS)) {
while (!(V_SYNC & holly.SPG_STATUS)) {
asm volatile ("nop"); asm volatile ("nop");
} }
while ((V_SYNC & holly.SPG_STATUS)) { while (spg_status::vsync(holly.SPG_STATUS)) {
asm volatile ("nop"); asm volatile ("nop");
} }
#undef V_SYNC
} }
void v_sync_out() void v_sync_out()
{ {
#define V_SYNC (1<<13) while (spg_status::vsync(holly.SPG_STATUS)) {
while ((V_SYNC & holly.SPG_STATUS)) {
asm volatile ("nop"); asm volatile ("nop");
} }
while (!(V_SYNC & holly.SPG_STATUS)) { while (!spg_status::vsync(holly.SPG_STATUS)) {
asm volatile ("nop"); asm volatile ("nop");
} }
#undef V_SYNC
} }
void vga() void vga()