diff options
Diffstat (limited to 'gba/source/link.c')
-rw-r--r-- | gba/source/link.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/gba/source/link.c b/gba/source/link.c index acadf3b..26443c8 100644 --- a/gba/source/link.c +++ b/gba/source/link.c | |||
@@ -27,6 +27,21 @@ void waitForAck() | |||
27 | REG_HS_CTRL |= JOY_RW; | 27 | REG_HS_CTRL |= JOY_RW; |
28 | } | 28 | } |
29 | 29 | ||
30 | u32 waitForResponse() | ||
31 | { | ||
32 | u32 val; | ||
33 | |||
34 | REG_JOYTR = 1; | ||
35 | while ((REG_HS_CTRL & JOY_WRITE) == 0); | ||
36 | val = REG_JOYRE; | ||
37 | REG_HS_CTRL |= JOY_RW; | ||
38 | REG_JOYTR = 0; | ||
39 | while ((REG_HS_CTRL & JOY_WRITE) == 0); | ||
40 | REG_HS_CTRL |= JOY_RW; | ||
41 | |||
42 | return val; | ||
43 | } | ||
44 | |||
30 | void sendS32(s32 val) | 45 | void sendS32(s32 val) |
31 | { | 46 | { |
32 | REG_JOYTR = val; | 47 | REG_JOYTR = val; |
@@ -36,3 +51,10 @@ void sendU32(u32 val) | |||
36 | { | 51 | { |
37 | REG_JOYTR = val; | 52 | REG_JOYTR = val; |
38 | } | 53 | } |
54 | |||
55 | void directSendU32(u32 val) | ||
56 | { | ||
57 | REG_JOYTR = val; | ||
58 | while ((REG_HS_CTRL & JOY_READ) == 0); | ||
59 | REG_HS_CTRL |= JOY_RW; | ||
60 | } | ||