15 lines
203 B
ArmAsm
15 lines
203 B
ArmAsm
|
|
|
|
#if CONFIG_IEC
|
|
|
|
|
|
iec_wait_for_data_release:
|
|
|
|
lda CIA2_PRA
|
|
// Check the highest bit, which is DATA IN,
|
|
// (highest bit set = negative value)
|
|
bpl iec_wait_for_data_release
|
|
rts
|
|
|
|
#endif // CONFIG_IEC
|