21 lines
354 B
ArmAsm
21 lines
354 B
ArmAsm
|
|
//
|
|
// Official Kernal routine, described in:
|
|
//
|
|
// - [RG64] C64 Programmer's Reference Guide - page 274
|
|
// - [CM64] Compute's Mapping the Commodore 64 - page 224/225
|
|
//
|
|
// CPU registers that has to be preserved (see [RG64]): .Y
|
|
//
|
|
|
|
|
|
ACPTR:
|
|
|
|
jsr kernalstatus_reset
|
|
|
|
#if CONFIG_IEC
|
|
jmp iec_rx_byte
|
|
#else
|
|
jmp kernalerror_ILLEGAL_DEVICE_NUMBER
|
|
#endif
|