Files
open-roms/c64/kernal/iec/iec_send_file_name.s
T
2019-11-27 20:28:35 +01:00

45 lines
611 B
ArmAsm

//
// Sends file (stream) name to IEC device
//
#if CONFIG_IEC
iec_send_file_name:
ldy #0
iec_send_file_name_loop:
cpy FNLEN
beq iec_send_file_name_done
#if CONFIG_MEMORY_MODEL_60K
ldx #<FNADDR+0
jsr peek_under_roms
#else // CONFIG_MEMORY_MODEL_38K
lda (FNADDR),y
#endif
iny
// Set Carry flag on the last file name character, to mark EOI
cpy FNLEN
clc
bne !+
sec
!:
// Transmit one character
sta TBTCNT
#if CONFIG_IEC_JIFFYDOS
jsr iec_tx_dispatch
#else // no turbo supported
jsr iec_tx_byte
#endif
jmp iec_send_file_name_loop
iec_send_file_name_done:
jmp UNLSN
#endif // CONFIG_IEC