45 lines
632 B
ArmAsm
45 lines
632 B
ArmAsm
// #LAYOUT# STD * #TAKE
|
|
// #LAYOUT# * BASIC_0 #TAKE
|
|
// #LAYOUT# * * #IGNORE
|
|
|
|
//
|
|
// Fetches device number and secondary address - if they are present
|
|
//
|
|
|
|
|
|
fetch_device_secondary:
|
|
|
|
// Fetch the device number
|
|
|
|
jsr injest_comma
|
|
bcs fetch_secondary
|
|
|
|
jsr basic_parse_line_number
|
|
lda LINNUM+1
|
|
bne_16 do_ILLEGAL_QUANTITY_error
|
|
|
|
lda LINNUM+0
|
|
sta FA
|
|
|
|
// FALLTROUGH
|
|
|
|
fetch_secondary:
|
|
|
|
// Fetch secondary address
|
|
|
|
jsr injest_comma
|
|
bcs fetch_device_secondary_done
|
|
|
|
jsr basic_parse_line_number
|
|
lda LINNUM+1
|
|
bne_16 do_ILLEGAL_QUANTITY_error
|
|
|
|
lda LINNUM+0
|
|
sta SA
|
|
|
|
// FALLTROUGH
|
|
|
|
fetch_device_secondary_done:
|
|
|
|
rts
|