apple2idiot/examples/defunct-explorations/ntp_prodos_clock_driver/asm/PDCLOCKTEST.S
2021-12-27 12:41:59 -07:00

13 lines
584 B
ArmAsm

* :asmsyntax=nasm
ORG $8000
CLD
clock_address EQU $bf07 ; points to address of clock driver code
clock_address EQU $bf08 ; points to address of clock driver code
date1_address EQU $bf90 ; prodos Y6-Y0 and M3 address bits
date2_address EQU $bf91 ; prodos M2-M0 and D4-D0 address bits
bday1 EQU ; Hardcode my birthday for testing
bday2 EQU ; Hardcode my birthday for testing
machid EQU $bf98 ; bit 0 -> 1=clock found, 0=no clock