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; Some nasm macros to turn on TS-1325 LEDs and wait for button presses.
; This should be '%include'ed in your nasm source file.
;
; Tony Ambardar
P1LTC equ 0F862h
P1PIN equ 0F860h
%macro LED_OFF 0
mov dx, P1LTC
in al, dx
or al, 01000000b ; turn off red
and al, 11011111b ; turn off green
out dx, al
%endmacro
%macro LED_GRN 0
mov dx, P1LTC
in al, dx
or al, 01100000b ; turn off red, turn on green
out dx, al
%endmacro
%macro LED_YEL 0
mov dx, P1LTC
in al, dx
or al, 00100000b ; turn on green
and al, 10111111b ; turn on red
out dx, al
%endmacro
%macro LED_RED 0
mov dx, P1LTC
in al, dx
and al, 10011111b ; turn on red, turn off green
out dx, al
%endmacro
%macro PSW_WAIT 0
mov dx, P1PIN ; Get PSW state
mov ecx, 80000h
%%read in al, dx
test al, 00000001b ; is PSW asserted?
jnz %%read ; if not, we're done
dec ecx
jnz %%read
%endmacro
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