; #def SAMPL_MASK0        = 0x00B0        ; Address in DM to store the sample mask
  ; #def SAMPL_MASK1        = 0x00B4        ; Address in DM to store the sample mask
  ; #def SAMPL_MASK2        = 0x00B8        ; Address in DM to store the sample mask

;    #def SAMPL_MASK         = 0x00B0        ; Address in DM to store the sample mask
;    #def SAMPL_MASK         = 0x00B4        ; Address in DM to store the sample mask
;    #def SAMPL_MASK         = 0x00B8        ; Address in DM to store the sample mask

; this is include file for the main fit program

; OR the event buffer indicators (EBI) for the channels contributing to tracklets
; all EBIs stored before in RAM by each CPU
; linear code without loops, to gain some CPU clocks

; modified: r1, r2, r13, r15
; results stored in 3 x 32 bit RAM words, at SAMPL_MASK0, 1, 2

        mov EBI_CP0, r13        ; start address of the copied event buffers indicators - here for CPU0, as we need the complete array, not only the part calculated by CPU3
        ; this will be repeated for cpu0..2 - 3 times - 16 CPU clocks
        mov adc_ch_msk0, r1     ; the ADC start channel

        cmp r1, CH_NR_NO_TRCK   ; 23, used to mark no tracklet
        jmp cc_eq, _acq_or_c1   ; skip the part for CPU0, go to the tracklet of CPU1 (unprobable)

        shl 2, r1, r1           ; multiply by 4 as the address is byte-address, our data are 32-bit!
        add r13, r1, r15        ; add 4*start channel
        nop

        ; now OR the event buffer indicators

        lra  rr_dword, r1
        lra+ rr_dword, r1       ; read the sample mask in the first channel
        nop                     ; don't change the memory read pointer r15 just before reading!
        lra  rr_dword, r2       ;
        lra+ rr_dword, r2       ; read the sample mask in the second channel
        or  r2, r1, r1          ; or the masks
        lra  rr_dword, r2       ;
        lra+ rr_dword, r2       ; read the sample mask in the third channel
        or  r2, r1, r1          ; OR the masks
        lra  rr_dword, r2       ;
        lra+ rr_dword, r2       ; read the sample mask in the fourth channel
        or  r2, r1, r1
        sra r1, SAMPL_MASK0

_acq_or_c1:     ; sample mask and Q2 for cpu1
        mov adc_ch_msk1, r1     ; the ADC start channel

        cmp r1, CH_NR_NO_TRCK   ; 23, used to mark no tracklet
        jmp cc_eq, _acq_or_c2

        shl 2, r1, r1           ; multiply by 4 as the address is byte-address, our data are 32-bit!
        add r13, r1, r15        ; add 4*start channel
        nop

        ; now OR the event buffer indicators

        lra  rr_dword, r1
        lra+ rr_dword, r1       ; read the sample mask in the first channel
        nop                     ; don't change the memory read pointer r15 just before reading!
        lra  rr_dword, r2       ;
        lra+ rr_dword, r2       ; read the sample mask in the second channel
        or  r2, r1, r1          ; or the masks
        lra  rr_dword, r2       ;
        lra+ rr_dword, r2       ; read the sample mask in the third channel
        or  r2, r1, r1          ; OR the masks
        lra  rr_dword, r2       ;
        lra+ rr_dword, r2       ; read the sample mask in the fourth channel
        or  r2, r1, r1
        sra r1, SAMPL_MASK1

_acq_or_c2:     ; sample mask and Q2 for cpu2
        mov adc_ch_msk2, r1     ; the ADC start channel

        cmp r1, CH_NR_NO_TRCK   ; 23, used to mark no tracklet
        jmp cc_eq, _acq_or_fin

        shl 2, r1, r1           ; multiply by 4 as the address is byte-address, our data are 32-bit!
        add r13, r1, r15        ; add 4*start channel
        nop

        ; now OR the event buffer indicators

        lra  rr_dword, r1
        lra+ rr_dword, r1       ; read the sample mask in the first channel
        nop                     ; don't change the memory read pointer r15 just before reading!
        lra  rr_dword, r2       ;
        lra+ rr_dword, r2       ; read the sample mask in the second channel
        or  r2, r1, r1          ; or the masks
        lra  rr_dword, r2       ;
        lra+ rr_dword, r2       ; read the sample mask in the third channel
        or  r2, r1, r1          ; OR the masks
        lra  rr_dword, r2       ;
        lra+ rr_dword, r2       ; read the sample mask in the fourth channel
        or  r2, r1, r1
        sra r1, SAMPL_MASK2

_acq_or_fin:
        nop