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inversiontest.s
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;
; Copyright 2018-2019 RnD Center "ELVEES", JSC
;
;
; Inverse input image on ELcore-30M
;
.text
inversiontest:
js _main
nop
stop
inversiontest_interrupt:
;-----save context---
move R0.l, R20.l
move A3.l, R31.l
move A7.l, R0.l
subl 0x200, R0.l
move R0.l, A3.l
b _save_regs;
nop
_end_save:
;--------------------
;clear IRQR
move 0, IRQR.l
;------read INTMIS------
move 0x37220028, r0.l
lsrl 0x2, r0.l
move r0.l, a0
move (a0), r0.l
;-------------------------
;get interrupt number
move r24.s, r12.s
btstl r12.s, r0.l
j.cs _reset_intclr
move r25.s, r12.s
btstl r12.s, r0.l
j.cc _interrupt_end
_reset_intclr:
move 0x3722002C, r2.l
lsrl 0x2, r2.l
move r2.l, a0.l
move 0x1, r0.l
lsll r12.s, r0.l
move r0.l, (a0)
;DMA channel now is free. Reset bit in R8
andc r0.s, r8.s
_interrupt_end:
;------restore context----
move A7.l, R0.l
subl 0x200, R0.l
move R0.l, A3.l
b _restore_regs
nop
_end_restore:
move R20.l, R0.l
rti
nop
_main:
andl 0xFFFFF, R4.l
asrl 2, R4.l, R4.l
move 0, r6.l
address_transform:
move A7, R0.l
addl r6.l, R0.l
move R0.l, A0
move (A0), R0.l
asrl 2, R0.l, R0.l
clr R1.s
move R0.l, (A0)
addl 2, r6.l, r6.l
cmpl 16, r6.l
b.ne address_transform
;tile_count
move (A7+8), R6.l
move R6.l, A0.l
move (A0.l), R6.l
move R6.l, R10.l
;channel0 number
move (A7), R14.l
move R14.l, A0.l
move (A0.l), R14.l
move R14.s, R24.s
;channel1 number
move (A0.l+1), R14.l
move R14.s, R25.s
;DMA transfer ready register
clrl R8.l
move R24.s, R12.s
js _send_event_to_dma_
move R24.s, R12.s
js _wait_dma_
cmpl 1, R6.l
js.ne _send_event_to_dma_
move R4.l, A0
move R4.l, AT
js _calculate
move R25.s, R12.s
js _send_event_to_dma_
move R25.s, R12.s
js _wait_dma_
DECL R6.l, R6.l
cmpl 0, R6.l
b.eq _main_end_
start_loop:
move R24.s, R12.s
js _wait_dma_
cmpl 1, R6.l
js.ne _send_event_to_dma_
move (A7+2), R0.l
move R0.l, A0
move R0.l, AT
js _calculate
move R25.s, R12.s
js _send_event_to_dma_
move R25.s, R12.s
js _wait_dma_
DECL R6.l, R6.l
cmpl 0, R6.l
b.eq _main_end_
move R24.s, R12.s
js _wait_dma_
cmpl 1, R6.l
js.ne _send_event_to_dma_
move R4.l, A0
move R4.l, AT
js _calculate
move R25.s, R12.s
js _send_event_to_dma_
move R25.s, R12.s
js _wait_dma_
DECL R6.l, R6.l
cmpl 0, R6.l
b.ne start_loop
_main_end_:
js _wait_all_dma_channels
nop
rts
_send_event_to_dma_:
;DMA channel now is busy
move 1, r0.l
lsll r12.s, r0.l, r0.l
or r0.s, r8.s
;-----------------------
move 0x37220D04, r0.l
lsrl 0x2, r0.l
move r0.l, a2
addl 0x8, r12.l
lsll 27, r12.l
addl 0x340000, r12.l
move r12.l, r0.l
js _wait_dbgstatus
nop
move r0.l, (a2+1)
clrl r0.l
move r0.l, (a2+2)
move r0.l, (a2)
nop
nop
rts
_wait_dma_:
btst r12.s, R8.s
b.cs _wait_dma_
nop
nop
rts
_wait_all_dma_channels:
cmp 0, r8.s
b.ne _wait_all_dma_channels
nop
nop
rts
_calculate:
;tile_size
move (A7+8), R0.l
move R0.l, A4
move (A4 + 1), R26.l
andl 0x000F, r26.l, r0.l
addl.ne 0x0010, r26.l
lsrl 4, r26.l
; iteration minimum = 3
and 0xFFFC, r26.s, r0.s
or.eq 0x0003, r26.s
; address offset
move 4, it.s
; fill r16.q by 16th values 255
clrd r16.d
notd r16.d, r16.d
trd r16.d, r17.d
; data prepairation for loop
move (at)+it, r0.q
sb16 r0.q, r16.q, r18.q
move (at)+it, r0.q
do r26.s, end_BitwiseNot
end_BitwiseNot:
sb16 r0.q, r16.q, r18.q move r18.q, (a0)+ move (at)+it, r0.q
nop
nop
rts
_wait_dbgstatus:
;------read DBGSTATUS------
move 0x37220D00, r28.l
lsrl 0x2, r28.l
move r28.l, a0
move (a0), r28.l
;-------------------------
andl 0x1, r28.l
cmpl 0x1, r28.l
nop
b.eq _wait_dbgstatus
nop
nop
rts
_save_regs:
;Stack pointer
move A6.l, R30.l
move R30.l, (A3)+ ;A6 [0]
;Frame pointer
move A7.l, R30.l
move R30.l, (A3)+ ;A7 [1]
move m0, R30.s
move m1, R31.s
move R30.l, (A3)+ ;m0 m1 [2]
move m2, R30.s
move m3, R31.s
move R30.l, (A3)+ ;m2 m3 [3]
move m4, R30.s
move m5, R31.s
move R30.l, (A3)+ ;m4 m5 [4]
move m6, R30.s
move m7, R31.s
move R30.l, (A3)+ ;m6 m7 [5]
move mt, R30.s
move dt, R31.s
move R30.l, (A3)+ ;MT DT [6]
move sr, R30.s
move ccr, R31.s
move R30.l, (A3)+ ;SR CCR [7]
move pdnr, R30.s
move it, R31.s
move R30.l, (A3)+ ;PDNR IT [8]
move sfr.l, R30.l
move R30.l, (A3)+ ;SFR [9]
move A0.l, R30.l
move R30.l, (A3)+ ;A0 [10]
move A1.l, R30.l
move R30.l, (A3)+ ;A1 [11]
move A2.l, R30.l
move R30.l, (A3)+ ;A2 [12]
move R31.l, R30.l
move R30.l, (A3)+ ;A3 [13]
move A4.l, R30.l
move R30.l, (A3)+ ;A4 [14]
move A5.l, R30.l
move R30.l, (A3)+ ;A5 [15]
move i0, R30.s
move i1, R31.s
move R30.l, (A3)+ ;i0 i1 [16]
move i2, R30.s
move i3, R31.s
move R30.l, (A3)+ ;i2 i3 [17]
move i4, R30.s
move i5, R31.s
move R30.l, (A3)+ ;i4 i5 [18]
move i6, R30.s
move i7, R31.s
move R30.l, (A3)+ ;i6 i7 [19]
move AC0.l, R30.l
move R30.l, (A3)+ ;AC0 [20]
move AC1.l, R30.l
move R30.l, (A3)+ ;AC1 [21]
move AC2.l, R30.l
move R30.l, (A3)+ ;AC2 [22]
move AC3.l, R30.l
move R30.l, (A3)+ ;AC3 [23]
move AC4.l, R30.l
move R30.l, (A3)+ ;AC4 [24]
move AC5.l, R30.l
move R30.l, (A3)+ ;AC5 [25]
move AC6.l, R30.l
move R30.l, (A3)+ ;AC6 [26]
move AC7.l, R30.l
move R30.l, (A3)+ ;AC7 [27]
move AC8.l, R30.l
move R30.l, (A3)+ ;AC8 [28]
move AC9.l, R30.l
move R30.l, (A3)+ ;AC9 [29]
move AC10.l, R30.l
move R30.l, (A3)+ ;AC10 [30]
move AC11.l, R30.l
move R30.l, (A3)+ ;AC11 [31]
move AC12.l, R30.l
move R30.l, (A3)+ ;AC12 [32]
move AC13.l, R30.l
move R30.l, (A3)+ ;AC13 [33]
move AC14.l, R30.l
move R30.l, (A3)+ ;AC14 [34]
move AC15.l, R30.l
move R30.l, (A3)+ ;AC15 [35]
move R0.q, (A3)+ ;R0.q [36-39]
move R2.q, (A3)+ ;R2.q [40-43]
move R4.q, (A3)+ ;R4.q [44-47]
move R6.q, (A3)+ ;R6.q [48-51]
move R8.q, (A3)+ ;R8.q [52-55]
move R10.q, (A3)+ ;R10.q [56-59]
move R12.q, (A3)+ ;R12.q [60-63]
move R14.q, (A3)+ ;R14.q [64-67]
move R16.q, (A3)+ ;R16.q [68-71]
move R18.q, (A3)+ ;R18.q [72-75]
move R20.q, (A3)+ ;R20.q [76-79]
move R22.q, (A3)+ ;R22.q [80-83]
move R24.q, (A3)+ ;R24.q [84-87]
move R26.q, (A3)+ ;R26.q [88-91]
move R28.q, (A3)+ ;R28.q [92-95]
move at.l, R30.l
move R30.l, (A3)+ ;AT [96]
clrl R4.l
clrl R30.l
move sp, R30.s
and 0xF, R30.s
move R30.l, (A3)+
_start_save_ss:
cmp 0x0, R30
b.eq _end_save_ss
nop
dec R30.s, R30.s
move ss, R4.s
move R4.l, (A3)+
b _start_save_ss
nop
_end_save_ss:
move la, R4.s
move lc, R5.s
move R4.l, (A3)+
move sp, R30.s
lsr 0x8, R30.s, R30.s
and 0x7, R30
move R30.l, (A3)+
_start_save_cs:
cmp 0x0, R30
b.eq _end_save_cs
nop
dec R30, R30
move csh, R4.s
move csl, R5.s
move R4.l, (A3)+
b _start_save_cs
nop
_end_save_cs:
b _end_save
nop
; ************************************ _restore_regs *****************
; description: it restores context in interrupt handler
;
; ********************************************************************
_restore_regs:
move A3.l, R4.l
move R4.l, R30.l
addl 0x61, R30.l
move R30.l, A3.l
move (A3), R30.l
andl 0xF, R30.l
cmpl 0x0, R30.l
b.eq _end_restore_ss
nop
move A3.l, R0.l
addl R30.l, R0.l
move R0.l, A3.l
_start_restore_ss:
move (A3)-, R2.l
move R2.s, ss
dec R30, R30
cmp 0x0, R30
b.ne _start_restore_ss
nop
_end_restore_ss:
addl 0x1, R0.l
move R0.l, A3.l
move (A3)+, R30.l
move R30.s, la
move R31.s, lc
move (A3), R30.l
andl 0x7, R30.l
cmpl 0x0, R30.l
b.eq _end_restore_cs
nop
addl R30.l, R0.l
move R0.l, A3.l
_start_restore_cs:
move (A3)-, R2.l
move R2.s, csh
move R3.s, csl
dec R30, R30
cmp 0x0, R30
b.ne _start_restore_cs
nop
_end_restore_cs:
move R4.l, A3.l
;Stack pointer
move (A3)+, R30.l ;A6 [0]
move R30.l, A6.l
;Frame pointer
move (A3)+, R30.l ;A7 [1]
move R30.l, A7.l
move (A3)+, R30.l ;m0 m1 [2]
move R30.s, m0
move R31.s, m1
move (A3)+, R30.l ;m2 m3 [3]
move R30.s, m2
move R31.s, m3
move (A3)+, R30.l ;m4 m5 [4]
move R30.s, m4
move R31.s, m5
move (A3)+, R30.l ;m6 m7 [5]
move R30.s, m6
move R31.s, m7
move (A3)+, R30.l ;MT DT [6]
move R30.s, mt
move R31.s, dt
move (A3)+, R30.l ;SR CCR [7]
move R30.s, sr
move R31.s, ccr
move (A3)+, R30.l ;PDNR IT [8]
move R30.s, pdnr
move R31.s, it
move (A3)+, R30.l ;SFR [9]
move R30.l, sfr.l
move (A3)+, R30.l ;A0 [10]
move R30.l, A0.l
move (A3)+, R30.l ;A1 [11]
move R30.l, A1.l
move (A3)+, R30.l ;A2 [12]
move R30.l, A2.l
move (A3)+, R30.l ;A3 [13]
move R30.l, R31.l
move (A3)+, R30.l ;A4 [14]
move R30.l, A4.l
move (A3)+, R30.l ;A5 [15]
move R30.l, A5.l
move (A3)+, R30.l ;i0 i1 [16]
move R30.s, i0
move R31.s, i1
move (A3)+, R30.l ;i2 i3 [17]
move R30.s, i2
move R31.s, i3
move (A3)+, R30.l ;i4 i5 [18]
move R30.s, i4
move R31.s, i5
move (A3)+, R30.l ;i6 i7 [19]
move R30.s, i6
move R31.s, i7
move (A3)+, R30.l ;AC0 [20]
move R30.l, AC0.l
move (A3)+, R30.l ;AC1 [21]
move R30.l, AC1.l
move (A3)+, R30.l ;AC2 [22]
move R30.l, AC2.l
move (A3)+, R30.l ;AC3 [23]
move R30.l, AC3.l
move (A3)+, R30.l ;AC4 [24]
move R30.l, AC4.l
move (A3)+, R30.l ;AC5 [25]
move R30.l, AC5.l
move (A3)+, R30.l ;AC6 [26]
move R30.l, AC6.l
move (A3)+, R30.l ;AC7 [27]
move R30.l, AC7.l
move (A3)+, R30.l ;AC8 [28]
move R30.l, AC8.l
move (A3)+, R30.l ;AC9 [29]
move R30.l, AC9.l
move (A3)+, R30.l ;AC10 [30]
move R30.l, AC10.l
move (A3)+, R30.l ;AC11 [31]
move R30.l, AC11.l
move (A3)+, R30.l ;AC12 [32]
move R30.l, AC12.l
move (A3)+, R30.l ;AC13 [33]
move R30.l, AC13.l
move (A3)+, R30.l ;AC14 [34]
move R30.l, AC14.l
move (A3)+, R30.l ;AC15 [35]
move R30.l, AC15.l
move (A3)+, R0.q ;R0.q [36-39]
move (A3)+, R2.q ;R2.q [40-43]
move (A3)+, R4.q ;R4.q [44-47]
move (A3)+, R6.q ;R6.q [48-51]
move (A3)+, R10.q ;R8.q [52-55]
move (A3)+, R10.q ;R10.q [56-59]
move (A3)+, R12.q ;R12.q [60-63]
move (A3)+, R14.q ;R14.q [64-67]
move (A3)+, R16.q ;R16.q [68-71]
move (A3)+, R18.q ;R18.q [72-75]
move (A3)+, R20.q ;R20.q [76-79]
move (A3)+, R22.q ;R22.q [80-83]
move (A3)+, R24.q ;R24.q [84-87]
move (A3)+, R26.q ;R26.q [88-91]
move (A3)+, R28.q ;R28.q [92-95]
move (A3)+, R30.l ;AT [96]
move R30.l, at.l
b _end_restore
nop