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343ede8328daa2dc44f9cb8b7b14af6905c7d27f
FPGA_Config/FPGA_by_Fredi/blitter.tdf
David Gálvez 343ede8328 Sync with Fredi's source tree 18/04/2017 
Blitter work.
2018-04-09 17:23:44 +02:00

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-- WARNING: Do NOT edit the input and output ports in this file in a text
-- editor if you plan to continue editing the block that represents it in
-- the Block Editor! File corruption is VERY likely to occur.
-- Copyright (C) 1991-2010 Altera Corporation
-- Your use of Altera Corporation's design tools, logic functions
-- and other software and tools, and its AMPP partner logic
-- functions, and any output files from any of the foregoing
-- (including device programming or simulation files), and any
-- associated documentation or information are expressly subject
-- to the terms and conditions of the Altera Program License
-- Subscription Agreement, Altera MegaCore Function License
-- Agreement, or other applicable license agreement, including,
-- without limitation, that your use is for the sole purpose of
-- programming logic devices manufactured by Altera and sold by
-- Altera or its authorized distributors. Please refer to the
-- applicable agreement for further details.
-- Generated by Quartus II Version 9.1 (Build Build 350 03/24/2010)
-- Created on Sat Jan 15 11:06:17 2011
INCLUDE "lpm_bustri_WORD.inc";
INCLUDE "VIDEO/BLITTER/lpm_clshift384.INC";
INCLUDE "VIDEO/BLITTER/altsyncram0.INC";
INCLUDE "VIDEO/BLITTER/lpm_clshift144.inc";
--CONSTANT BL_SKEW_LF = 255;
-- Title Statement (optional)
TITLE "Blitter";
-- Parameters Statement (optional)
-- {{ALTERA_PARAMETERS_BEGIN}} DO NOT REMOVE THIS LINE!
-- {{ALTERA_PARAMETERS_END}} DO NOT REMOVE THIS LINE!
-- Subdesign Section
SUBDESIGN BLITTER
(
-- {{ALTERA_IO_BEGIN}} DO NOT REMOVE THIS LINE!
nRSTO : INPUT;
MAIN_CLK : INPUT;
FB_ALE : INPUT;
nFB_WR : INPUT;
nFB_OE : INPUT;
FB_SIZE0 : INPUT;
FB_SIZE1 : INPUT;
VIDEO_RAM_CTR[15..0] : INPUT;
BLITTER_ON : INPUT;
FB_ADR[31..0] : INPUT;
nFB_CS1 : INPUT;
nFB_CS2 : INPUT;
nFB_CS3 : INPUT;
DDRCLK0 : INPUT;
VDP_IN[63..0] : INPUT;
BLITTER_DACK[4..0] : INPUT;
SR_BLITTER_DACK : INPUT;
BLITTER_RUN : OUTPUT;
BLITTER_INT : OUTPUT;
BLITTER_DOUT[127..0] : OUTPUT;
BLITTER_ADR[31..0] : OUTPUT;
BLITTER_SIG : OUTPUT;
BLITTER_WR : OUTPUT;
BLITTER_TA : OUTPUT;
FB_AD[31..0] : BIDIR;
-- {{ALTERA_IO_END}} DO NOT REMOVE THIS LINE!
)
VARIABLE
BYT :NODE;
LONGLINE :NODE;
W_ADR[18..0] :NODE;
FB_16B[1..0] :NODE;
W_A1 :DFFE;
BLITTER_CS :NODE;
BL_HRAM_CS :NODE;
BL_HRAM_BE[1..0] :NODE;
BL_HRAM_OUT[15..0] :NODE;
BL_DPRAM_OUT[15..0] :NODE;
BL_SRC_X_INC_CS :NODE;
BL_SRC_X_INC[15..0] :DFFE;
SRC_XINC_NODE[31..0] :NODE;
BL_SRC_Y_INC_CS :NODE;
BL_SRC_Y_INC[15..0] :DFFE;
SRC_YINC_NODE[31..0] :NODE;
BL_ENDMASK1_CS :NODE;
BL_ENDMASK1[15..0] :DFFE;
BL_ENDMASK2_CS :NODE;
BL_ENDMASK2[15..0] :DFFE;
BL_ENDMASK3_CS :NODE;
BL_ENDMASK3[15..0] :DFFE;
BL_SRC_ADRH_CS :NODE;
BL_SRC_ADRL_CS :NODE;
BL_SRC_ADR[31..0] :DFFE;
SRC_IADRH_CS :NODE;
SRC_IADRL_CS :NODE;
SRC_IADR[31..0] :DFF;
SRC_IADR_CLR :NODE;
SIINC :NODE;
SRC_ADR_NODE[31..0] :NODE;
BL_DST_X_INC_CS :NODE;
BL_DST_X_INC[15..0] :DFFE;
DST_XINC_NODE[31..0] :NODE;
BL_DST_Y_INC_CS :NODE;
BL_DST_Y_INC[15..0] :DFFE;
DST_YINC_NODE[31..0] :NODE;
BL_DST_ADRH_CS :NODE;
BL_DST_ADRL_CS :NODE;
BL_DST_ADR[31..0] :DFFE;
DST_IADRH_CS :NODE;
DST_IADRL_CS :NODE;
DST_IADR[31..0] :DFF;
DST_IADR_CLR :NODE;
DST_ADR_NODE[31..0] :NODE;
DIINC :NODE;
BL_X_CNT_CS :NODE;
BL_X_CNT[15..0] :DFFE;
X_CNT_NODE[15..0] :NODE;
BL_Y_CNT_CS :NODE;
BL_Y_CNT[15..0] :DFFE;
BL_HOP_CS :NODE;
BL_HOP[7..0] :DFFE;
BL_OP[7..0] :DFFE;
BL_LN_CS :NODE;
LN7CLR :NODE;
BL_LN[7..0] :DFFE;
BL_SKEW[7..0] :DFFE;
-- barell shifter
DIST_RIGHT[8..0] :NODE;
BL_BS_SKEW[7..0] :NODE;
BL_BSIN[383..0] :NODE;
BL_BSOUT[383..0] :NODE;
SHIFT_DIR :NODE;
BL_SRC_BUF1[127..0] :DFFE;
BL_SRC_BUF2[127..0] :DFFE;
BL_SRC_BUF3[127..0] :DFFE;
BL_DST_BUFRD[127..0] :DFFE;
BL_READ_DST :NODE; -- LATCH SIGNAL DST BUF RD
BL_READ_SRC :NODE; -- LATCH SIGNAL SRC BUF
SRC_READ :NODE; -- FREIGABE LATCH SIGNAL
NOT_DST_READ :NODE;
WREN_B :NODE; -- WR ENA HALFTONE RAM
X_INDEX_CS :NODE;
X_INDEX[15..0] :DFF; -- LAUFZEIGER X COUNT
X_INDEX_CLR :NODE;
Y_INDEX_CS :NODE;
Y_INDEX[15..0] :DFF; -- LAUFZEIGER Y COUNT
Y_INDEX_CLR :NODE;
LINE_NR[3..0] :NODE;
XIINC :NODE; -- INC INDEX SPALTE
YIINC :NODE; -- INC INDEX ZEILE
ZIINC :NODE; -- INC ADRESSEN ZEILENUMBRUCH
ZYINC :NODE; -- KORREKTUR ADRESSEN WENN FERTIG
HOP_OUT[127..0] :NODE;
OP_OUT[127..0] :NODE;
ENDMASK1_SHIFT[7..0] :NODE;
ENDMASK2_SHIFT[7..0] :NODE;
ENDMASK12_IN[143..0] :NODE;
ENDMASK12_OUT[143..0] :NODE;
ENDMASK23_IN[143..0] :NODE;
ENDMASK23_OUT[143..0] :NODE;
ENDMASK123[127..0] :NODE;
ENDMASKEND[15..0] :NODE;
SRC_DDR_ADR[31..0] :NODE;
DST_DDR_ADR[31..0] :NODE;
BLITTER_REQ :DFF;
-- MAIN STATE MACHINE
BL_SM :MACHINE WITH STATES(START,NEW_LINE,NEW_LINEW,RDSRC0,RDSRC1,RDSRC2,RDDST,WRDSTW1,WRDST,TESTZEILENENDE,TESTFERTIG,FERTIG);
BEGIN
-- BYT UND WORD SELECT 16 BIT
BYT = !FB_SIZE1 & FB_SIZE0;
LONGLINE = !FB_SIZE1 & !FB_SIZE0 # FB_SIZE1 & FB_SIZE0; -- LONG OR LINE
W_A1.CLK = MAIN_CLK;
W_A1.ENA = FB_ALE # BLITTER_TA & LONGLINE;
W_A1 = FB_ADR[1] & FB_ALE # BLITTER_TA & LONGLINE; -- A1 HOCHZ<48>HLEN BEI LONG UND LINE WEGEN BURST
W_ADR[18..1] = FB_ADR[19..2];
W_ADR0 = W_A1;
FB_16B0 = FB_ADR[0]==0; -- wenn ADR==0
FB_16B1 = FB_ADR[0]==1 # !BYT; -- wenn ADR==1 or NOT BYT
-- BLITTER CS
BLITTER_CS = !nFB_CS1 & FB_ADR[19..7]==H"1F14"; -- FFFF8A00-7F
BLITTER_TA = BLITTER_CS;
-- REGISTER
-- HALFTON RAM
BL_HRAM_CS = !nFB_CS1 & FB_ADR[19..5]==H"7C50"; -- $F8A00-1F.w
BL_HRAM_BE1 = BL_HRAM_CS & FB_16B0;
BL_HRAM_BE0 = BL_HRAM_CS & FB_16B1;
WREN_B = B"0";
LINE_NR[] = ((Y_INDEX[3..0] & !BL_DST_Y_INC15) # (!Y_INDEX[3..0] & BL_DST_Y_INC15));
(BL_DPRAM_OUT[],BL_HRAM_OUT[]) = altsyncram0(W_ADR[3..0],LINE_NR[],BL_HRAM_BE[],MAIN_CLK,DDRCLK0,FB_AD[31..16],FB_AD[31..16],BL_HRAM_CS & !nFB_WR,WREN_B);
-- SRC X INC
BL_SRC_X_INC[].CLK = MAIN_CLK;
BL_SRC_X_INC[] = FB_AD[31..16];
BL_SRC_X_INC_CS = !nFB_CS1 & W_ADR[]==H"7C510"; -- $F8A20.w
BL_SRC_X_INC[15..8].ENA = BL_SRC_X_INC_CS & !nFB_WR & FB_16B0;
BL_SRC_X_INC[7..0].ENA = BL_SRC_X_INC_CS & !nFB_WR & FB_16B1;
SRC_XINC_NODE[] = (H"FFFF0000" & BL_SRC_X_INC15) # (H"0000",BL_SRC_X_INC[]); -- ERWEITERN AUF 32 BIT
-- SRC Y INC
BL_SRC_Y_INC[].CLK = MAIN_CLK;
BL_SRC_Y_INC[] = FB_AD[31..16];
BL_SRC_Y_INC_CS = !nFB_CS1 & W_ADR[]==H"7C511"; -- $F8A22.w
BL_SRC_Y_INC[15..8].ENA = BL_SRC_Y_INC_CS & !nFB_WR & FB_16B0;
BL_SRC_Y_INC[7..0].ENA = BL_SRC_Y_INC_CS & !nFB_WR & FB_16B1;
SRC_YINC_NODE[] = (H"FFFF0000" & BL_SRC_Y_INC15) # (H"0000",BL_SRC_Y_INC[]); -- ERWEITERN AUF 32 BIT
-- SRC ADR HIGH
BL_SRC_ADR[].CLK = MAIN_CLK;
BL_SRC_ADR[31..16] = FB_AD[31..16];
BL_SRC_ADRH_CS = !nFB_CS1 & W_ADR[]==H"7C512"; -- $F8A24.w
BL_SRC_ADR[31..24].ENA = BL_SRC_ADRH_CS & !nFB_WR & FB_16B0;
BL_SRC_ADR[23..16].ENA = BL_SRC_ADRH_CS & !nFB_WR & FB_16B1;
-- SRC ADR LOW
BL_SRC_ADR[].CLK = MAIN_CLK;
BL_SRC_ADR[15..0] = FB_AD[31..16];
BL_SRC_ADRL_CS = !nFB_CS1 & W_ADR[]==H"7C513"; -- $F8A26.w
BL_SRC_ADR[15..8].ENA = BL_SRC_ADRL_CS & !nFB_WR & FB_16B0;
BL_SRC_ADR[7..0].ENA = BL_SRC_ADRL_CS & !nFB_WR & FB_16B1;
SRC_IADR[].CLK = DDRCLK0;
SRC_IADRH_CS = !nFB_CS1 & W_ADR[]==H"7C520"; -- $F8A40.w
SRC_IADRL_CS = !nFB_CS1 & W_ADR[]==H"7C521"; -- $F8A42.w
SRC_IADR_CLR = (BL_SRC_ADRL_CS # BL_SRC_ADRH_CS) & !nFB_WR; -- L<>SCHEN BEI WRITE
SRC_IADR[] = (SRC_IADR[] + (((8 * SRC_XINC_NODE[]) & SIINC) + (SRC_YINC_NODE[] & ZYINC) + ((((0,BL_X_CNT[]) - (0,X_INDEX[]) - 8) * SRC_XINC_NODE[]) & ZIINC)) & SRC_READ) & !SRC_IADR_CLR;
SRC_ADR_NODE[] = BL_SRC_ADR[] + SRC_IADR[]; -- ZUGRIFFSADRESSE THEORETISCH
-- ENDMASK 1
BL_ENDMASK1[].CLK = MAIN_CLK;
BL_ENDMASK1[] = FB_AD[31..16];
BL_ENDMASK1_CS = !nFB_CS1 & W_ADR[]==H"7C514"; -- $F8A28.w
BL_ENDMASK1[15..8].ENA = BL_ENDMASK1_CS & !nFB_WR & FB_16B0;
BL_ENDMASK1[7..0].ENA = BL_ENDMASK1_CS & !nFB_WR & FB_16B1;
-- ENDMASK 2
BL_ENDMASK2[].CLK = MAIN_CLK;
BL_ENDMASK2[] = FB_AD[31..16];
BL_ENDMASK2_CS = !nFB_CS1 & W_ADR[]==H"7C515"; -- $F8A2A.w
BL_ENDMASK2[15..8].ENA = BL_ENDMASK2_CS & !nFB_WR & FB_16B0;
BL_ENDMASK2[7..0].ENA = BL_ENDMASK2_CS & !nFB_WR & FB_16B1;
-- ENDMASK 3
BL_ENDMASK3[].CLK = MAIN_CLK;
BL_ENDMASK3[] = FB_AD[31..16];
BL_ENDMASK3_CS = !nFB_CS1 & W_ADR[]==H"7C516"; -- $F8A2C.w
BL_ENDMASK3[15..8].ENA = BL_ENDMASK3_CS & !nFB_WR & FB_16B0;
BL_ENDMASK3[7..0].ENA = BL_ENDMASK3_CS & !nFB_WR & FB_16B1;
-- DST X INC
BL_DST_X_INC[].CLK = MAIN_CLK;
BL_DST_X_INC[] = FB_AD[31..16];
BL_DST_X_INC_CS = !nFB_CS1 & W_ADR[]==H"7C517"; -- $F8A2E.w
BL_DST_X_INC[15..8].ENA = BL_DST_X_INC_CS & !nFB_WR & FB_16B0;
BL_DST_X_INC[7..0].ENA = BL_DST_X_INC_CS & !nFB_WR & FB_16B1;
DST_XINC_NODE[] = (H"FFFF0000" & BL_DST_X_INC15) # (H"0000",BL_DST_X_INC[]); -- ERWEITERN AUF 32 BIT
-- DST Y INC
BL_DST_Y_INC[].CLK = MAIN_CLK;
BL_DST_Y_INC[] = FB_AD[31..16];
BL_DST_Y_INC_CS = !nFB_CS1 & W_ADR[]==H"7C518"; -- $F8A30.w
BL_DST_Y_INC[15..8].ENA = BL_DST_Y_INC_CS & !nFB_WR & FB_16B0;
BL_DST_Y_INC[7..0].ENA = BL_DST_Y_INC_CS & !nFB_WR & FB_16B1;
DST_YINC_NODE[] = (H"FFFF0000" & BL_DST_Y_INC15) # (H"0000",BL_DST_Y_INC[]); -- ERWEITERN AUF 32 BIT
-- DST ADR HIGH
BL_DST_ADR[].CLK = MAIN_CLK;
BL_DST_ADR[31..16] = FB_AD[31..16];
BL_DST_ADRH_CS = !nFB_CS1 & W_ADR[]==H"7C519"; -- $F8A32.w
BL_DST_ADR[31..24].ENA = BL_DST_ADRH_CS & !nFB_WR & FB_16B0;
BL_DST_ADR[23..16].ENA = BL_DST_ADRH_CS & !nFB_WR & FB_16B1;
-- DST ADR LOW
BL_DST_ADR[].CLK = MAIN_CLK;
BL_DST_ADR[15..0] = FB_AD[31..16];
BL_DST_ADRL_CS = !nFB_CS1 & W_ADR[]==H"7C51A"; -- $F8A34.w
BL_DST_ADR[15..8].ENA = BL_DST_ADRL_CS & !nFB_WR & FB_16B0;
BL_DST_ADR[7..0].ENA = BL_DST_ADRL_CS & !nFB_WR & FB_16B1;
DST_IADR[].CLK = DDRCLK0;
DST_IADRH_CS = !nFB_CS1 & W_ADR[]==H"7C522"; -- $F8A44.w
DST_IADRL_CS = !nFB_CS1 & W_ADR[]==H"7C523"; -- $F8A46.w
DST_IADR_CLR = (BL_DST_ADRL_CS # BL_DST_ADRH_CS) & !nFB_WR; -- L<>SCHEN BEI WRITE
DST_IADR[] = (DST_IADR[] + ((8 * DST_XINC_NODE[]) & DIINC) + (DST_YINC_NODE[] & ZYINC) + ((((0,BL_X_CNT[]) - (0,X_INDEX[])) * DST_XINC_NODE[]) & ZIINC)) & !DST_IADR_CLR;
DST_ADR_NODE[] = BL_DST_ADR[] + DST_IADR[]; -- ZUGRIFFSADRESSE THEORETISCH
-- X COUNT
BL_X_CNT[].CLK = MAIN_CLK;
BL_X_CNT[] = FB_AD[31..16];
BL_X_CNT_CS = !nFB_CS1 & W_ADR[]==H"7C51B"; -- $F8A36.w
BL_X_CNT[15..8].ENA = BL_X_CNT_CS & !nFB_WR & FB_16B0;
BL_X_CNT[7..0].ENA = BL_X_CNT_CS & !nFB_WR & FB_16B1;
X_INDEX[].CLK = DDRCLK0;
X_INDEX_CS = !nFB_CS1 & W_ADR[]==H"7C524"; -- $F8A48.w
X_INDEX_CLR = BL_X_CNT_CS & !nFB_WR; -- L<>SCHEN BEI WRITE
X_INDEX[] = (X_INDEX[] + (8 & XIINC) + ((BL_X_CNT[] - X_INDEX[]) & ZIINC)) & !X_INDEX_CLR;
X_CNT_NODE[] = X_INDEX[] - ((0,DST_ADR_NODE[3..1]) & (X_INDEX[]!=0));-- EFFEKTIV GELESENE
-- Y COUNT
BL_Y_CNT[].CLK = MAIN_CLK;
BL_Y_CNT[] = FB_AD[31..16];
BL_Y_CNT_CS = !nFB_CS1 & W_ADR[]==H"7C51C"; -- $F8A38.w
BL_Y_CNT[15..8].ENA = BL_Y_CNT_CS & !nFB_WR & FB_16B0;
BL_Y_CNT[7..0].ENA = BL_Y_CNT_CS & !nFB_WR & FB_16B1;
Y_INDEX[].CLK = DDRCLK0;
Y_INDEX_CS = !nFB_CS1 & W_ADR[]==H"7C525"; -- $F8A4A.w
Y_INDEX_CLR = BL_Y_CNT_CS & !nFB_WR; -- L<>SCHEN BEI WRITE
Y_INDEX[] = (Y_INDEX[] + (1 & YIINC)) & !Y_INDEX_CLR;
-- HOP LOGIC
BL_HOP[].CLK = MAIN_CLK;
BL_HOP[] = FB_AD[31..24];
BL_HOP_CS = !nFB_CS1 & W_ADR[]==H"7C51D"; -- $F8A3A.w
BL_HOP[7..0].ENA = BL_HOP_CS & !nFB_WR & FB_16B0; -- $F8A3A
-- OP LOGIC
BL_OP[].CLK = MAIN_CLK;
BL_OP[] = FB_AD[23..16];
BL_OP[7..0].ENA = BL_HOP_CS & !nFB_WR & FB_16B1; -- $F8A3B
-- LINE NUMBER BYT
BL_LN[].CLK = MAIN_CLK;
BL_LN[6..0] = FB_AD[30..24];
BL_LN7 = FB_AD31 & !LN7CLR; -- BUSY HOG UND SMUDGE
BL_LN_CS = !nFB_CS1 & W_ADR[]==H"7C51E"; -- $F8A3C.w
BL_LN[].ENA = BL_LN_CS & !nFB_WR & FB_16B0; -- $F8A3C
BL_LN7.ENA = LN7CLR;
-- SKEW BYT
BL_SKEW[].CLK = MAIN_CLK;
BL_SKEW[] = FB_AD[23..16];
BL_SKEW[].ENA = BL_LN_CS & !nFB_WR & FB_16B1; -- $F8A3D
--- REGISTER OUT
FB_AD[31..16] = lpm_bustri_WORD(
BL_HRAM_CS & BL_DPRAM_OUT[]
# BL_SRC_X_INC_CS & BL_SRC_X_INC[]
# BL_SRC_Y_INC_CS & BL_SRC_Y_INC[]
# BL_SRC_ADRH_CS & SRC_ADR_NODE[31..16]
# BL_SRC_ADRL_CS & SRC_ADR_NODE[15..0]
# BL_ENDMASK1_CS & BL_ENDMASK1[]
# BL_ENDMASK2_CS & BL_ENDMASK2[]
# BL_ENDMASK3_CS & BL_ENDMASK3[]
# BL_DST_X_INC_CS & BL_DST_X_INC[]
# BL_DST_Y_INC_CS & BL_DST_Y_INC[]
# BL_DST_ADRH_CS & DST_ADR_NODE[31..16]
# BL_DST_ADRL_CS & DST_ADR_NODE[15..0]
# BL_X_CNT_CS & (BL_X_CNT[]-X_INDEX[])
# BL_Y_CNT_CS & (BL_Y_CNT[]-Y_INDEX[])
# BL_HOP_CS & (BL_HOP[],BL_OP[])
# BL_LN_CS & (BL_LN[7..4],Y_INDEX[3..0],BL_SKEW[])
# SRC_IADRH_CS & SRC_IADR[31..16]
# SRC_IADRL_CS & SRC_IADR[15..0]
# DST_IADRH_CS & DST_IADR[31..16]
# DST_IADRL_CS & DST_IADR[15..0]
# X_INDEX_CS & X_INDEX[]
# Y_INDEX_CS & Y_INDEX[]
,BLITTER_CS & !nFB_OE); -- FFFF8A00-7F
--------------------------------------------------------------------------------------
-- SRC BUFFER LADEN
BL_SRC_BUF1[].CLK = DDRCLK0;
BL_SRC_BUF1[127..64].ENA = BLITTER_DACK1 & BL_READ_SRC;
BL_SRC_BUF1[63..0].ENA = BLITTER_DACK0 & BL_READ_SRC;
BL_SRC_BUF1[] = (VDP_IN[],VDP_IN[]);
BL_SRC_BUF2[].CLK = DDRCLK0;
BL_SRC_BUF2[127..64].ENA = BLITTER_DACK1 & BL_READ_SRC;
BL_SRC_BUF2[63..0].ENA = BLITTER_DACK0 & BL_READ_SRC;
BL_SRC_BUF2[] = BL_SRC_BUF1[];
BL_SRC_BUF3[].CLK = DDRCLK0;
BL_SRC_BUF3[127..64].ENA = BLITTER_DACK1 & BL_READ_SRC;
BL_SRC_BUF3[63..0].ENA = BLITTER_DACK0 & BL_READ_SRC;
BL_SRC_BUF3[] = BL_SRC_BUF2[];
-- ZUORDNUNG ---------
IF BL_SRC_X_INC15 THEN -- WENN NEGATIV -> REIHENFOLGE KEHREN
CASE BL_HOP[7..4] IS -- SPIEGELN?
WHEN H"0" => -- LINE WEISE
BL_BSIN[127..0] = BL_SRC_BUF3[];
BL_BSIN[255..128] = BL_SRC_BUF2[];
BL_BSIN[383..256] = BL_SRC_BUF1[];
WHEN H"1" => --- BIT WEISE
BL_BSIN[0..127] = BL_SRC_BUF3[];
BL_BSIN[128..255] = BL_SRC_BUF2[];
BL_BSIN[256..383] = BL_SRC_BUF1[];
WHEN H"2" => -- BYT WEISE
BL_BSIN[127..0] = (BL_SRC_BUF3[7..0],BL_SRC_BUF3[15..8],BL_SRC_BUF3[23..16],BL_SRC_BUF3[31..24],BL_SRC_BUF3[39..32],BL_SRC_BUF3[47..40],BL_SRC_BUF3[55..48],BL_SRC_BUF3[63..56],BL_SRC_BUF3[71..64],BL_SRC_BUF3[79..72],BL_SRC_BUF3[87..80],BL_SRC_BUF3[95..88],BL_SRC_BUF3[103..96],BL_SRC_BUF3[111..104],BL_SRC_BUF3[119..112],BL_SRC_BUF3[127..120]);
BL_BSIN[255..128] = (BL_SRC_BUF2[7..0],BL_SRC_BUF2[15..8],BL_SRC_BUF2[23..16],BL_SRC_BUF2[31..24],BL_SRC_BUF2[39..32],BL_SRC_BUF2[47..40],BL_SRC_BUF2[55..48],BL_SRC_BUF2[63..56],BL_SRC_BUF2[71..64],BL_SRC_BUF2[79..72],BL_SRC_BUF2[87..80],BL_SRC_BUF2[95..88],BL_SRC_BUF2[103..96],BL_SRC_BUF2[111..104],BL_SRC_BUF2[119..112],BL_SRC_BUF2[127..120]);
BL_BSIN[383..256] = (BL_SRC_BUF1[7..0],BL_SRC_BUF1[15..8],BL_SRC_BUF1[23..16],BL_SRC_BUF1[31..24],BL_SRC_BUF1[39..32],BL_SRC_BUF1[47..40],BL_SRC_BUF1[55..48],BL_SRC_BUF1[63..56],BL_SRC_BUF1[71..64],BL_SRC_BUF1[79..72],BL_SRC_BUF1[87..80],BL_SRC_BUF1[95..88],BL_SRC_BUF1[103..96],BL_SRC_BUF1[111..104],BL_SRC_BUF1[119..112],BL_SRC_BUF1[127..120]);
WHEN H"3" => -- WORD WEISE
BL_BSIN[127..0] = (BL_SRC_BUF3[15..0],BL_SRC_BUF3[31..16],BL_SRC_BUF3[47..32],BL_SRC_BUF3[63..48],BL_SRC_BUF3[79..64],BL_SRC_BUF3[95..80],BL_SRC_BUF3[111..96],BL_SRC_BUF3[127..112]);
BL_BSIN[255..128] = (BL_SRC_BUF2[15..0],BL_SRC_BUF2[31..16],BL_SRC_BUF2[47..32],BL_SRC_BUF2[63..48],BL_SRC_BUF2[79..64],BL_SRC_BUF2[95..80],BL_SRC_BUF2[111..96],BL_SRC_BUF2[127..112]);
BL_BSIN[383..256] = (BL_SRC_BUF1[15..0],BL_SRC_BUF1[31..16],BL_SRC_BUF1[47..32],BL_SRC_BUF1[63..48],BL_SRC_BUF1[79..64],BL_SRC_BUF1[95..80],BL_SRC_BUF1[111..96],BL_SRC_BUF1[127..112]);
WHEN H"4" => -- LONG WEISE
BL_BSIN[127..0] = (BL_SRC_BUF3[31..0],BL_SRC_BUF3[63..32],BL_SRC_BUF3[95..64],BL_SRC_BUF3[127..96]);
BL_BSIN[255..128] = (BL_SRC_BUF2[31..0],BL_SRC_BUF2[63..32],BL_SRC_BUF2[95..64],BL_SRC_BUF2[127..96]);
BL_BSIN[383..256] = (BL_SRC_BUF1[31..0],BL_SRC_BUF1[63..32],BL_SRC_BUF1[95..64],BL_SRC_BUF1[127..96]);
WHEN OTHERS => -- LINE WEISE
BL_BSIN[127..0] = BL_SRC_BUF3[];
BL_BSIN[255..128] = BL_SRC_BUF2[];
BL_BSIN[383..256] = BL_SRC_BUF1[];
END CASE;
ELSE -- SONST NORMAL BEI VORW<52>RTS
BL_BSIN[127..0] = BL_SRC_BUF1[];
BL_BSIN[255..128] = BL_SRC_BUF2[];
BL_BSIN[383..256] = BL_SRC_BUF3[];
END IF;
-- DST BUFFER READ
BL_DST_BUFRD[].CLK = DDRCLK0;
BL_DST_BUFRD[127..64].ENA = BLITTER_DACK1 & BL_READ_DST;
BL_DST_BUFRD[63..0].ENA = BLITTER_DACK0 & BL_READ_DST;
BL_DST_BUFRD[] = (VDP_IN[],VDP_IN[]);
-- barell shift *****************************************************************************
-- SOURCE SHIFT RIGHT = LPM_CSHIFT RIGTH ;SKEW SHIFT: IF FXRS==0 THEN RIGHT ELSE LEFT
DIST_RIGHT[] = (16 * ((0,DST_ADR_NODE[3..1]) - (0,SRC_ADR_NODE[3..1]))) + (!BL_SKEW7 & (0,BL_SKEW[3..0])) - (BL_SKEW7 & (0,BL_SKEW[3..0]));
IF DIST_RIGHT8 == 0 THEN
BL_BS_SKEW[] = DIST_RIGHT[7..0]; -- LPM SHIFT RIGHT
SHIFT_DIR = VCC; -- DIR = RIGHT
else
BL_BS_SKEW[] = !DIST_RIGHT[7..0] + 1; -- LPM SHIFT LEFT
SHIFT_DIR = GND; -- DIR = LEFT
end if;
-- barell shifter: direction 0=links 1=rechts IN BEZUG AUF ausgabewert!
BL_BSOUT[] = lpm_clshift384(BL_BSIN[], SHIFT_DIR , BL_BS_SKEW[]); -- wir brauchen 128bit
-- HOP ***************************************************************************************
CASE BL_HOP[1..0] IS
WHEN H"0" =>
-- 12345678901234567890123456789012
HOP_OUT[] = H"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF";
WHEN H"1" =>
HOP_OUT[] = (BL_HRAM_OUT[],BL_HRAM_OUT[],BL_HRAM_OUT[],BL_HRAM_OUT[],BL_HRAM_OUT[],BL_HRAM_OUT[],BL_HRAM_OUT[],BL_HRAM_OUT[]);
WHEN H"2" =>
HOP_OUT[] = BL_BSOUT[255..128];
WHEN OTHERS =>
HOP_OUT[] = (BL_BSOUT[255..128] & (BL_HRAM_OUT[],BL_HRAM_OUT[],BL_HRAM_OUT[],BL_HRAM_OUT[],BL_HRAM_OUT[],BL_HRAM_OUT[],BL_HRAM_OUT[],BL_HRAM_OUT[]));
END CASE;
-- OP *****************************************************************************************
CASE BL_OP[3..0] IS
WHEN H"0" =>
OP_OUT[] = H"0";
SRC_READ = B"0";
WHEN H"1" =>
OP_OUT[] = HOP_OUT[] & BL_DST_BUFRD[];
SRC_READ = BL_HOP1 # BL_HOP0;
WHEN H"2" =>
OP_OUT[] = HOP_OUT[] & !BL_DST_BUFRD[];
SRC_READ = BL_HOP1 # BL_HOP0;
WHEN H"3" =>
OP_OUT[] = HOP_OUT[];
SRC_READ = BL_HOP1 # BL_HOP0;
WHEN H"4" =>
OP_OUT[] = !HOP_OUT[] & BL_DST_BUFRD[];
SRC_READ = BL_HOP1 # BL_HOP0;
WHEN H"5" =>
OP_OUT[] = BL_DST_BUFRD[];
SRC_READ = B"0";
WHEN H"6" =>
OP_OUT[] = HOP_OUT[] $ BL_DST_BUFRD[];
SRC_READ = BL_HOP1 # BL_HOP0;
WHEN H"7" =>
OP_OUT[] = HOP_OUT[] # BL_DST_BUFRD[];
SRC_READ = BL_HOP1 # BL_HOP0;
WHEN H"8" =>
OP_OUT[] = !HOP_OUT[] & !BL_DST_BUFRD[];
SRC_READ = BL_HOP1 # BL_HOP0;
WHEN H"9" =>
OP_OUT[] = !HOP_OUT[] $ BL_DST_BUFRD[];
SRC_READ = BL_HOP1 # BL_HOP0;
WHEN H"A" =>
OP_OUT[] = !BL_DST_BUFRD[];
SRC_READ = B"0";
WHEN H"B" =>
OP_OUT[] = HOP_OUT[] # !BL_DST_BUFRD[];
SRC_READ = BL_HOP1 # BL_HOP0;
WHEN H"C" =>
OP_OUT[] = !HOP_OUT[];
SRC_READ = BL_HOP1 # BL_HOP0;
WHEN H"D" =>
OP_OUT[] = !HOP_OUT[] # BL_DST_BUFRD[];
SRC_READ = BL_HOP1 # BL_HOP0;
WHEN H"E" =>
OP_OUT[] = !HOP_OUT[] # !BL_DST_BUFRD[];
SRC_READ = BL_HOP1 # BL_HOP0;
WHEN OTHERS =>
-- 12345678901234567890123456789012
OP_OUT[] = H"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF";
SRC_READ = B"0";
END CASE;
------------ ENDMASKEN SETZEN ******************************************************************************
ENDMASK1_SHIFT[3..0] = 0;
ENDMASK2_SHIFT[3..0] = 0;
IF BL_DST_X_INC15 THEN ---------------------------- R<>CKW<4B>RTS X_INC NEGATIV
IF X_INDEX[]==0 THEN -- ENDE?
ENDMASK2_SHIFT[7..4] = 9 - (0,(DST_ADR_NODE[3..1])) + (8 & (DST_ADR_NODE[3..1]==0)); -- JA ENDMASK 3 SETZEN
ELSE
ENDMASK2_SHIFT[7..4] = 0; -- NEIN -> ENDMASK 3 AUF ENDMASK2 SETZEN
END IF;
IF BL_X_CNT[]<=(X_CNT_NODE[] + 8) THEN -- SCHON ZEILENANFANG?
ENDMASKEND[] = X_INDEX[] - BL_X_CNT[] + (0,(DST_ADR_NODE[3..1]));
ENDMASK2_SHIFT[7..4] = 1 + (0,(ENDMASKEND[3..1])); -- JA: ENDMASK 3 SETZEN
ELSE
ENDMASK1_SHIFT[7..4] = 0; -- NEIN -> ENDMASK 3 AUF ENDMASK2 SETZEN
END IF;
ELSE ------------------------------------------- VORW<52>RTS X_INC POSITIV
IF X_INDEX[]==0 THEN -- ANFANG?
ENDMASK1_SHIFT[7..4] = 1 + (0,(DST_ADR_NODE[3..1])); -- JA -> ENDMASK 1 SETZEN
ELSE
ENDMASK1_SHIFT[7..4] = 0; -- NEIN->ENDMASK1 AUF ENDMASK2 SETZEN
END IF;
IF BL_X_CNT[]<=(X_CNT_NODE[] + 8) THEN -- SCHON ZEILENENDE?
ENDMASKEND[] = X_CNT_NODE[] + 8 - BL_X_CNT[];
ENDMASK2_SHIFT[7..4] = 1 + ENDMASKEND[3..0]; -- JA: ENDMASK 3 SETZEN
ELSE
ENDMASK2_SHIFT[7..4] = 0; -- NOCH NICHT AKTIV->ENDMASK 3 AUF ENDMASK2 SETZEN
END IF;
END IF;
-- ENDMASKEN -- barell shifter 144 bit, direction 0 = links 1 = rechts
-- 1234567890123456789012345678
ENDMASK12_IN[] = (BL_ENDMASK1[],BL_ENDMASK2[],BL_ENDMASK2[],BL_ENDMASK2[],BL_ENDMASK2[],BL_ENDMASK2[],BL_ENDMASK2[],BL_ENDMASK2[],BL_ENDMASK2[]);
ENDMASK12_OUT[] = lpm_clshift144(ENDMASK12_IN[],1,ENDMASK1_SHIFT[]); -- IMMER rechts SCHIEBEN
ENDMASK23_IN[] = (BL_ENDMASK2[],BL_ENDMASK2[],BL_ENDMASK2[],BL_ENDMASK2[],BL_ENDMASK2[],BL_ENDMASK2[],BL_ENDMASK2[],BL_ENDMASK2[],BL_ENDMASK3[]);
ENDMASK23_OUT[] = lpm_clshift144(ENDMASK23_IN[],0,ENDMASK2_SHIFT[]); -- IMMER LINKS SCHIEBEN
ENDMASK123[] = ENDMASK12_OUT[127..0] & ENDMASK23_OUT[143..16];
BLITTER_DOUT[] = ((ENDMASK123[] & OP_OUT[]) # (!ENDMASK123[] & BL_DST_BUFRD[]));
NOT_DST_READ = ((BL_OP[3..0]==H"0") # (BL_OP[3..0]==H"3") # (BL_OP[3..0]==H"C") # (BL_OP[3..0]==H"F")) & (ENDMASK123[]==H"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF");
-- STATE MACHINE **********************************************************************************---------------------------12345678901234567890123456789012
BLITTER_RUN = BLITTER_ON; -- BLITTER IST DA!
BLITTER_ADR[3..0] = H"0"; -- IMMER LINE
SRC_DDR_ADR[] = (SRC_ADR_NODE[] - (0,(16 & BL_SRC_X_INC15))); -- WENN R<>CKW<4B>RTS NEXT ADRESS SRC
DST_DDR_ADR[] = (DST_ADR_NODE[] - (0,(16 & BL_DST_X_INC15))); -- WENN R<>CKW<4B>RTS NEXT ADRESS DST
BLITTER_REQ.CLK = DDRCLK0;
BLITTER_SIG = BLITTER_REQ & BLITTER_DACK[]==H"0";
-- BLITTER MAIN STATE MACHINE -----------------------------------------------
BL_SM.CLK = DDRCLK0;
CASE BL_SM IS
WHEN START => ------------------------- START
IF BLITTER_ON & BL_LN7 & ((BL_X_CNT[] - X_CNT_NODE[])>0) & ((BL_Y_CNT[] - Y_INDEX[]) > 0) THEN
BL_SM = NEW_LINE;
ELSE
BL_SM = START;
END IF;
WHEN NEW_LINE => ----------------------- NEU LINIE
X_INDEX_CLR = VCC; -- L<>SCHEN
BL_SM = RDSRC0;
WHEN RDSRC0 => ------------------------ READ SRC1
IF SRC_READ THEN
BLITTER_ADR[31..4] = SRC_DDR_ADR[31..4] - 1;
BLITTER_REQ = VCC;
BL_READ_SRC = VCC; -- LATCH UND SB1->SB2
IF BLITTER_DACK0 THEN
BL_SM = RDSRC2;
ELSE
BL_SM = RDSRC1;
END IF;
ELSE
BL_SM = RDDST;
END IF;
WHEN RDSRC1 => ------------------------ READ SRC1
IF SRC_READ THEN
BLITTER_ADR[31..4] = SRC_DDR_ADR[31..4];
BLITTER_REQ = VCC;
BL_READ_SRC = VCC; -- LATCH UND SB1->SB2
IF BLITTER_DACK0 THEN
SIINC = VCC; -- INC SRC ADR
BL_SM = RDSRC2;
ELSE
BL_SM = RDSRC1;
END IF;
ELSE
BL_SM = RDDST;
END IF;
WHEN RDSRC2 => ------------------------ READ SRC2
IF SRC_READ THEN
BLITTER_ADR[31..4] = SRC_DDR_ADR[31..4];
BLITTER_REQ = VCC;
BL_READ_SRC = VCC; -- LATCH UND SB1->SB2
IF BLITTER_DACK0 THEN
SIINC = VCC; -- INC SRC ADR
BL_SM = RDDST;
ELSE
BL_SM = RDSRC2;
END IF;
ELSE
BL_SM = RDDST;
END IF;
WHEN RDDST => ----------------------- READ DEST
IF NOT_DST_READ THEN
BL_SM = WRDSTW1;
ELSE
BLITTER_ADR[31..4] = DST_DDR_ADR[31..4];
BLITTER_REQ = VCC;
BL_READ_DST = VCC;
IF BLITTER_DACK0 THEN
BL_SM = WRDSTW1;
ELSE
BL_SM = RDDST;
END IF;
END IF;
WHEN WRDSTW1 => ------------------- WRITE DEST WAIT AUF ERGEBNIS
BL_SM = WRDST;
WHEN WRDST => ------------------- WRITE DEST
BLITTER_ADR[31..4] = DST_DDR_ADR[31..4];
BLITTER_WR = VCC;
BLITTER_REQ = VCC;
IF BLITTER_DACK0 THEN
XIINC = VCC; -- INC X_INDEX
DIINC = VCC; -- INC DEST ADR
BL_SM = TESTZEILENENDE;
ELSE
BL_SM = WRDST;
END IF;
WHEN TESTZEILENENDE => ----------------- ZEILENDE?
IF X_CNT_NODE[] >= BL_X_CNT[] THEN -- SCHON ZEILENENDE?
YIINC = VCC; -- JA -> INC Y-INDEX UND ZEILE SRC UND DEST
BL_SM = TESTFERTIG; -- ->
ELSE
BL_SM = RDSRC2; -- NEIN NEXT
END IF;
WHEN TESTFERTIG => --------------------- TEST AUF FERTIG
ZIINC = VCC; -- INC ADRESSEN ZEILENUMBRUCH
IF Y_INDEX[] >= BL_Y_CNT[] THEN -- LETZTE ZEILE?
BL_SM = FERTIG; -- JA -->
ELSE
ZYINC = VCC; -- YINC ADDIEREN ZEILENENDE
BL_SM = NEW_LINE; -- NEIN NEXT ->
END IF;
WHEN FERTIG => -------------------------- FERTIG
BLITTER_INT = VCC; -- BLITTER INTERRUPT
LN7CLR = VCC; -- BUSY BIT L<>SCHEN
IF BL_LN7==0 THEN -- WARTEN BIS GEL<45>SCHT (GEHT NUR MIT 33MHz)
BL_SM = START;
ELSE
BL_SM = FERTIG;
END IF;
WHEN OTHERS =>
BL_SM = FERTIG;
END CASE;
END;
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