Firebee/FireBee_SVN
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

added more constraints

Browse Source 
makes it basically working, but still some pixel errors
This commit is contained in:
Markus Fröschle
2015-10-17 09:30:27 +00:00
parent a60aa7fcc0
commit 7a8c5d3eb3
136 changed files with 28669 additions and 28008 deletions
Download Patch File Download Diff File Expand all files Collapse all files

69
Video/DDR_CTR.tdf
View File

@@ -58,9 +58,9 @@ SUBDESIGN DDR_CTR
)
VARIABLE
FB_REGDDR :MACHINE WITH STATES(FR_WAIT,FR_S0,FR_S1,FR_S2,FR_S3);
DDR_SM :MACHINE WITH STATES(DS_T1,DS_T2A,DS_T2B,DS_T3,DS_N5,DS_N6, DS_N7, DS_N8, -- START (NORMAL 8 CYCLES TOTAL = 60ns)
DS_C2,DS_C3,DS_C4, DS_C5, DS_C6, DS_C7, -- CONFIG
FB_REGDDR :MACHINE WITH STATES(FR_WAIT, FR_S0, FR_S1, FR_S2, FR_S3);
DDR_SM :MACHINE WITH STATES(DS_T1, DS_T2A, DS_T2B, DS_T3, DS_N5, DS_N6, DS_N7, DS_N8, -- START (NORMAL 8 CYCLES TOTAL = 60ns)
DS_C2, DS_C3, DS_C4, DS_C5, DS_C6, DS_C7, -- CONFIG
DS_T4R,DS_T5R, -- READ CPU UND BLITTER,
DS_T4W,DS_T5W,DS_T6W,DS_T7W,DS_T8W,DS_T9W, -- WRITE CPU UND BLITTER
DS_T4F,DS_T5F,DS_T6F,DS_T7F,DS_T8F,DS_T9F,DS_T10F, -- READ FIFO
@@ -129,7 +129,8 @@ VARIABLE
BEGIN
LINE = FB_SIZE0 & FB_SIZE1;
-- BYT SELECT
-- BYT SELECT
FB_B0 = FB_ADR[1..0]==0 -- ADR==0
# FB_SIZE1 & FB_SIZE0 # !FB_SIZE1 & !FB_SIZE0; -- LONG UND LINE
FB_B1 = FB_ADR[1..0]==1 -- ADR==1
@@ -140,7 +141,8 @@ BEGIN
FB_B3 = FB_ADR[1..0]==3 -- ADR==3
# FB_SIZE1 & !FB_SIZE0 & FB_ADR1 -- LOW WORD
# FB_SIZE1 & FB_SIZE0 # !FB_SIZE1 & !FB_SIZE0; -- LONG UND LINE
-- CPU READ (REG DDR => CPU) AND WRITE (CPU => REG DDR) --------------------------------------------------
-- CPU READ (REG DDR => CPU) AND WRITE (CPU => REG DDR) --------------------------------------------------
FB_REGDDR.CLK = MAIN_CLK;
CASE FB_REGDDR IS
WHEN FR_WAIT =>
@@ -198,7 +200,8 @@ BEGIN
FB_REGDDR = FR_WAIT;
END IF;
END CASE;
-- DDR STEUERUNG -----------------------------------------------------
-- DDR STEUERUNG -----------------------------------------------------
-- VIDEO RAM CONTROL REGISTER (IST IN VIDEO_MUX_CTR) $F0000400: BIT 0: VCKE; 1: !nVCS ;2:REFRESH ON , (0=FIFO UND CNT CLEAR); 3: CONFIG; 8: FIFO_ACTIVE;
VCKE = VIDEO_RAM_CTR0;
nVCS = !VIDEO_RAM_CTR1;
@@ -220,34 +223,39 @@ BEGIN
FIFO_AC.CLK = DDRCLK0;
BLITTER_AC.CLK = DDRCLK0;
DDRWR_D_SEL1 = BLITTER_AC;
-- SELECT LOGIC
-- SELECT LOGIC
DDR_SEL = FB_ALE & FB_AD[31..30]==B"01";
DDR_CS.CLK = MAIN_CLK;
DDR_CS.ENA = FB_ALE;
DDR_CS = DDR_SEL;
-- WENN READ ODER WRITE B,W,L DDR SOFORT ANFORDERN, BEI WRITE LINE SP<53>TER
-- WENN READ ODER WRITE B,W,L DDR SOFORT ANFORDERN, BEI WRITE LINE SP<53>TER
CPU_SIG = DDR_SEL & (nFB_WR # !LINE) & !DDR_CONFIG -- NICHT LINE ODER READ SOFORT LOS WENN NICHT CONFIG
# DDR_SEL & DDR_CONFIG -- CONFIG SOFORT LOS
# FB_REGDDR==FR_S1 & !nFB_WR; -- LINE WRITE SP<53>TER
# FB_REGDDR==FR_S1 & !nFB_WR; -- LINE WRITE SP<53>TER
CPU_REQ.CLK = DDR_SYNC_66M;
CPU_REQ = CPU_SIG
# CPU_REQ & FB_REGDDR!=FR_S1 & FB_REGDDR!=FR_S3 & !BUS_CYC_END & !BUS_CYC; -- HALTEN BUS CYC BEGONNEN ODER FERTIG
BUS_CYC.CLK = DDRCLK0;
BUS_CYC = BUS_CYC & !BUS_CYC_END;
-- STATE MACHINE SYNCHRONISIEREN -----------------
MCS[].CLK = DDRCLK0;
MCS0 = MAIN_CLK;
MCS1 = MCS0;
CPU_DDR_SYNC.CLK = DDRCLK0;
CPU_DDR_SYNC = MCS[]==2 & VCKE & !nVCS; -- NUR 1 WENN EIN
---------------------------------------------------
---------------------------------------------------
VA_S[].CLK = DDRCLK0;
BA_S[].CLK = DDRCLK0;
VA[] = VA_S[];
BA[] = BA_S[];
VA_P[].CLK = DDRCLK0;
BA_P[].CLK = DDRCLK0;
-- DDR STATE MACHINE -----------------------------------------------
-- DDR STATE MACHINE -----------------------------------------------
DDR_SM.CLK = DDRCLK0;
CASE DDR_SM IS
WHEN DS_T1 =>
@@ -336,12 +344,13 @@ BEGIN
END IF;
END IF;
END IF;
-- READ
-- READ
WHEN DS_T4R =>
CPU_AC = CPU_AC;
BLITTER_AC = BLITTER_AC;
VCAS = VCC;
SR_DDR_FB = CPU_AC; -- READ DATEN F<>R CPU
SR_DDR_FB = CPU_AC; -- READ DATEN F<>R CPU
SR_BLITTER_DACK = BLITTER_AC; -- BLITTER DACK AND BLITTER LATCH DATEN
DDR_SM = DS_T5R;
@@ -357,7 +366,8 @@ BEGIN
VA_S[10] = VCC; -- ALLE PAGES SCHLIESSEN
DDR_SM = DS_CB6;
END IF;
-- WRITE
-- WRITE
WHEN DS_T4W =>
CPU_AC = CPU_AC;
BLITTER_AC = BLITTER_AC;
@@ -383,7 +393,7 @@ BEGIN
VCAS = VCC;
VWE = VCC;
SR_DDR_WR = VCC; -- WRITE COMMAND CPU UND BLITTER IF WRITER
SR_DDRWR_D_SEL = VCC; -- 2. H<>LFTE WRITE DATEN SELEKTIEREN
SR_DDRWR_D_SEL = VCC; -- 2. H<>LFTE WRITE DATEN SELEKTIEREN
SR_VDMP[] = LINE & B"11111111"; -- WENN LINE DANN ACTIV
DDR_SM = DS_T7W;
@@ -391,7 +401,7 @@ BEGIN
CPU_AC = CPU_AC;
BLITTER_AC = BLITTER_AC;
SR_DDR_WR = VCC; -- WRITE COMMAND CPU UND BLITTER IF WRITE
SR_DDRWR_D_SEL = VCC; -- 2. H<>LFTE WRITE DATEN SELEKTIEREN
SR_DDRWR_D_SEL = VCC; -- 2. H<>LFTE WRITE DATEN SELEKTIEREN
DDR_SM = DS_T8W;
WHEN DS_T8W =>
@@ -407,7 +417,8 @@ BEGIN
VA_S[10] = VCC; -- ALLE PAGES SCHLIESSEN
DDR_SM = DS_CB6;
END IF;
-- FIFO READ
-- FIFO READ
WHEN DS_T4F =>
VCAS = VCC;
SR_FIFO_WRE = VCC; -- DATEN WRITE FIFO
@@ -497,7 +508,8 @@ BEGIN
DDR_SM = DS_T7F;
END IF;
-- CONFIG CYCLUS
-- CONFIG CYCLUS
WHEN DS_C2 =>
DDR_SM = DS_C3;
WHEN DS_C3 =>
@@ -520,18 +532,20 @@ BEGIN
VCAS = FB_AD17 & !nFB_WR & !FB_SIZE0 & !FB_SIZE1; -- NUR BEI LONG WRITE
VWE = FB_AD16 & !nFB_WR & !FB_SIZE0 & !FB_SIZE1; -- NUR BEI LONG WRITE
DDR_SM = DS_N8;
-- CLOSE FIFO BANK
-- CLOSE FIFO BANK
WHEN DS_CB6 =>
FIFO_BANK_NOT_OK = VCC; -- AUF NOT OK
VRAS = VCC; -- B<>NKE SCHLIESSEN
VRAS = VCC; -- B<>NKE SCHLIESSEN
VWE = VCC;
DDR_SM = DS_N7;
WHEN DS_CB8 =>
FIFO_BANK_NOT_OK = VCC; -- AUF NOT OK
VRAS = VCC; -- B<>NKE SCHLIESSEN
VRAS = VCC; -- B<>NKE SCHLIESSEN
VWE = VCC;
DDR_SM = DS_T1;
-- REFRESH 70NS = 10 ZYCLEN
-- REFRESH 70NS = 10 ZYCLEN
WHEN DS_R2 =>
IF DDR_REFRESH_SIG[]==9 THEN -- EIN CYCLUS VORLAUF UM BANKS ZU SCHLIESSEN
VRAS = VCC; -- ALLE BANKS SCHLIESSEN
@@ -552,7 +566,8 @@ BEGIN
DDR_SM = DS_R6;
WHEN DS_R6 =>
DDR_SM = DS_N5;
-- LEERSCHLAUFE
-- LEERSCHLAUFE
WHEN DS_N5 =>
DDR_SM = DS_N6;
WHEN DS_N6 =>
@@ -584,14 +599,14 @@ BEGIN
FIFO_COL_ADR[] = (VIDEO_ADR_CNT[7..0],B"00");
FIFO_BANK_OK.CLK = DDRCLK0;
FIFO_BANK_OK = FIFO_BANK_OK & !FIFO_BANK_NOT_OK;
-- Z<>HLER R<>CKSETZEN WENN CLR FIFO ----------------
-- Z<>HLER R<>CKSETZEN WENN CLR FIFO ----------------
CLR_FIFO_SYNC.CLK =DDRCLK0;
CLR_FIFO_SYNC = CLR_FIFO; -- SYNCHRONISIEREN
CLEAR_FIFO_CNT.CLK = DDRCLK0;
CLEAR_FIFO_CNT = CLR_FIFO_SYNC # !FIFO_ACTIVE;
STOP.CLK = DDRCLK0;
STOP = CLR_FIFO_SYNC # CLEAR_FIFO_CNT;
-- Z<>HLEN -----------------------------------------------
-- Z<>HLEN -----------------------------------------------
VIDEO_ADR_CNT[].CLK = DDRCLK0;
VIDEO_ADR_CNT[].ENA = SR_FIFO_WRE # CLEAR_FIFO_CNT;
VIDEO_ADR_CNT[] = CLEAR_FIFO_CNT & VIDEO_BASE_ADR[]
@@ -608,12 +623,12 @@ BEGIN
-- REFRESH: IMMER 8 AUFS MAL, ANFORDERUNG ALLE 7.8us X 8 STCK. = 62.4us = 2059->2048 33MHz CLOCKS
-----------------------------------------------------------------------------------------
DDR_REFRESH_CNT[].CLK = CLK33M;
DDR_REFRESH_CNT[] = DDR_REFRESH_CNT[]+1; -- Z<>HLEN 0-2047
DDR_REFRESH_CNT[] = DDR_REFRESH_CNT[]+1; -- Z<>HLEN 0-2047
REFRESH_TIME.CLK = DDRCLK0;
REFRESH_TIME = DDR_REFRESH_CNT[]==0 & !MAIN_CLK; -- SYNC
DDR_REFRESH_SIG[].CLK = DDRCLK0;
DDR_REFRESH_SIG[].ENA = REFRESH_TIME # DDR_SM==DS_R6;
DDR_REFRESH_SIG[] = REFRESH_TIME & 9 & DDR_REFRESH_ON & !DDR_CONFIG -- 9 ST<53>CK (8 REFRESH UND 1 ALS VORLAUF)
DDR_REFRESH_SIG[] = REFRESH_TIME & 9 & DDR_REFRESH_ON & !DDR_CONFIG -- 9 ST<53>CK (8 REFRESH UND 1 ALS VORLAUF)
# !REFRESH_TIME & (DDR_REFRESH_SIG[]-1) & DDR_REFRESH_ON & !DDR_CONFIG; -- MINUS 1 WENN GEMACHT
DDR_REFRESH_REQ.CLK = DDRCLK0;
DDR_REFRESH_REQ = DDR_REFRESH_SIG[]!=0 & DDR_REFRESH_ON & !REFRESH_TIME & !DDR_CONFIG;