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make ModelSim compile work

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This commit is contained in:
Markus Fröschle
2015-09-08 16:30:44 +00:00
parent ce916f80df
commit a60aa7fcc0
3 changed files with 1000 additions and 1946 deletions
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82
FalconIO_SDCard_IDE_CF/FalconIO_SDCard_IDE_CF.vhd
View File

@@ -265,8 +265,19 @@ signal NEXT_nIDE_WR : STD_LOGIC;
type CMD_STATES is( IDLE, T1, T6, T7);
signal CMD_STATE : CMD_STATES;
signal NEXT_CMD_STATE : CMD_STATES;
SIGNAL data : std_logic_vector(31 DOWNTO 0);
SIGNAL adr : std_logic_vector(2 DOWNTO 0);
SIGNAL wr_n : std_logic;
SIGNAL rd_n : std_logic;
SIGNAL ds_n : std_logic;
SIGNAL cs_n : std_logic;
SIGNAL gpip_in_7 : std_logic;
SIGNAL gpip_in_6 : std_logic;
SIGNAL gpip_in_2 : std_logic;
SIGNAL gpip_in_1 : std_logic;
SIGNAL iack_n : std_logic;
SIGNAL dummy : std_logic;
SIGNAL io_b_en : std_logic;
BEGIN
LONG <= '1' when FB_SIZE1 = '0' and FB_SIZE0 = '0' else '0';
BYT <= '1' when FB_SIZE1 = '0' and FB_SIZE0 = '1' else '0';
@@ -375,10 +386,12 @@ RDF_RDE <= '1' when FCF_APH = '1' and nFB_WR = '1' else '0'; -- AKTIVIE
FB_AD <= RDF_DOUT(7 downto 0) & RDF_DOUT(15 downto 8) & RDF_DOUT(23 downto 16) & RDF_DOUT(31 downto 24) when FCF_CS = '1' and nFB_OE = '0' else "ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ";
RDF_DIN <= CD_OUT_FDC when DMA_MODUS(7) = '1' else SCSI_DOUT;
-- daten write fifo
data <= FB_AD(7 DOWNTO 0) & FB_AD(15 DOWNTO 8) & FB_AD(23 DOWNTO 16) & FB_AD(31 DOWNTO 24);
WRF: dcfifo1
port map(
aclr => CLR_FIFO,
data => FB_AD(7 downto 0) & FB_AD(15 downto 8) & FB_AD(23 downto 16) & FB_AD(31 downto 24),
data => data,
rdclk => FDC_CLK,
rdreq => WRF_RDE,
wrclk => MAIN_CLK,
@@ -691,19 +704,22 @@ FB_AD <= DMA_BYT_CNT when DMA_BYT_CNT_CS = '1' and nFB_OE = '0' else "ZZZZZZZZZ
end if;
END PROCESS;
CLR_FIFO <= DMA_MODUS(8) xor DMA_DIR_OLD;
adr <= ca2 & ca1 & ca0;
rd_n <= (NOT nFDC_WR) OR (NOT scsi_cs);
wr_n <= nFDC_WR OR (NOT scsi_cs);
-- SCSI ----------------------------------------------------------------------------------
I_SCSI: WF5380_TOP_SOC
port map(
CLK => FDC_CLK,
RESETn => nRSTO,
ADR => CA2 & CA1 & CA0,
ADR => adr,
DATA_IN => CD_IN_FDC,
DATA_OUT => SCSI_DOUT,
--DATA_EN : out bit;
-- Bus and DMA controls:
CSn => '1', --SCSI_CSn, ABGESCHALTET
RDn => (not nFDC_WR) or (not SCSI_CS),
WRn => nFDC_WR or (not SCSI_CS),
RDn => rd_n,
WRn => wr_n,
EOPn => '1',
DACKn => nSCSI_DACK,
DRQ => SCSI_DRQ,
@@ -849,6 +865,13 @@ FB_AD(31 downto 24) <= DATA_OUT_ACIA_I when ACIA_CS_I = '1' and FB_ADR(2) = '0'
MIDI_TLR <= MIDI_OUT;
MIDI_OLR <= MIDI_OUT;
FB_AD(31 downto 24) <= DATA_OUT_ACIA_II when ACIA_CS_I = '1' and FB_ADR(2) = '1' and nFB_OE = '0' else "ZZZZZZZZ";
ds_n <= NOT lds;
cs_n <= NOT mfp_cs;
gpip_in_7 <= NOT dma_drq_q;
gpip_in_6 <= NOT ri;
gpip_in_2 <= NOT cts;
gpip_in_1 <= NOT dcd;
iack_n <= NOT mfp_intack;
----------------------------------------------------------------------------
-- MFP
----------------------------------------------------------------------------
@@ -858,8 +881,8 @@ FB_AD(31 downto 24) <= DATA_OUT_ACIA_II when ACIA_CS_I = '1' and FB_ADR(2) = '1'
CLK => MAIN_CLK,
RESETn => nRSTO,
-- Asynchronous bus control:
DSn => not LDS,
CSn => not MFP_CS,
DSn => ds_n,
CSn => cs_n,
RWn => nFB_WR,
DTACKn => DTACK_OUT_MFPn,
-- Data and Adresses:
@@ -867,18 +890,18 @@ FB_AD(31 downto 24) <= DATA_OUT_ACIA_II when ACIA_CS_I = '1' and FB_ADR(2) = '1'
DATA_IN => FB_AD(23 downto 16),
DATA_OUT => DATA_OUT_MFP,
-- DATA_EN => DATA_EN_MFP,
GPIP_IN(7) => not DMA_DRQ_Q,
GPIP_IN(6) => not RI,
GPIP_IN(7) => gpip_in_7,
GPIP_IN(6) => gpip_in_6,
GPIP_IN(5) => DINTn,
GPIP_IN(4) => IRQ_ACIAn,
GPIP_IN(3) => DSP_INT,
GPIP_IN(2) => not CTS,
GPIP_IN(1) => not DCD,
GPIP_IN(2) => gpip_in_2,
GPIP_IN(1) => gpip_in_1,
GPIP_IN(0) => LP_BUSY,
-- GPIP_OUT =>, -- Not used; all GPIPs are direction input.
-- GPIP_EN =>, -- Not used; all GPIPs are direction input.
-- Interrupt control:
IACKn => not MFP_INTACK,
IACKn => iack_n,
IEIn => '0',
-- IEOn =>, -- Not used.
IRQn => nMFP_INT,
@@ -942,23 +965,24 @@ DINTn <= '0' when IDE_INT = '1' AND ACP_CONF(28) = '1' else
DA_IN => FB_AD(31 downto 24),
DA_OUT => DA_OUT_X,
IO_A_IN => x"00", -- All port pins are dedicated outputs.
IO_A_OUT(7) => nnIDE_RES,
IO_A_OUT(6) => LP_DIR_X,
IO_A_OUT(5) => LP_STR,
IO_A_OUT(4) => DTR,
IO_A_OUT(3) => RTS,
-- IO_A_OUT(2) => FDD_D1SEL,
IO_A_OUT(1) => DSA_D,
IO_A_OUT(0) => nSDSEL,
-- IO_A_EN =>, -- Not required.
IO_B_IN => LP_D,
IO_B_OUT => LP_D_X,
-- IO_B_EN => IO_B_EN,
IO_A_IN => x"00", -- All port pins are dedicated outputs.
IO_A_OUT(7) => nnIDE_RES,
IO_A_OUT(6) => LP_DIR_X,
IO_A_OUT(5) => LP_STR,
IO_A_OUT(4) => DTR,
IO_A_OUT(3) => RTS,
-- IO_A_OUT(2) => FDD_D1SEL,
IO_A_OUT(2) => dummy,
IO_A_OUT(1) => DSA_D,
IO_A_OUT(0) => nSDSEL,
-- IO_A_EN =>, -- Not required.
IO_B_IN => LP_D,
IO_B_OUT => LP_D_X,
IO_B_EN => IO_B_EN,
OUT_A => YM_QA,
OUT_B => YM_QB,
OUT_C => YM_QC
OUT_A => YM_QA,
OUT_B => YM_QB,
OUT_C => YM_QC
);
SNDCS <= '1' when nFB_CS1 = '0' and FB_ADR(19 downto 2) = x"3E200" else '0'; -- 8800-8803 F8800/4

971
FalconIO_SDCard_IDE_CF/FalconIO_SDCard_IDE_CF.vhd.bak
View File

@@ -1,971 +0,0 @@
-- 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) 1991-2008 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 8.1 (Build Build 163 10/28/2008)
-- Created on Tue Sep 08 16:24:20 2009
library work;
use work.FalconIO_SDCard_IDE_CF_pkg.all;
library ieee;
use ieee.std_logic_1164.all;
use ieee.std_logic_unsigned.all;
-- Entity Declaration
-- Entity Declaration
ENTITY FalconIO_SDCard_IDE_CF IS
-- {{ALTERA_IO_BEGIN}} DO NOT REMOVE THIS LINE!
PORT
(
CLK33M : IN STD_LOGIC;
MAIN_CLK : IN STD_LOGIC;
CLK2M : IN STD_LOGIC;
CLK500k : IN STD_LOGIC;
nFB_CS1 : IN STD_LOGIC;
FB_SIZE0 : IN STD_LOGIC;
FB_SIZE1 : IN STD_LOGIC;
nFB_BURST : IN STD_LOGIC;
FB_ADR : IN STD_LOGIC_VECTOR(31 downto 0);
LP_BUSY : IN STD_LOGIC;
nACSI_DRQ : IN STD_LOGIC;
nACSI_INT : IN STD_LOGIC;
nSCSI_DRQ : IN STD_LOGIC;
nSCSI_MSG : IN STD_LOGIC;
MIDI_IN : IN STD_LOGIC;
RxD : IN STD_LOGIC;
CTS : IN STD_LOGIC;
RI : IN STD_LOGIC;
DCD : IN STD_LOGIC;
AMKB_RX : IN STD_LOGIC;
PIC_AMKB_RX : IN STD_LOGIC;
IDE_RDY : IN STD_LOGIC;
IDE_INT : IN STD_LOGIC;
WP_CS_CARD : IN STD_LOGIC;
nINDEX : IN STD_LOGIC;
TRACK00 : IN STD_LOGIC;
nRD_DATA : IN STD_LOGIC;
nDCHG : IN STD_LOGIC;
SD_DATA0 : IN STD_LOGIC;
SD_DATA1 : IN STD_LOGIC;
SD_DATA2 : IN STD_LOGIC;
SD_CARD_DEDECT : IN STD_LOGIC;
SD_WP : IN STD_LOGIC;
nDACK0 : IN STD_LOGIC;
nFB_WR : INOUT STD_LOGIC;
WP_CF_CARD : IN STD_LOGIC;
nWP : IN STD_LOGIC;
nFB_CS2 : IN STD_LOGIC;
nRSTO : IN STD_LOGIC;
HD_DD : IN STD_LOGIC;
nSCSI_C_D : IN STD_LOGIC;
nSCSI_I_O : IN STD_LOGIC;
CLK2M4576 : IN STD_LOGIC;
nFB_OE : IN STD_LOGIC;
VSYNC : IN STD_LOGIC;
HSYNC : IN STD_LOGIC;
DSP_INT : IN STD_LOGIC;
nBLANK : IN STD_LOGIC;
FDC_CLK : IN STD_LOGIC;
FB_ALE : IN STD_LOGIC;
ACP_CONF : IN STD_LOGIC_VECTOR(31 downto 24);
nIDE_CS1 : OUT STD_LOGIC;
nIDE_CS0 : OUT STD_LOGIC;
LP_STR : OUT STD_LOGIC;
LP_DIR : OUT STD_LOGIC;
nACSI_ACK : OUT STD_LOGIC;
nACSI_RESET : OUT STD_LOGIC;
nACSI_CS : OUT STD_LOGIC;
ACSI_DIR : OUT STD_LOGIC;
ACSI_A1 : OUT STD_LOGIC;
nSCSI_ACK : OUT STD_LOGIC;
nSCSI_ATN : OUT STD_LOGIC;
SCSI_DIR : OUT STD_LOGIC;
SD_CLK : OUT STD_LOGIC;
YM_QA : OUT STD_LOGIC;
YM_QC : OUT STD_LOGIC;
YM_QB : OUT STD_LOGIC;
nSDSEL : OUT STD_LOGIC;
STEP : OUT STD_LOGIC;
MOT_ON : OUT STD_LOGIC;
nRP_LDS : OUT STD_LOGIC;
nRP_UDS : OUT STD_LOGIC;
nROM4 : OUT STD_LOGIC;
nROM3 : OUT STD_LOGIC;
nCF_CS1 : OUT STD_LOGIC;
nCF_CS0 : OUT STD_LOGIC;
nIDE_RD : INOUT STD_LOGIC;
nIDE_WR : INOUT STD_LOGIC;
AMKB_TX : OUT STD_LOGIC;
IDE_RES : OUT STD_LOGIC;
DTR : OUT STD_LOGIC;
RTS : OUT STD_LOGIC;
TxD : OUT STD_LOGIC;
MIDI_OLR : OUT STD_LOGIC;
MIDI_TLR : OUT STD_LOGIC;
nDREQ0 : OUT STD_LOGIC;
DSA_D : OUT STD_LOGIC;
nMFP_INT : OUT STD_LOGIC;
FALCON_IO_TA : OUT STD_LOGIC;
STEP_DIR : OUT STD_LOGIC;
WR_DATA : OUT STD_LOGIC;
WR_GATE : OUT STD_LOGIC;
DMA_DRQ : OUT STD_LOGIC;
FB_AD : INOUT STD_LOGIC_VECTOR(31 downto 0);
LP_D : INOUT STD_LOGIC_VECTOR(7 downto 0);
ACSI_D : INOUT STD_LOGIC_VECTOR(7 downto 0);
SCSI_D : INOUT STD_LOGIC_VECTOR(7 downto 0);
SCSI_PAR : INOUT STD_LOGIC;
nSCSI_SEL : INOUT STD_LOGIC;
nSCSI_BUSY : INOUT STD_LOGIC;
nSCSI_RST : INOUT STD_LOGIC;
SD_CD_DATA3 : INOUT STD_LOGIC;
SD_CDM_D1 : INOUT STD_LOGIC
);
-- {{ALTERA_IO_END}} DO NOT REMOVE THIS LINE!
END FalconIO_SDCard_IDE_CF;
-- Architecture Body
ARCHITECTURE FalconIO_SDCard_IDE_CF_architecture OF FalconIO_SDCard_IDE_CF IS
-- system
signal SYS_CLK : STD_LOGIC;
signal RESETn : STD_LOGIC;
signal FB_B0 : STD_LOGIC; -- UPPER BYT BEI 16BIT BUS
signal FB_B1 : STD_LOGIC; -- LOWER BYT BEI 16BIT BUS
signal BYT : STD_LOGIC; -- WENN BYT -> 1
signal LONG : STD_LOGIC; -- WENN -> 1
-- KEYBOARD MIDI
signal ACIA_CS_I : STD_LOGIC;
signal IRQ_KEYBDn : STD_LOGIC;
signal IRQ_MIDIn : STD_LOGIC;
signal KEYB_RxD : STD_LOGIC;
signal AMKB_REG : STD_LOGIC_VECTOR(4 downto 0);
signal MIDI_OUT : STD_LOGIC;
signal DATA_OUT_ACIA_I : STD_LOGIC_VECTOR(7 downto 0);
signal DATA_OUT_ACIA_II : STD_LOGIC_VECTOR(7 downto 0);
-- MFP
signal MFP_CS : STD_LOGIC;
signal MFP_INTACK : STD_LOGIC;
signal LDS : STD_LOGIC;
signal DTACK_OUT_MFPn : STD_LOGIC;
signal IRQ_ACIAn : STD_LOGIC;
signal DINTn : STD_LOGIC;
signal DATA_OUT_MFP : STD_LOGIC_VECTOR(7 downto 0);
signal TDO : STD_LOGIC;
-- SOUND
signal SNDCS : STD_LOGIC;
signal SNDCS_I : STD_LOGIC;
signal SNDIR_I : STD_LOGIC;
signal LP_DIR_X : STD_LOGIC;
signal DA_OUT_X : STD_LOGIC_VECTOR(7 downto 0);
signal LP_D_X : STD_LOGIC_VECTOR(7 downto 0);
-- DIV
signal SUB_BUS : STD_LOGIC; -- SUB BUS MIT ROM-PORT, CF UND IDE
signal ROM_CS : STD_LOGIC;
-- DMA UND FLOPPY
signal DMA_DATEN_CS : STD_LOGIC;
signal DMA_MODUS_CS : STD_LOGIC;
signal DMA_MODUS : STD_LOGIC_VECTOR(15 downto 0);
signal WDC_BSL_CS : STD_LOGIC;
signal WDC_BSL : STD_LOGIC_VECTOR(1 DOWNTO 0);
signal HD_DD_OUT : STD_LOGIC;
signal FDCS_In : STD_LOGIC;
signal CA0 : STD_LOGIC;
signal CA1 : STD_LOGIC;
signal CA2 : STD_LOGIC;
signal FDINT : STD_LOGIC;
signal FDRQ : STD_LOGIC;
signal CD_OUT_FDC : STD_LOGIC_VECTOR(7 downto 0);
signal CD_IN_FDC : STD_LOGIC_VECTOR(7 downto 0);
signal DMA_TOP_CS : STD_LOGIC;
signal DMA_TOP : STD_LOGIC_VECTOR(7 downto 0);
signal DMA_HIGH_CS : STD_LOGIC;
signal DMA_HIGH : STD_LOGIC_VECTOR(7 downto 0);
signal DMA_MID_CS : STD_LOGIC;
signal DMA_MID : STD_LOGIC_VECTOR(7 downto 0);
signal DMA_LOW_CS : STD_LOGIC;
signal DMA_LOW : STD_LOGIC_VECTOR(7 downto 0);
signal DMA_DIRM_CS : STD_LOGIC;
signal DMA_ADR_CS : STD_LOGIC;
signal DMA_STATUS : STD_LOGIC_VECTOR(2 downto 0);
signal DMA_DIR_OLD : STD_LOGIC;
signal DMA_BYT_CNT_CS : STD_LOGIC;
signal DMA_BYT_CNT : STD_LOGIC_VECTOR(31 downto 0);
signal CLR_FIFO : STD_LOGIC;
signal DMA_DRQ_I : STD_LOGIC;
signal DMA_DRQ_REG : STD_LOGIC_VECTOR(1 downto 0);
signal DMA_DRQQ : STD_LOGIC;
signal DMA_DRQ_Q : STD_LOGIC;
signal RDF_DOUT : STD_LOGIC_VECTOR(31 downto 0);
signal RDF_AZ : STD_LOGIC_VECTOR(9 downto 0);
signal RDF_RDE : STD_LOGIC;
signal RDF_WRE : STD_LOGIC;
signal RDF_DIN : STD_LOGIC_VECTOR(7 downto 0);
signal WRF_DOUT : STD_LOGIC_VECTOR(7 downto 0);
signal WRF_AZ : STD_LOGIC_VECTOR(9 downto 0);
signal WRF_RDE : STD_LOGIC;
signal WRF_WRE : STD_LOGIC;
signal nFDC_WR : STD_LOGIC;
type FCF_STATES is( FCF_IDLE, FCF_T0, FCF_T1, FCF_T2, FCF_T3, FCF_T6, FCF_T7);
signal FCF_STATE : FCF_STATES;
signal NEXT_FCF_STATE : FCF_STATES;
signal DMA_REQ : STD_LOGIC;
signal FDC_CS : STD_LOGIC;
signal FCF_CS : STD_LOGIC;
signal FCF_APH : STD_LOGIC;
signal DMA_AZ_CS : STD_LOGIC;
signal DMA_ACTIV : STD_LOGIC;
signal DMA_ACTIV_NEW : STD_LOGIC;
signal FDC_OUT : STD_LOGIC_VECTOR(7 downto 0);
-- SCSI
signal SCSI_CS : STD_LOGIC;
signal SCSI_CSn : STD_LOGIC;
signal SCSI_DOUT : STD_LOGIC_VECTOR(7 downto 0);
signal nSCSI_DACK : STD_LOGIC;
signal SCSI_DRQ : STD_LOGIC;
signal SCSI_INT : STD_LOGIC;
signal DB_OUTn : STD_LOGIC_VECTOR(7 downto 0);
signal DB_EN : STD_LOGIC;
signal DBP_OUTn : STD_LOGIC;
signal DBP_EN : STD_LOGIC;
signal RST_OUTn : STD_LOGIC;
signal RST_EN : STD_LOGIC;
signal BSY_OUTn : STD_LOGIC;
signal BSY_EN : STD_LOGIC;
signal SEL_OUTn : STD_LOGIC;
signal SEL_EN : STD_LOGIC;
-- IDE
signal nnIDE_RES : STD_LOGIC;
signal IDE_CF_CS : STD_LOGIC;
signal IDE_CF_TA : STD_LOGIC;
signal NEXT_nIDE_RD : STD_LOGIC;
signal NEXT_nIDE_WR : STD_LOGIC;
type CMD_STATES is( IDLE, T1, T6, T7);
signal CMD_STATE : CMD_STATES;
signal NEXT_CMD_STATE : CMD_STATES;
BEGIN
LONG <= '1' when FB_SIZE1 = '0' and FB_SIZE0 = '0' else '0';
BYT <= '1' when FB_SIZE1 = '0' and FB_SIZE0 = '1' else '0';
FB_B0 <= '1' when FB_ADR(0) = '0' or BYT = '0' else '0';
FB_B1 <= '1' when FB_ADR(0) = '1' or BYT = '0' else '0';
FALCON_IO_TA <= '1' when SNDCS = '1' or DTACK_OUT_MFPn = '0' or ACIA_CS_I = '1' or DMA_MODUS_CS ='1'
or DMA_ADR_CS = '1' or DMA_DIRM_CS = '1' or DMA_BYT_CNT_CS = '1' or FCF_CS = '1' or IDE_CF_TA = '1' else '0';
SUB_BUS <= '1' when nFB_WR = '1' and ROM_CS = '1' ELSE
'1' when nFB_WR = '1' and IDE_CF_CS = '1' ELSE
'1' when nFB_WR = '0' and nIDE_WR = '0' ELSE '0';
nRP_UDS <= '0' when SUB_BUS = '1' and FB_B0 = '1' else '1';
nRP_LDS <= '0' when SUB_BUS = '1' and FB_B1 = '1' else '1';
nDREQ0 <= '0';
----------------------------------------------------------------------------
-- SD
----------------------------------------------------------------------------
SD_CLK <= 'Z';
SD_CD_DATA3 <= 'Z';
SD_CDM_D1 <= 'Z';
----------------------------------------------------------------------------
-- IDE
----------------------------------------------------------------------------
CMD_REG: process(nRSTO, MAIN_CLK, CMD_STATE, NEXT_CMD_STATE)
begin
if nRSTO = '0' then
CMD_STATE <= IDLE;
elsif rising_edge(MAIN_CLK) then
CMD_STATE <= NEXT_CMD_STATE; -- go to next
nIDE_RD <= NEXT_nIDE_RD; -- go to next
nIDE_WR <= NEXT_nIDE_WR; -- go to next
else
CMD_STATE <= CMD_STATE; -- halten
nIDE_RD <= nIDE_RD; -- halten
nIDE_WR <= nIDE_WR; -- halten
end if;
end process CMD_REG;
CMD_DECODER: process(CMD_STATE, NEXT_CMD_STATE, NEXT_nIDE_RD, NEXT_nIDE_WR, IDE_RDY, IDE_CF_TA)
begin
case CMD_STATE is
when IDLE =>
IDE_CF_TA <= '0';
if IDE_CF_CS = '1' then
NEXT_nIDE_RD <= not nFB_WR;
NEXT_nIDE_WR <= nFB_WR;
NEXT_CMD_STATE <= T1;
else
NEXT_nIDE_RD <= '1';
NEXT_nIDE_WR <= '1';
NEXT_CMD_STATE <= IDLE;
end if;
when T1 =>
IDE_CF_TA <= '0';
NEXT_nIDE_RD <= not nFB_WR;
NEXT_nIDE_WR <= nFB_WR;
NEXT_CMD_STATE <= T6;
when T6 =>
IF IDE_RDY = '1' then
IDE_CF_TA <= '1';
NEXT_nIDE_RD <= '1';
NEXT_nIDE_WR <= '1';
NEXT_CMD_STATE <= T7;
else
IDE_CF_TA <= '0';
NEXT_nIDE_RD <= not nFB_WR;
NEXT_nIDE_WR <= nFB_WR;
NEXT_CMD_STATE <= T6;
end if;
when T7 =>
IDE_CF_TA <= '0';
NEXT_nIDE_RD <= '1';
NEXT_nIDE_WR <= '1';
NEXT_CMD_STATE <= IDLE;
end case;
end process CMD_DECODER;
IDE_RES <= not nnIDE_RES and nRSTO;
IDE_CF_CS <= '1' when nFB_CS1 = '0' and FB_ADR(19 downto 7) = x"0" else '0'; -- FFF0'0000/80
nCF_CS0 <= '0' when ACP_CONF(31) = '0' and FB_ADR(19 downto 5) = x"0" else -- FFFO'0000-FFF0'001F
'0' when ACP_CONF(31) = '1' and FB_ADR(19 downto 5) = x"2" else '1'; -- FFFO'0040-FFF0'005F
nCF_CS1 <= '0' when ACP_CONF(31) = '0' and FB_ADR(19 downto 5) = x"1" else -- FFF0'0020-FFF0'003F
'0' when ACP_CONF(31) = '1' and FB_ADR(19 downto 5) = x"3" else '1'; -- FFFO'0060-FFF0'007F
nIDE_CS0 <= '0' when ACP_CONF(30) = '0' and FB_ADR(19 downto 5) = x"2" else -- FFF0'0040-FFF0'005F
'0' when ACP_CONF(30) = '1' and FB_ADR(19 downto 5) = x"0" else '1'; -- FFFO'0000-FFF0'001F
nIDE_CS1 <= '0' when ACP_CONF(30) = '0' and FB_ADR(19 downto 5) = x"3" else -- FFF0'0060-FFF0'007F
'0' when ACP_CONF(30) = '1' and FB_ADR(19 downto 5) = x"1" else '1'; -- FFFO'0020-FFF0'003F
-----------------------------------------------------------------------------------------------------------------------------------------
-- ACSI, SCSI UND FLOPPY WD1772
-------------------------------------------------------------------------------------------------------------------------------------------
-- daten read fifo
RDF: dcfifo0
port map(
aclr => CLR_FIFO,
data => RDF_DIN,
rdclk => MAIN_CLK,
rdreq => RDF_RDE,
wrclk => FDC_CLK,
wrreq => RDF_WRE,
q => RDF_DOUT,
wrusedw => RDF_AZ
);
FCF_CS <= '1' when nFB_CS2 = '0' and FB_ADR(26 downto 0) = x"0020110" and LONG = '1' else '0'; -- F002'0110 LONG ONLY
FCF_APH <= '1' when FB_ALE = '1' and FB_AD(31 downto 0) = x"F0020110" and LONG = '1' else '0'; -- ADRESSPHASE F0020110 LONG ONLY
RDF_RDE <= '1' when FCF_APH = '1' and nFB_WR = '1' else '0'; -- AKTIVIEREN IN ADRESSPHASE
FB_AD <= RDF_DOUT(7 downto 0) & RDF_DOUT(15 downto 8) & RDF_DOUT(23 downto 16) & RDF_DOUT(31 downto 24) when FCF_CS = '1' and nFB_OE = '0' else "ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ";
RDF_DIN <= CD_OUT_FDC when DMA_MODUS(7) = '1' else SCSI_DOUT;
-- daten write fifo
WRF: dcfifo1
port map(
aclr => CLR_FIFO,
data => FB_AD(7 downto 0) & FB_AD(15 downto 8) & FB_AD(23 downto 16) & FB_AD(31 downto 24),
rdclk => FDC_CLK,
rdreq => WRF_RDE,
wrclk => MAIN_CLK,
wrreq => WRF_WRE,
q => WRF_DOUT,
rdusedw => WRF_AZ
);
CD_IN_FDC <= WRF_DOUT when DMA_ACTIV = '1' and DMA_MODUS(8) = '1' else FB_AD(23 downto 16); -- BEI DMA WRITE <-FIFO SONST <-FB
DMA_AZ_CS <= '1' when nFB_CS2 = '0' and FB_ADR(26 downto 0) = x"002010C" else '0'; -- F002'010C LONG
FB_AD <= DMA_DRQ_Q & DMA_DRQ_REG & IDE_INT & FDINT & SCSI_INT & RDF_AZ & "0" & DMA_STATUS & "00" & WRF_AZ when DMA_AZ_CS = '1' and nFB_OE = '0' else "ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ";
DMA_DRQ_Q <= '1' when DMA_DRQ_REG = "11" and DMA_MODUS(6) = '0' else '0';
-- FIFO WRITE: GENAU 1 MAIN_CLK -------------------------------------------------------------------------
process(MAIN_CLK, nRSTO, WRF_WRE, nFB_WR, FCF_APH)
begin
if nRSTO = '0' THEN
WRF_WRE <= '0';
elsif rising_edge(MAIN_CLK) then
IF FCF_APH = '1' and nFB_WR = '0' then
WRF_WRE <= '1';
else
WRF_WRE <= '0';
end if;
else
WRF_WRE <= WRF_WRE;
end if;
END PROCESS;
FCF_REG: process(nRSTO, FDC_CLK, FCF_STATE, NEXT_FCF_STATE, DMA_ACTIV)
begin
if nRSTO = '0' then
FCF_STATE <= FCF_IDLE;
DMA_ACTIV <= '0';
elsif rising_edge(FDC_CLK) then
FCF_STATE <= NEXT_FCF_STATE; -- go to next
DMA_ACTIV <= DMA_ACTIV_NEW;
else
FCF_STATE <= FCF_STATE; -- halten
DMA_ACTIV <= DMA_ACTIV;
end if;
end process FCF_REG;
FDC_REG: process(nRSTO, FDC_CLK, FDC_OUT, FDCS_In, CD_OUT_FDC)
begin
if nRSTO = '0' then
FDC_OUT <= x"00";
elsif rising_edge(FDC_CLK) and FDCS_In = '0' then
FDC_OUT <= CD_OUT_FDC; -- set
else
FDC_OUT <= FDC_OUT; -- halten
end if;
end process FDC_REG;
DMA_REQ <= '1' when ((DMA_DRQ_I = '1' and DMA_MODUS(7) = '1') or (SCSI_DRQ = '1' and DMA_MODUS(7) = '0')) and DMA_STATUS(1) = '1' and DMA_MODUS(6) = '0' and CLR_FIFO = '0' else '0';
FDC_CS <= '1' when DMA_DATEN_CS = '1' and DMA_MODUS(4 downto 3) = "00" and FB_B1 = '1' else '0';
SCSI_CS <= '1' when DMA_DATEN_CS = '1' and DMA_MODUS(4 downto 3) = "01" and FB_B1 = '1' else '0';
FCF_DECODER: process(FCF_STATE, NEXT_FCF_STATE, DMA_REQ,FDC_CS, RDF_WRE, WRF_RDE, SCSI_DRQ, nSCSI_DACK, DMA_MODUS, DMA_ACTIV, FDCS_In,SCSI_CS, SCSI_CSn)
begin
case FCF_STATE is
when FCF_IDLE =>
SCSI_CSn <= '1';
FDCS_In <= '1';
RDF_WRE <= '0';
WRF_RDE <= '0';
nSCSI_DACK <= '1';
if DMA_REQ = '1' or FDC_CS = '1' or SCSI_CS = '1' then
DMA_ACTIV_NEW <= DMA_REQ;
NEXT_FCF_STATE <= FCF_T0;
else
DMA_ACTIV_NEW <= '0';
NEXT_FCF_STATE <= FCF_IDLE;
end if;
when FCF_T0 =>
SCSI_CSn <= '1';
FDCS_In <= '1';
RDF_WRE <= '0';
nSCSI_DACK <= '1';
DMA_ACTIV_NEW <= DMA_REQ;
WRF_RDE <= DMA_MODUS(8) and DMA_REQ; -- WRITE -> READ FROM FIFO
if DMA_REQ = '0' and DMA_ACTIV = '1' THEN -- spike?
NEXT_FCF_STATE <= FCF_IDLE; -- ja -> zum start
else
NEXT_FCF_STATE <= FCF_T1;
end if;
when FCF_T1 =>
RDF_WRE <= '0';
WRF_RDE <= '0';
DMA_ACTIV_NEW <= DMA_ACTIV;
SCSI_CSn <= not SCSI_CS;
FDCS_In <= DMA_MODUS(4) or DMA_MODUS(3);
nSCSI_DACK <= DMA_MODUS(7) and DMA_ACTIV;
NEXT_FCF_STATE <= FCF_T2;
when FCF_T2 =>
RDF_WRE <= '0';
WRF_RDE <= '0';
DMA_ACTIV_NEW <= DMA_ACTIV;
SCSI_CSn <= not SCSI_CS;
FDCS_In <= DMA_MODUS(4) or DMA_MODUS(3);
nSCSI_DACK <= DMA_MODUS(7) and DMA_ACTIV;
NEXT_FCF_STATE <= FCF_T3;
when FCF_T3 =>
RDF_WRE <= '0';
WRF_RDE <= '0';
DMA_ACTIV_NEW <= DMA_ACTIV;
SCSI_CSn <= not SCSI_CS;
FDCS_In <= DMA_MODUS(4) or DMA_MODUS(3);
nSCSI_DACK <= DMA_MODUS(7) and DMA_ACTIV;
NEXT_FCF_STATE <= FCF_T6;
when FCF_T6 =>
WRF_RDE <= '0';
DMA_ACTIV_NEW <= DMA_ACTIV;
SCSI_CSn <= not SCSI_CS;
FDCS_In <= DMA_MODUS(4) or DMA_MODUS(3);
nSCSI_DACK <= DMA_MODUS(7) and DMA_ACTIV;
RDF_WRE <= not DMA_MODUS(8) and DMA_ACTIV; -- READ -> WRITE IN FIFO
NEXT_FCF_STATE <= FCF_T7;
when FCF_T7 =>
SCSI_CSn <= '1';
FDCS_In <= '1';
RDF_WRE <= '0';
WRF_RDE <= '0';
nSCSI_DACK <= '1';
DMA_ACTIV_NEW <= '0';
if FDC_CS = '1' and DMA_REQ = '0' then
NEXT_FCF_STATE <= FCF_T7;
else
NEXT_FCF_STATE <= FCF_IDLE;
end if;
end case;
end process FCF_DECODER;
I_FDC: WF1772IP_TOP_SOC
port map(
CLK => FDC_CLK,
RESETn => nRSTO,
CSn => FDCS_In,
RWn => nFDC_WR,
A1 => CA2,
A0 => CA1,
DATA_IN => CD_IN_FDC,
DATA_OUT => CD_OUT_FDC,
-- DATA_EN => CD_EN_FDC,
RDn => nRD_DATA,
TR00n => TRACK00,
IPn => nINDEX,
WPRTn => nWP,
DDEn => '0', -- Fixed to MFM.
HDTYPE => HD_DD_OUT,
MO => MOT_ON,
WG => WR_GATE,
WD => WR_DATA,
STEP => STEP,
DIRC => STEP_DIR,
DRQ => DMA_DRQ_I,
INTRQ => FDINT
);
DMA_DATEN_CS <= '1' when nFB_CS1 = '0' and FB_ADR(19 downto 1) = x"7C302" else '0'; -- F8604/2
DMA_MODUS_CS <= '1' when nFB_CS1 = '0' and FB_ADR(19 downto 1) = x"7C303" else '0'; -- F8606/2
WDC_BSL_CS <= '1' when nFB_CS1 = '0' and FB_ADR(19 downto 1) = x"7C307" else '0'; -- F860E/2
HD_DD_OUT <= HD_DD WHEN ACP_CONF(29) = '0' ELSE WDC_BSL(0);
nFDC_WR <= (not DMA_MODUS(8)) when DMA_ACTIV = '1' else nFB_WR;
CA0 <= '1' when DMA_ACTIV = '1' ELSE DMA_MODUS(0);
CA1 <= '1' when DMA_ACTIV = '1' ELSE DMA_MODUS(1);
CA2 <= '1' when DMA_ACTIV = '1' ELSE DMA_MODUS(2);
FB_AD(23 downto 16) <= "0000" & (not DMA_STATUS(1)) & "0" & WDC_BSL(1) & HD_DD when WDC_BSL_CS = '1' and nFB_OE = '0' else "ZZZZZZZZ";
FB_AD(31 downto 24) <= "00000000" when DMA_DATEN_CS = '1' and nFB_OE = '0' else "ZZZZZZZZ";
FB_AD(23 downto 16) <= FDC_OUT when DMA_DATEN_CS = '1' and DMA_MODUS(4 downto 3) = "00" and nFB_OE = '0' else
SCSI_DOUT when DMA_DATEN_CS = '1' and DMA_MODUS(4 downto 3) = "01" and nFB_OE = '0' else
DMA_BYT_CNT(16 downto 9) when DMA_DATEN_CS = '1' and DMA_MODUS(4) = '1' and nFB_OE = '0' else "ZZZZZZZZ";
--- WDC BSL REGISTER -------------------------------------------------------
process(MAIN_CLK, nRSTO, WDC_BSL_CS, WDC_BSL, nFB_WR, FB_B0, FB_B1)
begin
if nRSTO = '0' THEN
WDC_BSL <= "00";
elsif rising_edge(MAIN_CLK) and WDC_BSL_CS = '1' and nFB_WR = '0' then
IF FB_B0 = '1' THEN
WDC_BSL(1 DOWNTO 0) <= FB_AD(25 DOWNTO 24);
else
WDC_BSL(1 DOWNTO 0) <= WDC_BSL(1 DOWNTO 0);
end if;
end if;
END PROCESS;
--- DMA MODUS REGISTER -------------------------------------------------------
process(MAIN_CLK, nRSTO, DMA_MODUS_CS, DMA_MODUS, nFB_WR, FB_B0, FB_B1)
begin
if nRSTO = '0' THEN
DMA_MODUS <= x"0000";
elsif rising_edge(MAIN_CLK) and DMA_MODUS_CS = '1' and nFB_WR = '0' then
IF FB_B0 = '1' THEN
DMA_MODUS(15 downto 8) <= FB_AD(31 downto 24);
else
DMA_MODUS(15 downto 8) <= DMA_MODUS(15 downto 8);
end if;
IF FB_B1 = '1' THEN
DMA_MODUS(7 downto 0) <= FB_AD(23 downto 16);
else
DMA_MODUS(7 downto 0) <= DMA_MODUS(7 downto 0);
end if;
else
DMA_MODUS <= DMA_MODUS;
end if;
END PROCESS;
-- BYT COUNTER, SECTOR COUNTER ----------------------------------------------------
process(MAIN_CLK, nRSTO, DMA_DATEN_CS, DMA_BYT_CNT_CS, DMA_BYT_CNT, nFB_WR, FB_B0, FB_B1, DMA_MODUS, CLR_FIFO)
begin
if nRSTO = '0' or CLR_FIFO = '1' THEN
DMA_BYT_CNT <= x"00000000";
elsif rising_edge(MAIN_CLK) and nFB_WR = '0' and DMA_DATEN_CS = '1' and nFB_WR = '0' and DMA_MODUS(4) = '1' and FB_B1 = '1' then
DMA_BYT_CNT(31 downto 17) <= "000000000000000";
DMA_BYT_CNT(16 downto 9) <= FB_AD(23 downto 16);
DMA_BYT_CNT(8 downto 0) <= "000000000";
elsif rising_edge(MAIN_CLK) and nFB_WR = '0' and DMA_BYT_CNT_CS = '1' then
DMA_BYT_CNT <= FB_AD;
else
DMA_BYT_CNT <= DMA_BYT_CNT;
end if;
END PROCESS;
--------------------------------------------------------------------
FB_AD(31 downto 16) <= "0000000000000" & DMA_STATUS when DMA_MODUS_CS = '1' and nFB_OE = '0' else "ZZZZZZZZZZZZZZZZ";
DMA_STATUS(0) <= '1'; -- DMA OK
DMA_STATUS(1) <= '1' when DMA_BYT_CNT /= 0 and DMA_BYT_CNT(31) = '0' else '0'; -- WENN byts UND NICHT MINUS
DMA_STATUS(2) <= '0' when DMA_DRQ_I = '1' or SCSI_DRQ = '1' else '0';
DMA_DRQQ <= '1' when DMA_STATUS(1) = '1' and DMA_MODUS(8) = '0' and RDF_AZ > 15 and DMA_MODUS(6) = '0' else
'1' when DMA_STATUS(1) = '1' and DMA_MODUS(8) = '1' and WRF_AZ < 512 and DMA_MODUS(6) = '0' else '0';
DMA_DRQ <= '1' when DMA_DRQ_REG = "11" and DMA_MODUS(6) = '0' else '0';
-- DMA REQUEST: SPIKES AUSFILTERN ------------------------------------------
process(FDC_CLK, nRSTO, DMA_DRQ_REG)
begin
if nRSTO = '0' THEN
DMA_DRQ_REG <= "00";
elsif rising_edge(FDC_CLK) then
DMA_DRQ_REG(0) <= DMA_DRQQ;
DMA_DRQ_REG(1) <= DMA_DRQ_REG(0) and DMA_DRQQ;
else
DMA_DRQ_REG <= DMA_DRQ_REG;
end if;
END PROCESS;
-- DMA ADRESSE ------------------------------------------------------
process(MAIN_CLK, nRSTO, DMA_TOP_CS, DMA_TOP, nFB_WR, DMA_ADR_CS)
begin
if nRSTO = '0' THEN
DMA_TOP <= x"00";
elsif rising_edge(MAIN_CLK) and nFB_WR = '0' and (DMA_TOP_CS = '1' or DMA_ADR_CS = '1') then
DMA_TOP <= FB_AD(31 downto 24);
else
DMA_TOP <= DMA_TOP;
end if;
END PROCESS;
process(MAIN_CLK, nRSTO, DMA_HIGH_CS, DMA_HIGH, nFB_WR, DMA_ADR_CS)
begin
if nRSTO = '0' THEN
DMA_HIGH <= x"00";
elsif rising_edge(MAIN_CLK) and nFB_WR = '0' and (DMA_HIGH_CS = '1' or DMA_ADR_CS = '1') then
DMA_HIGH <= FB_AD(23 downto 16);
else
DMA_HIGH <= DMA_HIGH;
end if;
END PROCESS;
process(MAIN_CLK, nRSTO, DMA_MID_CS, DMA_MID, nFB_WR)
begin
DMA_MID <= DMA_MID;
if nRSTO = '0' THEN
DMA_MID <= x"00";
elsif rising_edge(MAIN_CLK) and nFB_WR = '0' then
if DMA_MID_CS = '1' then
DMA_MID <= FB_AD(23 downto 16);
elsif DMA_ADR_CS = '1' then
DMA_MID <= FB_AD(15 downto 8);
end if;
end if;
END PROCESS;
process(MAIN_CLK, nRSTO, DMA_LOW_CS, DMA_LOW, nFB_WR)
begin
DMA_LOW <= DMA_LOW;
if nRSTO = '0' THEN
DMA_LOW <= x"00";
elsif rising_edge(MAIN_CLK) and nFB_WR = '0' then
if DMA_LOW_CS = '1'then
DMA_LOW <= FB_AD(23 downto 16);
elsif DMA_ADR_CS = '1' then
DMA_LOW <= FB_AD(7 downto 0);
end if;
end if;
END PROCESS;
--------------------------------------------------------------------------------------------
DMA_TOP_CS <= '1' when nFB_CS1 = '0' and FB_ADR(19 downto 1) = x"7C304" and FB_B0 = '1' else '0'; -- F8608/2
DMA_HIGH_CS <= '1' when nFB_CS1 = '0' and FB_ADR(19 downto 1) = x"7C304" and FB_B1 = '1' else '0'; -- F8609/2
DMA_MID_CS <= '1' when nFB_CS1 = '0' and FB_ADR(19 downto 1) = x"7C305" and FB_B1 = '1' else '0'; -- F860B/2
DMA_LOW_CS <= '1' when nFB_CS1 = '0' and FB_ADR(19 downto 1) = x"7C306" and FB_B1 = '1' else '0'; -- F860D/2
FB_AD(31 downto 24) <= DMA_TOP when DMA_TOP_CS = '1' and nFB_OE = '0' else "ZZZZZZZZ";
FB_AD(23 downto 16) <= DMA_HIGH when DMA_HIGH_CS = '1' and nFB_OE = '0' else "ZZZZZZZZ";
FB_AD(23 downto 16) <= DMA_MID when DMA_MID_CS = '1' and nFB_OE = '0' else "ZZZZZZZZ";
FB_AD(23 downto 16) <= DMA_LOW when DMA_LOW_CS = '1' and nFB_OE = '0' else "ZZZZZZZZ";
-- DIRECTZUGRIFF
DMA_DIRM_CS <= '1' when nFB_CS2 = '0' and FB_ADR(26 downto 0) = x"20100" else '0'; -- F002'0100 WORD
DMA_ADR_CS <= '1' when nFB_CS2 = '0' and FB_ADR(26 downto 0) = x"20104" else '0'; -- F002'0104 LONG
DMA_BYT_CNT_CS <= '1' when nFB_CS2 = '0' and FB_ADR(26 downto 0) = x"20108" else '0'; -- F002'0108 LONG
FB_AD <= DMA_TOP & DMA_HIGH & DMA_MID & DMA_LOW when DMA_ADR_CS = '1' and nFB_OE = '0' else "ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ";
FB_AD(31 downto 16) <= DMA_MODUS when DMA_DIRM_CS = '1' and nFB_OE = '0' else "ZZZZZZZZZZZZZZZZ";
FB_AD <= DMA_BYT_CNT when DMA_BYT_CNT_CS = '1' and nFB_OE = '0' else "ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ";
-- DMA RW TOGGLE ------------------------------------------
process(MAIN_CLK, nRSTO, DMA_MODUS_CS, DMA_MODUS, DMA_DIR_OLD)
begin
if nRSTO = '0' THEN
DMA_DIR_OLD <= '0';
elsif rising_edge(MAIN_CLK) and DMA_MODUS_CS = '0' then
DMA_DIR_OLD <= DMA_MODUS(8);
else
DMA_DIR_OLD <= DMA_DIR_OLD;
end if;
END PROCESS;
CLR_FIFO <= DMA_MODUS(8) xor DMA_DIR_OLD;
-- SCSI ----------------------------------------------------------------------------------
I_SCSI: WF5380_TOP_SOC
port map(
CLK => FDC_CLK,
RESETn => nRSTO,
ADR => CA2 & CA1 & CA0,
DATA_IN => CD_IN_FDC,
DATA_OUT => SCSI_DOUT,
--DATA_EN : out bit;
-- Bus and DMA controls:
CSn => '1', --SCSI_CSn, ABGESCHALTET
RDn => (not nFDC_WR) or (not SCSI_CS),
WRn => nFDC_WR or (not SCSI_CS),
EOPn => '1',
DACKn => nSCSI_DACK,
DRQ => SCSI_DRQ,
INT => SCSI_INT,
-- READY =>
-- SCSI bus:
DB_INn => SCSI_D,
DB_OUTn => DB_OUTn,
DB_EN => DB_EN,
DBP_INn => SCSI_PAR,
DBP_OUTn => DBP_OUTn,
DBP_EN => DBP_EN, -- wenn 1 dann output
RST_INn => nSCSI_RST,
RST_OUTn => RST_OUTn,
RST_EN => RST_EN,
BSY_INn => nSCSI_BUSY,
BSY_OUTn => BSY_OUTn,
BSY_EN => BSY_EN,
SEL_INn => nSCSI_SEL,
SEL_OUTn => SEL_OUTn,
SEL_EN => SEL_EN,
ACK_INn => '1',
ACK_OUTn => nSCSI_ACK,
-- ACK_EN => ACK_EN,
ATN_INn => '1',
ATN_OUTn => nSCSI_ATN,
-- ATN_EN => ATN_EN,
REQ_INn => nSCSI_DRQ,
-- REQ_OUTn => REQ_OUTn,
-- REQ_EN => REQ_EN,
IOn_IN => nSCSI_I_O,
-- IOn_OUT => IOn_OUT,
-- IO_EN => IO_EN,
CDn_IN => nSCSI_C_D,
-- CDn_OUT => CDn_OUT,
-- CD_EN => CD_EN,
MSG_INn => nSCSI_MSG
-- MSG_OUTn => MSG_OUTn,
-- MSG_EN => MSG_EN
);
-- SCSI ACSI ---------------------------------------------------------------
SCSI_D <= DB_OUTn when DB_EN = '1' else "ZZZZZZZZ";
SCSI_DIR <= '1'; --'0' when DB_EN = '1' else '1'; --ABGESCHALTET
SCSI_PAR <= DBP_OUTn when DBP_EN = '1' else 'Z';
nSCSI_RST <= RST_OUTn when RST_EN = '1' else 'Z';
nSCSI_BUSY <= BSY_OUTn when BSY_EN = '1' else 'Z';
nSCSI_SEL <= SEL_OUTn when SEL_EN = '1' else 'Z';
ACSI_DIR <= '0';
ACSI_D <= "ZZZZZZZZ";
nACSI_CS <= '1';
ACSI_A1 <= CA1;
nACSI_RESET <= nRSTO;
nACSI_ACK <= '1';
----------------------------------------------------------------------------
-- ROM-PORT TA KOMMT FROM DEFAULT TA = 16 BUSCYCLEN = 500ns
----------------------------------------------------------------------------
ROM_CS <= '1' when nFB_CS1 = '0' and nFB_WR = '1' and FB_ADR(19 downto 17) = x"5" else '0'; -- FFF A'0000/2'0000
nROM4 <= '0' when ROM_CS = '1' and FB_ADR(16) = '0' else '1';
nROM3 <= '0' when ROM_CS = '1' and FB_ADR(16) = '1' else '1';
----------------------------------------------------------------------------
-- ACIA KEYBOARD
----------------------------------------------------------------------------
I_ACIA_KEYBOARD: WF6850IP_TOP_SOC
port map(
CLK => MAIN_CLK,
RESETn => nRSTO,
CS2n => FB_ADR(2),
CS1 => '1',
CS0 => ACIA_CS_I,
E => ACIA_CS_I,
RWn => nFB_WR,
RS => FB_ADR(1),
DATA_IN => FB_AD(31 downto 24),
DATA_OUT => DATA_OUT_ACIA_I,
-- DATA_EN => DATA_EN_ACIA_I,
TXCLK => CLK500k,
RXCLK => CLK500k,
RXDATA => KEYB_RxD,
CTSn => '0',
DCDn => '0',
IRQn => IRQ_KEYBDn,
TXDATA => AMKB_TX
--RTSn => -- Not used.
);
ACIA_CS_I <= '1' when nFB_CS1 = '0'and FB_ADR(19 downto 3) = x"1FF80" else '0'; -- FFC00-FFC07 FFC00/8
KEYB_RxD <= '1' when AMKB_REG(3) = '1' or PIC_AMKB_RX = '0' else '0'; -- TASTATUR DATEN VOM PIC(PS2) OR NORMAL
FB_AD(31 downto 24) <= DATA_OUT_ACIA_I when ACIA_CS_I = '1' and FB_ADR(2) = '0' and nFB_OE = '0' else "ZZZZZZZZ";
-- AMKB_TX: SPIKES AUSFILTERN ------------------------------------------
process(CLK2M, AMKB_RX, AMKB_REG)
begin
if rising_edge(CLK2M) then
IF AMKB_RX = '0' THEN
IF AMKB_REG < 16 THEN
AMKB_REG <= "00000";
ELSE
AMKB_REG <= AMKB_REG - 1;
END IF;
ELSE
IF AMKB_REG > 15 THEN
AMKB_REG <= "11111";
ELSE
AMKB_REG <= AMKB_REG + 1;
END IF;
END IF;
ELSE
AMKB_REG <= AMKB_REG;
end if;
END PROCESS;
----------------------------------------------------------------------------
-- ACIA MIDI
----------------------------------------------------------------------------
I_ACIA_MIDI: WF6850IP_TOP_SOC
port map(
CLK => MAIN_CLK,
RESETn => nRSTO,
CS2n => '0',
CS1 => FB_ADR(2),
CS0 => ACIA_CS_I,
E => ACIA_CS_I,
RWn => nFB_WR,
RS => FB_ADR(1),
DATA_IN => FB_AD(31 downto 24),
DATA_OUT => DATA_OUT_ACIA_II,
-- DATA_EN => DATA_EN_ACIA_II,
TXCLK => CLK500k,
RXCLK => CLK500k,
RXDATA => MIDI_IN,
CTSn => '0',
DCDn => '0',
IRQn => IRQ_MIDIn,
TXDATA => MIDI_OUT
--RTSn => -- Not used.
);
MIDI_TLR <= MIDI_OUT;
MIDI_OLR <= MIDI_OUT;
FB_AD(31 downto 24) <= DATA_OUT_ACIA_II when ACIA_CS_I = '1' and FB_ADR(2) = '1' and nFB_OE = '0' else "ZZZZZZZZ";
----------------------------------------------------------------------------
-- MFP
----------------------------------------------------------------------------
I_MFP: WF68901IP_TOP_SOC
port map(
-- System control:
CLK => MAIN_CLK,
RESETn => nRSTO,
-- Asynchronous bus control:
DSn => not LDS,
CSn => not MFP_CS,
RWn => nFB_WR,
DTACKn => DTACK_OUT_MFPn,
-- Data and Adresses:
RS => FB_ADR(5 downto 1),
DATA_IN => FB_AD(23 downto 16),
DATA_OUT => DATA_OUT_MFP,
-- DATA_EN => DATA_EN_MFP,
GPIP_IN(7) => not DMA_DRQ_Q,
GPIP_IN(6) => not RI,
GPIP_IN(5) => DINTn,
GPIP_IN(4) => IRQ_ACIAn,
GPIP_IN(3) => DSP_INT,
GPIP_IN(2) => not CTS,
GPIP_IN(1) => not DCD,
GPIP_IN(0) => LP_BUSY,
-- GPIP_OUT =>, -- Not used; all GPIPs are direction input.
-- GPIP_EN =>, -- Not used; all GPIPs are direction input.
-- Interrupt control:
IACKn => not MFP_INTACK,
IEIn => '0',
-- IEOn =>, -- Not used.
IRQn => nMFP_INT,
-- Timers and timer control:
XTAL1 => CLK2M4576,
TAI => '0',
TBI => nBLANK,
-- TAO =>,
-- TBO =>,
-- TCO =>,
TDO => TDO,
-- Serial I/O control:
RC => TDO,
TC => TDO,
SI => RxD,
SO => TxD
-- SO_EN => MFP_SO_EN
-- DMA control:
-- RRn =>,
-- TRn =>
);
MFP_CS <= '1' when nFB_CS1 = '0' and FB_ADR(19 downto 6) = x"3FE8" else '0'; -- FFA00/40
MFP_INTACK <= '1' when nFB_CS2 = '0' and FB_ADR(26 downto 0) = x"20000" else '0'; --F002'0000
LDS <= '1' when MFP_CS = '1' or MFP_INTACK = '1' else '0';
FB_AD(23 downto 16) <= DATA_OUT_MFP when MFP_CS = '1' and nFB_OE = '0' else "ZZZZZZZZ";
FB_AD(31 downto 10) <= "0000000000000000000000" when MFP_INTACK = '1' and nFB_OE = '0' else "ZZZZZZZZZZZZZZZZZZZZZZ";
FB_AD(9 downto 2) <= DATA_OUT_MFP when MFP_INTACK = '1' and nFB_OE = '0' else "ZZZZZZZZ";
FB_AD(1 downto 0) <= "00" when MFP_INTACK = '1' and nFB_OE = '0' else "ZZ";
DINTn <= '0' when IDE_INT = '1' AND ACP_CONFIG[28] = '1' else
'0' when FDINT = '1' else
'0' when SCSI_INT = '1' AND ACP_CONFIG[28] = '1' else '1';
-- TASTATUR UND KEYBOARD INTERRUPT: SPIKES AUSFILTERN ------------------------------------------
process(MAIN_CLK,nRSTO,IRQ_ACIAn,IRQ_KEYBDn,IRQ_MIDIn)
begin
if nRSTO = '0' THEN
IRQ_ACIAn <= '1';
elsif rising_edge(MAIN_CLK) then
IRQ_ACIAn <= IRQ_KEYBDn and IRQ_MIDIn;
else
IRQ_ACIAn <= IRQ_ACIAn;
end if;
END PROCESS;
----------------------------------------------------------------------------
-- Sound
----------------------------------------------------------------------------
I_SOUND: WF2149IP_TOP_SOC
port map(
SYS_CLK => MAIN_CLK,
RESETn => nRSTO,
WAV_CLK => CLK2M,
SELn => '1',
BDIR => SNDIR_I,
BC2 => '1',
BC1 => SNDCS_I,
A9n => '0',
A8 => '1',
DA_IN => FB_AD(31 downto 24),
DA_OUT => DA_OUT_X,
IO_A_IN => x"00", -- All port pins are dedicated outputs.
IO_A_OUT(7) => nnIDE_RES,
IO_A_OUT(6) => LP_DIR_X,
IO_A_OUT(5) => LP_STR,
IO_A_OUT(4) => DTR,
IO_A_OUT(3) => RTS,
-- IO_A_OUT(2) => FDD_D1SEL,
IO_A_OUT(1) => DSA_D,
IO_A_OUT(0) => nSDSEL,
-- IO_A_EN =>, -- Not required.
IO_B_IN => LP_D,
IO_B_OUT => LP_D_X,
-- IO_B_EN => IO_B_EN,
OUT_A => YM_QA,
OUT_B => YM_QB,
OUT_C => YM_QC
);
SNDCS <= '1' when nFB_CS1 = '0' and FB_ADR(19 downto 2) = x"3E200" else '0'; -- 8800-8803 F8800/4
SNDCS_I <= '1' when SNDCS = '1' and FB_ADR (1 downto 1) = "0" else '0';
SNDIR_I <= '1' when SNDCS = '1' and nFB_WR = '0' else '0';
FB_AD(31 downto 24) <= DA_OUT_X when SNDCS_I = '1' and nFB_OE = '0' else "ZZZZZZZZ";
LP_D <= LP_D_X when LP_DIR_X = '0' else "ZZZZZZZZ";
LP_DIR <= LP_DIR_X;
END FalconIO_SDCard_IDE_CF_architecture;

5
FalconIO_SDCard_IDE_CF/WF_SND2149_IP/wf2149ip_top_soc.vhd
View File

@@ -119,6 +119,7 @@ signal ADR_I : bit_vector(3 downto 0);
signal CTRL_REG : bit_vector(7 downto 0);
signal PORT_A : bit_vector(7 downto 0);
signal PORT_B : bit_vector(7 downto 0);
SIGNAL bsel : bit_vector(2 DOWNTO 0);
begin
P_WAVSTRB: process(RESETn, SYS_CLK)
variable LOCK : boolean;
@@ -143,8 +144,8 @@ begin
end if;
end if;
end process P_WAVSTRB;
with BDIR & BC2 & BC1 select
bsel <= bdir & bc2 & bc1;
with bsel select
BUSCYCLE <= INACTIVE when "000" | "010" | "101",
ADDRESS when "001" | "100" | "111",
R_READ when "011",