From b55f31d1ac4a1991f2ad7b2d17be06969ea25e47 Mon Sep 17 00:00:00 2001 From: John Tsiombikas Date: Thu, 30 Apr 2020 09:15:17 +0300 Subject: [PATCH] UART done --- glue.jed | 12 +- glue.pld | 6 +- z80comp2-cache.lib | 112 ++-- z80comp2.lib | 50 +- z80comp2.sch | 1828 +++++++++++++++++++++++++++------------------------- 5 files changed, 1046 insertions(+), 962 deletions(-) diff --git a/glue.jed b/glue.jed index 9d92a50..5411174 100644 --- a/glue.jed +++ b/glue.jed @@ -6,14 +6,16 @@ G0* QF2194* L0000 11111111111110111111111110111101* L0256 11111111111101111111111110111101* -L0512 10101011101111111111111111111011* -L0768 10101011101111111111111111111011* +L0512 10101011101111111111011111101011* +L0544 10101011101111111111011011111011* +L0768 10101011101111111111011111101011* +L0800 10101011101111111111011011111011* L1024 11111111111111111111101111111011* L2048 00010000* L2056 0110011101101100011101010110010101111010001110000011000000000000* -L2120 00000000* +L2120 00000011* L2128 1111111111111111111111111111111111111111111111111111111111111111* L2192 1* L2193 0* -C1d57* -7136 +C2427* +8009 diff --git a/glue.pld b/glue.pld index e48dee5..059e8e1 100644 --- a/glue.pld +++ b/glue.pld @@ -2,12 +2,12 @@ GAL16V8 gluez80 A4 A5 A6 A7 A15 NC M1 MREQ IOREQ GND -RFSH NC NC NC /IACK UARTENP /UARTEN /RAMEN /ROMEN VCC +RFSH RD WR NC /IACK UARTENP /UARTEN /RAMEN /ROMEN VCC ROMEN = /MREQ * RFSH * /A15 RAMEN = /MREQ * RFSH * A15 -UARTEN = /IOREQ * /A7 * /A6 * /A5 * /A4 -UARTENP = /IOREQ * /A7 * /A6 * /A5 * /A4 +UARTEN = /IOREQ*M1*/A7*/A6*/A5*/A4*/RD + /IOREQ*M1*/A7*/A6*/A5*/A4*/WR +UARTENP = /IOREQ*M1*/A7*/A6*/A5*/A4*/RD + /IOREQ*M1*/A7*/A6*/A5*/A4*/WR IACK = /IOREQ * /M1 DESCRIPTION diff --git a/z80comp2-cache.lib b/z80comp2-cache.lib index 3f1491b..1b03780 100644 --- a/z80comp2-cache.lib +++ b/z80comp2-cache.lib @@ -473,7 +473,7 @@ F1 "z80comp2_mc68681" -250 1350 50 H V C CNN F2 "" 550 -550 50 H I C CNN F3 "" 550 -550 50 H I C CNN DRAW -S -350 1300 350 -1500 0 1 0 N +S -350 1300 350 -1500 0 1 0 f X RS1 1 -550 900 200 R 50 50 1 1 I X RXDB 10 550 -650 200 L 50 50 1 1 P X TXDB 11 550 -750 200 L 50 50 1 1 P @@ -520,74 +520,74 @@ ENDDEF # z80comp2_sram_um61512ak # DEF z80comp2_sram_um61512ak U 0 40 Y Y 1 F N -F0 "U" 300 -1200 60 H V C CNN +F0 "U" 100 -1200 60 H V C CNN F1 "z80comp2_sram_um61512ak" 0 -50 60 V V C CNN F2 "" -100 -800 60 H V C CNN F3 "" -100 -800 60 H V C CNN DRAW -S -500 1050 450 -1100 0 1 0 N -X A2 10 -700 800 200 R 50 50 1 1 I -X A1 11 -700 900 200 R 50 50 1 1 I -X A0 12 -700 1000 200 R 50 50 1 1 I -X D0 13 650 1000 200 L 50 50 1 1 B -X D1 14 650 900 200 L 50 50 1 1 B -X D2 15 650 800 200 L 50 50 1 1 B +S -350 1050 350 -1100 0 1 0 f +X A2 10 -550 800 200 R 50 50 1 1 I +X A1 11 -550 900 200 R 50 50 1 1 I +X A0 12 -550 1000 200 R 50 50 1 1 I +X D0 13 550 1000 200 L 50 50 1 1 B +X D1 14 550 900 200 L 50 50 1 1 B +X D2 15 550 800 200 L 50 50 1 1 B X GND 16 0 -1300 200 U 50 50 1 1 W -X D3 17 650 700 200 L 50 50 1 1 B -X D4 18 650 600 200 L 50 50 1 1 B -X D5 19 650 500 200 L 50 50 1 1 B -X D6 20 650 400 200 L 50 50 1 1 B -X D7 21 650 300 200 L 50 50 1 1 B -X ~CE1 22 -700 -950 200 R 50 50 1 1 I I -X A10 23 -700 0 200 R 50 50 1 1 I -X ~OE 24 -700 -750 200 R 50 50 1 1 I I -X A11 25 -700 -100 200 R 50 50 1 1 I -X A9 26 -700 100 200 R 50 50 1 1 I -X A8 27 -700 200 200 R 50 50 1 1 I -X A13 28 -700 -300 200 R 50 50 1 1 I -X ~WE 29 -700 -850 200 R 50 50 1 1 I I -X A14 3 -700 -400 200 R 50 50 1 1 I -X CE2 30 -700 -1050 200 R 50 50 1 1 I -X A15 31 -700 -500 200 R 50 50 1 1 I +X D3 17 550 700 200 L 50 50 1 1 B +X D4 18 550 600 200 L 50 50 1 1 B +X D5 19 550 500 200 L 50 50 1 1 B +X D6 20 550 400 200 L 50 50 1 1 B +X D7 21 550 300 200 L 50 50 1 1 B +X ~CE1 22 -550 -950 200 R 50 50 1 1 I I +X A10 23 -550 0 200 R 50 50 1 1 I +X ~OE 24 -550 -750 200 R 50 50 1 1 I I +X A11 25 -550 -100 200 R 50 50 1 1 I +X A9 26 -550 100 200 R 50 50 1 1 I +X A8 27 -550 200 200 R 50 50 1 1 I +X A13 28 -550 -300 200 R 50 50 1 1 I +X ~WE 29 -550 -850 200 R 50 50 1 1 I I +X A14 3 -550 -400 200 R 50 50 1 1 I +X CE2 30 -550 -1050 200 R 50 50 1 1 I +X A15 31 -550 -500 200 R 50 50 1 1 I X VCC 32 0 1250 200 D 50 50 1 1 W -X A12 4 -700 -200 200 R 50 50 1 1 I -X A7 5 -700 300 200 R 50 50 1 1 I -X A6 6 -700 400 200 R 50 50 1 1 I -X A5 7 -700 500 200 R 50 50 1 1 I -X A4 8 -700 600 200 R 50 50 1 1 I -X A3 9 -700 700 200 R 50 50 1 1 I +X A12 4 -550 -200 200 R 50 50 1 1 I +X A7 5 -550 300 200 R 50 50 1 1 I +X A6 6 -550 400 200 R 50 50 1 1 I +X A5 7 -550 500 200 R 50 50 1 1 I +X A4 8 -550 600 200 R 50 50 1 1 I +X A3 9 -550 700 200 R 50 50 1 1 I ENDDRAW ENDDEF # # z80comp2_z80glue # DEF z80comp2_z80glue U 0 40 Y Y 1 F N -F0 "U" 100 550 50 H V C CNN -F1 "z80comp2_z80glue" -200 550 50 H V C CNN -F2 "" -350 -500 50 H I C CNN -F3 "" -350 -500 50 H I C CNN +F0 "U" 100 650 50 H V C CNN +F1 "z80comp2_z80glue" -200 650 50 H V C CNN +F2 "" -350 -400 50 H I C CNN +F3 "" -350 -400 50 H I C CNN DRAW -S -350 500 350 -500 0 1 0 N -X A4 1 -550 450 200 R 50 50 1 1 I -X GND 10 0 -700 200 U 50 50 1 1 W -X ~RFSH 11 -550 -450 200 R 50 50 1 1 I -X NC 12 150 0 200 L 50 50 1 1 N N -X NC 13 150 -100 200 L 50 50 1 1 N N -X NC 14 150 -200 200 L 50 50 1 1 N N -X ~IACK 15 550 -250 200 L 50 50 1 1 O -X UARTEN 16 550 250 200 L 50 50 1 1 O -X ~UARTEN 17 550 150 200 L 50 50 1 1 O -X ~RAMEN 18 550 50 200 L 50 50 1 1 O -X ~ROMEN 19 550 -50 200 L 50 50 1 1 O -X A5 2 -550 350 200 R 50 50 1 1 I -X A6 3 -550 250 200 R 50 50 1 1 I -X A7 4 -550 150 200 R 50 50 1 1 I -X A15 5 -550 50 200 R 50 50 1 1 I -X NC 6 150 300 200 L 50 50 1 1 N N -X ~M1 7 -550 -150 200 R 50 50 1 1 I -X ~MREQ 8 -550 -250 200 R 50 50 1 1 I -X ~IOREQ 9 -550 -350 200 R 50 50 1 1 I -X VCC ~ 0 700 200 D 50 50 1 1 W +S -350 600 350 -600 0 1 0 f +X A4 1 -550 550 200 R 50 50 1 1 I +X GND 10 0 -800 200 U 50 50 1 1 W +X ~RFSH 11 -550 -350 200 R 50 50 1 1 I +X ~RD 12 -550 -450 200 R 50 50 1 1 I +X ~WR 13 -550 -550 200 R 50 50 1 1 I +X NC 14 200 -250 200 L 50 50 1 1 N N +X ~IACK 15 550 -150 200 L 50 50 1 1 O +X UARTEN 16 550 350 200 L 50 50 1 1 O +X ~UARTEN 17 550 250 200 L 50 50 1 1 O +X ~RAMEN 18 550 150 200 L 50 50 1 1 O +X ~ROMEN 19 550 50 200 L 50 50 1 1 O +X A5 2 -550 450 200 R 50 50 1 1 I +X A6 3 -550 350 200 R 50 50 1 1 I +X A7 4 -550 250 200 R 50 50 1 1 I +X A15 5 -550 150 200 R 50 50 1 1 I +X NC 6 200 -350 200 L 50 50 1 1 N N +X ~M1 7 -550 -50 200 R 50 50 1 1 I +X ~MREQ 8 -550 -150 200 R 50 50 1 1 I +X ~IOREQ 9 -550 -250 200 R 50 50 1 1 I +X VCC ~ 0 800 200 D 50 50 1 1 W ENDDRAW ENDDEF # diff --git a/z80comp2.lib b/z80comp2.lib index 7186c5c..caf0107 100644 --- a/z80comp2.lib +++ b/z80comp2.lib @@ -98,32 +98,32 @@ ENDDEF # z80glue # DEF z80glue U 0 40 Y Y 1 F N -F0 "U" 100 550 50 H V C CNN -F1 "z80glue" -200 550 50 H V C CNN -F2 "" -350 -500 50 H I C CNN -F3 "" -350 -500 50 H I C CNN +F0 "U" 100 650 50 H V C CNN +F1 "z80glue" -200 650 50 H V C CNN +F2 "" -350 -400 50 H I C CNN +F3 "" -350 -400 50 H I C CNN DRAW -S -350 500 350 -500 0 1 0 N -X A4 1 -550 450 200 R 50 50 1 1 I -X GND 10 0 -700 200 U 50 50 1 1 W -X ~RFSH 11 -550 -450 200 R 50 50 1 1 I -X NC 12 150 0 200 L 50 50 1 1 N N -X NC 13 150 -100 200 L 50 50 1 1 N N -X NC 14 150 -200 200 L 50 50 1 1 N N -X ~IACK 15 550 -250 200 L 50 50 1 1 O -X UARTEN 16 550 250 200 L 50 50 1 1 O -X ~UARTEN 17 550 150 200 L 50 50 1 1 O -X ~RAMEN 18 550 50 200 L 50 50 1 1 O -X ~ROMEN 19 550 -50 200 L 50 50 1 1 O -X A5 2 -550 350 200 R 50 50 1 1 I -X A6 3 -550 250 200 R 50 50 1 1 I -X A7 4 -550 150 200 R 50 50 1 1 I -X A15 5 -550 50 200 R 50 50 1 1 I -X NC 6 150 300 200 L 50 50 1 1 N N -X ~M1 7 -550 -150 200 R 50 50 1 1 I -X ~MREQ 8 -550 -250 200 R 50 50 1 1 I -X ~IOREQ 9 -550 -350 200 R 50 50 1 1 I -X VCC ~ 0 700 200 D 50 50 1 1 W +S -350 600 350 -600 0 1 0 f +X A4 1 -550 550 200 R 50 50 1 1 I +X GND 10 0 -800 200 U 50 50 1 1 W +X ~RFSH 11 -550 -350 200 R 50 50 1 1 I +X ~RD 12 -550 -450 200 R 50 50 1 1 I +X ~WR 13 -550 -550 200 R 50 50 1 1 I +X NC 14 200 -250 200 L 50 50 1 1 N N +X ~IACK 15 550 -150 200 L 50 50 1 1 O +X UARTEN 16 550 350 200 L 50 50 1 1 O +X ~UARTEN 17 550 250 200 L 50 50 1 1 O +X ~RAMEN 18 550 150 200 L 50 50 1 1 O +X ~ROMEN 19 550 50 200 L 50 50 1 1 O +X A5 2 -550 450 200 R 50 50 1 1 I +X A6 3 -550 350 200 R 50 50 1 1 I +X A7 4 -550 250 200 R 50 50 1 1 I +X A15 5 -550 150 200 R 50 50 1 1 I +X NC 6 200 -350 200 L 50 50 1 1 N N +X ~M1 7 -550 -50 200 R 50 50 1 1 I +X ~MREQ 8 -550 -150 200 R 50 50 1 1 I +X ~IOREQ 9 -550 -250 200 R 50 50 1 1 I +X VCC ~ 0 800 200 D 50 50 1 1 W ENDDRAW ENDDEF # diff --git a/z80comp2.sch b/z80comp2.sch index 8297341..9c74d01 100644 --- a/z80comp2.sch +++ b/z80comp2.sch @@ -4,1186 +4,1176 @@ EELAYER END $Descr A4 11693 8268 encoding utf-8 Sheet 1 1 -Title "" -Date "" +Title "Z80 computer 2" +Date "2020-04-29" Rev "" Comp "" -Comment1 "" -Comment2 "" +Comment1 "License: Creative Commons Attribution Share-Alike (CC BY-SA)" +Comment2 "Copyright (C) 2020 John Tsiombikas " Comment3 "" Comment4 "" $EndDescr $Comp -L CPU:Z80CPU U1 +L CPU:Z80CPU U3 U 1 1 5EA29512 -P 1900 4050 -F 0 "U1" H 2100 2650 50 0000 C CNN -F 1 "Z80CPU" H 1900 4050 50 0000 C CNN -F 2 "" H 1900 4450 50 0001 C CNN -F 3 "www.zilog.com/manage_directlink.php?filepath=docs/z80/um0080" H 1900 4450 50 0001 C CNN - 1 1900 4050 +P 2000 4050 +F 0 "U3" H 2200 2650 50 0000 C CNN +F 1 "Z80CPU" H 2000 4050 50 0000 C CNN +F 2 "" H 2000 4450 50 0001 C CNN +F 3 "www.zilog.com/manage_directlink.php?filepath=docs/z80/um0080" H 2000 4450 50 0001 C CNN + 1 2000 4050 1 0 0 -1 $EndComp $Comp -L Memory_EEPROM:28C256 U3 +L Memory_EEPROM:28C256 U6 U 1 1 5EA2C09A -P 3750 4400 -F 0 "U3" H 3900 3350 50 0000 C CNN -F 1 "28C256" V 3750 4400 50 0000 C CNN -F 2 "" H 3750 4400 50 0001 C CNN -F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/doc0006.pdf" H 3750 4400 50 0001 C CNN - 1 3750 4400 +P 3850 4400 +F 0 "U6" H 4000 3350 50 0000 C CNN +F 1 "28C256" V 3850 4400 50 0000 C CNN +F 2 "" H 3850 4400 50 0001 C CNN +F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/doc0006.pdf" H 3850 4400 50 0001 C CNN + 1 3850 4400 1 0 0 -1 $EndComp $Comp -L power:GND #PWR04 +L power:GND #PWR08 U 1 1 5EA2ECD7 -P 1900 5550 -F 0 "#PWR04" H 1900 5300 50 0001 C CNN -F 1 "GND" H 1905 5377 50 0000 C CNN -F 2 "" H 1900 5550 50 0001 C CNN -F 3 "" H 1900 5550 50 0001 C CNN - 1 1900 5550 +P 2000 5550 +F 0 "#PWR08" H 2000 5300 50 0001 C CNN +F 1 "GND" H 2005 5377 50 0000 C CNN +F 2 "" H 2000 5550 50 0001 C CNN +F 3 "" H 2000 5550 50 0001 C CNN + 1 2000 5550 1 0 0 -1 $EndComp $Comp -L power:GND #PWR011 +L power:GND #PWR016 U 1 1 5EA2F4C0 -P 3750 5500 -F 0 "#PWR011" H 3750 5250 50 0001 C CNN -F 1 "GND" H 3755 5327 50 0000 C CNN -F 2 "" H 3750 5500 50 0001 C CNN -F 3 "" H 3750 5500 50 0001 C CNN - 1 3750 5500 +P 3850 5500 +F 0 "#PWR016" H 3850 5250 50 0001 C CNN +F 1 "GND" H 3855 5327 50 0000 C CNN +F 2 "" H 3850 5500 50 0001 C CNN +F 3 "" H 3850 5500 50 0001 C CNN + 1 3850 5500 1 0 0 -1 $EndComp $Comp -L power:VCC #PWR03 +L power:VCC #PWR07 U 1 1 5EA2FD95 -P 1900 2550 -F 0 "#PWR03" H 1900 2400 50 0001 C CNN -F 1 "VCC" H 1917 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H 1009 1654 50 0000 R CNN -F 1 "0.1uF" H 1009 1745 50 0000 R CNN -F 2 "" H 1100 1700 50 0001 C CNN -F 3 "~" H 1100 1700 50 0001 C CNN - 1 1100 1700 +P 1200 1700 +F 0 "C1" H 1109 1654 50 0000 R CNN +F 1 "0.1uF" H 1109 1745 50 0000 R CNN +F 2 "" H 1200 1700 50 0001 C CNN +F 3 "~" H 1200 1700 50 0001 C CNN + 1 1200 1700 1 0 0 1 $EndComp Wire Wire Line - 1100 1800 1100 1850 + 1200 1800 1200 1850 +Wire Wire Line + 1200 1850 1850 1850 +Wire Wire Line + 1200 1600 1200 1250 +NoConn ~ 1300 5250 +NoConn ~ 1300 4150 +Wire Wire Line + 1300 3850 1100 3850 +Text Label 1200 3850 0 50 ~ 0 +~M1 +Wire Wire Line + 1300 3950 1100 3950 +Text Label 1100 3950 0 50 ~ 0 +~RFSH +Connection ~ 4700 2600 +Wire Bus Line + 4600 2600 4700 2600 +Wire Bus Line + 4700 2600 6350 2600 +Wire Bus Line + 3150 2600 4700 2600 +Connection ~ 3000 2600 +Wire Wire Line + 3300 2000 3100 2000 +Wire Wire Line + 3300 2100 3100 2100 +Text Label 3200 2000 0 50 ~ 0 +~RD +Text Label 3200 2100 0 50 ~ 0 +~WR +$Comp +L 74xx:74HC14 U1 +U 5 1 5FEF66B9 +P 5600 1300 +F 0 "U1" H 5550 1450 50 0000 L CNN +F 1 "74HC14" H 5550 1150 50 0000 L CNN +F 2 "" H 5600 1300 50 0001 C CNN +F 3 "http://www.ti.com/lit/gpn/sn74HC14" H 5600 1300 50 0001 C CNN + 5 5600 1300 + 1 0 0 -1 +$EndComp +$Comp +L Device:C_Small C9 +U 1 1 5FEF828C +P 5100 1100 +F 0 "C9" H 5008 1054 50 0000 R CNN +F 1 "0.1uF" H 5008 1145 50 0000 R CNN +F 2 "" H 5100 1100 50 0001 C CNN +F 3 "~" H 5100 1100 50 0001 C CNN + 1 5100 1100 + -1 0 0 1 +$EndComp +$Comp +L Device:R R7 +U 1 1 5FF0FBDF +P 4850 1300 +F 0 "R7" V 4750 1250 50 0000 L CNN +F 1 "120R" V 4850 1200 50 0000 L CNN +F 2 "" V 4780 1300 50 0001 C CNN +F 3 "~" H 4850 1300 50 0001 C CNN + 1 4850 1300 + 0 1 1 0 +$EndComp +$Comp +L power:VCC #PWR018 +U 1 1 5FF26567 +P 5100 1000 +F 0 "#PWR018" H 5100 850 50 0001 C CNN +F 1 "VCC" H 5117 1173 50 0000 C CNN +F 2 "" H 5100 1000 50 0001 C CNN +F 3 "" H 5100 1000 50 0001 C CNN + 1 5100 1000 + 1 0 0 -1 +$EndComp +$Comp +L 74xx:74HC14 U1 +U 4 1 5FF485F0 +P 6200 1300 +F 0 "U1" H 6150 1450 50 0000 L CNN +F 1 "74HC14" H 6150 1150 50 0000 L CNN +F 2 "" H 6200 1300 50 0001 C CNN +F 3 "http://www.ti.com/lit/gpn/sn74HC14" H 6200 1300 50 0001 C CNN + 4 6200 1300 + 1 0 0 -1 +$EndComp +Wire Wire Line + 6500 1300 6800 1300 Wire Wire Line - 1100 1850 1750 1850 + 5000 1300 5100 1300 Wire Wire Line - 1100 1600 1100 1250 + 5100 1200 5100 1300 Wire Bus Line - 6500 2600 6500 3200 + 6350 2600 6350 3200 Wire Bus Line - 2900 1200 2900 2600 + 3000 1100 3000 2600 Wire Bus Line - 6550 3400 6550 4400 + 6400 3400 6400 4400 Wire Bus Line - 4450 3600 4450 5850 + 4550 3600 4550 5850 Wire Bus Line - 2900 4650 2900 5850 + 3000 4650 3000 5850 Wire Bus Line - 3050 2600 3050 4800 + 3150 2600 3150 4800 Wire Bus Line - 4600 2600 4600 4600 + 4700 2600 4700 4600 Wire Bus Line - 2900 2600 2900 4250 + 3000 2600 3000 4250 +Connection ~ 5100 1300 +Wire Wire Line + 5100 1300 5300 1300 +Text Notes 5350 950 0 50 ~ 0 +Delay the UART ~CS~ for a few ns to bring the\ntiming between R/~W~ and ~CS~ within spec\n(this might have been a red herring and not necessary) $EndSCHEMATC -- 1.7.10.4