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ttl-calc-v1.txt
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ttl-calc-v1.txt
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;Tests
;=====
;123 . NL 456 "Hello, World!" .s
;swap .s drop .s . .s
;END
;CHIP CHIP ;error - chip in chip not allowed
;CHIP NAME ;error - no name on stack
;CHIP 5 NAME ;error - wrong name type
;CHIP "FOO" NAME 1 DOWN 2 RIGHT END ;repositioning
;CHIP "BAR" NAME 1 UP 2 LEFT END ;repositioning
;CHIP END ;error - chip without name
;CHIP "A" NAME END CHIP "A" NAME END ;error - chip already exists
;5 "num" def "abc" "str" def num str .s ;defining symbols
;123 "FoO" def fOo ;symbol names not case-sensitive
;40 4 "74HCTEST" SIZE ;auto-generated package name
;CHIP "FOO" NAME
;"74HCTEST" MODEL END
;CHIP "FOO" NAME "" ;purposely blank package name
;"74xx" MODEL PKG END
;CHIP "FOO" NAME 2 DOWN 3 RIGHT END ;cursor movement for next chip
;CHIP "BAR" NAME 2 DOWN 3 RIGHT END
;CHIP "FOO" NAME 1 X 2 Y END ;chip placement
;CHIP "FOO" NAME 6 X 7 Y
;10 width 5 height END ;size and shape attributes
;FoO.left foo.right
;foo.top foo.bottom
;foo.width foo.height
;last.left last.right
;last.top last.bottom
;last.width last.height .s
;1 2 + 9 4 - 3 7 * 7 3 / ;arithmetic
;255 128 32 rgb .$ ;colors
;18 52 86 rgb
;dup chip-color
;dup wire-color
;dup border-color
;dup title-color
;dup subtitle-color
;dup bg-color
; grid-color
;CHIP "FOO" NAME 5 COLOR 6 border-color
;7 title-color 8 subtitle-color END
;9 chip-color
;10 wire-color
;11 border-color
;12 title-color
;13 subtitle-color
;14 bg-color
;15 grid-color
;red green blue white black
;cyan magenta yellow
;gray40 gray80 grayC0 .s$
;18 title-size ;fonts
;12 subtitle-size
;"monospace" font-name
;Setup
;=====
2 MARGIN
18 TITLE-SIZE
14 SUBTITLE-SIZE
14 LABEL-SIZE
"monospace" FONT-NAME
192 192 192 RGB TITLE-COLOR
160 160 160 RGB SUBTITLE-COLOR
;Constants
;=========
2 "SPACING" DEF
SPACING 3 2 / * "SPACING1.5" DEF
SPACING 2 * "SPACING2" DEF
SPACING 4 * "L2-SPACING" DEF ;enough vertical spacing for two wire labels
;Chip sizes
;==========
16 4 "74HC138" SIZE
16 4 "74HC193" SIZE
20 4 "74HC244" SIZE
20 4 "74HC574" SIZE
16 4 "74HC670" SIZE
28 6 "8K EEPROM" SIZE
28 6 "32K EEPROM" SIZE ;ie AT28C256
28 6 "8K SRAM" SIZE
;Chip definitions
;================
CHIP
"Carry Buffer" NAME
"74HC574" MODEL
17 RIGHT
GREEN BORDER-COLOR
END
CHIP
"ALU Latch" NAME
"74HC574" MODEL
LAST.BOTTOM Y L2-SPACING DOWN
CYAN BORDER-COLOR
END
CHIP
"ALU" NAME
"32K EEPROM" MODEL
LAST.BOTTOM Y L2-SPACING DOWN
4 LEFT
CYAN BORDER-COLOR
END
CHIP
"Regs HI" NAME
"74HC670" MODEL
LAST.BOTTOM Y L2-SPACING SPACING2 + DOWN
3 LEFT
BLUE BORDER-COLOR
END
CHIP
"Regs LO" NAME
"74HC670" MODEL
LAST.RIGHT X SPACING RIGHT
BLUE BORDER-COLOR
END
CHIP
"Reg Selector" NAME
"74HC574" MODEL
LAST.BOTTOM Y L2-SPACING SPACING + DOWN
ALU.LEFT X 8 RIGHT
MAGENTA BORDER-COLOR
END
CHIP
"RAM Pointer" NAME
"74HC574" MODEL
LAST.LEFT X
LAST.BOTTOM Y L2-SPACING SPACING 5 * + DOWN
RED BORDER-COLOR
END
CHIP
"Data RAM" NAME
"8K SRAM" MODEL
ALU.LEFT X
LAST.BOTTOM Y L2-SPACING SPACING2 + DOWN
255 128 0 RGB BORDER-COLOR
END
CHIP
"X Reg" NAME
"74HC193" MODEL
RAM-POINTER.LEFT X 4 RIGHT
LAST.BOTTOM Y L2-SPACING DOWN
YELLOW BORDER-COLOR
END
CHIP
"LCD" NAME
28 WIDTH 14 HEIGHT
LAST.BOTTOM Y SPACING 7 * DOWN
DATA-RAM.LEFT X
GREEN BORDER-COLOR
END
CHIP
"Data Bus" NAME
9 WIDTH 158 HEIGHT
REGS-LO.RIGHT X SPACING 4 * RIGHT 0 Y
END
RED BORDER-COLOR
CHIP
"PC Bits 7-4" NAME
"74HC193" MODEL
DATA-BUS.RIGHT X SPACING 4 * RIGHT
SPACING 7 * Y
END
CHIP
"PC Bits 3-0" NAME
"74HC193" MODEL
LAST.RIGHT X SPACING RIGHT
END
CHIP
"Program ROM" NAME
"32K EEPROM" MODEL
PC-BITS-7-4.LEFT X 6 RIGHT
LAST.BOTTOM L2-SPACING + Y
END
CHIP
"PC Bits 14-12" NAME
"74HC193" MODEL
PC-BITS-7-4.LEFT X
LAST.BOTTOM Y L2-SPACING DOWN
END
CHIP
"PC Bits 11-8" NAME
"74HC193" MODEL
LAST.RIGHT X SPACING RIGHT
END
CHIP
"ROM Latch" NAME
"74HC574" MODEL
PROGRAM-ROM.LEFT X
PC-BITS-14-12.BOTTOM Y SPACING 5 * DOWN
255 128 0 RGB BORDER-COLOR
END
CHIP
"Instruction" NAME
"74HC574" MODEL
LAST.BOTTOM Y SPACING 5 * DOWN
YELLOW BORDER-COLOR
END
CHIP
"Output Demux" NAME
"74HC138" MODEL
LAST.BOTTOM Y L2-SPACING DOWN
GREEN BORDER-COLOR
END
CHIP
"Keyboard Input" NAME
"74HC244" MODEL
LAST.BOTTOM Y L2-SPACING DOWN
CYAN BORDER-COLOR
END
CHIP
"Resistors" NAME
"10k/100k" MODEL
20 WIDTH 4 HEIGHT
LAST.BOTTOM Y SPACING 3 * DOWN
BLUE BORDER-COLOR
END
CHIP
"Input Demux" NAME
"74HC138" MODEL
RESISTORS.BOTTOM Y SPACING2 DOWN
MAGENTA BORDER-COLOR
END
CHIP
"Microcode Latch" NAME
"74HC574" MODEL
INPUT-DEMUX.BOTTOM Y SPACING 8 * DOWN
RED BORDER-COLOR
END
CHIP
"Microcode ROM" NAME
"8K EEPROM" MODEL
;LAST.X-CENTER X 2 LEFT
LAST.BOTTOM Y SPACING 7 * DOWN
255 128 0 RGB BORDER-COLOR
END
CHIP
"Microcode Count" NAME
"74HC193" MODEL
14 RIGHT
LAST.TOP Y L2-SPACING UP 4 UP
255 128 0 RGB BORDER-COLOR
END
;Wires
;=====
;Wire colors
0 128 0 RGB "CARRY-WIRE" DEF
0 0 144 RGB "REG-WIRE" DEF
0 128 128 RGB "ALU-WIRE" DEF
128 0 128 RGB "REG-SEL-WIRE" DEF
128 0 0 RGB "PROGRAM-ROM-WIRE" DEF
0 128 0 RGB "OUTPUT-DEMUX-WIRE" DEF
128 0 0 RGB "RAM-PTR-WIRE" DEF
128 128 0 RGB "X-REG-WIRE" DEF
128 128 0 RGB "INSTRUCTION-WIRE" DEF
128 0 128 RGB "INPUT-DEMUX-WIRE" DEF
128 0 0 RGB "MC-LATCH-WIRE" DEF
128 64 0 RGB "MC-ROM-WIRE" DEF
;Carry Buffer
WIRE
;Carry Buffer to ALU
CARRY-WIRE COLOR
CARRY-BUFFER.LEFT X
CARRY-BUFFER.Y-CENTER Y MARK
SPACING2 LEFT POINT
"Q7" LABEL
ALU.LEFT X SPACING 4 * 1 + LEFT POINT
ALU.TOP Y 2 DOWN POINT
ALU.LEFT X SPACING1.5 LEFT POINT
"A8" LABEL
ALU.LEFT X POINT
;Carry Buffer to Data Bus
CARRY-BUFFER.X-CENTER X
CARRY-BUFFER.BOTTOM Y MARK
SPACING DOWN POINT
"D7-D0" LABEL
SPACING DOWN POINT
DATA-BUS.LEFT X SPACING2 LEFT POINT
"DB7-DB0" LABEL
DATA-BUS.LEFT X POINT
END
;Regs LO to ALU
REG-WIRE WIRE-COLOR
WIRE
REGS-LO.X-CENTER X REGS-LO.TOP Y MARK
SPACING UP POINT
"Q3-Q0" LABEL
ALU.BOTTOM Y SPACING DOWN POINT
"A3-A0" LABEL
SPACING UP POINT
END
;Regs LO to Data Bus
WIRE
REGS-LO.X-CENTER X
REGS-LO.BOTTOM Y MARK
SPACING DOWN POINT
"D3-D0" LABEL
SPACING DOWN POINT
DATA-BUS.LEFT X SPACING2 LEFT
"DB3-DB0" LABEL
SPACING2 RIGHT POINT
END
;Regs LO to PC bits 11-8
WIRE
REGS-LO.X-CENTER X
ALU.BOTTOM Y SPACING2 SPACING + DOWN MARK
PC-BITS-14-12.LEFT X 3 RIGHT
RJUMP
PC-BITS-11-8.LEFT X 4 RIGHT POINT
PC-BITS-11-8.TOP Y SPACING UP POINT
"D3-D0" LABEL
SPACING DOWN POINT
END
;Regs HI to ALU
WIRE
REGS-HI.X-CENTER X REGS-HI.TOP Y MARK
SPACING UP POINT
"Q3-Q0" LABEL
ALU.BOTTOM Y SPACING DOWN POINT
"A7-A4" LABEL
SPACING UP POINT
END
;Regs HI to Data Bus
WIRE
REGS-HI.X-CENTER X
REGS-HI.BOTTOM Y MARK
SPACING DOWN POINT
"D3-D0" LABEL
SPACING2 DOWN POINT
DATA-BUS.LEFT X SPACING2 LEFT POINT
"DB7-DB4" LABEL
SPACING2 RIGHT POINT
END
;Regs HI to PC Bits 14-12
WIRE
REGS-HI.X-CENTER X
ALU.BOTTOM Y SPACING2 DOWN MARK
REGS-LO.LEFT X 7 RIGHT POINT
RJUMP
PC-BITS-14-12.LEFT X 4 RIGHT POINT
PC-BITS-14-12.TOP Y SPACING UP POINT
"D3-D0" LABEL
SPACING DOWN POINT
END
;ALU to ALU latch
WIRE
ALU-WIRE COLOR
ALU.X-CENTER X ALU.TOP Y MARK
SPACING UP POINT
"IO7-IO0" LABEL
SPACING2 UP POINT
"D7-D0" LABEL
SPACING UP POINT
END
;ALU output to data bus
WIRE
ALU-WIRE COLOR
ALU-LATCH.RIGHT X 4 LEFT
ALU-LATCH.TOP Y MARK
SPACING UP POINT
"Q7-Q0" LABEL
SPACING2 UP POINT
DATA-BUS.LEFT X SPACING2 LEFT
"DB7-DB0" LABEL
SPACING2 RIGHT POINT
END
;Reg Selector to regs
REG-SEL-WIRE WIRE-COLOR
WIRE
;Regs HI
REG-SELECTOR.LEFT X 2 RIGHT
REG-SELECTOR.TOP Y MARK
SPACING UP POINT
"Q3-Q2" LABEL
REGS-HI.BOTTOM Y SPACING DOWN POINT
"RB-RA" LABEL
SPACING UP POINT
;Regs LO
REG-SELECTOR.X-CENTER X
REG-SELECTOR.TOP Y MARK
SPACING UP POINT
"Q1-Q0" LABEL
REGS-LO.BOTTOM Y SPACING DOWN POINT
"RB-RA" LABEL
SPACING UP POINT
END
;Reg Selector to Data Bus
WIRE
REG-SELECTOR.X-CENTER X
REG-SELECTOR.BOTTOM Y MARK
SPACING DOWN POINT
"D3-D0" LABEL
SPACING DOWN POINT
DATA-BUS.LEFT X SPACING2 LEFT POINT
"DB3-DB0" LABEL
SPACING2 RIGHT POINT
END
;RAM Pointer to Data Bus
RAM-PTR-WIRE WIRE-COLOR
WIRE
RAM-POINTER.RIGHT X 4 LEFT
RAM-POINTER.BOTTOM Y MARK
SPACING DOWN POINT
"D7-D0" LABEL
SPACING DOWN POINT
DATA-BUS.LEFT X SPACING2 LEFT POINT
"DB7-DB0" LABEL
SPACING2 RIGHT POINT
END
;RAM Pointer to Data RAM
WIRE
RAM-POINTER.LEFT X 4 RIGHT
RAM-POINTER.BOTTOM Y MARK
SPACING DOWN POINT
"Q7-Q0" LABEL
DATA-RAM.TOP Y SPACING UP POINT
"A11-A4" LABEL
SPACING DOWN POINT
END
;RAM Pointer to LCD
WIRE
RAM-POINTER.LEFT X
RAM-POINTER.Y-CENTER Y MARK
SPACING2 LEFT POINT
"Q7-Q0" LABEL
LCD.LEFT X SPACING 3 * LEFT POINT
LJUMP 1 LEFT POINT
LCD.Y-CENTER Y POINT
1 RIGHT POINT RJUMP
LCD.LEFT X SPACING2 LEFT POINT
"D7-D0" LABEL
SPACING2 RIGHT POINT
END
;Data RAM to Data Bus
WIRE
128 64 0 RGB COLOR
DATA-RAM.RIGHT X 4 LEFT
DATA-RAM.BOTTOM Y MARK
SPACING DOWN POINT
"IO7-IO0" LABEL
SPACING DOWN POINT
DATA-BUS.LEFT X SPACING2 LEFT POINT
"DB7-DB0" LABEL
SPACING2 RIGHT POINT
END
;X Reg to Data RAM
X-REG-WIRE WIRE-COLOR
WIRE
X-REG.LEFT X 4 RIGHT
X-REG.TOP Y MARK
SPACING UP POINT
"Q3-Q0" LABEL
DATA-RAM.BOTTOM Y SPACING DOWN POINT
"A3-A0" LABEL
SPACING UP POINT
END
;X Reg to Data Bus
WIRE
X-REG.RIGHT X 2 LEFT
X-REG.BOTTOM Y MARK
SPACING DOWN POINT
"A3-A0" LABEL
SPACING DOWN POINT
DATA-BUS.LEFT X SPACING2 LEFT POINT
"DB3-DB0" LABEL
SPACING2 RIGHT POINT
END
;PC to Program ROM
PROGRAM-ROM-WIRE WIRE-COLOR
WIRE
;PC Bits 3-0
PC-BITS-3-0.BOTTOM Y
PC-BITS-3-0.RIGHT X 4 LEFT MARK
SPACING DOWN POINT
"Q3-Q0" LABEL
SPACING2 DOWN POINT
"A3-A0" LABEL
SPACING DOWN POINT
;PC Bits 7-4
PC-BITS-7-4.BOTTOM Y
PC-BITS-7-4.RIGHT X 4 LEFT MARK
SPACING DOWN POINT
"Q3-Q0" LABEL
SPACING2 DOWN POINT
"A7-A4" LABEL
SPACING DOWN POINT
;PC Bits 11-8
PC-BITS-11-8.TOP Y
PC-BITS-11-8.RIGHT X SPACING2 LEFT MARK
SPACING UP POINT
"Q3-Q0" LABEL
SPACING2 UP POINT
"A11-A8" LABEL
SPACING UP POINT
;PC Bits 14-12
PC-BITS-14-12.TOP Y
PC-BITS-14-12.RIGHT X
PC-BITS-14-12.WIDTH 4 / LEFT MARK
SPACING UP POINT
"Q2-Q0" LABEL
SPACING2 UP POINT
"A14-A12" LABEL
SPACING UP POINT
END
;PC to data bus
WIRE
PC-BITS-7-4.RIGHT X 2 LEFT
PC-BITS-7-4.TOP Y MARK
SPACING UP POINT
"D3-D0" LABEL
SPACING UP POINT
PC-BITS-7-4.LEFT X 3 RIGHT POINT
LJUMP
DATA-BUS.RIGHT X SPACING2 RIGHT POINT
"DB7-DB4" LABEL
SPACING2 LEFT POINT
PC-BITS-3-0.RIGHT X 2 LEFT
PC-BITS-3-0.TOP Y MARK
SPACING UP POINT
"D3-D0" LABEL
SPACING2 UP POINT
PC-BITS-3-0.LEFT X 3 RIGHT POINT
LJUMP
PC-BITS-7-4.LEFT X 3 RIGHT POINT
LJUMP
DATA-BUS.RIGHT X SPACING2 RIGHT
"DB3-DB0" LABEL
SPACING2 LEFT POINT
END
;Program ROM output
WIRE
;ROM Latch
PROGRAM-ROM.LEFT X
PROGRAM-ROM.Y-CENTER Y MARK
SPACING2 LEFT POINT
"IO7-IO0" LABEL
DATA-BUS.RIGHT X 4 RIGHT POINT
ROM-LATCH.Y-CENTER Y POINT
PUSHXY
ROM-LATCH.LEFT X SPACING2 LEFT POINT
"D7-D0" LABEL
SPACING2 RIGHT POINT
;Instruction Latch
POPXY MARK
INSTRUCTION.Y-CENTER Y POINT
INSTRUCTION.LEFT X SPACING2 LEFT POINT
"D7-D0" LABEL
SPACING2 RIGHT POINT
END
;ROM Latch to Data Bus
WIRE
128 64 0 RGB COLOR
ROM-LATCH.LEFT X 4 RIGHT
ROM-LATCH.BOTTOM Y MARK
SPACING DOWN POINT
"Q7-Q0" LABEL
SPACING DOWN POINT
DATA-BUS.RIGHT X SPACING2 RIGHT POINT
"DB7-DB0" LABEL
SPACING2 LEFT POINT
END
;Instruction to Output Demux
INSTRUCTION-WIRE WIRE-COLOR
WIRE
128 128 0 RGB COLOR
INSTRUCTION.BOTTOM Y
OUTPUT-DEMUX.RIGHT X 3 LEFT MARK
SPACING DOWN POINT
"Q2-Q0" LABEL
SPACING2 DOWN POINT
"A2-A0" LABEL
SPACING DOWN POINT
END
;Instruction to Resistors
WIRE
INSTRUCTION.LEFT X 8 RIGHT
INSTRUCTION.BOTTOM Y MARK
SPACING DOWN POINT
"Q7,Q6" LABEL
SPACING DOWN POINT
"Q1,Q0," LABEL
SPACING DOWN POINT
DATA-BUS.RIGHT X SPACING 4 * RIGHT POINT
SPACING2 LEFT
SPACING2 DOWN POINT
RESISTORS.Y-CENTER Y POINT
RESISTORS.LEFT X POINT
END
;Instruction to ALU
WIRE
INSTRUCTION.LEFT X 2 RIGHT
INSTRUCTION.BOTTOM Y MARK
SPACING DOWN POINT
"Q5-Q0" LABEL
SPACING DOWN POINT
DATA-BUS.RIGHT X SPACING 4 * RIGHT POINT
SPACING2 UP SPACING2 LEFT POINT
ALU.LEFT X SPACING 4 * 1 + LEFT POINT
ALU.BOTTOM Y 2 UP POINT
SPACING2 RIGHT POINT
"A14-A9" LABEL
ALU.LEFT X POINT
END
;Instruction to Input Demux
WIRE
INSTRUCTION.RIGHT X
INSTRUCTION.Y-CENTER Y MARK
SPACING2 RIGHT POINT
"Q5-Q3" LABEL
SPACING2 RIGHT POINT
INPUT-DEMUX.Y-CENTER Y POINT
INPUT-DEMUX.RIGHT X SPACING2 RIGHT POINT
"A2-A0" LABEL
INPUT-DEMUX.RIGHT X POINT
END
;Instruction to Microcode ROM
WIRE
INSTRUCTION.RIGHT X 2 LEFT
INSTRUCTION.TOP Y MARK
SPACING UP POINT
"Q7-Q0" LABEL
SPACING UP POINT
SPACING 10 * RIGHT POINT
MICROCODE-ROM.Y-CENTER Y POINT
MICROCODE-ROM.RIGHT X SPACING2 RIGHT POINT
"A11-A4" LABEL
SPACING2 LEFT POINT
END
;Output Demux signals
OUTPUT-DEMUX-WIRE WIRE-COLOR
WIRE
;Y0 - ALU
OUTPUT-DEMUX.LEFT X
OUTPUT-DEMUX.Y-CENTER Y MARK
SPACING 3 2 / * LEFT POINT
"Y0" LABEL
SPACING 3 2 / * LEFT POINT
SPACING2 DUP LEFT UP POINT
DATA-BUS.LEFT X 4 LEFT POINT
ALU-LATCH.Y-CENTER Y POINT
ALU-LATCH.RIGHT X SPACING 3 2 / * RIGHT POINT
"OE" LABEL
ALU-LATCH.RIGHT X POINT
;Y1 - ROM Latch
OUTPUT-DEMUX.RIGHT X
OUTPUT-DEMUX.Y-CENTER Y MARK
SPACING 3 2 / * RIGHT POINT
"Y1" LABEL
ROM-LATCH.RIGHT X SPACING 3 * RIGHT POINT
ROM-LATCH.Y-CENTER Y POINT
ROM-LATCH.RIGHT X SPACING 3 2 / * RIGHT POINT
"OE" LABEL
ROM-LATCH.RIGHT X POINT
;Y2 - RAM
OUTPUT-DEMUX.LEFT X 4 RIGHT
OUTPUT-DEMUX.BOTTOM Y MARK
SPACING DOWN POINT
"Y2" LABEL
SPACING DOWN POINT
DATA-RAM.RIGHT X SPACING2 LEFT POINT
DATA-RAM.TOP Y SPACING UP POINT
"OE" LABEL
SPACING DOWN POINT
;Y3 - Keyboard Input
OUTPUT-DEMUX.RIGHT X 4 LEFT
OUTPUT-DEMUX.BOTTOM Y MARK
SPACING DOWN POINT
"Y3" LABEL
KEYBOARD-INPUT.TOP Y SPACING UP POINT
"OE" LABEL
SPACING DOWN POINT
END
;Keyboard Input to Data Bus
WIRE
0 128 128 RGB COLOR
KEYBOARD-INPUT.X-CENTER X
KEYBOARD-INPUT.BOTTOM Y MARK
SPACING DOWN POINT
"Q7-Q0" LABEL
SPACING DOWN POINT
DATA-BUS.RIGHT X SPACING2 RIGHT POINT
"DB7-DB0" LABEL
SPACING2 LEFT POINT
END
;Resistors to Data Bus
WIRE
0 0 144 RGB COLOR
RESISTORS.X-CENTER X
RESISTORS.BOTTOM Y MARK
SPACING DOWN POINT
DATA-BUS.RIGHT X SPACING 4 * RIGHT POINT
PUSHXY
1 UP POINT
SPACING2 LEFT
"DB7-DB4" LABEL
SPACING2 LEFT POINT
POPXY MARK
1 DOWN POINT
SPACING2 LEFT
"DB3-DB0" LABEL
SPACING2 LEFT POINT
END
;Input Demux signals
WIRE
INPUT-DEMUX-WIRE COLOR
;;Y0
;INPUT-DEMUX.LEFT X
;INPUT-DEMUX.Y-CENTER Y MARK
;SPACING LEFT POINT
;"Y0" LABEL
;X-REG.X-CENTER X POINT
;X-REG.BOTTOM Y SPACING DOWN
;"CLOCK" LABEL
;SPACING UP POINT
;Y0
INPUT-DEMUX.LEFT X 2 RIGHT
INPUT-DEMUX.BOTTOM Y MARK
SPACING DOWN POINT
"Y0" LABEL
SPACING DOWN POINT
X-REG.X-CENTER X POINT
X-REG.BOTTOM Y SPACING DOWN POINT
"CLOCK" LABEL
X-REG.BOTTOM Y POINT
;Y1
INPUT-DEMUX.LEFT X 4 RIGHT
INPUT-DEMUX.BOTTOM Y MARK
SPACING DOWN POINT
"Y1" LABEL
SPACING2 DOWN POINT
X-REG.LEFT X 2 RIGHT POINT
X-REG.BOTTOM Y SPACING DOWN POINT
"LOAD" LABEL
X-REG.BOTTOM Y POINT
;Y2
INPUT-DEMUX.RIGHT X 2 LEFT
INPUT-DEMUX.BOTTOM Y MARK
SPACING DOWN POINT
"Y2" LABEL
SPACING DOWN POINT
PC-BITS-11-8.RIGHT X SPACING RIGHT POINT
PC-BITS-11-8.BOTTOM Y SPACING2 DOWN POINT
PUSHXY
;PC Bits 14-8
PC-BITS-11-8.X-CENTER X POINT
PUSHXY
SPACING UP POINT
"LOAD" LABEL
PC-BITS-11-8.BOTTOM Y POINT
POPXY MARK
PC-BITS-14-12.X-CENTER X POINT
SPACING UP POINT
"LOAD" LABEL
PC-BITS-11-8.BOTTOM Y POINT
;PC Bits 7-0
POPXY MARK
PC-BITS-3-0.TOP Y SPACING 4 * UP POINT
PC-BITS-3-0.X-CENTER X POINT
PUSHXY
SPACING 3 * DOWN POINT
"LOAD" LABEL
PC-BITS-3-0.TOP Y POINT
POPXY MARK
PC-BITS-7-4.X-CENTER X POINT
SPACING 3 * DOWN POINT
"LOAD" LABEL
PC-BITS-7-4.TOP Y POINT
;Y3
INPUT-DEMUX.LEFT X
INPUT-DEMUX.Y-CENTER Y MARK
SPACING1.5 LEFT POINT
"Y3" LABEL
SPACING1.5 LEFT POINT
DATA-BUS.LEFT X SPACING2 LEFT POINT
RAM-POINTER.Y-CENTER Y POINT
RAM-POINTER.RIGHT X SPACING2 RIGHT POINT
"LOAD" LABEL
DATA-RAM.RIGHT X POINT
;Y4
INPUT-DEMUX.LEFT X 6 RIGHT
INPUT-DEMUX.BOTTOM Y MARK
SPACING DOWN POINT
"Y4" LABEL
SPACING2 SPACING + DOWN POINT
DATA-RAM.LEFT X 4 RIGHT POINT
DATA-RAM.BOTTOM Y SPACING DOWN POINT
"LOAD" LABEL
SPACING UP POINT
;Y5
INPUT-DEMUX.LEFT X 10 RIGHT
INPUT-DEMUX.BOTTOM Y MARK
SPACING DOWN POINT
"Y5" LABEL
SPACING 5 * DOWN POINT
DATA-BUS.LEFT X SPACING2 LEFT POINT
LCD.Y-CENTER Y POINT
LCD.RIGHT X SPACING2 RIGHT POINT
"LOAD" LABEL
SPACING2 LEFT POINT
;Y6
INPUT-DEMUX.LEFT X 8 RIGHT
INPUT-DEMUX.BOTTOM Y MARK
SPACING DOWN POINT
"Y6" LABEL
SPACING 4 * DOWN POINT
REGS-HI.LEFT X 2 LEFT POINT
CARRY-BUFFER.BOTTOM Y SPACING2 DOWN POINT
CARRY-BUFFER.LEFT X 4 RIGHT POINT
SPACING UP POINT
"LOAD" LABEL
SPACING UP POINT
END
;Microcode latch signals
WIRE
MC-LATCH-WIRE COLOR
;Q0
MICROCODE-LATCH.RIGHT X 6 LEFT
MICROCODE-LATCH.TOP Y MARK
SPACING UP POINT
"Q0" LABEL
INPUT-DEMUX.BOTTOM Y SPACING 3 * DOWN POINT
11 RIGHT POINT
RJUMP
PROGRAM-ROM.RIGHT X 4 RIGHT POINT
PC-BITS-11-8.BOTTOM Y 8 DOWN POINT
PUSHXY
PC-BITS-11-8.LEFT X 2 RIGHT POINT
PUSHXY
PC-BITS-11-8.BOTTOM Y SPACING DOWN POINT
"CLOCK" LABEL
SPACING UP POINT
POPXY MARK
PC-BITS-14-12.LEFT X 2 RIGHT POINT
PC-BITS-14-12.BOTTOM Y SPACING DOWN POINT
"CLOCK" LABEL
SPACING UP POINT
POPXY MARK
PC-BITS-3-0.TOP Y SPACING 5 * UP POINT
PC-BITS-3-0.LEFT X 2 RIGHT POINT
PUSHXY
PC-BITS-3-0.TOP Y SPACING UP POINT
"CLOCK" LABEL
SPACING DOWN POINT
POPXY MARK
PC-BITS-7-4.LEFT X 2 RIGHT POINT
PC-BITS-7-4.TOP Y SPACING UP POINT
"CLOCK" LABEL
SPACING DOWN POINT
;Q1
MICROCODE-LATCH.RIGHT X 4 LEFT
MICROCODE-LATCH.TOP Y MARK
SPACING UP POINT
"Q1" LABEL
INPUT-DEMUX.BOTTOM Y SPACING 4 * DOWN POINT
9 RIGHT RJUMP
PROGRAM-ROM.RIGHT X SPACING 3 * RIGHT POINT
PC-BITS-11-8.BOTTOM Y SPACING 3 * DOWN POINT
PUSHXY
1 LEFT LJUMP
PC-BITS-11-8.RIGHT X 4 LEFT POINT
PUSHXY
PC-BITS-11-8.BOTTOM Y SPACING DOWN POINT
"OE" LABEL
SPACING UP POINT
POPXY MARK
9 LEFT LJUMP
PC-BITS-14-12.RIGHT X 4 LEFT POINT
PC-BITS-14-12.BOTTOM Y SPACING DOWN POINT
"OE" LABEL
SPACING UP POINT
POPXY MARK
PC-BITS-3-0.BOTTOM Y SPACING2 DOWN POINT
1 LEFT LJUMP
PC-BITS-3-0.RIGHT X 3 LEFT
LJUMP
PC-BITS-3-0.LEFT X 4 RIGHT POINT
PUSHXY
SPACING UP POINT
"OE" LABEL
SPACING UP POINT
POPXY MARK
PC-BITS-7-4.RIGHT X 3 LEFT POINT
LJUMP
PC-BITS-7-4.LEFT X 4 RIGHT POINT
SPACING UP POINT
"OE" LABEL
SPACING UP POINT
;Q2
MICROCODE-LATCH.LEFT X 2 RIGHT
MICROCODE-LATCH.BOTTOM Y MARK
SPACING DOWN POINT
"Q2" LABEL
LCD.BOTTOM Y SPACING DOWN POINT
ALU-LATCH.LEFT X SPACING 5 * 1 + LEFT POINT
ALU-LATCH.Y-CENTER Y POINT
ALU-LATCH.LEFT X SPACING2 LEFT POINT
"LOAD" LABEL
ALU-LATCH.LEFT X POINT
;Q3
MICROCODE-LATCH.RIGHT X 2 LEFT
MICROCODE-LATCH.TOP Y MARK
SPACING UP POINT
"Q3" LABEL
INPUT-DEMUX.BOTTOM Y SPACING 5 * DOWN POINT
7 RIGHT RJUMP
ROM-LATCH.RIGHT X SPACING 8 * RIGHT POINT
ROM-LATCH.BOTTOM Y SPACING2 DOWN POINT
1 LEFT LJUMP LJUMP
ROM-LATCH.RIGHT X 4 LEFT POINT
SPACING UP POINT
"LOAD" LABEL
SPACING UP POINT
;Q4
INPUT-DEMUX.RIGHT X 4 LEFT
MICROCODE-LATCH.TOP Y MARK
SPACING UP POINT