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# Conway's Game of Life, SSBCC.9x8 implementation

# Copyright 2012-2013, Sinclair R.F., Inc.

ARCHITECTURE core/9x8 Verilog

MEMORY          RAM     ram             128

MEMORY          rom     nBitsSet        8

DATA_STACK      32

RETURN_STACK    32

COMBINE         INSTRUCTION,MEMORY  2048

PORTCOMMENT     video timing

INPORT          set-reset       i_frame_ended           I_FRAME_ENDED

PORTCOMMENT     UART game control

PERIPHERAL      UART            baud=9600

PORTCOMMENT     ping pong buffer access and control

OUTPORT         1-bit           o_ping_pong_sel_rd      O_PING_PONG_SEL_RD

OUTPORT         1-bit           o_ping_pong_sel_wr      O_PING_PONG_SEL_WR

OUTPORT         8-bit           o_addr_high             O_ADDR_LINE

OUTPORT         5-bit           o_addr_low              O_ADDR_WORD

INPORT          8-bit           i_buffer                I_BUFFER

OUTPORT         8-bit,strobe    o_buffer,o_buffer_wr    O_BUFFER

# sizes that must match the number of bits for the number of buffers, and the

# number of line and word addresses

CONSTANT        C_N_MEM_BUFFERS   2

CONSTANT        C_N_MEM_LINES   256

CONSTANT        C_N_MEM_WORDS    32

ASSEMBLY        uc.s