430 lines
18 KiB
PHP
Executable file
430 lines
18 KiB
PHP
Executable file
; MOS6526
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.ifndef _VIA_INC_
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.ifndef _CIA_INC_
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_CIA_INC_ = 1
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.if (::PLATFORM = 64) | (::PLATFORM = 128) ; cia.inc defines C-64 and 1581 symbols, so it might be included along with, e.g., ted.inc
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; C-64 keyboard matrix positions
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STOP_COLUMN = %01111111
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STOP_ROW = %01111111
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LEFT_SHIFT_COLUMN = %11111101
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LEFT_SHIFT_ROW = %01111111
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ALL_COLUMNS = %00000000
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NO_ROWS = %11111111
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.endif
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; the two CIAs in the C-64
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CIA1_BASE = $dc00
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CIA_PIO0 = %00000001
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CIA_PIO1 = %00000010
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CIA_PIO2 = %00000100
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CIA_PIO3 = %00001000
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CIA_PIO4 = %00010000
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CIA_PIO5 = %00100000
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CIA_PIO6 = %01000000
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CIA_PIO7 = %10000000
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CIA1_PRA = CIA1_BASE + $00; Port register A
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KBD_COLUMN0 = ~CIA_PIO0
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KBD_COLUMN1 = ~CIA_PIO1
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KBD_COLUMN2 = ~CIA_PIO2
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KBD_COLUMN3 = ~CIA_PIO3
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KBD_COLUMN4 = ~CIA_PIO4
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KBD_COLUMN5 = ~CIA_PIO4
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KBD_COLUMN6 = ~CIA_PIO5
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KBD_COLUMN7 = ~CIA_PIO5
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JOY2_UP = ~CIA_PIO0
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JOY2_DOWN = ~CIA_PIO1
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JOY2_LEFT = ~CIA_PIO2
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JOY2_RIGHT = ~CIA_PIO3
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JOY2_FIRE = ~CIA_PIO4
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PADDLE_ENPORT1 = CIA_PIO6
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PADDLE_ENPORT2 = CIA_PIO7
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PADDLE_EN_MASK = CIA_PIO5 | CIA_PIO4 | CIA_PIO3 | CIA_PIO2 | CIA_PIO1 | CIA_PIO0
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CIA1_PRB = CIA1_BASE + $01; Port register B
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KBD_ROW0 = ~CIA_PIO0
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KBD_ROW1 = ~CIA_PIO1
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KBD_ROW2 = ~CIA_PIO2
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KBD_ROW3 = ~CIA_PIO3
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KBD_ROW4 = ~CIA_PIO4
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KBD_ROW5 = ~CIA_PIO5
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KBD_ROW6 = ~CIA_PIO6
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KBD_ROW7 = ~CIA_PIO7
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JOY1_UP = ~CIA_PIO0
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JOY1_DOWN = ~CIA_PIO1
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JOY1_LEFT = ~CIA_PIO2
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JOY1_RIGHT = ~CIA_PIO3
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JOY1_FIRE = ~CIA_PIO4
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CIA1_DDRA = CIA1_BASE + $02; Data direction register A
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CIA_PIO0_OUTPUT = CIA_PIO0
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CIA_PIO0_INPUT = %00000000
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CIA_PIO1_OUTPUT = CIA_PIO1
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CIA_PIO1_INPUT = %00000000
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CIA_PIO2_OUTPUT = CIA_PIO2
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CIA_PIO2_INPUT = %00000000
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CIA_PIO3_OUTPUT = CIA_PIO3
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CIA_PIO3_INPUT = %00000000
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CIA_PIO4_OUTPUT = CIA_PIO4
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CIA_PIO4_INPUT = %00000000
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CIA_PIO5_OUTPUT = CIA_PIO5
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CIA_PIO5_INPUT = %00000000
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CIA_PIO6_OUTPUT = CIA_PIO6
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CIA_PIO6_INPUT = %00000000
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CIA_PIO7_OUTPUT = CIA_PIO7
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CIA_PIO7_INPUT = %00000000
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CIA1_DDRB = CIA1_BASE + $03; Data direction register B
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CIA1_TA_LO = CIA1_BASE + $04; Timer A, low byte
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CIA1_TA_HI = CIA1_BASE + $05; Timer A, high byte
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CIA1_TB_LO = CIA1_BASE + $06; Timer B, low byte
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CIA1_TB_HI = CIA1_BASE + $07; Timer B, high byte
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CIA1_TOD_10S = CIA1_BASE + $08; Time of day, 1/10 seconds
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CIA1_TOD_SEC = CIA1_BASE + $09; Time of day, seconds
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CIA1_TOD_MIN = CIA1_BASE + $0a; Time of day, minutes
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CIA1_TOD_HRS = CIA1_BASE + $0b; Time of day, hours
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TOD_AMPM = %10000000
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TOD_AM = %00000000
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TOD_PM = %10000000
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TOD_HRS_MASK = %00011111
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CIA1_SDR = CIA1_BASE + $0c; Serial data register
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CIA1_ICR = CIA1_BASE + $0d; Interrupt control register
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TIMERA_IRQ = %00000001
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TIMERB_IRQ = %00000010
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TOD_IRQ = %00000100
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SERIAL_IRQ = %00001000
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FLAG1_IRQ = %00010000
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EVERY_IRQ = %01111111
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CIA_INTERRUPT = %10000000
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CIA_CLR_INTF = %00000000
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CIA_SET_INTF = %10000000
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CIA1_CRA = CIA1_BASE + $0e; Control Register A
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TIMER_STOP = %00000000
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TIMER_START = %00000001
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OUTPUT_TO_PB6 = %00000010
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OUTPUT_PULSE = %00000000
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OUTPUT_TOGGLE = %00000100
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CONTINUOUS = %00000000
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ONE_SHOT = %00001000
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FORCE_LOAD = %00010000
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COUNT_PHI2 = %00000000
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COUNT_CNT = %00100000
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IOMODE_INPUT = %00000000
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IOMODE_OUTPUT = %01000000
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TOD_FREQ_60HZ = %00000000
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TOD_FREQ_50HZ = %10000000
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TOD_FREQ_MASK = TOD_FREQ_50HZ
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CIA1_CRB = CIA1_BASE + $0f; Control Register B
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;TIMER_STOP = %00000000
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;TIMER_START = %00000001
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OUTPUT_TO_PB7 = %00000010
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;OUTPUT_PULSE = %00000000
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;OUTPUT_TOGGLE = %00000100
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;CONTINUOUS = %00000000
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;ONE_SHOT = %00001000
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;FORCE_LOAD = %00010000
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;COUNT_PHI2 = %00000000
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COUNT_CNT_POS = %00100000
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COUNT_TA_UNDF = %01000000
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COUNT_TA_UFCN = %01100000
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COUNT_CRB_MASK = COUNT_TA_UFCN
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TOD_SET_CLOCK = %00000000
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TOD_SET_ALARM = %10000000
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CIA2_BASE = $dd00
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;CIA_PIO0 = %00000001
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;CIA_PIO1 = %00000010
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;CIA_PIO2 = %00000100
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;CIA_PIO3 = %00001000
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;CIA_PIO4 = %00010000
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;CIA_PIO5 = %00100000
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;CIA_PIO6 = %01000000
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;CIA_PIO7 = %10000000
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CIA2_PRA = CIA2_BASE + $00; Port register A
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VIC2_BANK = %00000011
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VIC2_BANK0 = %00000000
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VIC2_BANK1 = CIA_PIO0
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VIC2_BANK2 = CIA_PIO1
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VIC2_BANK3 = CIA_PIO1 | CIA_PIO0
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VIC2_BANK_SHIFT = 0
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VIC2_BANK_MASK = VIC2_BANK
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.define VIC2_MAKE_BANK(address) .lobyte(((address & $c000) >> 14) ^ 3)
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RS232_TXD = CIA_PIO2
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SERIAL_ATN_OUT = CIA_PIO3
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SERIAL_CLK_OUT = CIA_PIO4
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SERIAL_DATA_OUT = CIA_PIO5
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SERIAL_CLK_IN = CIA_PIO6
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SERIAL_DATA_IN = CIA_PIO7
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CIA2_PRB = CIA2_BASE + $01; Port register B
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RS232_RXD = CIA_PIO0
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RS232_RTS = CIA_PIO1
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RS232_DTR = CIA_PIO2
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RS232_RING = CIA_PIO3
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RS232_CARRIER = CIA_PIO4
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USERPORT_PB5 = CIA_PIO5
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RS232_CTS = CIA_PIO6
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RS232_DSR = CIA_PIO7
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CIA2_DDRA = CIA2_BASE + $02; Data direction register A
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;CIA_PIO0_OUTPUT = CIA_PIO0
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;CIA_PIO0_INPUT = %00000000
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;CIA_PIO1_OUTPUT = CIA_PIO1
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;CIA_PIO1_INPUT = %00000000
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CIA_VIC2_BANK_OUTPUT = CIA_PIO0 | CIA_PIO1
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CIA_VIC2_BANK_INPUT = %00000000
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;CIA_PIO2_OUTPUT = CIA_PIO2
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;CIA_PIO2_INPUT = %00000000
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CIA_RS232_TXD_OUTPUT = CIA_PIO2
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CIA_RS232_TXD_INPUT = %00000000
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;CIA_PIO3_OUTPUT = CIA_PIO3
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;CIA_PIO3_INPUT = %00000000
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CIA_SERIAL_ATN_OUT_OUTPUT = CIA_PIO3
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CIA_SERIAL_ATN_OUT_INPUT = %00000000
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;CIA_PIO4_OUTPUT = CIA_PIO4
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;CIA_PIO4_INPUT = %00000000
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CIA_SERIAL_CLK_OUT_OUTPUT = CIA_PIO4
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CIA_SERIAL_CLK_OUT_INPUT = %00000000
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;CIA_PIO5_OUTPUT = CIA_PIO5
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;CIA_PIO5_INPUT = %00000000
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CIA_SERIAL_DATA_OUT_OUTPUT = CIA_PIO5
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CIA_SERIAL_DATA_OUT_INPUT = %00000000
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;CIA_PIO6_OUTPUT = CIA_PIO6
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;CIA_PIO6_INPUT = %00000000
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CIA_SERIAL_CLK_IN_OUTPUT = CIA_PIO6
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CIA_SERIAL_CLK_IN_INPUT = %00000000
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;CIA_PIO7_OUTPUT = CIA_PIO7
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;CIA_PIO7_INPUT = %00000000
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CIA_SERIAL_DATA_IN_OUTPUT = CIA_PIO7
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CIA_SERIAL_DATA_IN_INPUT = %00000000
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CIA2_DDRB = CIA2_BASE + $03; Data direction register B
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CIA2_TA_LO = CIA2_BASE + $04; Timer A, low byte
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CIA2_TA_HI = CIA2_BASE + $05; Timer A, high byte
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CIA2_TB_LO = CIA2_BASE + $06; Timer B, low byte
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CIA2_TB_HI = CIA2_BASE + $07; Timer B, high byte
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CIA2_TOD_10S = CIA2_BASE + $08; Time of day, 1/10 seconds
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CIA2_TOD_SEC = CIA2_BASE + $09; Time of day, seconds
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CIA2_TOD_MIN = CIA2_BASE + $0a; Time of day, minutes
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CIA2_TOD_HRS = CIA2_BASE + $0b; Time of day, hours
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;TOD_AMPM = %10000000
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;TOD_AM = %00000000
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;TOD_PM = %10000000
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;TOD_HRS_MASK = %00011111
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CIA2_SDR = CIA2_BASE + $0c; Serial data register
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CIA2_ICR = CIA2_BASE + $0d; Interrupt control register
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TIMERA_NMI = %00000001
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TIMERB_NMI = %00000010
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TOD_NMI = %00000100
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SERIAL_NMI = %00001000
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FLAG1_NMI = %00010000
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EVERY_NMI = %01111111
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;CIA_INTERRUPT = %10000000
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;CIA_CLR_INTF = %00000000
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;CIA_SET_INTF = %10000000
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CIA2_CRA = CIA2_BASE + $0e; Control Register A
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;TIMER_STOP = %00000000
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;TIMER_START = %00000001
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;OUTPUT_TO_PB6 = %00000010
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;OUTPUT_PULSE = %00000000
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;OUTPUT_TOGGLE = %00000100
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;CONTINUOUS = %00000000
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;ONE_SHOT = %00001000
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;FORCE_LOAD = %00010000
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;COUNT_PHI2 = %00000000
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;COUNT_CNT = %00100000
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SERIAL_INPUT = %00000000
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SERIAL_OUTPUT = %01000000
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;TOD_FREQ_60HZ = %00000000
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;TOD_FREQ_50HZ = %10000000
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CIA2_CRB = CIA2_BASE + $0f; Control Register B
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;TIMER_STOP = %00000000
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;TIMER_START = %00000001
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;OUTPUT_TO_PB7 = %00000010
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;OUTPUT_PULSE = %00000000
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;OUTPUT_TOGGLE = %00000100
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;CONTINUOUS = %00000000
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;ONE_SHOT = %00001000
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;FORCE_LOAD = %00010000
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;COUNT_PHI2 = %00000000
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;COUNT_CNT_POS = %00100000
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;COUNT_TA_UNDF = %01000000
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;COUNT_TA_UFCN = %01100000
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;COUNT_CRB_MASK = COUNT_TA_UFCN
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;TOD_SET_CLOCK = %00000000
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;TOD_SET_ALARM = %10000000
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; the CIA in the 1571 (not CR) and 1581
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; on 1571, only the fast serial interface is connected
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; on 1571CR, only the fast serial interface is implemented (MOS5710)
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CIA_BASE = $4000
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;CIA_PIO0 = %00000001
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;CIA_PIO1 = %00000010
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;CIA_PIO2 = %00000100
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;CIA_PIO3 = %00001000
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;CIA_PIO4 = %00010000
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;CIA_PIO5 = %00100000
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;CIA_PIO6 = %01000000
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;CIA_PIO7 = %10000000
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CIA_PRA = CIA_BASE + $00; Port register A
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SIDE_SELECT = CIA_PIO0
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DISK_INSERTED = CIA_PIO1
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DISK_IS_INSERTED = %00000000
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NO_DISK_IS_INSERTED = DISK_INSERTED
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MOTOR = CIA_PIO2
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MOTOR_ON = %00000000
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MOTOR_OFF = MOTOR
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DEVICE_NUMBER = CIA_PIO3 | CIA_PIO4
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DEVICE_NUMBER_8 = %00000000
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DEVICE_NUMBER_9 = CIA_PIO3
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DEVICE_NUMBER_10 = CIA_PIO4
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DEVICE_NUMBER_11 = CIA_PIO3 | CIA_PIO4
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DEVICE_NUMBER_SHIFT = 3
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DEVICE_NUMBER_MASK = DEVICE_NUMBER
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POWER_LED = CIA_PIO5
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DRIVE_LED = CIA_PIO6
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DISK_CHANGE = CIA_PIO7
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DISK_CHANGED = %00000000
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NO_DISK_CHANGED = DISK_CHANGE
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CIA_PRB = CIA_BASE + $01; Port register B
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DATA_IN = CIA_PIO0
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DATA_OUT = CIA_PIO1
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CLK_IN = CIA_PIO2
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CLK_OUT = CIA_PIO3
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ATNA_ENABLE_OUT = CIA_PIO4
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FSM_BUS_DRIVER_DIRECTION = CIA_PIO5
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FSM_BUS_DRIVER_INPUT = %00000000
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FSM_BUS_DRIVER_OUTPUT = FSM_BUS_DRIVER_DIRECTION
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WRITE_PROTECT = CIA_PIO6
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ATN_IN = CIA_PIO7
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CIA_DDRA = CIA_BASE + $02; Data direction register A
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;CIA_PIO0_OUTPUT = CIA_PIO0
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;CIA_PIO0_INPUT = %00000000
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;CIA_PIO1_OUTPUT = CIA_PIO1
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;CIA_PIO1_INPUT = %00000000
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;CIA_PIO2_OUTPUT = CIA_PIO2
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;CIA_PIO2_INPUT = %00000000
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;CIA_PIO3_OUTPUT = CIA_PIO3
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;CIA_PIO3_INPUT = %00000000
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;CIA_PIO4_OUTPUT = CIA_PIO4
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;CIA_PIO4_INPUT = %00000000
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;CIA_PIO5_OUTPUT = CIA_PIO5
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;CIA_PIO5_INPUT = %00000000
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;CIA_PIO6_OUTPUT = CIA_PIO6
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;CIA_PIO6_INPUT = %00000000
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;CIA_PIO7_OUTPUT = CIA_PIO7
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;CIA_PIO7_INPUT = %00000000
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CIA_DDRB = CIA_BASE + $03; Data direction register B
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DATA_IN_OUTPUT = CIA_PIO0
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DATA_IN_INPUT = %00000000
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DATA_OUT_OUTPUT = CIA_PIO1
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DATA_OUT_INPUT = %00000000
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CLK_IN_OUTPUT = CIA_PIO2
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CLK_IN_INPUT = %00000000
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CLK_OUT_OUTPUT = CIA_PIO3
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CLK_OUT_INPUT = %00000000
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ATNA_ENABLE_OUT_OUTPUT = CIA_PIO4
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ATNA_ENABLE_OUT_INPUT = %00000000
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FSM_BUS_DRIVER_DIRECTION_OUTPUT = CIA_PIO5
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FSM_BUS_DRIVER_DIRECTION_INPUT = %00000000
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WRITE_PROTECT_OUTPUT = CIA_PIO6
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WRITE_PROTECT_INPUT = %00000000
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CIA_ATN_IN_OUTPUT = CIA_PIO7
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CIA_ATN_IN_INPUT = %00000000
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CIA_TA_LO = CIA_BASE + $04; Timer A, low byte
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CIA_TA_HI = CIA_BASE + $05; Timer A, high byte
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CIA_TB_LO = CIA_BASE + $06; Timer B, low byte
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CIA_TB_HI = CIA_BASE + $07; Timer B, high byte
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CIA_TOD_10S = CIA_BASE + $08; Time of day, 1/10 seconds
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CIA_TOD_SEC = CIA_BASE + $09; Time of day, seconds
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CIA_TOD_MIN = CIA_BASE + $0a; Time of day, minutes
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CIA_TOD_HRS = CIA_BASE + $0b; Time of day, hours
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;TOD_AMPM = %10000000
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;TOD_AM = %00000000
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;TOD_PM = %10000000
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;TOD_HRS_MASK = %00011111
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CIA_SDR = CIA_BASE + $0c; Serial data register
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CIA_ICR = CIA_BASE + $0d; Interrupt control register
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;TIMERA_IRQ = %00000001
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;TIMERB_IRQ = %00000010
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;TOD_IRQ = %00000100
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;SERIAL_IRQ = %00001000
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;FLAG1_IRQ = %00010000
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;EVERY_IRQ = %01111111
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;CIA_INTERRUPT = %10000000
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;CIA_CLR_INTF = %00000000
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;CIA_SET_INTF = %10000000
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CIA_CRA = CIA_BASE + $0e; Control Register A
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;TIMER_STOP = %00000000
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;TIMER_START = %00000001
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;OUTPUT_TO_PB6 = %00000010
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;OUTPUT_PULSE = %00000000
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;OUTPUT_TOGGLE = %00000100
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;CONTINUOUS = %00000000
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;ONE_SHOT = %00001000
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;FORCE_LOAD = %00010000
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;COUNT_PHI2 = %00000000
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;COUNT_CNT = %00100000
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;IOMODE_INPUT = %00000000
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;IOMODE_OUTPUT = %01000000
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;TOD_FREQ_60HZ = %00000000
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;TOD_FREQ_50HZ = %10000000
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;TOD_FREQ_MASK = TOD_FREQ_50HZ
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CIA_CRB = CIA_BASE + $0f; Control Register B
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;TIMER_STOP = %00000000
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;TIMER_START = %00000001
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;OUTPUT_TO_PB7 = %00000010
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;OUTPUT_PULSE = %00000000
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;OUTPUT_TOGGLE = %00000100
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;CONTINUOUS = %00000000
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;ONE_SHOT = %00001000
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;FORCE_LOAD = %00010000
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;COUNT_PHI2 = %00000000
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;COUNT_CNT_POS = %00100000
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;COUNT_TA_UNDF = %01000000
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;COUNT_TA_UFCN = %01100000
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;COUNT_CRB_MASK = COUNT_TA_UFCN
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;TOD_SET_CLOCK = %00000000
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;TOD_SET_ALARM = %10000000
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.endif; !_CIA_INC_
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.endif; !_VIA_INC_
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