acme/ACME_Lib/cbm/c64/cia1.a

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;ACME 0.96.4
!ifdef lib_cbm_c64_cia1_a !eof
lib_cbm_c64_cia1_a = 1
!source <cbm/cia.a> ; chip stuff (same for both cias)
; stuff for cia 1 only:
!addr cia1_base = $dc00
cia1_pra = cia1_base + cia_port_a ; PA0..PA4 are joy port 2 PA6+PA7 select paddle port(s)
cia1_prb = cia1_base + cia_port_b ; PB0..PB4 are joy port 1
; both ports are used for keyboard matrix
cia1_ddra = cia1_base + cia_data_direction_a
cia1_ddrb = cia1_base + cia_data_direction_b
cia1_ta_lo = cia1_base + cia_timer_a_low
cia1_ta_hi = cia1_base + cia_timer_a_high
cia1_tb_lo = cia1_base + cia_timer_b_low
cia1_tb_hi = cia1_base + cia_timer_b_high
cia1_tod10ths = cia1_base + cia_timeofday_10ths
cia1_todsec = cia1_base + cia_timeofday_seconds
cia1_todmin = cia1_base + cia_timeofday_minutes
cia1_todhr = cia1_base + cia_timeofday_hours
cia1_sdr = cia1_base + cia_serial_data
cia1_icr = cia1_base + cia_interrupt_control
cia1_cra = cia1_base + cia_control_a
cia1_crb = cia1_base + cia_control_b
; the interrupt output is connected to CPU's /IRQ input
; in the C128, the shift register is used for the fast serial port (burst mode)