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81f2d3f683
git-svn-id: https://svn.code.sf.net/p/acme-crossass/code-0/trunk@114 4df02467-bbd4-4a76-a152-e7ce94205b78
28 lines
1.1 KiB
Plaintext
28 lines
1.1 KiB
Plaintext
;ACME 0.96.4
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!ifdef lib_cbm_c64_cia1_a !eof
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lib_cbm_c64_cia1_a = 1
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!source <cbm/cia.a> ; chip stuff (same for both cias)
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; stuff for cia 1 only:
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!addr cia1_base = $dc00
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cia1_pra = cia1_base + cia_port_a ; PA0..PA4 are joy port 2 PA6+PA7 select paddle port(s)
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cia1_prb = cia1_base + cia_port_b ; PB0..PB4 are joy port 1
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; both ports are used for keyboard matrix
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cia1_ddra = cia1_base + cia_data_direction_a
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cia1_ddrb = cia1_base + cia_data_direction_b
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cia1_ta_lo = cia1_base + cia_timer_a_low
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cia1_ta_hi = cia1_base + cia_timer_a_high
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cia1_tb_lo = cia1_base + cia_timer_b_low
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cia1_tb_hi = cia1_base + cia_timer_b_high
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cia1_tod10ths = cia1_base + cia_timeofday_10ths
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cia1_todsec = cia1_base + cia_timeofday_seconds
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cia1_todmin = cia1_base + cia_timeofday_minutes
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cia1_todhr = cia1_base + cia_timeofday_hours
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cia1_sdr = cia1_base + cia_serial_data
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cia1_icr = cia1_base + cia_interrupt_control
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cia1_cra = cia1_base + cia_control_a
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cia1_crb = cia1_base + cia_control_b
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; the interrupt output is connected to CPU's /IRQ input
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; in the C128, the shift register is used for the fast serial port (burst mode)
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