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https://github.com/dingusdev/dingusppc.git
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49 lines
1.7 KiB
C
49 lines
1.7 KiB
C
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//DingusPPC - Prototype 5bf2
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//Written by divingkatae
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//(c)2018-20 (theweirdo)
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//Please ask for permission
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//if you want to distribute this.
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//(divingkatae#1017 on Discord)
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#ifndef VIACUDA_H_
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#define VIACUDA_H_
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#define VIACUDA_B 0x3016000 /* B-side data */
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#define VIACUDA_A 0x3016200 /* A-side data */
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#define VIACUDA_DIRB 0x3016400 /* B-side direction (1=output) */
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#define VIACUDA_DIRA 0x3016600 /* A-side direction (1=output) */
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#define VIACUDA_T1CL 0x3016800 /* Timer 1 ctr/latch (low 8 bits) */
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#define VIACUDA_T1CH 0x3016A00 /* Timer 1 counter (high 8 bits) */
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#define VIACUDA_T1LL 0x3016C00 /* Timer 1 latch (low 8 bits) */
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#define VIACUDA_T1LH 0x3016E00 /* Timer 1 latch (high 8 bits) */
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#define VIACUDA_T2CL 0x3017000 /* Timer 2 ctr/latch (low 8 bits) */
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#define VIACUDA_T2CH 0x3017200 /* Timer 2 counter (high 8 bits) */
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#define VIACUDA_SR 0x3017400 /* Shift register */
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#define VIACUDA_ACR 0x3017600 /* Auxiliary control register */
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#define VIACUDA_PCR 0x3017800 /* Peripheral control register */
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#define VIACUDA_IFR 0x3017A00 /* Interrupt flag register */
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#define VIACUDA_IER 0x3017C00 /* Interrupt enable register */
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#define VIACUDA_ANH 0x3017E00 /* A-side data, no handshake */
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extern uint32_t via_cuda_address;
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extern uint8_t via_opcode_store_bit;
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extern uint8_t via_write_byte;
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extern uint8_t via_read_byte;
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extern bool via_cuda_confirm;
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extern bool via_cuda_signal_read;
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extern bool via_cuda_signal_write;
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extern unsigned char porta_ca1, porta_ca2;
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extern unsigned char porta_cb1, porta_cb2;
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extern uint32_t via_set_mode;
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extern void via_ifr_update();
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extern void via_t1_update();
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extern void via_cuda_init();
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extern void via_cuda_read();
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extern void via_cuda_write();
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#endif // VIACUDA_H
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