130 lines
3.0 KiB
C
130 lines
3.0 KiB
C
#ifndef __V2ANALOG_H
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#define __V2ANALOG_H
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#define CARD_REGISTER(n) (*(volatile unsigned char *)(0xC080 | (n) | (cardslot << 4)))
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#define VGA_MONOMODE CARD_REGISTER(0x1)
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#define VGA_TBCOLOR CARD_REGISTER(0x2)
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#define VGA_BORDER CARD_REGISTER(0x3)
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#define CF_PTRL *((volatile unsigned char *)(0xC0EC | (cardslot << 8)))
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#define CF_PTRH *((volatile unsigned char *)(0xC0ED | (cardslot << 8)))
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#define CF_DATR *((volatile unsigned char *)(0xC0EE | (cardslot << 8)))
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#define CF_DATW *((volatile unsigned char *)(0xC0EF | (cardslot << 8)))
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#define CMD_BUFFER ((volatile unsigned char *)(0xC0F0 | (cardslot << 8)))
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#define RPY_BUFFER ((volatile unsigned char *)(0xC0F8 | (cardslot << 8)))
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#define REPLY_OK 0x00
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#define REPLY_BUSY 0xBB
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#define REPLY_EOF 0x01
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#define REPLY_NOFILE 0x02
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#define REPLY_EPARAM 0x03
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#define REPLY_ECMD 0x04
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typedef enum {
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MODE_REBOOT = 0,
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MODE_DIAG,
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MODE_FS,
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MODE_VGACARD,
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MODE_APPLICARD,
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MODE_SERIAL,
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MODE_PARALLEL,
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MODE_MIDI,
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MODE_SNESMAX,
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MODE_ETHERNET
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} v2mode_t;
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typedef enum {
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SERIAL_LOOP = 0,
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SERIAL_USB,
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SERIAL_WIFI,
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SERIAL_PRINTER,
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} serialmux_t;
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typedef enum {
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USB_HOST_CDC,
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USB_GUEST_CDC,
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USB_GUEST_MIDI,
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} usbmux_t;
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typedef enum {
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WIFI_CLIENT = 0,
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WIFI_AP,
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} wifimode_t;
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typedef enum {
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MACHINE_AUTO = 0,
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MACHINE_APPLE_II = 1,
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MACHINE_APPLE_IIE = 2,
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MACHINE_APPLE_IIGS = 3,
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MACHINE_PRAVETZ = 4,
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MACHINE_BASIS = 5,
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MACHINE_MAXVALUE = 6
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} compat_t;
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void hexprint(volatile uint8_t *buf, int size) {
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while(size--) {
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cprintf("%2X ", *buf++);
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}
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}
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int cfg_cmd3(char *cmd, uint16_t param0, uint16_t param1, uint16_t param2) {
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uint16_t timeout = 0x1fff;
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#if 0
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gotoy(16); gotox(8);
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cputc(cmd[0]);
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cputc(cmd[1]);
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cprintf(" $%04X $%04X $%04X", param0, param1, param2);
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#endif
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RPY_BUFFER[7] = 0xFF;
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CMD_BUFFER[7] = (param2 >> 8) & 0xFF;
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RPY_BUFFER[6] = 0xFF;
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CMD_BUFFER[6] = param2 & 0xFF;
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RPY_BUFFER[5] = 0xFF;
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CMD_BUFFER[5] = (param1 >> 8) & 0xFF;
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RPY_BUFFER[4] = 0xFF;
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CMD_BUFFER[4] = param1 & 0xFF;
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RPY_BUFFER[3] = 0xFF;
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CMD_BUFFER[3] = (param0 >> 8) & 0xFF;
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RPY_BUFFER[2] = 0xFF;
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CMD_BUFFER[2] = param0 & 0xFF;
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RPY_BUFFER[1] = 0xFF;
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CMD_BUFFER[1] = cmd[1];
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RPY_BUFFER[0] = 0xFF;
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CMD_BUFFER[0] = cmd[0];
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// Wait for the command to start processing
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while(RPY_BUFFER[0] == 0xFF) {
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if(timeout > 0) timeout--;
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}
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// Wait while the command is processing
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while(RPY_BUFFER[0] == REPLY_BUSY) {
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if(timeout > 0) timeout--;
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}
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#if 0
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gotoy(18); gotox(8);
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hexprint(RPY_BUFFER, 8);
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#endif
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return (timeout == 0) || (RPY_BUFFER[0] != REPLY_OK);
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}
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int cfg_cmd2(char *cmd, uint16_t param0, uint16_t param1) {
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return cfg_cmd3(cmd, param0, param1, 0);
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}
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int cfg_cmd1(char *cmd, uint16_t param0) {
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return cfg_cmd3(cmd, param0, 0, 0);
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}
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int cfg_cmd0(char *cmd) {
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return cfg_cmd3(cmd, 0, 0, 0);
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}
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#endif /* __V2ANALOG_H */
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