| /* h316_imp.h- BBN ARPAnet IMP/TIP Definitions | |
| Copyright (c) 2013, Robert Armstrong, bob@jfcl.com | |
| Permission is hereby granted, free of charge, to any person obtaining a | |
| copy of this software and associated documentation files (the "Software"), | |
| to deal in the Software without restriction, including without limitation | |
| the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
| and/or sell copies of the Software, and to permit persons to whom the | |
| Software is furnished to do so, subject to the following conditions: | |
| The above copyright notice and this permission notice shall be included in | |
| all copies or substantial portions of the Software. | |
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
| IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
| ROBERT ARMSTRONG BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER | |
| IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
| CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
| Except as contained in this notice, the name of Robert Armstrong shall not be | |
| used in advertising or otherwise to promote the sale, use or other dealings | |
| in this Software without prior written authorization from Robert Armstrong. | |
| 21-May-13 RLA New file. | |
| */ | |
| #ifdef VM_IMPTIP | |
| #ifndef H316_IMP_H_ | |
| #define H316_IMP_H_ 0 | |
| #include "sim_defs.h" | |
| // Common modem and host parameters ... | |
| #define MI_NUM 5 // number of modem interfaces | |
| #define HI_NUM 4 // number of host interfaces | |
| #define MI_MAX_MSG 256 // longest possible modem message (words!) | |
| #define HI_MAX_MSG 256 // longest possible host message (words!) | |
| #define MI_RXPOLL 100 // RX polling delay for UDP messages | |
| #define MI_TXBPS 56000UL // default TX speed (bits per second) | |
| #define HI_POLL_DELAY 1000 // polling delay for messages | |
| // Modem interface, line #1 ... | |
| #define MI1 071 // IO address for modem interface #1 | |
| #define MI1_RX_DMC (DMC1-1+ 1) // DMC channel for modem 1 receive | |
| #define MI1_TX_DMC (DMC1-1+ 6) // DMC channel for modem 1 transmit | |
| #define INT_V_MI1RX (INT_V_EXTD+15) // modem 1 receive interrupt | |
| #define INT_V_MI1TX (INT_V_EXTD+10) // modem 1 transmit interrupt | |
| // Modem interface, line #2 ... | |
| #define MI2 072 // IO address for modem interface #2 | |
| #define MI2_RX_DMC (DMC1-1+ 2) // DMC channel for modem 2 receive | |
| #define MI2_TX_DMC (DMC1-1+ 7) // DMC channel for modem 2 transmit | |
| #define INT_V_MI2RX (INT_V_EXTD+14) // modem 2 receive interrupt | |
| #define INT_V_MI2TX (INT_V_EXTD+ 9) // modem 2 transmit interrupt | |
| // Modem interface, line #3 ... | |
| #define MI3 073 // IO address for modem interface #3 | |
| #define MI3_RX_DMC (DMC1-1+ 3) // DMC channel for modem 3 receive | |
| #define MI3_TX_DMC (DMC1-1+ 8) // DMC channel for modem 3 transmit | |
| #define INT_V_MI3RX (INT_V_EXTD+13) // modem 3 receive interrupt | |
| #define INT_V_MI3TX (INT_V_EXTD+ 8) // modem 3 transmit interrupt | |
| // Modem interface, line #4 ... | |
| #define MI4 074 // IO address for modem interface #4 | |
| #define MI4_RX_DMC (DMC1-1+ 4) // DMC channel for modem 4 receive | |
| #define MI4_TX_DMC (DMC1-1+ 9) // DMC channel for modem 4 transmit | |
| #define INT_V_MI4RX (INT_V_EXTD+12) // modem 4 receive interrupt | |
| #define INT_V_MI4TX (INT_V_EXTD+ 7) // modem 4 transmit interrupt | |
| // Modem interface, line #5 ... | |
| #define MI5 075 // IO address for modem interface #5 | |
| #define MI5_RX_DMC (DMC1-1+ 5) // DMC channel for modem 5 receive | |
| #define MI5_TX_DMC (DMC1-1+10) // DMC channel for modem 5 transmit | |
| #define INT_V_MI5RX (INT_V_EXTD+11) // modem 5 receive interrupt | |
| #define INT_V_MI5TX (INT_V_EXTD+ 6) // modem 5 transmit interrupt | |
| // Host interface, line #1 ... | |
| #define HI1 070 // device address for host interface #1 | |
| #define HI1_RX_DMC (DMC1+13-1) // DMC channel for host 1 receive | |
| #define HI1_TX_DMC (DMC1+11-1) // DMC channel for host 1 transmit | |
| #define INT_V_HI1RX (INT_V_EXTD+ 3) // host 1 receive interrupt | |
| #define INT_V_HI1TX (INT_V_EXTD+ 5) // host 1 transmit interrupt | |
| // Host interface, line #2 ... | |
| #define HI2 060 // device address for host interface #2 | |
| #define HI2_RX_DMC (DMC1-1+14) // DMC channel for host 2 receive | |
| #define HI2_TX_DMC (DMC1-1+12) // DMC channel for host 2 transmit | |
| #define INT_V_HI2RX (INT_V_EXTD+ 2) // host 2 receive interrupt | |
| #define INT_V_HI2TX (INT_V_EXTD+ 4) // host 2 transmit interrupt | |
| // Host interface, line #3 ... | |
| #define HI3 051 // device address for host interface #3 | |
| #define HI3_RX_DMC (DMC1-1+16) // DMC channel for host 3 receive | |
| #define HI3_TX_DMC (DMC1-1+15) // DMC channel for host 3 transmit | |
| #define INT_V_HI3RX (INT_V_EXTD+ 6) // host 3 receive interrupt | |
| #define INT_V_HI3TX (INT_V_EXTD+11) // host 3 transmit interrupt | |
| // Host interface, line #4 ... | |
| #define HI4 050 // device address for host interface #4 | |
| #define HI4_RX_DMC (DMC1-1+10) // DMC channel for host 4 receive | |
| #define HI4_TX_DMC (DMC1-1+ 5) // DMC channel for host 4 transmit | |
| #define INT_V_HI4RX (INT_V_EXTD+ 7) // host 4 receive interrupt | |
| #define INT_V_HI4TX (INT_V_EXTD+12) // host 4 transmit interrupt | |
| // IMP defaults ... | |
| #define IMP 041 // IMP device IO address (41 & 42 actually!) | |
| #define INT_V_TASK (INT_V_EXTD+ 0) // task switch interrupt number | |
| #define IMP_STATION 1 // default station number | |
| // RTC defaults ... | |
| #define RTC 040 // real time clock IO address | |
| #define INT_V_RTC (INT_V_EXTD+ 1) // RTC interrupt number | |
| #define RTC_INTERVAL 20UL // default RTC interval (20us == 50kHz) | |
| #define RTC_QUANTUM 32UL // default RTC quantum (32 ticks) | |
| // WDT defaults ... | |
| #define WDT 026 // watchdog timer IO address | |
| #define WDT_VECTOR 000062 // WDT timeout vector | |
| #define WDT_DELAY 0 // default WDT timeout (in milliseconds) | |
| // Debugging flags ... | |
| // In general, these bits are used as arguments for sim_debug(). Bits that | |
| // begin with "IMP_DBG_xyz" are shared by more than one device (e.g. IMP_DBG_UDP) | |
| // and must have unique bit assignments. Bits prefixed with a device name (e.g. | |
| // "MI_DBG_xyz") apply to that device only. | |
| #define IMP_DBG_WARN 0x0001 // all: print warnings | |
| #define IMP_DBG_IOT 0x0002 // all: trace all program I/O instructions | |
| #define IMP_DBG_UDP 0x0004 // all: trace UDP packets | |
| #define MI_DBG_MSG 0x8000 // modem: decode and print all messages | |
| #define WDT_DBG_LIGHTS 0x8000 // wdt: show status light changes | |
| // Synonyms for DIB and UNIT fields ... | |
| #define rxdmc chan // dib->rxdmc | |
| #define txdmc chan2 // dib->txdmc | |
| #define rxint inum // dib->rxint | |
| #define txint inum2 // dib->txint | |
| // Modem interface data block .... | |
| // One of these is allocated to every modem interface to keep track of the | |
| // current state, COM port, UDP connection , etc... | |
| struct _MIDB { | |
| // Receiver data ... | |
| t_bool rxpending; // TRUE if a read is pending on this line | |
| t_bool rxerror; // TRUE if any modem error detected | |
| uint32 rxtotal; // total number of H316 words received | |
| // Transmitter data ... | |
| uint32 txtotal; // total number of H316 words transmitted | |
| uint32 txdelay; // RTC ticks until TX done interrupt | |
| // Other data ... | |
| t_bool lloop; // line loop back enabled | |
| t_bool iloop; // interface loop back enabled | |
| int32 link; // h316_udp link number | |
| uint32 bps; // simulated line speed or COM port baud rate | |
| }; | |
| typedef struct _MIDB MIDB; | |
| // Host interface data block ... | |
| // One of these is allocated to every host interface ... | |
| struct _HIDB { | |
| // Receiver (HOST -> IMP) data ... | |
| uint32 rxtotal; // total host messages received | |
| // Transmitter (IMP -> HOST) data ... | |
| uint32 txtotal; // total host messages sent | |
| // Other data ... | |
| t_bool lloop; // local loop back enabled | |
| t_bool enabled; // TRUE if the host is enabled | |
| t_bool error; // TRUE for any host error | |
| t_bool ready; // TRUE if the host is ready | |
| t_bool full; // TRUE if the host buffer is full | |
| t_bool eom; // TRUE when end of message is reached | |
| }; | |
| typedef struct _HIDB HIDB; | |
| // I can't believe Bob managed to live without these, but I can't! | |
| #ifndef LOBYTE // these are in winsock.h too! | |
| #define LOBYTE(x) ((uint8) ( (x) & 0xFF)) | |
| #define HIBYTE(x) ((uint8) (((x) >> 8) & 0xFF)) | |
| #define MKWORD(h,l) ((uint16) ( (((h)&0xFF) << 8) | ((l)&0xFF) )) | |
| #define LOWORD(x) ((uint16) ( (x) & 0xFFFF)) | |
| #define HIWORD(x) ((uint16) (((x) >> 16) & 0xFFFF)) | |
| #define MKLONG(h,l) ((uint32) ( (((h)&0xFFFF) << 16) | ((l)&0xFFFF) )) | |
| #endif | |
| // Prototypes for the RTC module ... | |
| // I really hate sharing things like this, but it's the only way to get the | |
| // modem transmitter timing exactly right! | |
| extern uint32 rtc_interval; | |
| extern t_stat mi_tx_service (uint32 quantum); | |
| // Prototypes for UDP modem/host interface emulation routines ... | |
| #define NOLINK (-1) | |
| t_stat udp_create (DEVICE *pdtr, const char *premote, int32 *plink); | |
| t_stat udp_release (DEVICE *dptr, int32 link); | |
| t_stat udp_send (DEVICE *pdtr, int32 link, uint16 *pdata, uint16 count); | |
| t_stat udp_set_link_loopback (DEVICE *dptr, int32 link, t_bool enable_loopback); | |
| int32 udp_receive (DEVICE *dptr, int32 link, uint16 *pdata, uint16 maxbufg); | |
| #endif // #ifndef _H316_IMP_H_ | |
| #endif // #ifdef VM_IMPTIP |