| /* vax_vs.c: DEC Mouse/Tablet (VSXXX) | |
| Copyright (c) 2011-2013, Matt Burke | |
| 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 | |
| THE AUTHOR 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 the author shall not be | |
| used in advertising or otherwise to promote the sale, use or other dealings | |
| in this Software without prior written authorization from the author. | |
| vs VSXXX-nn pointing device | |
| 09-Aug-2013 MB Added definitions for self test report | |
| 11-Jun-2013 MB First version | |
| */ | |
| #if !defined(VAX_620) | |
| #include "vax_defs.h" | |
| #include "sim_video.h" | |
| #define VSXXX_IDLE 0 | |
| #define VSXXX_RECV 1 | |
| #define VSXXX_SEND 2 | |
| #define VSXXX_TEST 3 | |
| #define VSXXX_PROMPT 0 | |
| #define VSXXX_INC 1 | |
| #define VSXXX_REV 0 /* hardware revision */ | |
| /* Report bit definitions */ | |
| #define RPT_SYNC 0x80 /* synchronise */ | |
| #define RPT_TABP 0x40 /* tablet position */ | |
| #define RPT_TEST 0x20 /* self test */ | |
| #define RPT_TAB 0x4 /* tablet device */ | |
| #define RPT_MOU 0x2 /* mouse device */ | |
| #define RPT_V_MFR 4 /* manufacturer location ID */ | |
| #define RPT_REV 0xF /* revision number */ | |
| #define RPT_BC 0x7 /* button code */ | |
| #define RPT_EC 0x7F /* error code */ | |
| /* Debugging Bitmaps */ | |
| #define DBG_SERIAL 0x0001 /* serial port data */ | |
| #define DBG_CMD 0x0002 /* commands */ | |
| int32 vs_state = VSXXX_IDLE; | |
| int32 vs_mode = VSXXX_PROMPT; | |
| int32 vs_bptr = 0; | |
| int32 vs_datalen = 0; | |
| int32 vs_x = 0; /* X-axis motion */ | |
| int32 vs_y = 0; /* Y-axis motion */ | |
| t_bool vs_l = 0; /* Left button state */ | |
| t_bool vs_m = 0; /* Middle button state */ | |
| t_bool vs_r = 0; /* Right button state */ | |
| uint8 vs_buf[10]; | |
| DEVICE vs_dev; | |
| t_stat vs_wr (uint8 c); | |
| t_stat vs_rd (uint8 *c); | |
| t_stat vs_reset (DEVICE *dptr); | |
| void vs_cmd (int32 c); | |
| void vs_sendupd (void); | |
| void vs_poll (void); | |
| /* VS data structures | |
| vs_dev VS device descriptor | |
| vs_unit VS unit list | |
| vs_reg VS register list | |
| vs_mod VS modifier list | |
| vs_debug VS debug list | |
| */ | |
| DEBTAB vs_debug[] = { | |
| {"SERIAL", DBG_SERIAL}, | |
| {"CMD", DBG_CMD}, | |
| {0} | |
| }; | |
| UNIT vs_unit = { UDATA (NULL, 0, 0) }; | |
| REG vs_reg[] = { | |
| { NULL } | |
| }; | |
| MTAB vs_mod[] = { | |
| { 0 } | |
| }; | |
| DEVICE vs_dev = { | |
| "VS", &vs_unit, vs_reg, vs_mod, | |
| 1, DEV_RDX, 20, 1, DEV_RDX, 8, | |
| NULL, NULL, &vs_reset, | |
| NULL, NULL, NULL, | |
| NULL, DEV_DIS | DEV_DEBUG, 0, | |
| vs_debug | |
| }; | |
| t_stat vs_wr (uint8 c) | |
| { | |
| if (vs_state != VSXXX_TEST) { | |
| vs_bptr = 0; | |
| vs_state = VSXXX_IDLE; | |
| vs_datalen = 0; | |
| vs_cmd (c); | |
| } | |
| return SCPE_OK; | |
| } | |
| t_stat vs_rd (uint8 *c) | |
| { | |
| if (vs_state == VSXXX_IDLE) | |
| vs_poll (); | |
| switch (vs_state) { | |
| case VSXXX_IDLE: | |
| *c = 0; | |
| return SCPE_EOF; | |
| case VSXXX_SEND: | |
| case VSXXX_TEST: | |
| *c = vs_buf[vs_bptr++]; | |
| sim_debug (DBG_SERIAL, &vs_dev, "mouse -> vax: 0x%02X\n", *c); | |
| if (vs_bptr == vs_datalen) { | |
| vs_state = VSXXX_IDLE; | |
| } | |
| return SCPE_OK; | |
| } | |
| return SCPE_EOF; | |
| } | |
| void vs_cmd (int32 c) | |
| { | |
| sim_debug (DBG_SERIAL, &vs_dev, "vax -> mouse: %c\n", c); | |
| switch (c) { | |
| case 0x52: /* R */ | |
| sim_debug (DBG_CMD, &vs_dev, "set mode incremental\n", c); | |
| vs_mode = VSXXX_INC; | |
| break; | |
| case 0x44: /* D */ | |
| sim_debug (DBG_CMD, &vs_dev, "set mode prompt\n", c); | |
| vs_mode = VSXXX_PROMPT; | |
| break; | |
| case 0x50: /* P */ | |
| sim_debug (DBG_CMD, &vs_dev, "poll\n", c); | |
| vs_mode = VSXXX_PROMPT; | |
| vs_sendupd (); | |
| break; | |
| case 0x54: /* T */ | |
| sim_debug (DBG_CMD, &vs_dev, "test\n", c); | |
| vs_reset (&vs_dev); | |
| vs_state = VSXXX_TEST; /* send self test report */ | |
| vs_buf[0] = RPT_TEST | RPT_SYNC | (VSXXX_REV & RPT_REV); | |
| vs_buf[1] = (1 << RPT_V_MFR) | RPT_MOU; /* device type, build location */ | |
| vs_buf[2] = 0; /* error code <6:0> (0 = OK) */ | |
| vs_buf[3] = 0; /* button code <2:0> (0 = OK) */ | |
| vs_bptr = 0; | |
| vs_state = VSXXX_SEND; | |
| vs_datalen = 4; | |
| break; | |
| } | |
| } | |
| t_stat vs_reset (DEVICE *dptr) | |
| { | |
| vs_bptr = 0; | |
| vs_state = VSXXX_IDLE; | |
| vs_datalen = 0; | |
| vs_mode = VSXXX_PROMPT; | |
| return SCPE_OK; | |
| } | |
| void vs_sendupd (void) | |
| { | |
| vs_buf[0] = RPT_SYNC; | |
| vs_buf[0] |= (((vs_x > 0) ? 1 : 0) << 4); /* sign bits */ | |
| vs_buf[0] |= (((vs_y >= 0) ? 0 : 1) << 3); | |
| vs_buf[0] |= (((vs_l) ? 1 : 0) << 2); /* button states */ | |
| vs_buf[0] |= (((vs_m) ? 1 : 0) << 1); | |
| vs_buf[0] |= ((vs_r) ? 1 : 0); | |
| vs_buf[1] = (abs(vs_x) > 0x3F) ? 0x3F : abs(vs_x); /* motion (limited to 63 pixels in any direction) */ | |
| if (vs_x > 0) | |
| vs_x -= vs_buf[1]; | |
| else | |
| vs_x += vs_buf[1]; | |
| vs_buf[2] = (abs(vs_y) > 0x3F) ? 0x3F : abs(vs_y); | |
| if (vs_y > 0) | |
| vs_y -= vs_buf[2]; | |
| else | |
| vs_y += vs_buf[2]; | |
| vs_bptr = 0; | |
| vs_state = VSXXX_SEND; | |
| vs_datalen = 3; | |
| sim_debug (DBG_SERIAL, &vs_dev, "mouse motion queued for delivery: Motion:(%s%d,%s%d), Buttons:(%s,%s,%s) Remnant skipped:(%d,%d)\n", | |
| (vs_buf[0]&0x10) ? "s" : "", vs_buf[1], (vs_buf[0]&0x08) ? "s" : "", vs_buf[2], (vs_buf[0]&0x04) ? "L" : "l", (vs_buf[0]&0x02) ? "M" : "m", (vs_buf[0]&0x01) ? "R" : "r", vs_x, vs_y); | |
| vs_x = vs_y = 0; | |
| } | |
| void vs_poll (void) | |
| { | |
| SIM_MOUSE_EVENT ev; | |
| if (vid_poll_mouse (&ev) != SCPE_OK) | |
| return; | |
| if (vs_state == VSXXX_IDLE) { | |
| if ((ev.x_rel == 0) && (ev.y_rel == 0) && | |
| (vs_l == ev.b1_state) && (vs_m == ev.b2_state) && (vs_r == ev.b3_state)) | |
| return; | |
| vs_x = ev.x_rel; | |
| vs_y = ev.y_rel; | |
| vs_l = ev.b1_state; | |
| vs_m = ev.b2_state; | |
| vs_r = ev.b3_state; | |
| if (vs_mode == VSXXX_INC) | |
| vs_sendupd (); | |
| } | |
| } | |
| #endif /* !VAX_620 */ |