| /* | |
| * $Id: vtmacs.h,v 1.3 2004/01/24 20:54:54 phil Exp - revised by DAG $ | |
| * macros for coding a VT11/VS60 display file (instructions and data) | |
| * for standalone use of vt11.c (not embedded in PDP-11 simulator) | |
| * Douglas A. Gwyn <gwyn@arl.army.mil> | |
| * September 03, 2004 | |
| * | |
| * XXX -- assumes ASCII host character set | |
| */ | |
| /* helper macros (not for use outside this header): */ | |
| #define SGN_(x) ((x) < 0) | |
| #define MAG_(x) ((x) >= 0 ? (x) : -(x)) /* -0 not expressible directly in C */ | |
| #if 0 /* manual seems to say this; wrong! */ | |
| #define JDL_(x) ((SGN_(raddr) << 8) | MAG_(raddr)) | |
| #else /* sign extend, 9-bit twos complement */ | |
| #define JDL_(x) ((x) >= 0 ? (x) : ((~(unsigned)-(x))+1) & 0777) | |
| #endif | |
| /* control instructions: */ | |
| /* load status register A: */ | |
| #define LSRA(stop,stop_intr,lp_hit_chg,ital,refresh,menu) \ | |
| 0170000 | stop | stop_intr | lp_hit_chg | ital | refresh | menu | |
| /* display stop: */ | |
| #define ST_SAME 00000 /* don't stop display */ | |
| #define ST_STOP 02000 /* stop display */ | |
| /* stop interrupt: */ | |
| #define SI_SAME 00000 /* no change */ | |
| #define SI_INHIBIT 01000 /* inhibit interrupt on stop */ | |
| #define SI_GENERATE 01400 /* generate interrupt on stop */ | |
| /* light pen hit intensify (bright-down on VS60): */ | |
| #define LI_SAME 0000 /* no change */ | |
| #define LI_INTENSIFY 0200 /* enable intensify on hit (VT11) */ | |
| #define LI_BRIGHTDOWN 0200 /* enable bright down on hit (VS60) */ | |
| #define LI_NOINTENSIFY 0300 /* inhibit intensify on hit (VT11) */ | |
| #define LI_NOBRIGHTDOWN 0300 /* inhibit bright down on hit (VS60) */ | |
| /* italic font: */ | |
| #define IT_SAME 000 /* no change */ | |
| #define IT_NORMAL 040 /* normal font */ | |
| #define IT_ITALIC 060 /* italic font */ | |
| /* refresh rate: */ | |
| #define RF_UNSYNC 000 /* unsynchronized */ | |
| #define RF_SAME 000 /* (happens to work like that) */ | |
| #define RF_LINE 004 /* sync with line (VT11) */ | |
| #define RF_30 004 /* 30 frames/sec (VS60) */ | |
| #define RF_40 010 /* 40 frames/sec (VS60) */ | |
| #define RF_EXT 014 /* external sync (VS60) */ | |
| /* menu/main area (VS60): */ | |
| #define MN_SAME 0 /* no change */ | |
| #define MN_MAIN 2 /* major screen area */ | |
| #define MN_MENU 3 /* menu area */ | |
| /* load status register B: */ | |
| #define LSRB(color,set_step,step) \ | |
| 0174000 | color | set_step | (step) | |
| /* color select (VS60): */ | |
| #define CL_SAME 00000 /* no change */ | |
| #define CL_GREEN 01000 /* green */ | |
| #define CL_YELLOW 01200 /* yellow */ | |
| #define CL_ORANGE 01400 /* orange */ | |
| #define CL_RED 01600 /* red */ | |
| /* graphplot increment register change enable: */ | |
| #define SS_SAME 0000 /* no change (step value ignored) */ | |
| #define SS_CHANGE 0100 /* write step value into register */ | |
| /* load status register BB (VS60): */ | |
| #define LSRBB(z_data,edge_intr,depth_cue,char_esc) \ | |
| 0176000 | z_data | edge_intr | depth_cue | char_esc | |
| /* file Z data: */ | |
| #define ZD_SAME 000 /* no change */ | |
| #define ZD_NO 010 /* d.file does not contain Z coords. */ | |
| #define ZD_YES 014 /* d.file contains Z coordinates */ | |
| /* edge interrupts enable: */ | |
| #define ED_SAME 000 /* no change */ | |
| #define ED_DIS 040 /* disable intr. on edge transition */ | |
| #define ED_ENA 060 /* enable intr. on edge transition */ | |
| /* depth cue processing: */ | |
| #define DQ_SAME 0000 /* no change */ | |
| #define DQ_OFF 0200 /* disable depth cueing (Z intensity) */ | |
| #define DQ_ON 0300 /* enable depth cueing (Z intensity) */ | |
| /* escape on terminating character: */ | |
| #define ES_SAME 0 /* no change */ | |
| #define ES_NO 2 /* disable POPR on terminating char. */ | |
| #define ES_YES 3 /* enable POPR on terminating char. */ | |
| /* load status register C (VS60): */ | |
| #define LSRC(rotate,cs_change,cscale,vs_change,vscale) \ | |
| 0154000 | rotate | cs_change | ((cscale)<<5) | \ | |
| vs_change | (vscale) | |
| /* character rotation: */ | |
| #define RO_SAME 00000 /* no change */ | |
| #define RO_HORIZONTAL 01000 /* no text rotation */ | |
| #define RO_VERTICAL 01400 /* rotate text 90 degrees CCW */ | |
| /* character scale change enable: */ | |
| #define CS_SAME 0000 /* no change (cscale value ignored) */ | |
| #define CS_CHANGE 0200 /* set character scale */ | |
| /* vector scale change enable: */ | |
| #define VS_SAME 000 /* no change (vscale value ignored) */ | |
| #define VS_CHANGE 020 /* set vector scale */ | |
| /* load scope selection register (VS60): */ | |
| #define LSSR(console,disp,lp_intr,sw_intr) \ | |
| 0164000 | console | disp | lp_intr | sw_intr | |
| /* console to which this instruction applies: */ | |
| #define CN_0 0000 /* console # 0 */ | |
| #define CN_1 0400 /* console # 1 */ | |
| /* display enable: */ | |
| #define DS_SAME 0000 /* no change */ | |
| #define DS_DIS 0200 /* disable display (blank CRT) */ | |
| #define DS_ENA 0300 /* enable display (use CRT) */ | |
| /* light-pen hit interrupt enable: */ | |
| #define LH_SAME 0000 /* no change */ | |
| #define LH_DIS 0040 /* light-pen hit interrupt disabled */ | |
| #define LH_ENA 0060 /* light-pen hit interrupt enabled */ | |
| /* tip-switch transition interrupt enable: */ | |
| #define SW_SAME 0000 /* no change */ | |
| #define SW_DIS 0010 /* tip-switch interrupt disabled */ | |
| #define SW_ENA 0014 /* tip-switch hit interrupt enabled */ | |
| /* load name register (VS60): */ | |
| #define LNR(name) \ | |
| 0150000 | (name) | |
| /* set graphic mode: */ | |
| #define SGM(mode,intens,lp_intr,blink,line_type) \ | |
| 0100000 | mode | intens | lp_intr | blink | line_type | |
| /* graphic mode: */ | |
| #define GM_CHAR 000000 /* character */ | |
| #define GM_SVECT 004000 /* short vector */ | |
| #define GM_LVECT 010000 /* long vector */ | |
| #define GM_APOINT 014000 /* absolute point, or offset */ | |
| #define GM_GRAPHX 020000 /* graphplot X, or basic long vector */ | |
| #define GM_GRAPHY 024000 /* graphplot Y, or basic long vector */ | |
| #define GM_RPOINT 030000 /* relative point */ | |
| #define GM_BSVECT 034000 /* basic short vector */ | |
| #define GM_ARC 040000 /* circle/arc */ | |
| #define GM_AVECT 044000 /* absolute vector */ | |
| /* intensity: */ | |
| #define IN_SAME 00000 /* no change */ | |
| #define IN_0 02000 /* intensity level 0 (dimmest) */ | |
| #define IN_1 02200 /* intensity level 1 */ | |
| #define IN_2 02400 /* intensity level 2 */ | |
| #define IN_3 02600 /* intensity level 3 */ | |
| #define IN_4 03000 /* intensity level 4 */ | |
| #define IN_5 03200 /* intensity level 5 */ | |
| #define IN_6 03400 /* intensity level 6 */ | |
| #define IN_7 03600 /* intensity level 7 (brightest) */ | |
| /* light pen interrupt: */ | |
| #define LP_SAME 0000 /* no change */ | |
| #define LP_DIS 0100 /* light-pen hit interrupt disabled */ | |
| #define LP_ENA 0140 /* light-pen hit interrupt enabled */ | |
| /* blink: */ | |
| #define BL_SAME 000 /* no change */ | |
| #define BL_OFF 020 /* blink off */ | |
| #define BL_ON 030 /* blink on */ | |
| /* line type: */ | |
| #define LT_SAME 00 /* no change */ | |
| #define LT_SOLID 04 /* solid */ | |
| #define LT_LDASH 05 /* long dash */ | |
| #define LT_SDASH 06 /* short dash */ | |
| #define LT_DDASH 07 /* dot dash */ | |
| /* display jump absolute: */ | |
| #define DJMP_ABS(addr) \ | |
| 0160000, \ | |
| (addr) & ~1 | |
| /* display jump relative (VS60) [raddr in words]: */ | |
| #define DJMP_REL(raddr) \ | |
| 0161000 | JDL_(raddr) | |
| /* display jump to subroutine absolute (VS60): */ | |
| #define DJSR_ABS(addr) \ | |
| 0162000, \ | |
| (addr) & ~1 | |
| /* display jump to subroutine relative (VS60) [raddr in words]: */ | |
| #define DJSR_REL(raddr) \ | |
| 0163000 | JDL_(raddr) | |
| /* display no-op: */ | |
| #define DNOP \ | |
| 0164000 | |
| /* display pop, no restore (VS60): */ | |
| #define DPOP_NR \ | |
| 0165000 | |
| /* display pop, restore (VS60): */ | |
| #define DPOP_R \ | |
| 0165000 | |
| /* display stop: */ | |
| #define DSTOP LSRA(ST_STOP,SI_SAME,LI_SAME,IT_SAME,RF_UNSYNC,MN_SAME) | |
| /* graphic data: */ | |
| /* intensify enable (common to all modes exept CHAR and OFFSET): */ | |
| #define I_OFF 000000 /* beam off */ | |
| #define I_ON 040000 /* beam on */ | |
| /* Note: when VS60 "file Z data" is enabled, | |
| use the *3() macros instead of the corresponding normal ones. */ | |
| /* character data: */ | |
| #define CHAR(c1,c2) \ | |
| ((c2) << 8) | (c1) /* 7-bit ASCII assumed */ | |
| /* short vector data: */ | |
| #define SVECT(i,dx,dy) \ | |
| i | (SGN_(dx) << 13) | (MAG_(dx) << 7) | (SGN_(dy) << 6) | MAG_(dy) | |
| #define SVECT3(i,dx,dy,dz) \ | |
| i | (SGN_(dx) << 13) | (MAG_(dx) << 7) | (SGN_(dy) << 6) | MAG_(dy), \ | |
| (SGN_(dz) << 13) | (MAG_(dz) << 2) | |
| /* long vector data: */ | |
| #define LVECT(i,dx,dy) \ | |
| i | (SGN_(dx) << 13) | MAG_(dx), \ | |
| (SGN_(dy) << 13) | MAG_(dy) | |
| #define LVECT3(i,dx,dy,dz) \ | |
| i | (SGN_(dx) << 13) | MAG_(dx), \ | |
| (SGN_(dy) << 13) | MAG_(dy), \ | |
| (SGN_(dz) << 13) | (MAG_(dz) << 2) | |
| /* rotation data (VS60, probably unimplemented): */ | |
| #define ROTATE(i,a,b) \ | |
| i | (SGN_(a) << 13) | 010000 | MAG_(a), \ | |
| (SGN_(b) << 13) | MAG_(b) | |
| #define ROTATE3(i,a,b,c) \ | |
| i | (SGN_(a) << 13) | 010000 | MAG_(a), \ | |
| (SGN_(b) << 13) | MAG_(b), \ | |
| (SGN_(c) << 13) | (MAG_(c) << 2) | |
| /* absolute point data: */ | |
| #define APOINT(i,x,y) \ | |
| i | (SGN_(x) << 13) | MAG_(x), \ | |
| (SGN_(y) << 13) | MAG_(y) | |
| #define APOINT3(i,x,y,z) \ | |
| i | (SGN_(x) << 13) | MAG_(x), \ | |
| (SGN_(y) << 13) | MAG_(y), \ | |
| (SGN_(z) << 13) | (MAG_(z) << 2) | |
| /* offset data (VS60): */ | |
| #define OFFSET(x,y) \ | |
| (SGN_(x) << 13) | 010000 | MAG_(x), \ | |
| (SGN_(y) << 13) | 010000 | MAG_(y) | |
| #define OFFSET3(x,y,z) \ | |
| (SGN_(x) << 13) | 010000 | MAG_(x), \ | |
| (SGN_(y) << 13) | 010000 | MAG_(y), \ | |
| (SGN_(z) << 13) | 010000 | (MAG_(z) << 2) | |
| /* graphplot X data: */ | |
| #define GRAPHX(i,x) \ | |
| i | (x) | |
| /* graphplot Y data: */ | |
| #define GRAPHY(i,y) \ | |
| i | (y) | |
| /* basic long vector data (VS60): */ | |
| #define BLVECT(i,dir,len) \ | |
| i | ((dir) << 11) | 02000 | (len) | |
| /* relative point data: */ | |
| #define RPOINT(i,dx,dy) \ | |
| i | (SGN_(dx) << 13) | (MAG_(dx) << 7) | (SGN_(dy) << 6) | MAG_(dy) | |
| #define RPOINT3(i,dx,dy,dz) \ | |
| i | (SGN_(dx) << 13) | (MAG_(dx) << 7) | (SGN_(dy) << 6) | MAG_(dy), \ | |
| (SGN_(dz) << 13) | (MAG_(dz) << 2) | |
| /* basic short vector data (VS60): */ | |
| #define BSVECT(i,dir1,len1,dir2,len2) \ | |
| i | ((dir2) << 11) | ((len2) << 7) | ((dir1) << 4) | (len1) | |
| /* circle/arc data (VS60, option): */ | |
| #define ARC(i,dcx,dcy,dex,dey) \ | |
| i | (SGN_(dcx) << 13) | MAG_(dcx), \ | |
| (SGN_(dcy) << 13) | MAG_(dcy), \ | |
| (SGN_(dex) << 13) | MAG_(dex), \ | |
| (SGN_(dey) << 13) | MAG_(dey) | |
| #define ARC3(i,dcx,dcy,cz,dex,dey,ez) \ | |
| i | (SGN_(dcx) << 13) | MAG_(dcx), \ | |
| (SGN_(dcy) << 13) | MAG_(dcy), \ | |
| (SGN_(cz) << 13) | (MAG_(cz) << 2), \ | |
| (SGN_(dex) << 13) | MAG_(dex), \ | |
| (SGN_(dey) << 13) | MAG_(dey), \ | |
| (SGN_(ez) << 13) | (MAG_(ez) << 2) | |
| /* absolute vector data (VS60): */ | |
| #define AVECT(i,x,y) \ | |
| i | (SGN_(x) << 13) | MAG_(x), \ | |
| (SGN_(y) << 13) | MAG_(y) | |
| #define AVECT3(i,x,y,z) \ | |
| i | (SGN_(x) << 13) | MAG_(x), \ | |
| (SGN_(y) << 13) | MAG_(y), \ | |
| (SGN_(z) << 13) | (MAG_(z) << 2) |