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vt100-games/2048/uz80as/dp2200.c

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/* ===========================================================================
* uz80as, an assembler for the Zilog Z80 and several other microprocessors.
*
* Datapoint 2200.
* ===========================================================================
*/
/*
* Datapoint 2200 Version I, 2K to 8K mem (program counter 13 bits).
* Datapoint 2200 Version II, 2K to 16K mem (protram counter 14 bits).
*/
#include "pp.h"
#include "err.h"
#include "options.h"
#include "uz80as.h"
#include <stddef.h>
/* pat:
* a: expr
* b: ADA,ADB,ADC,ADD,ADH,ADL,ADM,
* ACA,ACB,ACC,ACD,ACH,ACL,ACM,
* SUA,SUB,SUC,SUD,SUH,SUL,SUM,
* SBA,SBB,SBC,SBD,SBH,SBL,SBM,
* NDA,NDB,NDC,NDD,NDH,NDL,NDM,
* XRA,XRB,XRC,XRD,XRH,XRL,XRM,
* ORA,ORB,ORC,ORD,ORH,ORL,ORM,
* CPA,CPB,CPC,CPD,CPH,CPL,CPM
* c: NOP,LAB,LAC,LAD,LAE,LAH,LAL,LAM,
* LBA,LBC,LBD,LBE,LBH,LBL,LBM,
* LCA,LCB,LCD,LCE,LCH,LCL,LCM,
* LDA,LDB,LDC,LDE,LDH,LDL,LDM,
* LEA,LEB,LEC,LED,LEH,LEL,LEM,
* LHA,LHB,LHC,LHD,LHE,LHL,LHM,
* LLA,LLB,LLC,LLD,LLE,LLH,LLM,
* LMA,LMB,LMC,LMD,LME,LMH,LML,HALT
* d: ADR,STATUS,DATA,WRITE,COM1,COM2,COM3,COM4
* BEEP,CLICK,DECK1,DECK2,
* RBK,WBK,BSP,SF,SB,REWND,TSTOP
* e: RFC,RFS,RTC,RTS,RFZ,RFP,RTZ,RTP
* f: JFC,JFZ,JFS,JFP,JTC,JTZ,JTS,JTP
* g: AD,SU,ND,OR,AC,SB,XR,CP
* h: LA,LB,LC,LD,LE,LH,LL
* i: CFC,CFZ,CFS,CFP,CTC,CTZ,CTS,CTP
*
* gen:
* .: output lastbyte
* b: (op << 3) | lastbyte
* c: op | lastbyte
* d: lastbyte = op as 8 bit value
* e: output op as word (no '.' should follow)
* f: (op << 1) + lastbyte
* g: (op << 4) | lastbyte
*/
const struct matchtab s_matchtab_dp2200[] = {
{ "SLC", "02.", 3, 0 },
{ "SRC", "0A.", 3, 0 },
{ "RETURN", "07.", 3, 0 },
{ "INPUT", "41.", 3, 0 },
{ "b", "80c0.", 3, 0 },
{ "c", "C0c0.", 3, 0 },
{ "EX d", "51f0.", 3, 0 },
{ "e", "03b0.", 3, 0 },
{ "g a", "04b0.d1.", 3, 0, "e8" },
{ "h a", "06b0.d1.", 3, 0, "e8"},
{ "f a", "40b0.e1", 3, 0 },
{ "i a", "42b0.e1", 3, 0 },
{ "JMP a", "44.e0", 3, 0 },
{ "CALL a", "46.e0", 3, 0 },
/* version II */
{ "BETA", "10.", 2, 0 },
{ "DI", "20.", 2, 0 },
{ "POP", "30.", 2, 0 },
{ "ALPHA", "18.", 2, 0 },
{ "EI", "28.", 2, 0 },
{ "PUSH", "38.", 2, 0 },
{ NULL, NULL },
};
static const char *const bval[] = {
"ADA", "ADB", "ADC", "ADD", "ADE", "ADH", "ADL", "ADM",
"ACA", "ACB", "ACC", "ACD", "ACE", "ACH", "ACL", "ACM",
"SUA", "SUB", "SUC", "SUD", "SUE", "SUH", "SUL", "SUM",
"SBA", "SBB", "SBC", "SBD", "SBE", "SBH", "SBL", "SBM",
"NDA", "NDB", "NDC", "NDD", "NDE", "NDH", "NDL", "NDM",
"XRA", "XRB", "XRC", "XRD", "XRE", "XRH", "XRL", "XRM",
"ORA", "ORB", "ORC", "ORD", "ORE", "ORH", "ORL", "ORM",
"CPA", "CPB", "CPC", "CPD", "CPE", "CPH", "CPL", "CPM",
NULL };
static const char *const cval[] = {
"NOP", "LAB", "LAC", "LAD", "LAE", "LAH", "LAL", "LAM",
"LBA", "", "LBC", "LBD", "LBE", "LBH", "LBL", "LBM",
"LCA", "LCB", "", "LCD", "LCE", "LCH", "LCL", "LCM",
"LDA", "LDB", "LDC", "", "LDE", "LDH", "LDL", "LDM",
"LEA", "LEB", "LEC", "LED", "", "LEH", "LEL", "LEM",
"LHA", "LHB", "LHC", "LHD", "LHE", "", "LHL", "LHM",
"LLA", "LLB", "LLC", "LLD", "LLE", "LLH", "", "LLM",
"LMA", "LMB", "LMC", "LMD", "LME", "LMH", "LML", "HALT",
NULL };
static const char *const dval[] = {
"ADR", "STATUS", "DATA", "WRITE", "COM1", "COM2", "COM3", "COM4",
"", "", "", "", "BEEP", "CLICK", "DECK1", "DECK2",
"RBK", "WBK", "", "BSP", "SF", "SB", "REWND", "TSTOP",
NULL };
static const char *const eval[] = { "RFC", "RFZ", "RFS", "RFP",
"RTC", "RTZ", "RTS", "RTP",
NULL };
static const char *const fval[] = { "JFC", "JFZ", "JFS", "JFP",
"JTC", "JTZ", "JTS", "JTP",
NULL };
static const char *const gval[] = { "AD", "AC", "SU", "SB",
"ND", "XR", "OR", "CP",
NULL };
static const char *const hval[] = { "LA", "LB", "LC", "LD",
"LE", "LH", "LL",
NULL };
static const char *const ival[] = { "CFC", "CFZ", "CFS", "CFP",
"CTC", "CTZ", "CTS", "CTP",
NULL };
static const char *const *const valtab[] = {
bval, cval, dval, eval, fval,
gval, hval, ival
};
static int match_dp2200(char c, const char *p, const char **q)
{
int v;
if (c <= 'i') {
v = mreg(p, valtab[(int) (c - 'b')], q);
} else {
v = -1;
}
return v;
}
static int gen_dp2200(int *eb, char p, const int *vs, int i, int savepc)
{
int b;
b = *eb;
switch (p) {
case 'f': b += (vs[i] << 1); break;
case 'g': b |= (vs[i] << 4); break;
default:
return -1;
}
*eb = b;
return 0;
}
static int s_pat_char = 'b';
static int s_pat_index;
static void pat_char_rewind_dp2200(int c)
{
s_pat_char = c;
s_pat_index = 0;
};
static const char *pat_next_str_dp2200(void)
{
const char *s;
if (s_pat_char >= 'b' && s_pat_char <= 'n') {
s = valtab[(int) (s_pat_char - 'b')][s_pat_index];
if (s != NULL) {
s_pat_index++;
}
} else {
s = NULL;
}
return s;
};
const struct target s_target_dp2200 = {
.id = "dp2200",
.descr = "Datapoint 2200 Version I",
.matcht = s_matchtab_dp2200,
.matchf = match_dp2200,
.genf = gen_dp2200,
.pat_char_rewind = pat_char_rewind_dp2200,
.pat_next_str = pat_next_str_dp2200,
.mask = 1
};
const struct target s_target_dp2200ii = {
.id = "dp2200ii",
.descr = "Datapoint 2200 Version II",
.matcht = s_matchtab_dp2200,
.matchf = match_dp2200,
.genf = gen_dp2200,
.pat_char_rewind = pat_char_rewind_dp2200,
.pat_next_str = pat_next_str_dp2200,
.mask = 2
};