add 'rd-' and 'wr-' 16, 32, and 64 instrs

Author: vytdev

impl.h

@@ -320,4 +320,46 @@ DEF(wr8) {
   vmnext;
 }
 
+DEF(rd16) {
+  rvm_reg_t addr = rgB + imm15s;
+  util_checkaccs(addr, 2);
+  rgA = RVM_DEC16(&mem[addr]);
+  vmnext;
+}
+
+DEF(wr16) {
+  rvm_reg_t addr = rgB + imm15s;
+  util_checkaccs(addr, 2);
+  RVM_ENC16(rgA, &mem[addr]);
+  vmnext;
+}
+
+DEF(rd32) {
+  rvm_reg_t addr = rgB + imm15s;
+  util_checkaccs(addr, 4);
+  rgA = RVM_DEC32(&mem[addr]);
+  vmnext;
+}
+
+DEF(wr32) {
+  rvm_reg_t addr = rgB + imm15s;
+  util_checkaccs(addr, 4);
+  RVM_ENC32(rgA, &mem[addr]);
+  vmnext;
+}
+
+DEF(rd64) {
+  rvm_reg_t addr = rgB + imm15s;
+  util_checkaccs(addr, 8);
+  rgA = RVM_DEC64(&mem[addr]);
+  vmnext;
+}
+
+DEF(wr64) {
+  rvm_reg_t addr = rgB + imm15s;
+  util_checkaccs(addr, 8);
+  RVM_ENC64(rgA, &mem[addr]);
+  vmnext;
+}
+
 #endif /* impl.h */

opcodes.h

@@ -67,7 +67,13 @@ DEF(jge,    45)   /* [J] jump if gt or eq */
 DEF(jae,    46)   /* [J] jump if ab or eq */
 DEF(jle,    47)   /* [J] jump if not-gt */
 DEF(jbe,    48)   /* [J] jump if not-ab */
-DEF(rd8,    49)   /* [I] rgA = mem[rgB + imm15s] */
-DEF(wr8,    50)   /* [I] mem[rgB + imm15s] = rgA */
+DEF(rd8,    49)   /* [I] 1B: rgA = mem[rgB + imm15s] */
+DEF(wr8,    50)   /* [I] 1B: mem[rgB + imm15s] = rgA */
+DEF(rd16,   51)   /* [I] 2B: rgA = mem[rgB + imm15s] */
+DEF(wr16,   52)   /* [I] 2B: mem[rgB + imm15s] = rgA */
+DEF(rd32,   53)   /* [I] 4B: rgA = mem[rgB + imm15s] */
+DEF(wr32,   54)   /* [I] 4B: mem[rgB + imm15s] = rgA */
+DEF(rd64,   55)   /* [I] 8B: rgA = mem[rgB + imm15s] */
+DEF(wr64,   56)   /* [I] 8B: mem[rgB + imm15s] = rgA */
 
 #endif /* opcodes.h */