Change processor initial date.HEADmaster

1 files changed, 4 insertions, 6 deletions

diff --git a/cpu/cpu.ml b/cpu/cpu.ml
index 867a979..7b7b580 100644
--- a/cpu/cpu.ml
+++ b/cpu/cpu.ml
@@ -135,16 +135,14 @@ let rl, rh, i, ex, exf, pc =
     let ram_read, save_ram_read = loop 8 in
 
     (* Read instruction low when read is set and instruction high on next tick *)
-    let next_read_ihi, save_next_read_ihi = loop 1 in
-    let read_ihi = reg 1 next_read_ihi in
     let read_ilow = read in
+    let read_ihi = reg 1 read_ilow in
 
     let ra = mux read_ilow ra pc in
-    let ilow = reg 8 (mux read_ilow (zeroes 8) ram_read) in
+    let ilow = reg 8 ram_read in
     let ra = mux read_ihi ra (nadder 16 pc (one 16)) in
-    let ihi = mux read_ihi (zeroes 8) ram_read in
+    let ihi = ram_read in
 
-    let read_ilow = save_next_read_ihi read_ilow in
     (* When execution has just been read, exec is true, and exec is false the rest of the time *)
     let exec = read_ihi in
     (* Keep same instruction in register until new instruction is read *)
@@ -212,7 +210,7 @@ let rl, rh, i, ex, exf, pc =
     let instr_jal = exec ^& eq_c 5 i_i 0b01001 in
     let next_pc = mux instr_jal next_pc (nadder 16 pc (sign_extend 11 16 i_jd)) in
     let instr_jalxx = instr_jal in
-    (* instruction : jr/jalr/jer/jner/jltr/jler/jltru/ljeru *)
+    (* instruction : jr/jalr/jer/jner/jltr/jler/jltru/jleru *)
     let instr_jxxr = exec ^& eq_c 4 (i_i % (1, 4)) 0b0101 in
     let f0 = i_i ** 0 in
     let instr_jr = (not f0) ^& (eq_c 2 i_f 0) in