Add bootrom

[fpgaboy.git] / opcodes

diff --git a/opcodes b/opcodes
index 6a54b02f6794abaf3082b92e9a0a29809ad51043..09f68fbce78aa2756211461a9e610ad3ede999ba 100644 (file)
--- a/opcodes
+++ b/opcodes
@@ -7,14 +7,10 @@ imm16 = 16-bit immediate value
 8m8   = 8-bit value at the 8-bit address (the 16-bit equivalent is 0xFF00 + addr)
 
 bits         insn                 notes
-0000 0010    LD    (BC), A
 0000 1000    LD    16m16,SP      loads SP
 0000 1001    ADD   HL,   BC
-0000 1010    LD    A,    (BC) 
 0001 0000    STOP
-0001 0010    LD    (DE), A
 0001 1001    ADD   HL,   DE
-0001 1010    LD    A,    (DE)
 0010 1001    ADD   HL,   HL
 0011 1001    ADD   HL,   SP
 0111 0110    HALT                 Danger! Helvetica!
@@ -99,15 +95,6 @@ bits                   insn               notes
 1100 1011 0011 0110    SWAP  (HL)
 1100 1011 0011 0111    SWAP  A
 
-1100 1011 0100 0000    BIT   imm3, B      test bit specified by imm3
-1100 1011 0100 0001    BIT   imm3, C
-1100 1011 0100 0010    BIT   imm3, D
-1100 1011 0100 0011    BIT   imm3, E
-1100 1011 0100 0100    BIT   imm3, H
-1100 1011 0100 0101    BIT   imm3, L
-1100 1011 0100 0110    BIT   imm3, (HL)
-1100 1011 0100 0111    BIT   imm3, A
-
 1100 1011 1000 0000    RES   imm3, B      reset bit specified by imm3
 1100 1011 1000 0001    RES   imm3, C
 1100 1011 1000 0010    RES   imm3, D