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small Z80 additions

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FeralChild64 committed 2020-12-19 23:44:44 +01:00
1 parent d33a429876
commit 9410ab9aed
4 files changed
+92 -34
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src/zvm_m65/zvm_core.s
+3 -12
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@@ -39,7 +39,8 @@ ZVM_next: ; fetch and execute next opcode
; CPU main loop
jsr (VEC_fetch_opcode)
inc REG_R06
jsr (VEC_fetch_value)
asl
bcs @1
@@ -86,12 +87,6 @@ ZVM_next: ; fetch and execute next opcode
@@ -111,18 +106,14 @@ Z80_instr_DD_CB: ; #DDCB
Z80_instr_FD_CB: ; #FDCB
Z80_instr_01: ; LD BC,nn
Z80_instr_02: ; LD (BC),A
Z80_instr_07: ; RLCA
Z80_instr_09: ; ADD HL,BC
Z80_instr_0A: ; LD A,(BC)
Z80_instr_0F: ; RRCA
Z80_instr_10: ; DJNZ e
Z80_instr_11: ; LD DE,nn
Z80_instr_12: ; LD (DE),A
Z80_instr_17: ; RLA
Z80_instr_18: ; JR e
Z80_instr_19: ; ADD HL,DE
Z80_instr_1A: ; LD A,(DE)
Z80_instr_1F: ; RRA
Z80_instr_1A: ; LD A,(DE)
Z80_instr_20: ; JR NZ,e
Z80_instr_21: ; LD HL,nn
Z80_instr_22: ; LD (nn),HL