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grammar.txt: minor corrections

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Zack Buhman 2023-08-26 02:15:24 +00:00
parent 6553b64937
commit 9903749191
1 changed files with 16 additions and 14 deletions
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grammar.txt
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@ -22,8 +22,8 @@ uimm25 → imm
alu → and | or | xor | add | sub | ad2 | sr | rr | sl | rl | rl8
xy_src → "mc0" | "mc1" | "mc2" | "mc3"
| "m0" | "m1" | "m2" | "m3"
xy_src → "m0" | "m1" | "m2" | "m3"
| "mc0" | "mc1" | "mc2" | "mc3"
mov_ram_x → "mov" xy_src "," "x"
mov_mul_p → "mov" "mul" "," "p"
@ -38,13 +38,14 @@ mov_ram_a → "mov" xy_src "," "a"
y_bus → mov_ram_y | clr_a | mpv_alu_a | mov_ram_a
d1_dest → "rx" | "pl"
d1_dest → "mc0" | "mc1" | "mc2" | "mc3"
| "rx" | "pl"
| "ra0" | "wa0"
| "lop" | "top"
| "ct0" | "ct1" | "ct2" | "ct3"
d1_src → "mc0" | "mc1" | "mc2" | "mc3"
| "m0" | "m1" | "m2" | "m3"
d1_src → "m0" | "m1" | "m2" | "m3"
| "mc0" | "mc1" | "mc2" | "mc3"
| "alh" | "all"
mov_imm_d1 → "mov" uimm8 "," d1_dest
@ -72,10 +73,10 @@ mvi_cond → "mvi" uimm19 load_dest load_cond
load → mvi | mvi_cond
dma_ingress → "m0" | "m1" | "m2" | "m3"
| "prg"
dma_dst → "m0" | "m1" | "m2" | "m3"
| "prg"
dma_egress → "m0" | "m1" | "m2" | "m3"
dma_src → "m0" | "m1" | "m2" | "m3"
add_mode = "0" | "1" | "2" | "4" | "8" | "16" | "32" | "64"
@ -84,12 +85,13 @@ dma_dmah → ("dma" | "dmah") add_mode?
dma_length_ram → "m0" | "m1" | "m2" | "m3"
| "mc0" | "mc1" | "mc2" | "mc3"
dma_ingress_imm → dma_dmah "d0" "," dma_ingress "," uimm8
dma_egress_imm → dma_dmah dma_egress "," "d0" "," uimm8
dma_ingress_ram → dma_dmah "d0" "," dma_ingress "," dma_length_ram
dma_egress_ram → dma_dmah dma_egress "," "d0" "," dma_length_ram
dma_d0_dst_imm → dma_dmah "d0" "," dma_dst "," uimm8
dma_src_d0_imm → dma_dmah dma_src "," "d0" "," uimm8
dma_d0_dst_ram → dma_dmah "d0" "," dma_dst "," dma_length_ram
dma_src_d0_ram → dma_dmah dma_src "," "d0" "," dma_length_ram
dma → dma_ingress_imm | dma_egress_imm | dma_ingress_ram | dma_egress_ram
dma → dma_d0_dst_imm | dma_src_d0_imm
| dma_d0_dst_ram | dma_src_d0_ram
jump_cond → "z" | "nz"
| "s" | "ns"
@ -98,7 +100,7 @@ jump_cond → "z" | "nz"
| "zs" | "nzs"
jmp → "jmp" uimm8
jmp_cond → "jmp" jump_cond
jmp_cond → "jmp" jump_cond uimm8
jump → jmp | jmp_cond