gbdev/rgbds
1
0
Fork 0
mirror of https://github.com/gbdev/rgbds.git synced 2025-11-20 18:22:07 +00:00
Code Issues Packages Projects Releases Wiki Activity

Support ld [c], a and ld a, [c]

Browse Source
This commit is contained in:
Rangi
2021-03-30 12:02:29 -04:00
parent 1b250b90b2
commit 77021d229b
1 changed files with 8 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
src/asm/parser.y
View File

@@ -1760,6 +1760,9 @@ z80_ld_args : T_MODE_PC T_COMMA T_MODE_PC { out_AbsByte(0x00); } // $00: nop ==>
| T_LBRACK T_TOKEN_H T_MODE_C T_RBRACK T_COMMA T_MODE_A { // $E2: ldh [c], a ==> ld [h c], a | T_LBRACK T_TOKEN_H T_MODE_C T_RBRACK T_COMMA T_MODE_A { // $E2: ldh [c], a ==> ld [h c], a
out_AbsByte(0xE2); out_AbsByte(0xE2);
} }
| T_LBRACK T_MODE_C T_RBRACK T_COMMA T_MODE_A { // $E2: ldh [c], a ==> ld [c], a
out_AbsByte(0xE2);
}
| T_MODE_SP T_COMMA T_MODE_SP T_OP_ADD reloc_8bit { // $E8: add sp, <imm8> ==> ld sp, sp+<imm8> | T_MODE_SP T_COMMA T_MODE_SP T_OP_ADD reloc_8bit { // $E8: add sp, <imm8> ==> ld sp, sp+<imm8>
out_AbsByte(0xE8); out_AbsByte(0xE8);
out_RelByte(&$5, 1); out_RelByte(&$5, 1);
@@ -1986,7 +1989,10 @@ z80_ld_a_comma_args : reg_rr { // $0A,$1A,$2A,$3A: ld a, [<r16>]
out_AbsByte(0xF0); out_AbsByte(0xF0);
out_RelByte(&$3, 1); out_RelByte(&$3, 1);
} }
| T_LBRACK T_TOKEN_H T_MODE_C T_RBRACK { // $F2: ldh a, [c] ==> ld a, [h c] | T_LBRACK T_TOKEN_H T_MODE_C T_RBRACK { // $F2: ldh a, [c] ==> ld a, [c]
out_AbsByte(0xF2);
}
| T_LBRACK T_MODE_C T_RBRACK { // $F2: ldh a, [c] ==> ld a, [h c]
out_AbsByte(0xF2); out_AbsByte(0xF2);
} }
| T_MODE_A T_OP_OR reloc_8bit { // $F6: or a, <imm8> ==> ld a, a | <imm8> | T_MODE_A T_OP_OR reloc_8bit { // $F6: or a, <imm8> ==> ld a, a | <imm8>