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We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright [yyyy] [name of copyright owner] + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. diff --git a/Module.manifest b/Module.manifest new file mode 100644 index 0000000..e69de29 diff --git a/README.markdown b/README.markdown new file mode 100644 index 0000000..b70e134 --- /dev/null +++ b/README.markdown @@ -0,0 +1,20 @@ +# GhidraBoy: Sharp SM83 / Game Boy extension for Ghidra + +**Very experimental! No compatibility guarantees!** + +## How to build + +``` +export GHIDRA_INSTALL_DIR=/path/to/ghidra +./gradlew +``` + +or + +``` +./gradlew -PGHIDRA_INSTALL_DIR=/path/to/ghidra +``` + +## License + +Licensed under the Apache License, Version 2.0. diff --git a/build.gradle b/build.gradle new file mode 100644 index 0000000..d631d6c --- /dev/null +++ b/build.gradle @@ -0,0 +1,33 @@ +// Builds a Ghidra Extension for a given Ghidra installation. +// +// An absolute path to the Ghidra installation directory must be supplied either by setting the +// GHIDRA_INSTALL_DIR environment variable or Gradle project property: +// +// > export GHIDRA_INSTALL_DIR= +// > gradle +// +// or +// +// > gradle -PGHIDRA_INSTALL_DIR= +// +// Gradle should be invoked from the directory of the project to build. Please see the +// application.gradle.version property in /Ghidra/application.properties +// for the correction version of Gradle to use for the Ghidra installation you specify. + +//----------------------START "DO NOT MODIFY" SECTION------------------------------ +def ghidraInstallDir + +if (System.env.GHIDRA_INSTALL_DIR) { + ghidraInstallDir = System.env.GHIDRA_INSTALL_DIR +} +else if (project.hasProperty("GHIDRA_INSTALL_DIR")) { + ghidraInstallDir = project.getProperty("GHIDRA_INSTALL_DIR") +} + +if (ghidraInstallDir) { + apply from: new File(ghidraInstallDir).getCanonicalPath() + "/support/buildExtension.gradle" +} +else { + throw new GradleException("GHIDRA_INSTALL_DIR is not defined!") +} +//----------------------END "DO NOT MODIFY" SECTION------------------------------- diff --git a/data/build.xml b/data/build.xml new file mode 100644 index 0000000..74a29fa --- /dev/null +++ b/data/build.xml @@ -0,0 +1,50 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/data/languages/sm83.cspec b/data/languages/sm83.cspec new file mode 100644 index 0000000..05b97e6 --- /dev/null +++ b/data/languages/sm83.cspec @@ -0,0 +1,63 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/data/languages/sm83.ldefs b/data/languages/sm83.ldefs new file mode 100644 index 0000000..dfbbb40 --- /dev/null +++ b/data/languages/sm83.ldefs @@ -0,0 +1,29 @@ + + + + + Sharp SM83 + + + diff --git a/data/languages/sm83.pspec b/data/languages/sm83.pspec new file mode 100644 index 0000000..a6af419 --- /dev/null +++ b/data/languages/sm83.pspec @@ -0,0 +1,19 @@ + + + + + diff --git a/data/languages/sm83.sinc b/data/languages/sm83.sinc new file mode 100644 index 0000000..c896f8a --- /dev/null +++ b/data/languages/sm83.sinc @@ -0,0 +1,347 @@ +# Copyright 2019 Joonas Javanainen +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +define endian = little; +define alignment = 1; +define space ram type=ram_space size=2 default; +define space register type=register_space size=1; + +define register offset=0x00 size=1 [ F A C B E D L H ]; +define register offset=0x00 size=2 [ AF BC DE HL ]; +define register offset=0x08 size=2 [ PC SP ]; + +@define C_flag "F[4,1]" +@define H_flag "F[5,1]" +@define N_flag "F[6,1]" +@define Z_flag "F[7,1]" + +define token opcode (8) + op0_8 = (0,7) + op0_4 = (0,3) + op0_3 = (0,2) + reg0_3 = (0,2) + op3_1 = (3,3) + op3_2 = (3,4) + op3_3 = (3,5) + reg3_3 = (3,5) + bit3_3 = (3,5) + qregpair4_2 = (4,5) + dregpair4_2 = (4,5) + sregpair4_2 = (4,5) + op5_3 = (5,7) + op6_2 = (6,7) +; + +define token data8 (8) + imm8 = (0,7) + sign8 = (7,7) + simm8 = (0,7) signed +; + +define token data16 (16) + imm16 = (0,15) +; + +attach variables [ reg0_3 reg3_3 ] [ B C D E H L _ A ]; +attach variables [ sregpair4_2 dregpair4_2 ] [ BC DE HL SP ]; +attach variables [ qregpair4_2 ] [ BC DE HL AF ]; + +cc: "NZ" is op3_2=0b00 { + local c:1 = ($(Z_flag) == 0); + export c; +} +cc: "Z" is op3_2=0b01 { + local c:1 = $(Z_flag); + export c; +} +cc: "NC" is op3_2=0b10 { + local c:1 = ($(C_flag) == 0); + export c; +} +cc: "C" is op3_2=0b11 { + local c:1 = $(C_flag); + export c; +} + +Addr16: imm16 is imm16 { + export *:1 imm16; +} + +Mem8: (imm16) is imm16 { + export *:1 imm16; +} + +Mem16: (imm16) is imm16 { + export *:2 imm16; +} + +RelAddr8: loc is simm8 [ + loc = inst_next + simm8; +] { + export *:1 loc; +} + +RstAddr: loc is op3_3 [ + loc = op3_3 << 3; +] { + export *:1 loc; +} + +HLInc: (HL+) is HL { + local tmp = HL; + HL = HL + 1; + export *:1 tmp; +} + +HLDec: (HL-) is HL { + local tmp = HL; + HL = HL - 1; + export *:1 tmp; +} + +CMem8: (C) is C { + local ptr:2 = 0xff00 | zext(C); + export *:1 ptr; +} + +HiMem8: (imm8) is imm8 { + local off:1 = imm8; + local ptr:2 = 0xff00 | zext(off); + export *:1 ptr; +} + +define pcodeop IME; +define pcodeop daa; +define pcodeop halt; +define pcodeop stop; + +macro push16(val16) { + SP = SP - 2; + *:2 SP = val16; +} + +macro pop16(ret16) { + ret16 = *:2 SP; + SP = SP + 2; +} + +macro aluAdd(op8) { + # TODO: double-check flags + local tmp:1 = A + op8; + $(Z_flag) = (tmp == 0); + $(N_flag) = 0; + $(H_flag) = (((A & 0xf) + (op8 & 0xf)) & 0x10) != 0; + $(C_flag) = carry(A, op8); + A = tmp; +} + +macro aluAdc(op8) { + # TODO: double-check flags + local cy = $(C_flag); + local tmp:1 = A + op8; + $(N_flag) = 0; + $(H_flag) = (((A & 0xf) + (op8 & 0xf) + cy) & 0x10) != 0; + $(C_flag) = carry(A, op8); + A = tmp + cy; + $(Z_flag) = (A == 0); + $(C_flag) = $(C_flag) || carry(tmp, cy); +} + +macro aluSub(op8) { + # TODO: double-check flags + local tmp:1 = A - op8; + $(Z_flag) = (tmp == 0); + $(N_flag) = 1; + $(H_flag) = (((A & 0xf) - (op8 & 0xf)) & 0x10) != 0; + $(C_flag) = A < op8; + A = tmp; +} + +macro aluSbc(op8) { + # TODO: double-check flags + local cy = $(C_flag); + local tmp:1 = A - op8; + $(N_flag) = 1; + $(H_flag) = (((A & 0xf) - (op8 & 0xf) - cy) & 0x10) != 0; + $(C_flag) = A < op8; + A = tmp - cy; + $(Z_flag) = (A == 0); + $(C_flag) = $(C_flag) || (tmp < cy); +} + +macro aluAnd(op8) { + # TODO: double-check flags + A = A & op8; + $(Z_flag) = (A == 0); + $(N_flag) = 0; + $(H_flag) = 1; + $(C_flag) = 0; +} + +macro aluXor(op8) { + # TODO: double-check flags + A = A ^ op8; + $(Z_flag) = (A == 0); + $(N_flag) = 0; + $(H_flag) = 0; + $(C_flag) = 0; +} + +macro aluOr(op8) { + # TODO: double-check flags + A = A | op8; + $(Z_flag) = (A == 0); + $(N_flag) = 0; + $(H_flag) = 0; + $(C_flag) = 0; +} + +macro aluCp(op8) { + # TODO: double-check flags + local tmp:1 = A - op8; + $(Z_flag) = (tmp == 0); + $(N_flag) = 1; + $(H_flag) = (((A & 0xf) - (op8 & 0xf)) & 0x10) != 0; + $(C_flag) = A < op8; +} + +macro aluInc(op8) { + # TODO: double-check flags + local tmp:1 = op8 + 1; + $(Z_flag) = (tmp == 0); + $(N_flag) = 0; + $(H_flag) = ((op8 & 0xf) == 0xf); + op8 = tmp; +} + +macro aluDec(op8) { + # TODO: double-check flags + local tmp:1 = op8 - 1; + $(Z_flag) = (tmp == 0); + $(N_flag) = 1; + $(H_flag) = ((op8 & 0xf) == 0); + op8 = tmp; +} + +macro aluRlc(op8) { + # TODO: double-check flags + local co:1 = (op8 >> 7); + local tmp:1 = (op8 << 1) | co; + $(Z_flag) = (tmp == 0); + $(N_flag) = 0; + $(H_flag) = 0; + $(C_flag) = co; + op8 = tmp; +} + +macro aluRrc(op8) { + # TODO: double-check flags + local co:1 = op8 & 1; + local tmp:1 = (op8 >> 1) | (co << 7); + $(Z_flag) = (tmp == 0); + $(N_flag) = 0; + $(H_flag) = 0; + $(C_flag) = co; + op8 = tmp; +} + +macro aluRl(op8) { + # TODO: double-check flags + local co:1 = (op8 >> 7); + local tmp:1 = (op8 << 1) | $(C_flag); + $(Z_flag) = (tmp == 0); + $(N_flag) = 0; + $(H_flag) = 0; + $(C_flag) = co; + op8 = tmp; +} + +macro aluRr(op8) { + # TODO: double-check flags + local co:1 = op8 & 1; + local tmp:1 = (op8 >> 1) | ($(C_flag) << 7); + $(Z_flag) = (tmp == 0); + $(N_flag) = 0; + $(H_flag) = 0; + $(C_flag) = co; + op8 = tmp; +} + +macro aluSla(op8) { + # TODO: double-check flags + local co:1 = op8 >> 7; + local tmp:1 = op8 << 1; + $(Z_flag) = (tmp == 0); + $(N_flag) = 0; + $(H_flag) = 0; + $(C_flag) = co; + op8 = tmp; +} + +macro aluSra(op8) { + # TODO: double-check flags + local co:1 = op8 & 1; + local tmp:1 = op8 s>> 1; + $(Z_flag) = (tmp == 0); + $(N_flag) = 0; + $(H_flag) = 0; + $(C_flag) = co; + op8 = tmp; +} + +macro aluSwap(op8) { + # TODO: double-check flags + local tmp:1 = (op8 >> 4) | (op8 << 4); + $(Z_flag) = (tmp == 0); + $(N_flag) = 0; + $(H_flag) = 0; + $(C_flag) = 0; + op8 = tmp; +} + +macro aluSrl(op8) { + # TODO: double-check flags + local co:1 = op8 & 1; + local tmp:1 = op8 >> 1; + $(Z_flag) = (tmp == 0); + $(N_flag) = 0; + $(H_flag) = 0; + $(C_flag) = co; + op8 = tmp; +} + +macro aluBit(bit, op8) { + # TODO: double-check flags + local mask:1 = (1 << bit); + local tmp:1 = op8; + $(Z_flag) = ((tmp & mask) == 0); + $(N_flag) = 0; + $(H_flag) = 1; +} + +macro aluRes(bit, op8) { + # TODO: double-check flags + local mask:1 = ~(1 << bit); + local tmp:1 = op8; + tmp = tmp & mask; + op8 = tmp; +} + +macro aluSet(bit, op8) { + # TODO: double-check flags + local mask:1 = (1 << bit); + local tmp:1 = op8; + tmp = tmp | mask; + op8 = tmp; +} diff --git a/data/languages/sm83.slaspec b/data/languages/sm83.slaspec new file mode 100644 index 0000000..04b6dd5 --- /dev/null +++ b/data/languages/sm83.slaspec @@ -0,0 +1,17 @@ +# Copyright 2019 Joonas Javanainen +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +@include "sm83.sinc" + +@include "sm83_instructions.sinc" diff --git a/data/languages/sm83_instructions.sinc b/data/languages/sm83_instructions.sinc new file mode 100644 index 0000000..142a176 --- /dev/null +++ b/data/languages/sm83_instructions.sinc @@ -0,0 +1,540 @@ +# Copyright 2019 Joonas Javanainen +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +# 8-bit loads + +:LD reg3_3, reg0_3 is op6_2=0b01 & reg3_3 & reg0_3 { + reg3_3 = reg0_3; +} + +:LD reg3_3, imm8 is op6_2=0b00 & reg3_3 & op0_3=0b110; imm8 { + reg3_3 = imm8; +} + +:LD reg3_3, (HL) is op6_2=0b01 & reg3_3 & op0_3=0b110 & HL { + reg3_3 = *:1 HL; +} + +:LD (HL), reg0_3 is op6_2=0b01 & op3_3=0b110 & reg0_3 & HL { + *:1 HL = reg0_3; +} + +:LD (HL), imm8 is op0_8=0x36 & HL; imm8 { + *:1 HL = imm8; +} + +:LD A, (BC) is op0_8=0x0a & A & BC { + A = *:1 BC; +} + +:LD A, (DE) is op0_8=0x1a & A & DE { + A = *:1 DE; +} + +:LD A, CMem8 is op0_8=0xf2 & A & CMem8 { + A = CMem8; +} + +:LD CMem8, A is op0_8=0xe2 & A & CMem8 { + CMem8 = A; +} + +:LDH A, HiMem8 is op0_8=0xf0 & A; HiMem8 { + A = HiMem8; +} + +:LDH HiMem8, A is op0_8=0xe0 & A; HiMem8 { + HiMem8 = A; +} + +:LD A, Mem8 is op0_8=0xfa & A; Mem8 { + A = Mem8; +} + +:LD Mem8, A is op0_8=0xea & A; Mem8 { + Mem8 = A; +} + +:LD A, HLInc is op0_8=0x2a & A & HLInc { + A = HLInc; +} + +:LD A, HLDec is op0_8=0x3a & A & HLDec { + A = HLDec; +} + +:LD (BC), A is op0_8=0x02 & A & BC { + *:1 BC = A; +} + +:LD (DE), A is op0_8=0x12 & A & DE { + *:1 DE = A; +} + +:LD HLInc, A is op0_8=0x22 & A & HLInc { + HLInc = A; +} + +:LD HLDec, A is op0_8=0x32 & A & HLDec { + HLDec = A; +} + +# 8-bit arithmetic + +:ADD reg0_3 is op6_2=0b10 & op3_3=0b000 & reg0_3 { + aluAdd(reg0_3); +} + +:ADD imm8 is op0_8=0xc6; imm8 { + aluAdd(imm8); +} + +:ADD (HL) is op0_8=0x86 & HL { + local val:1 = *:1 HL; + aluAdd(val); +} + +:ADC reg0_3 is op6_2=0b10 & op3_3=0b001 & reg0_3 { + aluAdc(reg0_3); +} + +:ADC imm8 is op0_8=0xce; imm8 { + aluAdc(imm8); +} + +:ADC (HL) is op0_8=0x8e & HL { + local val:1 = *:1 HL; + aluAdc(val); +} + +:SUB reg0_3 is op6_2=0b10 & op3_3=0b010 & reg0_3 { + aluSub(reg0_3); +} + +:SUB imm8 is op0_8=0xd6; imm8 { + aluSub(imm8); +} + +:SUB (HL) is op0_8=0x96 & HL { + local val:1 = *:1 HL; + aluSub(val); +} + +:SBC reg0_3 is op6_2=0b10 & op3_3=0b011 & reg0_3 { + aluSbc(reg0_3); +} + +:SBC imm8 is op0_8=0xde; imm8 { + aluSbc(imm8); +} + +:SBC (HL) is op0_8=0x9e & HL { + local val:1 = *:1 HL; + aluSbc(val); +} + +:AND reg0_3 is op6_2=0b10 & op3_3=0b100 & reg0_3 { + aluAnd(reg0_3); +} + +:AND imm8 is op0_8=0xe6; imm8 { + aluAnd(imm8); +} + +:AND (HL) is op0_8=0xa6 & HL { + local val:1 = *:1 HL; + aluAnd(val); +} + +:XOR reg0_3 is op6_2=0b10 & op3_3=0b101 & reg0_3 { + aluXor(reg0_3); +} + +:XOR imm8 is op0_8=0xee; imm8 { + aluXor(imm8); +} + +:XOR (HL) is op0_8=0xae & HL { + local val:1 = *:1 HL; + aluXor(val); +} + +:OR reg0_3 is op6_2=0b10 & op3_3=0b110 & reg0_3 { + aluOr(reg0_3); +} + +:OR imm8 is op0_8=0xf6; imm8 { + aluOr(imm8); +} + +:OR (HL) is op0_8=0xb6 & HL { + local val:1 = *:1 HL; + aluOr(val); +} + +:CP reg0_3 is op6_2=0b10 & op3_3=0b111 & reg0_3 { + aluCp(reg0_3); +} + +:CP imm8 is op0_8=0xfe; imm8 { + aluCp(imm8); +} + +:CP (HL) is op0_8=0xbe & HL { + local val:1 = *:1 HL; + aluCp(val); +} + +:INC reg3_3 is op6_2=0b00 & reg3_3 & op0_3=0b100 { + aluInc(reg3_3); +} + +:INC (HL) is op0_8=0x34 & HL { + local val:1 = *:1 HL; + aluInc(val); +} + +:DEC reg3_3 is op6_2=0b00 & reg3_3 & op0_3=0b101 { + aluDec(reg3_3); +} + +:DEC (HL) is op0_8=0x35 & HL { + local val:1 = *:1 HL; + aluDec(val); +} + +:RLCA is op0_8=0x07 { + # TODO: double-check flags + local co:1 = (A >> 7); + A = (A << 1) | co; + $(Z_flag) = 0; + $(N_flag) = 0; + $(H_flag) = 0; + $(C_flag) = co; +} + +:RLA is op0_8=0x17 { + # TODO: double-check flags + local co:1 = (A >> 7); + A = (A << 1) | $(C_flag); + $(Z_flag) = 0; + $(N_flag) = 0; + $(H_flag) = 0; + $(C_flag) = co; +} + +:RRCA is op0_8=0x0f { + # TODO: double-check flags + local co:1 = A & 1; + A = (A >> 1) | (co << 7); + $(Z_flag) = 0; + $(N_flag) = 0; + $(H_flag) = 0; + $(C_flag) = co; +} + +:RRA is op0_8=0x1f { + # TODO: double-check flags + local co:1 = A & 1; + A = (A >> 1) | ($(C_flag) << 7); + $(Z_flag) = 0; + $(N_flag) = 0; + $(H_flag) = 0; + $(C_flag) = co; +} + +:RLC reg0_3 is op0_8=0xcb; op6_2=0b00 & op3_3=0b000 & reg0_3 { + aluRlc(reg0_3); +} + +:RLC (HL) is op0_8=0xcb & HL; op0_8=0x06 { + local val:1 = *:1 HL; + aluRlc(val); + *:1 HL = val; +} + +:RRC reg0_3 is op0_8=0xcb; op6_2=0b00 & op3_3=0b001 & reg0_3 { + aluRrc(reg0_3); +} + +:RRC (HL) is op0_8=0xcb & HL; op0_8=0x0e { + local val:1 = *:1 HL; + aluRrc(val); + *:1 HL = val; +} + +:RL reg0_3 is op0_8=0xcb; op6_2=0b00 & op3_3=0b010 & reg0_3 { + aluRl(reg0_3); +} + +:RL (HL) is op0_8=0xcb & HL; op0_8=0x16 { + local val:1 = *:1 HL; + aluRl(val); + *:1 HL = val; +} + +:RR reg0_3 is op0_8=0xcb; op6_2=0b00 & op3_3=0b011 & reg0_3 { + aluRr(reg0_3); +} + +:RR (HL) is op0_8=0xcb & HL; op0_8=0x1e { + local val:1 = *:1 HL; + aluRr(val); + *:1 HL = val; +} + +:SLA reg0_3 is op0_8=0xcb; op6_2=0b00 & op3_3=0b100 & reg0_3 { + aluSla(reg0_3); +} + +:SLA (HL) is op0_8=0xcb & HL; op0_8=0x26 { + local val:1 = *:1 HL; + aluSla(val); + *:1 HL = val; +} + +:SRA reg0_3 is op0_8=0xcb; op6_2=0b00 & op3_3=0b101 & reg0_3 { + aluSra(reg0_3); +} + +:SRA (HL) is op0_8=0xcb & HL; op0_8=0x2e { + local val:1 = *:1 HL; + aluSra(val); + *:1 HL = val; +} + +:SWAP reg0_3 is op0_8=0xcb; op6_2=0b00 & op3_3=0b110 & reg0_3 { + aluSwap(reg0_3); +} + +:SWAP (HL) is op0_8=0xcb & HL; op0_8=0x36 { + local val:1 = *:1 HL; + aluSwap(val); + *:1 HL = val; +} + +:SRL reg0_3 is op0_8=0xcb; op6_2=0b00 & op3_3=0b111 & reg0_3 { + aluSrl(reg0_3); +} + +:SRL (HL) is op0_8=0xcb & HL; op0_8=0x3e { + local val:1 = *:1 HL; + aluSrl(val); + *:1 HL = val; +} + +:BIT bit3_3, reg0_3 is op0_8=0xcb; op6_2=0b01 & bit3_3 & reg0_3 { + aluBit(bit3_3, reg0_3); +} + +:BIT bit3_3, (HL) is op0_8=0xcb & HL; op6_2=0b01 & bit3_3 & op0_3=0b110 { + local val:1 = *:1 HL; + aluBit(bit3_3, val); +} + +:RES bit3_3, reg0_3 is op0_8=0xcb; op6_2=0b10 & bit3_3 & reg0_3 { + aluRes(bit3_3, reg0_3); +} + +:RES bit3_3, (HL) is op0_8=0xcb & HL; op6_2=0b10 & bit3_3 & op0_3=0b110 { + local val:1 = *:1 HL; + aluRes(bit3_3, val); + *:1 HL = val; +} + +:SET bit3_3, reg0_3 is op0_8=0xcb; op6_2=0b11 & bit3_3 & reg0_3 { + aluSet(bit3_3, reg0_3); +} + +:SET bit3_3, (HL) is op0_8=0xcb & HL; op6_2=0b11 & bit3_3 & op0_3=0b110 { + local val:1 = *:1 HL; + aluSet(bit3_3, val); + *:1 HL = val; +} + +# Control + +:JP Addr16 is op0_8=0xc3; Addr16 { + goto Addr16; +} + +:JP HL is op0_8=0xe9 & HL { + goto [HL]; +} + +:JR RelAddr8 is op0_8=0x18; RelAddr8 { + goto RelAddr8; +} + +:CALL Addr16 is op0_8=0xcd; Addr16 { + push16(&:2 inst_next); + call Addr16; +} + +:RET is op0_8=0xc9 { + pop16(PC); + return [PC]; +} + +:RETI is op0_8=0xd9 { + pop16(PC); + local ime:1 = 1; + IME(ime); + return [PC]; +} + +:JP cc, Addr16 is op5_3=0b110 & cc & op0_3=0b010; Addr16 { + if (cc) goto Addr16; +} + +:JR cc, RelAddr8 is op5_3=0b001 & cc & op0_3=0b000; RelAddr8 { + if (cc) goto RelAddr8; +} + +:CALL cc, Addr16 is op5_3=0b110 & cc & op0_3=0b100; Addr16 { + if (!cc) goto inst_next; + push16(&:2 inst_next); + call Addr16; +} + +:RET cc is op5_3=0b110 & cc & op0_3=0b000 { + if (!cc) goto inst_next; + pop16(PC); + return [PC]; +} + +:RST RstAddr is op6_2=0b11 & RstAddr & op0_3=0b111 { + push16(&:2 inst_next); + call RstAddr; +} + +# Miscellaneous + +:HALT is op0_8=0x76 { + halt(); +} + +:STOP is op0_8=0x10 { + stop(); + PC = PC + 1; + goto [PC]; +} + +:DI is op0_8=0xf3 { + local ime:1 = 0; + IME(ime); +} + +:EI is op0_8=0xfb { + local ime:1 = 1; + IME(ime); +} + +:CCF is op0_8=0x3f { + $(N_flag) = 0; + $(H_flag) = 0; + $(C_flag) = !$(C_flag); +} + +:SCF is op0_8=0x37 { + $(N_flag) = 0; + $(H_flag) = 0; + $(C_flag) = 1; +} + +:NOP is op0_8=0x00 { +} + +:DAA is op0_8=0x27 { + A = daa(A); +} + +:CPL is op0_8=0x2f { + A = ~A; + $(N_flag) = 1; + $(H_flag) = 1; +} + +# 16-bit loads + +:LD dregpair4_2, imm16 is op6_2=0b00 & dregpair4_2 & op0_4=0b0001; imm16 { + dregpair4_2 = imm16; +} + +:LD Mem16, SP is op0_8=0x08 & SP; Mem16 { + Mem16 = SP; +} + +:LD SP, HL is op0_8=0xf9 & SP & HL { + SP = HL; +} + +:LD HL, SP+simm8 is op0_8=0xf8 & HL & SP; simm8 { + # TODO: double-check flags + local tmp:2 = SP + simm8; + $(Z_flag) = 0; + $(N_flag) = 0; + $(H_flag) = (((SP:1 & 0xf) + (simm8 & 0xf)) & 0x10) != 0; + $(C_flag) = carry(SP:1, simm8); + HL = tmp; +} + +:LD HL, SP-val is op0_8=0xf8 & HL & SP; simm8 & sign8=1 [ + val = -simm8; +] { + # TODO: double-check flags + local tmp:2 = SP + simm8; + $(Z_flag) = 0; + $(N_flag) = 0; + $(H_flag) = (((SP:1 & 0xf) + (simm8 & 0xf)) & 0x10) != 0; + $(C_flag) = carry(SP:1, simm8); + HL = tmp; +} + +:PUSH qregpair4_2 is op6_2=0b11 & qregpair4_2 & op0_4=0b0101 { + push16(qregpair4_2); +} + +:POP qregpair4_2 is op6_2=0b11 & qregpair4_2 & op0_4=0b0001 { + pop16(qregpair4_2); +} + +# 16-bit arithmetic + +:ADD HL, sregpair4_2 is op6_2=0b00 & sregpair4_2 & op0_4=0b1001 & HL { + # TODO: double-check flags + local tmp:2 = HL + sregpair4_2; + $(N_flag) = 0; + $(H_flag) = (((HL & 0xfff) + (sregpair4_2 & 0xfff)) & 0x1000) != 0; + $(C_flag) = carry(HL, sregpair4_2); + HL = tmp; +} + +:ADD SP, simm8 is op0_8=0xe8 & SP; simm8 { + # TODO: double-check flags + local tmp:2 = SP + simm8; + $(Z_flag) = 0; + $(N_flag) = 0; + $(H_flag) = (((SP:1 & 0xf) + (simm8 & 0xf)) & 0x10) != 0; + $(C_flag) = carry(SP:1, simm8); + SP = tmp; +} + +:INC sregpair4_2 is op6_2=0b00 & sregpair4_2 & op0_4=0b0011 { + sregpair4_2 = sregpair4_2 + 1; +} + +:DEC sregpair4_2 is op6_2=0b00 & sregpair4_2 & op0_4=0b1011 { + sregpair4_2 = sregpair4_2 - 1; +} diff --git a/data/sleighArgs.txt b/data/sleighArgs.txt new file mode 100644 index 0000000..ce06926 --- /dev/null +++ b/data/sleighArgs.txt @@ -0,0 +1,6 @@ +# Add sleigh compiler options to this file (one per line) which will +# be used when compiling each language within this module. +# All options should start with a '-' character. +# +# IMPORTANT: The -a option should NOT be specified +# \ No newline at end of file diff --git a/extension.properties b/extension.properties new file mode 100644 index 0000000..2025ad6 --- /dev/null +++ b/extension.properties @@ -0,0 +1,5 @@ +name=@extname@ +description=Support for Sharp SM83 / Game Boy +author=Gekkio +createdOn= +version=@extversion@ diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties new file mode 100644 index 0000000..4b7e1f3 --- /dev/null +++ b/gradle/wrapper/gradle-wrapper.properties @@ -0,0 +1,5 @@ +distributionBase=GRADLE_USER_HOME +distributionPath=wrapper/dists +distributionUrl=https\://services.gradle.org/distributions/gradle-5.5.1-bin.zip +zipStoreBase=GRADLE_USER_HOME +zipStorePath=wrapper/dists diff --git a/gradlew b/gradlew new file mode 100755 index 0000000..8e25e6c --- /dev/null +++ b/gradlew @@ -0,0 +1,188 @@ +#!/usr/bin/env sh + +# +# Copyright 2015 the original author or authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# https://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# + +############################################################################## +## +## Gradle start up script for UN*X +## +############################################################################## + +# Attempt to set APP_HOME +# Resolve links: $0 may be a link +PRG="$0" +# Need this for relative symlinks. +while [ -h "$PRG" ] ; do + ls=`ls -ld "$PRG"` + link=`expr "$ls" : '.*-> \(.*\)$'` + if expr "$link" : '/.*' > /dev/null; then + PRG="$link" + else + PRG=`dirname "$PRG"`"/$link" + fi +done +SAVED="`pwd`" +cd "`dirname \"$PRG\"`/" >/dev/null +APP_HOME="`pwd -P`" +cd "$SAVED" >/dev/null + +APP_NAME="Gradle" +APP_BASE_NAME=`basename "$0"` + +# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' + +# Use the maximum available, or set MAX_FD != -1 to use that value. +MAX_FD="maximum" + +warn () { + echo "$*" +} + +die () { + echo + echo "$*" + echo + exit 1 +} + +# OS specific support (must be 'true' or 'false'). +cygwin=false +msys=false +darwin=false +nonstop=false +case "`uname`" in + CYGWIN* ) + cygwin=true + ;; + Darwin* ) + darwin=true + ;; + MINGW* ) + msys=true + ;; + NONSTOP* ) + nonstop=true + ;; +esac + +CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar + +# Determine the Java command to use to start the JVM. +if [ -n "$JAVA_HOME" ] ; then + if [ -x "$JAVA_HOME/jre/sh/java" ] ; then + # IBM's JDK on AIX uses strange locations for the executables + JAVACMD="$JAVA_HOME/jre/sh/java" + else + JAVACMD="$JAVA_HOME/bin/java" + fi + if [ ! -x "$JAVACMD" ] ; then + die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +else + JAVACMD="java" + which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." +fi + +# Increase the maximum file descriptors if we can. +if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then + MAX_FD_LIMIT=`ulimit -H -n` + if [ $? -eq 0 ] ; then + if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then + MAX_FD="$MAX_FD_LIMIT" + fi + ulimit -n $MAX_FD + if [ $? -ne 0 ] ; then + warn "Could not set maximum file descriptor limit: $MAX_FD" + fi + else + warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" + fi +fi + +# For Darwin, add options to specify how the application appears in the dock +if $darwin; then + GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" +fi + +# For Cygwin, switch paths to Windows format before running java +if $cygwin ; then + APP_HOME=`cygpath --path --mixed "$APP_HOME"` + CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` + JAVACMD=`cygpath --unix "$JAVACMD"` + + # We build the pattern for arguments to be converted via cygpath + ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` + SEP="" + for dir in $ROOTDIRSRAW ; do + ROOTDIRS="$ROOTDIRS$SEP$dir" + SEP="|" + done + OURCYGPATTERN="(^($ROOTDIRS))" + # Add a user-defined pattern to the cygpath arguments + if [ "$GRADLE_CYGPATTERN" != "" ] ; then + OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" + fi + # Now convert the arguments - kludge to limit ourselves to /bin/sh + i=0 + for arg in "$@" ; do + CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` + CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option + + if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition + eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` + else + eval `echo args$i`="\"$arg\"" + fi + i=$((i+1)) + done + case $i in + (0) set -- ;; + (1) set -- "$args0" ;; + (2) set -- "$args0" "$args1" ;; + (3) set -- "$args0" "$args1" "$args2" ;; + (4) set -- "$args0" "$args1" "$args2" "$args3" ;; + (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; + (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; + (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; + (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; + (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; + esac +fi + +# Escape application args +save () { + for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done + echo " " +} +APP_ARGS=$(save "$@") + +# Collect all arguments for the java command, following the shell quoting and substitution rules +eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS" + +# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong +if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then + cd "$(dirname "$0")" +fi + +exec "$JAVACMD" "$@" diff --git a/gradlew.bat b/gradlew.bat new file mode 100644 index 0000000..9618d8d --- /dev/null +++ b/gradlew.bat @@ -0,0 +1,100 @@ +@rem +@rem Copyright 2015 the original author or authors. +@rem +@rem Licensed under the Apache License, Version 2.0 (the "License"); +@rem you may not use this file except in compliance with the License. +@rem You may obtain a copy of the License at +@rem +@rem https://www.apache.org/licenses/LICENSE-2.0 +@rem +@rem Unless required by applicable law or agreed to in writing, software +@rem distributed under the License is distributed on an "AS IS" BASIS, +@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +@rem See the License for the specific language governing permissions and +@rem limitations under the License. +@rem + +@if "%DEBUG%" == "" @echo off +@rem ########################################################################## +@rem +@rem Gradle startup script for Windows +@rem +@rem ########################################################################## + +@rem Set local scope for the variables with windows NT shell +if "%OS%"=="Windows_NT" setlocal + +set DIRNAME=%~dp0 +if "%DIRNAME%" == "" set DIRNAME=. +set APP_BASE_NAME=%~n0 +set APP_HOME=%DIRNAME% + +@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m" + +@rem Find java.exe +if defined JAVA_HOME goto findJavaFromJavaHome + +set JAVA_EXE=java.exe +%JAVA_EXE% -version >NUL 2>&1 +if "%ERRORLEVEL%" == "0" goto init + +echo. +echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. +echo. +echo Please set the JAVA_HOME variable in your environment to match the +echo location of your Java installation. + +goto fail + +:findJavaFromJavaHome +set JAVA_HOME=%JAVA_HOME:"=% +set JAVA_EXE=%JAVA_HOME%/bin/java.exe + +if exist "%JAVA_EXE%" goto init + +echo. +echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% +echo. +echo Please set the JAVA_HOME variable in your environment to match the +echo location of your Java installation. + +goto fail + +:init +@rem Get command-line arguments, handling Windows variants + +if not "%OS%" == "Windows_NT" goto win9xME_args + +:win9xME_args +@rem Slurp the command line arguments. +set CMD_LINE_ARGS= +set _SKIP=2 + +:win9xME_args_slurp +if "x%~1" == "x" goto execute + +set CMD_LINE_ARGS=%* + +:execute +@rem Setup the command line + +set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar + +@rem Execute Gradle +"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS% + +:end +@rem End local scope for the variables with windows NT shell +if "%ERRORLEVEL%"=="0" goto mainEnd + +:fail +rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of +rem the _cmd.exe /c_ return code! +if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 +exit /b 1 + +:mainEnd +if "%OS%"=="Windows_NT" endlocal + +:omega