all repos — mgba @ 4fbed66bdb1cb69f60c6fa4642c778e6cc071fe3

mGBA Game Boy Advance Emulator

src/isa-thumb.c (view raw)

  1#include "isa-thumb.h"
  2
  3#include "isa-inlines.h"
  4
  5static const ThumbInstruction _thumbTable[0x400];
  6
  7void ThumbStep(struct ARMCore* cpu) {
  8	uint32_t address = cpu->gprs[ARM_PC];
  9	cpu->gprs[ARM_PC] = address + WORD_SIZE_THUMB;
 10	address -= WORD_SIZE_THUMB;
 11	uint16_t opcode = ((uint16_t*) cpu->memory->activeRegion)[(address & cpu->memory->activeMask) >> 1];
 12	ThumbInstruction instruction = _thumbTable[opcode >> 6];
 13	instruction(cpu, opcode);
 14}
 15
 16// Instruction definitions
 17// Beware pre-processor insanity
 18
 19#define APPLY(F, ...) F(__VA_ARGS__)
 20
 21#define COUNT_1(EMITTER, PREFIX, ...) \
 22	EMITTER(PREFIX ## 0, 0, __VA_ARGS__) \
 23	EMITTER(PREFIX ## 1, 1, __VA_ARGS__)
 24
 25#define COUNT_2(EMITTER, PREFIX, ...) \
 26	COUNT_1(EMITTER, PREFIX, __VA_ARGS__) \
 27	EMITTER(PREFIX ## 2, 2, __VA_ARGS__) \
 28	EMITTER(PREFIX ## 3, 3, __VA_ARGS__)
 29
 30#define COUNT_3(EMITTER, PREFIX, ...) \
 31	COUNT_2(EMITTER, PREFIX, __VA_ARGS__) \
 32	EMITTER(PREFIX ## 4, 4, __VA_ARGS__) \
 33	EMITTER(PREFIX ## 5, 5, __VA_ARGS__) \
 34	EMITTER(PREFIX ## 6, 6, __VA_ARGS__) \
 35	EMITTER(PREFIX ## 7, 7, __VA_ARGS__)
 36
 37#define COUNT_4(EMITTER, PREFIX, ...) \
 38	COUNT_3(EMITTER, PREFIX, __VA_ARGS__) \
 39	EMITTER(PREFIX ## 8, 8, __VA_ARGS__) \
 40	EMITTER(PREFIX ## 9, 9, __VA_ARGS__) \
 41	EMITTER(PREFIX ## A, 10, __VA_ARGS__) \
 42	EMITTER(PREFIX ## B, 11, __VA_ARGS__) \
 43	EMITTER(PREFIX ## C, 12, __VA_ARGS__) \
 44	EMITTER(PREFIX ## D, 13, __VA_ARGS__) \
 45	EMITTER(PREFIX ## E, 14, __VA_ARGS__) \
 46	EMITTER(PREFIX ## F, 15, __VA_ARGS__)
 47
 48#define COUNT_5(EMITTER, PREFIX, ...) \
 49	COUNT_4(EMITTER, PREFIX ## 0, __VA_ARGS__) \
 50	EMITTER(PREFIX ## 10, 16, __VA_ARGS__) \
 51	EMITTER(PREFIX ## 11, 17, __VA_ARGS__) \
 52	EMITTER(PREFIX ## 12, 18, __VA_ARGS__) \
 53	EMITTER(PREFIX ## 13, 19, __VA_ARGS__) \
 54	EMITTER(PREFIX ## 14, 20, __VA_ARGS__) \
 55	EMITTER(PREFIX ## 15, 21, __VA_ARGS__) \
 56	EMITTER(PREFIX ## 16, 22, __VA_ARGS__) \
 57	EMITTER(PREFIX ## 17, 23, __VA_ARGS__) \
 58	EMITTER(PREFIX ## 18, 24, __VA_ARGS__) \
 59	EMITTER(PREFIX ## 19, 25, __VA_ARGS__) \
 60	EMITTER(PREFIX ## 1A, 26, __VA_ARGS__) \
 61	EMITTER(PREFIX ## 1B, 27, __VA_ARGS__) \
 62	EMITTER(PREFIX ## 1C, 28, __VA_ARGS__) \
 63	EMITTER(PREFIX ## 1D, 29, __VA_ARGS__) \
 64	EMITTER(PREFIX ## 1E, 30, __VA_ARGS__) \
 65	EMITTER(PREFIX ## 1F, 31, __VA_ARGS__) \
 66
 67#define THUMB_WRITE_PC \
 68	cpu->gprs[ARM_PC] = (cpu->gprs[ARM_PC] & -WORD_SIZE_THUMB) + WORD_SIZE_THUMB
 69
 70#define DEFINE_INSTRUCTION_THUMB(NAME, BODY) \
 71	static void _ThumbInstruction ## NAME (struct ARMCore* cpu, uint16_t opcode) {  \
 72		BODY; \
 73	}
 74
 75#define DEFINE_IMMEDIATE_5_INSTRUCTION_EX_THUMB(NAME, IMMEDIATE, BODY) \
 76	DEFINE_INSTRUCTION_THUMB(NAME, \
 77		int immediate = IMMEDIATE; \
 78		BODY;)
 79
 80#define DEFINE_IMMEDIATE_5_INSTRUCTION_THUMB(NAME, BODY) \
 81	COUNT_5(DEFINE_IMMEDIATE_5_INSTRUCTION_EX_THUMB, NAME ## _, BODY)
 82
 83DEFINE_IMMEDIATE_5_INSTRUCTION_THUMB(LSL1, ARM_STUB)
 84DEFINE_IMMEDIATE_5_INSTRUCTION_THUMB(LSR1, ARM_STUB)
 85DEFINE_IMMEDIATE_5_INSTRUCTION_THUMB(ASR1, ARM_STUB)
 86
 87DEFINE_IMMEDIATE_5_INSTRUCTION_THUMB(LDR1, ARM_STUB)
 88DEFINE_IMMEDIATE_5_INSTRUCTION_THUMB(LDRB1, ARM_STUB)
 89DEFINE_IMMEDIATE_5_INSTRUCTION_THUMB(LDRH1, ARM_STUB)
 90DEFINE_IMMEDIATE_5_INSTRUCTION_THUMB(STR1, ARM_STUB)
 91DEFINE_IMMEDIATE_5_INSTRUCTION_THUMB(STRB1, ARM_STUB)
 92DEFINE_IMMEDIATE_5_INSTRUCTION_THUMB(STRH1, ARM_STUB)
 93
 94#define DEFINE_DATA_FORM_1_INSTRUCTION_EX_THUMB(NAME, RM, BODY) \
 95	DEFINE_INSTRUCTION_THUMB(NAME, \
 96		int rm = RM; \
 97		BODY;)
 98
 99#define DEFINE_DATA_FORM_1_INSTRUCTION_THUMB(NAME, BODY) \
100	COUNT_3(DEFINE_DATA_FORM_1_INSTRUCTION_EX_THUMB, NAME ## 3_R, BODY)
101
102DEFINE_DATA_FORM_1_INSTRUCTION_THUMB(ADD, ARM_STUB)
103DEFINE_DATA_FORM_1_INSTRUCTION_THUMB(SUB, ARM_STUB)
104
105#define DEFINE_DATA_FORM_2_INSTRUCTION_EX_THUMB(NAME, IMMEDIATE, BODY) \
106	DEFINE_INSTRUCTION_THUMB(NAME, \
107		int immediate = IMMEDIATE; \
108		BODY;)
109
110#define DEFINE_DATA_FORM_2_INSTRUCTION_THUMB(NAME, BODY) \
111	COUNT_3(DEFINE_DATA_FORM_2_INSTRUCTION_EX_THUMB, NAME ## 1_, BODY)
112
113DEFINE_DATA_FORM_2_INSTRUCTION_THUMB(ADD, ARM_STUB)
114DEFINE_DATA_FORM_2_INSTRUCTION_THUMB(SUB, ARM_STUB)
115
116#define DEFINE_DATA_FORM_3_INSTRUCTION_EX_THUMB(NAME, RD, BODY) \
117	DEFINE_INSTRUCTION_THUMB(NAME, \
118		int rd = RD; \
119		BODY;)
120
121#define DEFINE_DATA_FORM_3_INSTRUCTION_THUMB(NAME, BODY) \
122	COUNT_3(DEFINE_DATA_FORM_3_INSTRUCTION_EX_THUMB, NAME ## _R, BODY)
123
124DEFINE_DATA_FORM_3_INSTRUCTION_THUMB(ADD2, ARM_STUB)
125DEFINE_DATA_FORM_3_INSTRUCTION_THUMB(CMP1, ARM_STUB)
126DEFINE_DATA_FORM_3_INSTRUCTION_THUMB(MOV1, ARM_STUB)
127DEFINE_DATA_FORM_3_INSTRUCTION_THUMB(SUB2, ARM_STUB)
128
129#define DEFINE_DATA_FORM_5_INSTRUCTION_THUMB(NAME, BODY) \
130	DEFINE_INSTRUCTION_THUMB(NAME, \
131		int rd = opcode & 0x0007; \
132		int rn = (opcode >> 3) & 0x0007; \
133		BODY;)
134
135DEFINE_DATA_FORM_5_INSTRUCTION_THUMB(AND, ARM_STUB)
136DEFINE_DATA_FORM_5_INSTRUCTION_THUMB(EOR, ARM_STUB)
137DEFINE_DATA_FORM_5_INSTRUCTION_THUMB(LSL2, ARM_STUB)
138DEFINE_DATA_FORM_5_INSTRUCTION_THUMB(LSR2, ARM_STUB)
139DEFINE_DATA_FORM_5_INSTRUCTION_THUMB(ASR2, ARM_STUB)
140DEFINE_DATA_FORM_5_INSTRUCTION_THUMB(ADC, ARM_STUB)
141DEFINE_DATA_FORM_5_INSTRUCTION_THUMB(SBC, ARM_STUB)
142DEFINE_DATA_FORM_5_INSTRUCTION_THUMB(ROR, ARM_STUB)
143DEFINE_DATA_FORM_5_INSTRUCTION_THUMB(TST, ARM_STUB)
144DEFINE_DATA_FORM_5_INSTRUCTION_THUMB(NEG, ARM_STUB)
145DEFINE_DATA_FORM_5_INSTRUCTION_THUMB(CMP2, ARM_STUB)
146DEFINE_DATA_FORM_5_INSTRUCTION_THUMB(CMN, ARM_STUB)
147DEFINE_DATA_FORM_5_INSTRUCTION_THUMB(ORR, ARM_STUB)
148DEFINE_DATA_FORM_5_INSTRUCTION_THUMB(MUL, ARM_STUB)
149DEFINE_DATA_FORM_5_INSTRUCTION_THUMB(BIC, ARM_STUB)
150DEFINE_DATA_FORM_5_INSTRUCTION_THUMB(MVN, ARM_STUB)
151
152#define DEFINE_INSTRUCTION_WITH_HIGH_EX_THUMB(NAME, H1, H2, BODY) \
153	DEFINE_INSTRUCTION_THUMB(NAME, \
154		int rd = opcode & 0x0007 | H1; \
155		int rm = (opcode >> 3) & 0x0007 | H2; \
156		BODY;)
157
158#define DEFINE_INSTRUCTION_WITH_HIGH_THUMB(NAME, BODY) \
159	DEFINE_INSTRUCTION_WITH_HIGH_EX_THUMB(NAME ## 00, 0, 0, BODY) \
160	DEFINE_INSTRUCTION_WITH_HIGH_EX_THUMB(NAME ## 01, 0, 8, BODY) \
161	DEFINE_INSTRUCTION_WITH_HIGH_EX_THUMB(NAME ## 10, 8, 0, BODY) \
162	DEFINE_INSTRUCTION_WITH_HIGH_EX_THUMB(NAME ## 11, 8, 8, BODY)
163
164DEFINE_INSTRUCTION_WITH_HIGH_THUMB(ADD4, ARM_STUB)
165DEFINE_INSTRUCTION_WITH_HIGH_THUMB(CMP3, ARM_STUB)
166DEFINE_INSTRUCTION_WITH_HIGH_THUMB(MOV3, ARM_STUB)
167
168#define DEFINE_IMMEDIATE_WITH_REGISTER_EX_THUMB(NAME, RD, BODY) \
169	DEFINE_INSTRUCTION_THUMB(NAME, \
170		int rd = RD; \
171		BODY;)
172
173#define DEFINE_IMMEDIATE_WITH_REGISTER_THUMB(NAME, BODY) \
174	COUNT_3(DEFINE_IMMEDIATE_WITH_REGISTER_EX_THUMB, NAME ## _R, BODY)
175
176DEFINE_IMMEDIATE_WITH_REGISTER_THUMB(LDR3, ARM_STUB)
177DEFINE_IMMEDIATE_WITH_REGISTER_THUMB(LDR4, ARM_STUB)
178DEFINE_IMMEDIATE_WITH_REGISTER_THUMB(STR3, ARM_STUB)
179
180DEFINE_IMMEDIATE_WITH_REGISTER_THUMB(ADD5, ARM_STUB)
181DEFINE_IMMEDIATE_WITH_REGISTER_THUMB(ADD6, ARM_STUB)
182
183#define DEFINE_LOAD_STORE_WITH_REGISTER_EX_THUMB(NAME, RM, BODY) \
184	DEFINE_INSTRUCTION_THUMB(NAME, \
185		int rm = RM; \
186		BODY;)
187
188#define DEFINE_LOAD_STORE_WITH_REGISTER_THUMB(NAME, BODY) \
189	COUNT_3(DEFINE_LOAD_STORE_WITH_REGISTER_EX_THUMB, NAME ## _R, BODY)
190
191DEFINE_LOAD_STORE_WITH_REGISTER_THUMB(LDR2, ARM_STUB)
192DEFINE_LOAD_STORE_WITH_REGISTER_THUMB(LDRB2, ARM_STUB)
193DEFINE_LOAD_STORE_WITH_REGISTER_THUMB(LDRH2, ARM_STUB)
194DEFINE_LOAD_STORE_WITH_REGISTER_THUMB(LDRSB, ARM_STUB)
195DEFINE_LOAD_STORE_WITH_REGISTER_THUMB(LDRSH, ARM_STUB)
196DEFINE_LOAD_STORE_WITH_REGISTER_THUMB(STR2, ARM_STUB)
197DEFINE_LOAD_STORE_WITH_REGISTER_THUMB(STRB2, ARM_STUB)
198DEFINE_LOAD_STORE_WITH_REGISTER_THUMB(STRH2, ARM_STUB)
199
200#define DEFINE_LOAD_STORE_MULTIPLE_EX_THUMB(NAME, RS, BODY) \
201	DEFINE_INSTRUCTION_THUMB(NAME, \
202		int rs = RS; \
203		BODY;)
204
205#define DEFINE_LOAD_STORE_MULTIPLE_THUMB(NAME, BODY) \
206	COUNT_3(DEFINE_LOAD_STORE_MULTIPLE_EX_THUMB, NAME ## _R, BODY)
207
208DEFINE_LOAD_STORE_MULTIPLE_THUMB(LDMIA, ARM_STUB)
209DEFINE_LOAD_STORE_MULTIPLE_THUMB(STMIA, ARM_STUB)
210
211#define DEFINE_CONDITIONAL_BRANCH_THUMB(COND) \
212	DEFINE_INSTRUCTION_THUMB(B ## COND, \
213		if (ARM_COND_ ## COND) { \
214			ARM_STUB; \
215		})
216
217DEFINE_CONDITIONAL_BRANCH_THUMB(EQ)
218DEFINE_CONDITIONAL_BRANCH_THUMB(NE)
219DEFINE_CONDITIONAL_BRANCH_THUMB(CS)
220DEFINE_CONDITIONAL_BRANCH_THUMB(CC)
221DEFINE_CONDITIONAL_BRANCH_THUMB(MI)
222DEFINE_CONDITIONAL_BRANCH_THUMB(PL)
223DEFINE_CONDITIONAL_BRANCH_THUMB(VS)
224DEFINE_CONDITIONAL_BRANCH_THUMB(VC)
225DEFINE_CONDITIONAL_BRANCH_THUMB(LS)
226DEFINE_CONDITIONAL_BRANCH_THUMB(HI)
227DEFINE_CONDITIONAL_BRANCH_THUMB(GE)
228DEFINE_CONDITIONAL_BRANCH_THUMB(LT)
229DEFINE_CONDITIONAL_BRANCH_THUMB(GT)
230DEFINE_CONDITIONAL_BRANCH_THUMB(LE)
231
232DEFINE_INSTRUCTION_THUMB(ADD7, ARM_STUB)
233DEFINE_INSTRUCTION_THUMB(SUB4, ARM_STUB)
234
235DEFINE_INSTRUCTION_THUMB(POP, ARM_STUB)
236DEFINE_INSTRUCTION_THUMB(POPR, ARM_STUB)
237DEFINE_INSTRUCTION_THUMB(PUSH, ARM_STUB)
238DEFINE_INSTRUCTION_THUMB(PUSHR, ARM_STUB)
239
240DEFINE_INSTRUCTION_THUMB(ILL, ARM_STUB)
241DEFINE_INSTRUCTION_THUMB(BKPT, ARM_STUB)
242DEFINE_INSTRUCTION_THUMB(B, ARM_STUB)
243DEFINE_INSTRUCTION_THUMB(BL1, ARM_STUB)
244DEFINE_INSTRUCTION_THUMB(BL2, ARM_STUB)
245DEFINE_INSTRUCTION_THUMB(BX, ARM_STUB)
246DEFINE_INSTRUCTION_THUMB(SWI, ARM_STUB)
247
248#define DECLARE_INSTRUCTION_THUMB(EMITTER, NAME) \
249	EMITTER ## NAME
250
251#define DECLARE_INSTRUCTION_WITH_HIGH_THUMB(EMITTER, NAME) \
252	DECLARE_INSTRUCTION_THUMB(EMITTER, NAME ## 00), \
253	DECLARE_INSTRUCTION_THUMB(EMITTER, NAME ## 01), \
254	DECLARE_INSTRUCTION_THUMB(EMITTER, NAME ## 10), \
255	DECLARE_INSTRUCTION_THUMB(EMITTER, NAME ## 11)
256
257#define DUMMY(X, ...) X,
258#define DUMMY_4(...) \
259	DUMMY(__VA_ARGS__) \
260	DUMMY(__VA_ARGS__) \
261	DUMMY(__VA_ARGS__) \
262	DUMMY(__VA_ARGS__)
263
264#define DECLARE_THUMB_EMITTER_BLOCK(EMITTER) \
265	APPLY(COUNT_5, DUMMY, DECLARE_INSTRUCTION_THUMB(EMITTER, LSL1_)) \
266	APPLY(COUNT_5, DUMMY, DECLARE_INSTRUCTION_THUMB(EMITTER, LSR1_)) \
267	APPLY(COUNT_5, DUMMY, DECLARE_INSTRUCTION_THUMB(EMITTER, ASR1_)) \
268	APPLY(COUNT_3, DUMMY, DECLARE_INSTRUCTION_THUMB(EMITTER, ADD3_R)) \
269	APPLY(COUNT_3, DUMMY, DECLARE_INSTRUCTION_THUMB(EMITTER, SUB3_R)) \
270	APPLY(COUNT_3, DUMMY, DECLARE_INSTRUCTION_THUMB(EMITTER, ADD1_)) \
271	APPLY(COUNT_3, DUMMY, DECLARE_INSTRUCTION_THUMB(EMITTER, SUB1_)) \
272	APPLY(COUNT_3, DUMMY_4, DECLARE_INSTRUCTION_THUMB(EMITTER, MOV1_R)) \
273	APPLY(COUNT_3, DUMMY_4, DECLARE_INSTRUCTION_THUMB(EMITTER, CMP1_R)) \
274	APPLY(COUNT_3, DUMMY_4, DECLARE_INSTRUCTION_THUMB(EMITTER, ADD2_R)) \
275	APPLY(COUNT_3, DUMMY_4, DECLARE_INSTRUCTION_THUMB(EMITTER, SUB2_R)) \
276	DECLARE_INSTRUCTION_THUMB(EMITTER, AND), \
277	DECLARE_INSTRUCTION_THUMB(EMITTER, EOR), \
278	DECLARE_INSTRUCTION_THUMB(EMITTER, LSL2), \
279	DECLARE_INSTRUCTION_THUMB(EMITTER, LSR2), \
280	DECLARE_INSTRUCTION_THUMB(EMITTER, ASR2), \
281	DECLARE_INSTRUCTION_THUMB(EMITTER, ADC), \
282	DECLARE_INSTRUCTION_THUMB(EMITTER, SBC), \
283	DECLARE_INSTRUCTION_THUMB(EMITTER, ROR), \
284	DECLARE_INSTRUCTION_THUMB(EMITTER, TST), \
285	DECLARE_INSTRUCTION_THUMB(EMITTER, NEG), \
286	DECLARE_INSTRUCTION_THUMB(EMITTER, CMP2), \
287	DECLARE_INSTRUCTION_THUMB(EMITTER, CMN), \
288	DECLARE_INSTRUCTION_THUMB(EMITTER, ORR), \
289	DECLARE_INSTRUCTION_THUMB(EMITTER, MUL), \
290	DECLARE_INSTRUCTION_THUMB(EMITTER, BIC), \
291	DECLARE_INSTRUCTION_THUMB(EMITTER, MVN), \
292	DECLARE_INSTRUCTION_WITH_HIGH_THUMB(EMITTER, ADD4), \
293	DECLARE_INSTRUCTION_WITH_HIGH_THUMB(EMITTER, CMP3), \
294	DECLARE_INSTRUCTION_WITH_HIGH_THUMB(EMITTER, MOV3), \
295	DECLARE_INSTRUCTION_THUMB(EMITTER, BX), \
296	DECLARE_INSTRUCTION_THUMB(EMITTER, BX), \
297	DECLARE_INSTRUCTION_THUMB(EMITTER, ILL), \
298	DECLARE_INSTRUCTION_THUMB(EMITTER, ILL), \
299	APPLY(COUNT_3, DUMMY_4, DECLARE_INSTRUCTION_THUMB(EMITTER, LDR3_R)) \
300	APPLY(COUNT_3, DUMMY, DECLARE_INSTRUCTION_THUMB(EMITTER, STR2_R)) \
301	APPLY(COUNT_3, DUMMY, DECLARE_INSTRUCTION_THUMB(EMITTER, STRH2_R)) \
302	APPLY(COUNT_3, DUMMY, DECLARE_INSTRUCTION_THUMB(EMITTER, STRB2_R)) \
303	APPLY(COUNT_3, DUMMY, DECLARE_INSTRUCTION_THUMB(EMITTER, LDRSB_R)) \
304	APPLY(COUNT_3, DUMMY, DECLARE_INSTRUCTION_THUMB(EMITTER, LDR2_R)) \
305	APPLY(COUNT_3, DUMMY, DECLARE_INSTRUCTION_THUMB(EMITTER, LDRH2_R)) \
306	APPLY(COUNT_3, DUMMY, DECLARE_INSTRUCTION_THUMB(EMITTER, LDRB2_R)) \
307	APPLY(COUNT_3, DUMMY, DECLARE_INSTRUCTION_THUMB(EMITTER, LDRSH_R)) \
308	APPLY(COUNT_5, DUMMY, DECLARE_INSTRUCTION_THUMB(EMITTER, STR1_)) \
309	APPLY(COUNT_5, DUMMY, DECLARE_INSTRUCTION_THUMB(EMITTER, LDR1_)) \
310	APPLY(COUNT_5, DUMMY, DECLARE_INSTRUCTION_THUMB(EMITTER, STRB1_)) \
311	APPLY(COUNT_5, DUMMY, DECLARE_INSTRUCTION_THUMB(EMITTER, LDRB1_)) \
312	APPLY(COUNT_5, DUMMY, DECLARE_INSTRUCTION_THUMB(EMITTER, STRH1_)) \
313	APPLY(COUNT_5, DUMMY, DECLARE_INSTRUCTION_THUMB(EMITTER, LDRH1_)) \
314	APPLY(COUNT_3, DUMMY_4, DECLARE_INSTRUCTION_THUMB(EMITTER, STR3_R)) \
315	APPLY(COUNT_3, DUMMY_4, DECLARE_INSTRUCTION_THUMB(EMITTER, LDR4_R)) \
316	APPLY(COUNT_3, DUMMY_4, DECLARE_INSTRUCTION_THUMB(EMITTER, ADD5_R)) \
317	APPLY(COUNT_3, DUMMY_4, DECLARE_INSTRUCTION_THUMB(EMITTER, ADD6_R)) \
318	DECLARE_INSTRUCTION_THUMB(EMITTER, ADD7), \
319	DECLARE_INSTRUCTION_THUMB(EMITTER, ADD7), \
320	DECLARE_INSTRUCTION_THUMB(EMITTER, SUB4), \
321	DECLARE_INSTRUCTION_THUMB(EMITTER, SUB4), \
322	DO_4(DECLARE_INSTRUCTION_THUMB(EMITTER, ILL)), \
323	DO_4(DECLARE_INSTRUCTION_THUMB(EMITTER, ILL)), \
324	DO_4(DECLARE_INSTRUCTION_THUMB(EMITTER, ILL)), \
325	DO_4(DECLARE_INSTRUCTION_THUMB(EMITTER, PUSH)), \
326	DO_4(DECLARE_INSTRUCTION_THUMB(EMITTER, PUSHR)), \
327	DO_8(DECLARE_INSTRUCTION_THUMB(EMITTER, ILL)), \
328	DO_8(DECLARE_INSTRUCTION_THUMB(EMITTER, ILL)), \
329	DO_8(DECLARE_INSTRUCTION_THUMB(EMITTER, ILL)), \
330	DO_4(DECLARE_INSTRUCTION_THUMB(EMITTER, POP)), \
331	DO_4(DECLARE_INSTRUCTION_THUMB(EMITTER, POPR)), \
332	DO_4(DECLARE_INSTRUCTION_THUMB(EMITTER, BKPT)), \
333	DO_4(DECLARE_INSTRUCTION_THUMB(EMITTER, ILL)), \
334	APPLY(COUNT_3, DUMMY_4, DECLARE_INSTRUCTION_THUMB(EMITTER, STMIA_R)) \
335	APPLY(COUNT_3, DUMMY_4, DECLARE_INSTRUCTION_THUMB(EMITTER, LDMIA_R)) \
336	DO_4(DECLARE_INSTRUCTION_THUMB(EMITTER, BEQ)), \
337	DO_4(DECLARE_INSTRUCTION_THUMB(EMITTER, BNE)), \
338	DO_4(DECLARE_INSTRUCTION_THUMB(EMITTER, BCS)), \
339	DO_4(DECLARE_INSTRUCTION_THUMB(EMITTER, BCC)), \
340	DO_4(DECLARE_INSTRUCTION_THUMB(EMITTER, BMI)), \
341	DO_4(DECLARE_INSTRUCTION_THUMB(EMITTER, BPL)), \
342	DO_4(DECLARE_INSTRUCTION_THUMB(EMITTER, BVS)), \
343	DO_4(DECLARE_INSTRUCTION_THUMB(EMITTER, BVC)), \
344	DO_4(DECLARE_INSTRUCTION_THUMB(EMITTER, BHI)), \
345	DO_4(DECLARE_INSTRUCTION_THUMB(EMITTER, BLS)), \
346	DO_4(DECLARE_INSTRUCTION_THUMB(EMITTER, BGE)), \
347	DO_4(DECLARE_INSTRUCTION_THUMB(EMITTER, BLT)), \
348	DO_4(DECLARE_INSTRUCTION_THUMB(EMITTER, BGT)), \
349	DO_4(DECLARE_INSTRUCTION_THUMB(EMITTER, BLE)), \
350	DO_4(DECLARE_INSTRUCTION_THUMB(EMITTER, ILL)), \
351	DO_4(DECLARE_INSTRUCTION_THUMB(EMITTER, SWI)), \
352	DO_8(DO_4(DECLARE_INSTRUCTION_THUMB(EMITTER, B))), \
353	DO_8(DO_4(DECLARE_INSTRUCTION_THUMB(EMITTER, ILL))), \
354	DO_8(DO_4(DECLARE_INSTRUCTION_THUMB(EMITTER, BL1))), \
355	DO_8(DO_4(DECLARE_INSTRUCTION_THUMB(EMITTER, BL2))) \
356
357static const ThumbInstruction _thumbTable[0x400] = {
358	DECLARE_THUMB_EMITTER_BLOCK(_ThumbInstruction)
359};