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102 Commits

Author SHA1 Message Date
Rekai Nyangadzayi Musuka b4e0682801 fix(cpu): allow for select values to overflow 
FuzzARM found these operations which panicked, when they should
have overflowed. These are now fixed

n = 8000
 2022-10-21 05:12:12 -03:00
Rekai Nyangadzayi Musuka af10c1b076 feat(cpu): implement format 13 
While bugs do exist, at this point all THUMB and ARMv4 instructions
have been implemented! Yay!
 2022-10-21 05:12:12 -03:00
Rekai Nyangadzayi Musuka e6a0eab667 feat(cpu): implement THUMB format 17 2022-10-21 05:12:12 -03:00
Rekai Nyangadzayi Musuka 523b9d2736 feat(cpu): implement THUMB format11 2022-10-21 05:12:12 -03:00
Rekai Nyangadzayi Musuka c37546d273 chore: progress towards passing ldr/str thumb in armwrestler 2022-10-21 05:12:11 -03:00
Rekai Nyangadzayi Musuka fbedebb938 fix(cpu): properly negate in NEG 2022-10-21 05:12:11 -03:00
Rekai Nyangadzayi Musuka 1773a3acc8 fix(cpu): reimplement THUMB offset shifts 2022-10-21 05:12:11 -03:00
Rekai Nyangadzayi Musuka 058c02150c fix(cpu): op == 0b00 decodes to add in format 5 2022-10-21 05:12:11 -03:00
Rekai Nyangadzayi Musuka 8d841ead50 fix(cpu): account for overflow in THUMB alu MUL 2022-10-21 05:12:10 -03:00
Rekai Nyangadzayi Musuka 7dbd2fc556 fix(cpu): account for rn in rlist in block data transfer 2022-10-21 05:12:10 -03:00
Rekai Nyangadzayi Musuka 85e0924669 feat: implement LDM/STM behaviour when S is set 2022-10-21 05:12:10 -03:00
Rekai Nyangadzayi Musuka 97919f646d feat(cpu): Pass all LDR/STR ARMwrestler tests 2022-10-21 05:12:10 -03:00
Rekai Nyangadzayi Musuka 151de2eab4 feat(cpu): implement ARM SWP and SWPB 2022-10-21 05:12:10 -03:00
Rekai Nyangadzayi Musuka da681c946e feat(cpu): Implement Multiply Long ARM instructions 2022-10-21 05:12:09 -03:00
Rekai Nyangadzayi Musuka 7013389288 feat(cpu): implement format 18 THUMB instructions 2022-10-21 05:12:09 -03:00
Rekai Nyangadzayi Musuka 443520ecae chore: more detailed panic message 2022-10-21 05:12:09 -03:00
Rekai Nyangadzayi Musuka 96d7285111 feat(cpu): implement format 10 THUMB instructions 2022-10-21 05:12:08 -03:00
Rekai Nyangadzayi Musuka 7e6fc44191 feat(cpu): implement SWP 2022-10-21 05:12:08 -03:00
Rekai Nyangadzayi Musuka 9cb4ebaa7f fix(cpu): perform MUL with u64s, throw away upper 32 bits 2022-10-21 05:12:08 -03:00
Rekai Nyangadzayi Musuka e1fec48a0e fix(cpu): properly decode multiply instructions 2022-10-21 05:12:07 -03:00
Rekai Nyangadzayi Musuka 0778ee8dd7 feat(cpu): implement ARM multiply instructions 2022-10-21 05:12:07 -03:00
Rekai Nyangadzayi Musuka 980e4ff5dd fix(cpu): properly decode THUMB PUSH and POP at comptime 2022-10-21 05:12:06 -03:00
Rekai Nyangadzayi Musuka 1ac193c506 fix(cpu): don't ignore 11th bit of THUMB BL offset 2022-10-21 05:12:06 -03:00
Rekai Nyangadzayi Musuka d6ed071bc6 feat(cpu): implement thumb push / pop and stub format 13 thumb instrs 2022-10-21 05:12:06 -03:00
Rekai Nyangadzayi Musuka a3d53d40fb feat(cpu): implement THUMB format 9 loads / stores 2022-10-21 05:12:06 -03:00
Rekai Nyangadzayi Musuka a17dfbe41f fix(cpu): resolve issues with unexpected PC value in THUMB 2022-10-21 05:12:06 -03:00
Rekai Nyangadzayi Musuka b9a81baa47 feat(cpu): implement THUMB ldmia stmia 2022-10-21 05:12:06 -03:00
Rekai Nyangadzayi Musuka 97b236225e chore: implement THUMB format 4 instructions 2022-10-21 05:12:05 -03:00
Rekai Nyangadzayi Musuka 8113146b86 chore: dedup code in THUMB instructions 2022-10-21 05:12:05 -03:00
Rekai Nyangadzayi Musuka e6625113db chore: refactor and genericize ARM data processing calculations 2022-10-21 05:12:05 -03:00
Rekai Nyangadzayi Musuka 2643504eb5 chore: relocate barrel_shifter zig file 2022-10-21 05:12:05 -03:00
Rekai Nyangadzayi Musuka f7518d1bab feat(cpu): implement format2 THUMB instructions 2022-10-21 05:12:05 -03:00
Rekai Nyangadzayi Musuka 800ca798cd feat(cpu): implement format19 THUMB instructions 2022-10-21 05:12:05 -03:00
Rekai Nyangadzayi Musuka 7bc186a03c feat(cpu): implement format16 THUMB instructions 2022-10-21 05:12:04 -03:00
Rekai Nyangadzayi Musuka b94b87d186 feat(cpu): implement format 1 THUMB instructions 2022-10-21 05:12:04 -03:00
Rekai Nyangadzayi Musuka 93922b65e3 feat(cpu): implement format 6 THUMB instructions 2022-10-21 05:12:04 -03:00
Rekai Nyangadzayi Musuka c4e131b92d chore: binary logging + file logging + DP chanes + fastBoot changes 2022-10-21 05:12:02 -03:00
Rekai Nyangadzayi Musuka 4bdb85834c feat(cpu): implement SWI 2022-10-21 05:12:02 -03:00
Rekai Nyangadzayi Musuka 8bb7ea6be6 fix(cpu): interim solution to weird program counter behaviour on illegal tst instruction 2022-10-21 05:12:01 -03:00
Rekai Nyangadzayi Musuka 60a1f7fa99 chore(cpu): implement behaviour for undefined test instruction 2022-10-21 05:12:01 -03:00
Rekai Nyangadzayi Musuka b3b8182f85 fix(cpu): fix PC offset when barrel shifter and bit 4 of DP is set 2022-10-21 05:12:01 -03:00
Rekai Nyangadzayi Musuka 56e660714c fix(cpu): implement S set + rd == 15 case for data processing 2022-10-21 05:12:01 -03:00
Rekai Nyangadzayi Musuka eb632056a2 feat(cpu): implement banked registers 2022-10-21 05:12:01 -03:00
Rekai Nyangadzayi Musuka fbc9de0335 fix(cpu): improve MRS and MSR instructions 2022-10-21 05:12:01 -03:00
Rekai Nyangadzayi Musuka 5c7539cd26 feat(cpu): implement CMN 2022-10-21 05:12:00 -03:00
Rekai Nyangadzayi Musuka 7c20e5fdb5 fix(barrel_shifter): fix PC being 1 word ahead in barrel shifter 2022-10-21 05:12:00 -03:00
Rekai Nyangadzayi Musuka f79e7126ee feat(cpu): Implement RSC 2022-10-21 05:12:00 -03:00
Rekai Nyangadzayi Musuka 15e92bc6af feat(cpu): implement RSB 2022-10-21 05:12:00 -03:00
Rekai Nyangadzayi Musuka 47fc96fe00 feat(cpu): implement BIC 2022-10-21 05:12:00 -03:00
Rekai Nyangadzayi Musuka 4ac5ad42c6 feat(cpu): implement EOR 2022-10-21 05:12:00 -03:00