Mercurial > repos > blastem
annotate test_arm.c @ 1863:d60f2d7c02a5
Differentiate between the full Sega mapper and the SRAM only one. Fixes crash on save state load for Phantasy Star IV and other games that use the same mapper
author | Michael Pavone <pavone@retrodev.com> |
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date | Tue, 14 May 2019 23:20:35 -0700 |
parents | 474270dbff15 |
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1af6c1052993
Added untested code for generating ARM machine code
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1 #include <stdio.h> |
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2 #include "gen_arm.h" |
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3 |
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4 typedef int32_t (*fib_fun)(int32_t); |
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5 |
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6 int main(int arc, char **argv) |
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7 { |
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8 code_info code; |
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9 init_code_info(&code); |
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10 uint32_t *fib = code.cur; |
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11 subi(&code, r0, r0, 2, SET_COND); |
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12 movi_cc(&code, r0, 1, NO_COND, CC_LT); |
1af6c1052993
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13 bx_cc(&code, lr, CC_LT); |
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14 pushm(&code, LR | R4); |
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15 mov(&code, r4, r0, NO_COND); |
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16 bl(&code, fib); |
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17 mov(&code, r1, r0, NO_COND); |
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18 addi(&code, r0, r4, 1, NO_COND); |
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19 mov(&code, r4, r1, NO_COND); |
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20 bl(&code, fib); |
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21 add(&code, r0, r4, r0, NO_COND); |
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22 popm(&code, LR | R4); |
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474270dbff15
Fix ARM code generation and test program
Michael Pavone <pavone@retrodev.com>
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23 bx(&code, lr); |
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24 |
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25 fib_fun fibc = (fib_fun)fib; |
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26 printf("fib(10): %d\n", fibc(10)); |
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27 |
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28 return 0; |
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29 } |