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annotate test_arm.c @ 915:9e882eca717e

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Initial support for relative mouse mode and skeleton of support for capture mode. Avoid mouse position overflow in absolute mode. Allow absolute mode to be set by ROM DB.
author Michael Pavone <pavone@retrodev.com>
date Tue, 15 Dec 2015 20:01:50 -0800
parents 474270dbff15
children
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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);
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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
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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 }