ugBASIC 1.18
An isomorphic BASIC language compiler for retrocomputers
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colormap_at.c
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1/*****************************************************************************
2 * ugBASIC - an isomorphic BASIC language compiler for retrocomputers *
3 *****************************************************************************
4 * Copyright 2021-2026 Marco Spedaletti (asimov@mclink.it)
5 *
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
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10 * http://www.apache.org/licenses/LICENSE-2.0
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13 * distributed under the License is distributed on an "AS IS" BASIS,
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22 * http://www.apache.org/licenses/LICENSE-2.0
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31/****************************************************************************
32 * INCLUDE SECTION
33 ****************************************************************************/
34
35#include "../../ugbc.h"
36
37/****************************************************************************
38 * CODE SECTION
39 ****************************************************************************/
40
57/* <usermanual>
58@keyword COLORMAP AT
59
60@target c16
61</usermanual> */
62void colormap_at( Environment * _environment, int _address ) {
63
64 // Let's define the special variable and fill up with the value.
65 Variable * colormapAddress = variable_retrieve_or_define( _environment, "COLORMAPADDRESS", VT_ADDRESS, _address );
66
67 variable_store( _environment, colormapAddress->name, ( ( ( _address >> 10 ) & 0x0f ) * 0x8400 ) );
68
69 char addressString[MAX_TEMPORARY_STORAGE]; sprintf(addressString, "%2.2x", ( _address >> 10 ) & 0x0f );
70
71 ted_colormap_at( _environment, addressString );
72
73}
74
90/* <usermanual>
91@keyword COLORMAP AT
92
93@target c16
94</usermanual> */
95void colormap_at_var( Environment * _environment, char * _address ) {
96
97 // Let's define the special variable and fill up with the value.
98 Variable * colormapAddress = variable_retrieve_or_define( _environment, "COLORMAPADDRESS", VT_ADDRESS, 0x8400 );
99 Variable * address = variable_retrieve( _environment, _address );
100
101 // variable_store( _environment, colormapAddress->name, ( ( ( _address >> 10 ) & 0x0f ) * 0x8400 ) );
102
103 char addressString[MAX_TEMPORARY_STORAGE]; sprintf(addressString, "%s", address_displacement(_environment, address->realName, "1") );
104
105 ted_colormap_at( _environment, addressString );
106
107}
Variable * variable_retrieve(Environment *_environment, char *_name)
Variable * variable_retrieve_or_define(Environment *_environment, char *_name, VariableType _type, int _value)
Variable * variable_store(Environment *_environment, char *_destination, unsigned int _value)
Store a direct value to a variable.
char * address_displacement(Environment *_environment, char *_address, char *_displacement)
void colormap_at_var(Environment *_environment, char *_address)
Emit ASM implementation for COLORMAP AT [expression] instruction.
Definition colormap_at.c:82
void colormap_at(Environment *_environment, int _address)
Emit ASM implementation for COLORMAP AT [int] instruction.
Definition colormap_at.c:60
char * name
Definition ugbc.h:979
char * realName
Definition ugbc.h:982
void ted_colormap_at(Environment *_environment, char *_address)
Definition ted.c:986
#define MAX_TEMPORARY_STORAGE
Definition ugbc.h:563
struct _Variable Variable
Structure of a single variable.
struct _Environment Environment
Structure of compilation environment.
@ VT_ADDRESS
Definition ugbc.h:465